./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strcmp_short.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strcmp_short.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD --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 99c48d027bbf4c189e98eeb04db5c99037ce5d4e1b0f1449bded9b4767cbc068 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:14:41,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:14:41,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:14:41,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:14:41,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:14:41,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:14:41,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:14:41,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:14:41,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:14:41,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:14:41,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:14:41,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:14:41,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:14:41,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:14:41,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:14:41,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:14:41,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:14:41,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:14:41,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:14:41,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:14:41,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:14:41,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:14:41,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:14:41,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:14:41,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:14:41,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:14:41,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:14:41,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:14:41,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:14:41,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:14:41,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:14:41,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:14:41,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:14:41,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:14:41,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:14:41,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:14:41,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:14:41,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:14:41,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:14:41,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:14:41,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:14:41,366 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 23:14:41,420 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:14:41,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:14:41,421 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:14:41,422 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:14:41,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:14:41,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:14:41,425 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:14:41,425 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:14:41,426 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:14:41,426 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:14:41,428 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:14:41,428 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:14:41,428 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:14:41,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:14:41,429 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:14:41,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:14:41,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:14:41,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:14:41,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:14:41,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:14:41,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:14:41,431 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:14:41,431 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:14:41,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:14:41,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:14:41,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:14:41,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:14:41,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:14:41,433 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:14:41,435 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:14:41,435 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_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99c48d027bbf4c189e98eeb04db5c99037ce5d4e1b0f1449bded9b4767cbc068 [2021-10-28 23:14:41,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:14:41,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:14:41,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:14:41,827 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:14:41,828 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:14:41,829 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-dietlibc/strcmp_short.i [2021-10-28 23:14:41,937 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/data/f4bbbfce0/6d3c09b7c1f54cd3a5b77e3eedeab3ec/FLAG2226d39ad [2021-10-28 23:14:42,698 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:14:42,698 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/sv-benchmarks/c/termination-dietlibc/strcmp_short.i [2021-10-28 23:14:42,727 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/data/f4bbbfce0/6d3c09b7c1f54cd3a5b77e3eedeab3ec/FLAG2226d39ad [2021-10-28 23:14:42,965 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/data/f4bbbfce0/6d3c09b7c1f54cd3a5b77e3eedeab3ec [2021-10-28 23:14:42,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:14:42,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:14:42,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:14:42,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:14:42,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:14:42,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:14:42" (1/1) ... [2021-10-28 23:14:42,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3544d273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:42, skipping insertion in model container [2021-10-28 23:14:42,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:14:42" (1/1) ... [2021-10-28 23:14:42,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:14:43,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:14:43,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:14:43,491 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:14:43,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:14:43,570 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:14:43,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:43 WrapperNode [2021-10-28 23:14:43,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:14:43,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:14:43,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:14:43,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:14:43,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:43" (1/1) ... [2021-10-28 23:14:43,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:43" (1/1) ... [2021-10-28 23:14:43,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:14:43,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:14:43,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:14:43,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:14:43,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:43" (1/1) ... [2021-10-28 23:14:43,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:43" (1/1) ... [2021-10-28 23:14:43,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:43" (1/1) ... [2021-10-28 23:14:43,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:43" (1/1) ... [2021-10-28 23:14:43,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:43" (1/1) ... [2021-10-28 23:14:43,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:43" (1/1) ... [2021-10-28 23:14:43,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:43" (1/1) ... [2021-10-28 23:14:43,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:14:43,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:14:43,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:14:43,704 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:14:43,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:43" (1/1) ... [2021-10-28 23:14:43,717 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:43,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:43,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:43,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:14:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:14:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:14:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:14:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:14:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:14:43,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:14:44,284 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:14:44,285 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 23:14:44,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:14:44 