./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/a.06.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/a.06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y --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 90244b6c2e1b1f029f80e9cfc86fb57c09347d52a85284d5d619fffbbf31f641 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:27:41,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:27:41,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:27:41,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:27:41,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:27:41,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:27:41,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:27:41,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:27:41,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:27:41,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:27:41,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:27:41,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:27:41,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:27:41,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:27:41,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:27:41,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:27:41,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:27:41,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:27:41,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:27:41,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:27:41,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:27:41,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:27:41,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:27:41,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:27:41,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:27:41,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:27:41,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:27:41,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:27:41,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:27:41,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:27:41,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:27:41,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:27:41,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:27:41,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:27:41,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:27:41,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:27:41,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:27:41,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:27:41,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:27:41,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:27:41,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:27:41,312 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-13 18:27:41,346 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:27:41,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:27:41,347 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:27:41,347 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:27:41,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:27:41,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:27:41,349 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:27:41,350 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-13 18:27:41,350 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-13 18:27:41,351 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-13 18:27:41,351 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-13 18:27:41,351 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-13 18:27:41,352 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-13 18:27:41,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:27:41,353 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:27:41,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:27:41,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:27:41,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-13 18:27:41,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-13 18:27:41,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-13 18:27:41,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:27:41,355 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-13 18:27:41,355 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:27:41,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-13 18:27:41,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:27:41,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:27:41,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:27:41,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:27:41,357 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:27:41,359 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-13 18:27:41,359 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_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90244b6c2e1b1f029f80e9cfc86fb57c09347d52a85284d5d619fffbbf31f641 [2021-11-13 18:27:41,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:27:41,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:27:41,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:27:41,714 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:27:41,715 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:27:41,717 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/termination-restricted-15/a.06.c [2021-11-13 18:27:41,833 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/data/9f888a737/1a935729defe4ccd8c0e2d93a8b65212/FLAG44fd2d08a [2021-11-13 18:27:42,433 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:27:42,435 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/sv-benchmarks/c/termination-restricted-15/a.06.c [2021-11-13 18:27:42,448 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/data/9f888a737/1a935729defe4ccd8c0e2d93a8b65212/FLAG44fd2d08a [2021-11-13 18:27:42,822 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/data/9f888a737/1a935729defe4ccd8c0e2d93a8b65212 [2021-11-13 18:27:42,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:27:42,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:27:42,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:27:42,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:27:42,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:27:42,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:27:42" (1/1) ... [2021-11-13 18:27:42,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e66112c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:27:42, skipping insertion in model container [2021-11-13 18:27:42,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:27:42" (1/1) ... [2021-11-13 18:27:42,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:27:42,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:27:43,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:27:43,130 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:27:43,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:27:43,193 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:27:43,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:27:43 WrapperNode [2021-11-13 18:27:43,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:27:43,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:27:43,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:27:43,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:27:43,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:27:43" (1/1) ... [2021-11-13 18:27:43,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:27:43" (1/1) ... [2021-11-13 18:27:43,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:27:43,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:27:43,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:27:43,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:27:43,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:27:43" (1/1) ... [2021-11-13 18:27:43,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:27:43" (1/1) ... [2021-11-13 18:27:43,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:27:43" (1/1) ... [2021-11-13 18:27:43,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:27:43" (1/1) ... [2021-11-13 18:27:43,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:27:43" (1/1) ... [2021-11-13 18:27:43,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:27:43" (1/1) ... [2021-11-13 18:27:43,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:27:43" (1/1) ... [2021-11-13 18:27:43,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:27:43,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:27:43,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:27:43,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:27:43,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:27:43" (1/1) ... [2021-11-13 18:27:43,270 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:27:43,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:27:43,303 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:27:43,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-13 18:27:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:27:43,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:27:43,558 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:27:43,558 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 18:27:43,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:27:43 BoogieIcfgContainer [2021-11-13 18:27:43,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:27:43,567 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-13 18:27:43,567 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-13 18:27:43,571 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-13 18:27:43,572 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:27:43,573 