BoogieIcfgContainer [2021-10-28 23:14:44,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:14:44,289 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:14:44,289 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:14:44,302 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:14:44,303 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:14:44,303 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:14:42" (1/3) ... [2021-10-28 23:14:44,312 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4db1a977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:14:44, skipping insertion in model container [2021-10-28 23:14:44,312 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:14:44,312 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:14:43" (2/3) ... [2021-10-28 23:14:44,313 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4db1a977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:14:44, skipping insertion in model container [2021-10-28 23:14:44,313 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:14:44,313 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:14:44" (3/3) ... [2021-10-28 23:14:44,315 INFO L389 chiAutomizerObserver]: Analyzing ICFG strcmp_short.i [2021-10-28 23:14:44,400 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:14:44,401 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:14:44,401 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:14:44,401 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:14:44,401 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:14:44,401 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:14:44,401 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:14:44,402 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:14:44,421 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) [2021-10-28 23:14:44,444 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:14:44,444 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:14:44,444 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:14:44,452 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 23:14:44,452 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:14:44,452 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:14:44,452 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) [2021-10-28 23:14:44,454 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 23:14:44,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:14:44,455 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:14:44,455 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 23:14:44,455 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:14:44,465 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#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; 7#L513true 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; 13#L517true 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;call write~int(0, main_~out~0.base, main_~out~0.offset + (main_~out_len~0 - 1), 1);strcmp_#in~s1.base, strcmp_#in~s1.offset, strcmp_#in~s2.base, strcmp_#in~s2.offset := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset;havoc strcmp_#res;havoc strcmp_#t~post6.base, strcmp_#t~post6.offset, strcmp_#t~post7.base, strcmp_#t~post7.offset, strcmp_#t~mem4, strcmp_#t~mem2, strcmp_#t~mem3, strcmp_#t~short5, strcmp_#t~mem8, strcmp_#t~mem9, strcmp_~s1.base, strcmp_~s1.offset, strcmp_~s2.base, strcmp_~s2.offset;strcmp_~s1.base, strcmp_~s1.offset := strcmp_#in~s1.base, strcmp_#in~s1.offset;strcmp_~s2.base, strcmp_~s2.offset := strcmp_#in~s2.base, strcmp_#in~s2.offset; 5#L507-5true [2021-10-28 23:14:44,465 INFO L793 eck$LassoCheckResult]: Loop: 5#L507-5true call strcmp_#t~mem4 := read~int(strcmp_~s1.base, strcmp_~s1.offset, 1);strcmp_#t~short5 := 0 != strcmp_#t~mem4; 8#L507-1true assume strcmp_#t~short5;call strcmp_#t~mem2 := read~int(strcmp_~s1.base, strcmp_~s1.offset, 1);call strcmp_#t~mem3 := read~int(strcmp_~s2.base, strcmp_~s2.offset, 1);strcmp_#t~short5 := strcmp_#t~mem2 == strcmp_#t~mem3; 12#L507-3true assume !!strcmp_#t~short5;havoc strcmp_#t~mem4;havoc strcmp_#t~mem2;havoc strcmp_#t~mem3;havoc strcmp_#t~short5;strcmp_#t~post6.base, strcmp_#t~post6.offset := strcmp_~s1.base, strcmp_~s1.offset;strcmp_~s1.base, strcmp_~s1.offset := strcmp_#t~post6.base, 1 + strcmp_#t~post6.offset;havoc strcmp_#t~post6.base, strcmp_#t~post6.offset;strcmp_#t~post7.base, strcmp_#t~post7.offset := strcmp_~s2.base, strcmp_~s2.offset;strcmp_~s2.base, strcmp_~s2.offset := strcmp_#t~post7.base, 1 + strcmp_#t~post7.offset;havoc strcmp_#t~post7.base, strcmp_#t~post7.offset; 5#L507-5true [2021-10-28 23:14:44,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:44,473 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-10-28 23:14:44,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:44,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048271642] [2021-10-28 23:14:44,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:44,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:44,675 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:14:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:44,757 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:14:44,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:44,771 INFO L85 PathProgramCache]: Analyzing trace with hash 46776, now seen corresponding path program 1 times [2021-10-28 23:14:44,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:44,778 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52977266] [2021-10-28 23:14:44,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:44,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:44,800 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:14:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:44,826 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:14:44,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:44,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907761, now seen corresponding path program 1 times [2021-10-28 23:14:44,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:44,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14837932] [2021-10-28 23:14:44,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:44,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:44,880 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:14:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:44,928 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:14:46,164 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:14:46,165 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:14:46,165 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:14:46,166 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:14:46,166 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:14:46,166 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:46,166 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:14:46,167 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:14:46,167 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcmp_short.i_Iteration1_Lasso [2021-10-28 23:14:46,167 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:14:46,167 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:14:46,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:46,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:46,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:46,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:46,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:46,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:46,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:46,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:46,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:46,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:46,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:46,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:46,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:46,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:46,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:46,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:46,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:46,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:47,528 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:14:47,532 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:14:47,534 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:47,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:47,536 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:47,543 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 [2021-10-28 23:14:47,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:14:47,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:47,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:47,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:47,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:47,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:47,559 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:47,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:47,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:47,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:47,604 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:47,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:47,607 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:47,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:14:47,609 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 [2021-10-28 23:14:47,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:47,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:47,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:47,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:47,623 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:47,624 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:47,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:47,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:47,684 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:47,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:47,686 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:47,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:14:47,692 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 [2021-10-28 23:14:47,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:47,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:47,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:47,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:47,706 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:47,706 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:47,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:47,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:47,781 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:47,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:47,782 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:47,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:14:47,785 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 [2021-10-28 23:14:47,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:47,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:47,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:47,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:47,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:47,796 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:47,796 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:47,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:47,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:47,837 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:47,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:47,839 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:47,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:14:47,845 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 [2021-10-28 23:14:47,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:47,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:47,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:47,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:47,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:47,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:47,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:47,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:47,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:47,890 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:47,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:47,892 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:47,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:14:47,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:14:47,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:47,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:47,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:47,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:47,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:47,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:47,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:47,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:47,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:47,938 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:47,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:47,939 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:47,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:14:47,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:14:47,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:47,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:47,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:47,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:47,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:47,953 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:47,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:47,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:47,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-28 23:14:47,985 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:47,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:47,986 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:47,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:14:47,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:14:47,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:47,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:47,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:47,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:47,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:47,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:47,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:48,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:48,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-28 23:14:48,029 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:48,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:48,030 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:48,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 23:14:48,045 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 [2021-10-28 23:14:48,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:48,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:48,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:48,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:48,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:48,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:48,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:48,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:48,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-10-28 23:14:48,086 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:48,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:48,087 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:48,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 23:14:48,091 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 [2021-10-28 23:14:48,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:48,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:48,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:48,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:48,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:48,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:48,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:48,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:48,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:48,131 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:48,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:48,133 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:48,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 23:14:48,135 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 [2021-10-28 23:14:48,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:48,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:48,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:48,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:48,151 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:48,151 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:48,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:48,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:48,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:48,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:48,189 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:48,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 23:14:48,196 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 [2021-10-28 23:14:48,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:48,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:48,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:48,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:48,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:48,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:48,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:48,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:48,250 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:48,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:48,252 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:48,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 23:14:48,257 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 [2021-10-28 23:14:48,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:48,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:48,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:48,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:48,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:48,273 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:48,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:48,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-10-28 