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 06:27:42" (1/3) ... [2021-11-13 18:27:43,575 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@717d3628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:27:43, skipping insertion in model container [2021-11-13 18:27:43,576 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:27:43,576 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:27:43" (2/3) ... [2021-11-13 18:27:43,576 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@717d3628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:27:43, skipping insertion in model container [2021-11-13 18:27:43,577 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:27:43,577 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:27:43" (3/3) ... [2021-11-13 18:27:43,579 INFO L388 chiAutomizerObserver]: Analyzing ICFG a.06.c [2021-11-13 18:27:43,661 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-13 18:27:43,661 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-13 18:27:43,662 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-13 18:27:43,662 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-13 18:27:43,662 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-13 18:27:43,662 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-13 18:27:43,663 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-13 18:27:43,663 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-13 18:27:43,686 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 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) [2021-11-13 18:27:43,713 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-13 18:27:43,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:27:43,714 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:27:43,721 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-13 18:27:43,722 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-13 18:27:43,722 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-13 18:27:43,722 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 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) [2021-11-13 18:27:43,724 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-13 18:27:43,724 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:27:43,724 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:27:43,725 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-13 18:27:43,725 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-13 18:27:43,735 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~c~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~c~0#1 := 0; 3#L12-2true [2021-11-13 18:27:43,735 INFO L793 eck$LassoCheckResult]: Loop: 3#L12-2true assume !!(((((main_~y~0#1 >= 0 && main_~z~0#1 < 2147483647 - main_~y~0#1) || (main_~y~0#1 < 0 && main_~z~0#1 > -2147483648 - main_~y~0#1)) && main_~x~0#1 > main_~y~0#1 + main_~z~0#1) && main_~y~0#1 < 2147483647) && main_~z~0#1 < 2147483647);main_~y~0#1 := 1 + main_~y~0#1;main_~z~0#1 := 1 + main_~z~0#1; 3#L12-2true [2021-11-13 18:27:43,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:27:43,745 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-13 18:27:43,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:27:43,757 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274317372] [2021-11-13 18:27:43,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:27:43,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:27:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:27:43,859 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:27:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:27:43,881 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:27:43,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:27:43,886 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2021-11-13 18:27:43,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:27:43,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562929774] [2021-11-13 18:27:43,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:27:43,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:27:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:27:43,906 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:27:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:27:43,919 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:27:43,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:27:43,922 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2021-11-13 18:27:43,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:27:43,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757576346] [2021-11-13 18:27:43,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:27:43,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:27:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:27:43,936 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:27:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:27:43,949 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:27:44,170 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 18:27:44,171 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 18:27:44,171 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 18:27:44,171 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 18:27:44,172 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-13 18:27:44,172 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:27:44,172 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 18:27:44,172 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 18:27:44,173 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.06.c_Iteration1_Loop [2021-11-13 18:27:44,173 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 18:27:44,173 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 18:27:44,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:27:44,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:27:44,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:27:44,635 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 18:27:44,636 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-13 18:27:44,638 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:27:44,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:27:44,645 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:27:44,651 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:27:44,651 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:27:44,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-13 18:27:44,683 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 18:27:44,683 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-13 18:27:44,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-13 18:27:44,726 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:27:44,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:27:44,728 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:27:44,735 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:27:44,736 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:27:44,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-13 18:27:44,765 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 18:27:44,765 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-13 18:27:44,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-13 18:27:44,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:27:44,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:27:44,816 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:27:44,824 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:27:44,824 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:27:44,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-13 18:27:44,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-13 18:27:44,902 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:27:44,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:27:44,905 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:27:44,914 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-13 18:27:44,914 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:27:44,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-13 18:27:44,994 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-13 18:27:45,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-13 18:27:45,003 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 18:27:45,003 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 18:27:45,004 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 18:27:45,004 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 18:27:45,004 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 18:27:45,004 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:27:45,004 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 18:27:45,004 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 18:27:45,005 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.06.c_Iteration1_Loop [2021-11-13 18:27:45,005 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 18:27:45,005 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 18:27:45,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:27:45,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:27:45,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:27:45,276 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 18:27:45,282 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 18:27:45,284 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:27:45,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:27:45,288 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:27:45,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:27:45,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:27:45,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:27:45,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:27:45,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:27:45,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-13 