23:14:48,308 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:48,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:48,314 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:48,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 23:14:48,331 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 [2021-10-28 23:14:48,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:48,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:48,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:48,343 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 23:14:48,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:48,347 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:14:48,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:48,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:48,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:48,410 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:48,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:48,412 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:48,418 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 [2021-10-28 23:14:48,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:48,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:48,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:48,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:48,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 23:14:48,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:48,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:48,484 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:14:48,560 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-28 23:14:48,560 INFO L444 ModelExtractionUtils]: 8 out of 37 variables were initially zero. Simplification set additionally 24 variables to zero. [2021-10-28 23:14:48,562 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:48,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:48,564 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:48,588 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:14:48,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 23:14:48,624 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 23:14:48,625 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:14:48,625 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~in_len~0, ULTIMATE.start_strcmp_~s1.offset) = 1*ULTIMATE.start_main_~in_len~0 - 1*ULTIMATE.start_strcmp_~s1.offset Supporting invariants [1*ULTIMATE.start_main_~in_len~0 - 1*v_rep(select #length ULTIMATE.start_strcmp_~s1.base)_1 >= 0] [2021-10-28 23:14:48,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:48,764 INFO L297 tatePredicateManager]: 16 out of 17 supporting invariants were superfluous and have been removed [2021-10-28 23:14:48,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:14:48,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 23:14:48,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:14:48,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-28 23:14:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:14:48,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 23:14:48,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:14:49,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:14:49,076 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 [2021-10-28 23:14:49,077 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2021-10-28 23:14:49,182 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 33 transitions. Complement of second has 6 states. [2021-10-28 23:14:49,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 23:14:49,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2021-10-28 23:14:49,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2021-10-28 23:14:49,188 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 4 letters. Loop has 3 letters. [2021-10-28 23:14:49,189 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:14:49,189 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 7 letters. Loop has 3 letters. [2021-10-28 23:14:49,190 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:14:49,190 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 4 letters. Loop has 6 letters. [2021-10-28 23:14:49,191 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:14:49,192 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 33 transitions. [2021-10-28 23:14:49,198 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:14:49,202 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2021-10-28 23:14:49,203 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:14:49,203 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:14:49,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:14:49,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:14:49,204 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:14:49,205 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:14:49,205 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:14:49,205 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:14:49,205 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:14:49,205 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:14:49,205 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:14:49,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:14:49 BoogieIcfgContainer [2021-10-28 23:14:49,213 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:14:49,214 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:14:49,214 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:14:49,215 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:14:49,215 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:14:44" (3/4) ... [2021-10-28 23:14:49,219 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:14:49,220 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:14:49,222 INFO L168 Benchmark]: Toolchain (without parser) took 6250.37 ms. Allocated memory was 102.8 MB in the beginning and 140.5 MB in the end (delta: 37.7 MB). Free memory was 68.2 MB in the beginning and 73.0 MB in the end (delta: -4.8 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:14:49,222 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 102.8 MB. Free memory is still 56.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:14:49,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.14 ms. Allocated memory is still 102.8 MB. Free memory was 68.0 MB in the beginning and 71.1 MB in the end (delta: -3.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:14:49,224 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.79 ms. Allocated memory is still 102.8 MB. Free memory was 71.1 MB in the beginning and 69.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:14:49,225 INFO L168 Benchmark]: Boogie Preprocessor took 61.58 ms. Allocated memory is still 102.8 MB. Free memory was 69.3 MB in the beginning and 68.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:14:49,226 INFO L168 Benchmark]: RCFGBuilder took 584.01 ms. Allocated memory is still 102.8 MB. Free memory was 68.1 MB in the beginning and 57.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:14:49,230 INFO L168 Benchmark]: BuchiAutomizer took 4924.82 ms. Allocated memory was 102.8 MB in the beginning and 140.5 MB in the end (delta: 37.7 MB). Free memory was 57.9 MB in the beginning and 73.7 MB in the end (delta: -15.8 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:14:49,235 INFO L168 Benchmark]: Witness Printer took 5.60 ms. Allocated memory is still 140.5 MB. Free memory was 73.7 MB in the beginning and 73.0 MB in the end (delta: 692.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:14:49,242 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 102.8 MB. Free memory is still 56.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 599.14 ms. Allocated memory is still 102.8 MB. Free memory was 68.0 MB in the beginning and 71.1 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 67.79 ms. Allocated memory is still 102.8 MB. Free memory was 71.1 MB in the beginning and 69.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.58 ms. Allocated memory is still 102.8 MB. Free memory was 69.3 MB in the beginning and 68.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 584.01 ms. Allocated memory is still 102.8 MB. Free memory was 68.1 MB in the beginning and 57.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4924.82 ms. Allocated memory was 102.8 MB in the beginning and 140.5 MB in the end (delta: 37.7 MB). Free memory was 57.9 MB in the beginning and 73.7 MB in the end (delta: -15.8 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. * Witness Printer took 5.60 ms. Allocated memory is still 140.5 MB. Free memory was 73.7 MB in the beginning and 73.0 MB in the end (delta: 692.0 kB). There was no memory consumed. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function in_len + -1 * s1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 12 SDslu, 7 SDs, 0 SdLazy, 13 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital208 mio100 ax100 hnf100 lsp97 ukn86 mio100 lsp42 div100 bol100 ite100 ukn100 eq190 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms 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! [2021-10-28 23:14:49,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:49,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc3a96c1-e689-4cdd-9a52-4498d0a6fb29/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...