18:27:45,316 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:27:45,317 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:27:45,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:27:45,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-13 18:27:45,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:27:45,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:27:45,384 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:27:45,397 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 [2021-11-13 18:27:45,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:27:45,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:27:45,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:27:45,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:27:45,418 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:27:45,420 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:27:45,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-13 18:27:45,430 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:27:45,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-13 18:27:45,475 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:27:45,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:27:45,476 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:27:45,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:27:45,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:27:45,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:27:45,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:27:45,499 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-13 18:27:45,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:27:45,506 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:27:45,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:27:45,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-13 18:27:45,524 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 18:27:45,532 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-13 18:27:45,532 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-13 18:27:45,534 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:27:45,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:27:45,541 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:27:45,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-13 18:27:45,547 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 18:27:45,547 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-13 18:27:45,547 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 18:27:45,548 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = -2*ULTIMATE.start_main_~y~0#1 + 4294967293 Supporting invariants [] [2021-11-13 18:27:45,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-11-13 18:27:45,592 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-13 18:27:45,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:27:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:27:45,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 18:27:45,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:27:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:27:45,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 18:27:45,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:27:45,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:27:45,728 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-11-13 18:27:45,730 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 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) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:27:45,777 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 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). Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 16 states and 19 transitions. Complement of second has 5 states. [2021-11-13 18:27:45,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-13 18:27:45,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:27:45,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2021-11-13 18:27:45,800 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 1 letters. [2021-11-13 18:27:45,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:27:45,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 1 letters. [2021-11-13 18:27:45,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:27:45,802 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. [2021-11-13 18:27:45,802 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:27:45,803 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2021-11-13 18:27:45,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-11-13 18:27:45,840 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-13 18:27:45,844 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2021-11-13 18:27:45,845 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-13 18:27:45,845 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-13 18:27:45,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-13 18:27:45,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:27:45,847 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:27:45,847 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:27:45,847 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:27:45,847 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-13 18:27:45,847 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-13 18:27:45,848 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-13 18:27:45,848 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-13 18:27:45,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 06:27:45 BoogieIcfgContainer [2021-11-13 18:27:45,858 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-13 18:27:45,865 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 18:27:45,866 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 18:27:45,867 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 18:27:45,867 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:27:43" (3/4) ... [2021-11-13 18:27:45,873 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-13 18:27:45,873 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 18:27:45,875 INFO L158 Benchmark]: Toolchain (without parser) took 3044.60ms. Allocated memory was 92.3MB in the beginning and 132.1MB in the end (delta: 39.8MB). Free memory was 59.0MB in the beginning and 102.7MB in the end (delta: -43.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:27:45,876 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 92.3MB. Free memory was 49.6MB in the beginning and 49.5MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:27:45,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.30ms. Allocated memory is still 92.3MB. Free memory was 58.9MB in the beginning and 69.1MB in the end (delta: -10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 18:27:45,883 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.27ms. Allocated memory is still 92.3MB. Free memory was 69.1MB in the beginning and 67.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:27:45,885 INFO L158 Benchmark]: Boogie Preprocessor took 22.81ms. Allocated memory is still 92.3MB. Free memory was 67.8MB in the beginning and 67.0MB in the end (delta: 856.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:27:45,886 INFO L158 Benchmark]: RCFGBuilder took 304.10ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 58.8MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 18:27:45,887 INFO L158 Benchmark]: BuchiAutomizer took 2291.01ms. Allocated memory was 92.3MB in the beginning and 132.1MB in the end (delta: 39.8MB). Free memory was 58.8MB in the beginning and 102.7MB in the end (delta: -43.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:27:45,888 INFO L158 Benchmark]: Witness Printer took 7.97ms. Allocated memory is still 132.1MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:27:45,893 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 92.3MB. Free memory was 49.6MB in the beginning and 49.5MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.30ms. Allocated memory is still 92.3MB. Free memory was 58.9MB in the beginning and 69.1MB in the end (delta: -10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.27ms. Allocated memory is still 92.3MB. Free memory was 69.1MB in the beginning and 67.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.81ms. Allocated memory is still 92.3MB. Free memory was 67.8MB in the beginning and 67.0MB in the end (delta: 856.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 304.10ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 58.8MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2291.01ms. Allocated memory was 92.3MB in the beginning and 132.1MB in the end (delta: 39.8MB). Free memory was 58.8MB in the beginning and 102.7MB in the end (delta: -43.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.97ms. Allocated memory is still 132.1MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * y + 4294967293 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 6.56ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 5.40ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5 mSDtfsCounter, 3 mSolverCounterSat, 0.81ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital43 mio100 ax127 hnf100 lsp110 ukn62 mio100 lsp100 div100 bol100 ite100 ukn100 eq131 hnf95 smp100 dnf177 smp96 tf102 neg100 sie119 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 51ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-13 18:27:45,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20ad18a5-823e-4404-b12a-abb7b7f70b86/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE