./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Mysore-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Mysore-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa --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 e573de14d9788c77bce7065ed34a1586a64b72729dbf270f6aaf1ae9cdd54fd7 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:56:30,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:56:30,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:56:30,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:56:30,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:56:30,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:56:30,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:56:30,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:56:30,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:56:30,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:56:30,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:56:30,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:56:30,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:56:30,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:56:30,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:56:30,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:56:30,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:56:30,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:56:30,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:56:30,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:56:30,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:56:30,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:56:30,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:56:30,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:56:30,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:56:30,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:56:30,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:56:30,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:56:30,243 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:56:30,244 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:56:30,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:56:30,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:56:30,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:56:30,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:56:30,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:56:30,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:56:30,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:56:30,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:56:30,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:56:30,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:56:30,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:56:30,252 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-07 00:56:30,275 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:56:30,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:56:30,276 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:56:30,276 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:56:30,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:56:30,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:56:30,278 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:56:30,278 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-07 00:56:30,278 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-07 00:56:30,278 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-07 00:56:30,278 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-07 00:56:30,279 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-07 00:56:30,279 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-07 00:56:30,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:56:30,279 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-07 00:56:30,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:56:30,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:56:30,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-07 00:56:30,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-07 00:56:30,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-07 00:56:30,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:56:30,280 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-07 00:56:30,280 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:56:30,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-07 00:56:30,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:56:30,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:56:30,281 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:56:30,281 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:56:30,282 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:56:30,283 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-07 00:56:30,283 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_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e573de14d9788c77bce7065ed34a1586a64b72729dbf270f6aaf1ae9cdd54fd7 [2021-12-07 00:56:30,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:56:30,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:56:30,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:56:30,515 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:56:30,516 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:56:30,517 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-crafted/Mysore-2.c [2021-12-07 00:56:30,569 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/data/b81f0e748/ea8037ee6ffd409597e1801f4d22902c/FLAG5776f24f0 [2021-12-07 00:56:30,936 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:56:30,936 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/sv-benchmarks/c/termination-crafted/Mysore-2.c [2021-12-07 00:56:30,942 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/data/b81f0e748/ea8037ee6ffd409597e1801f4d22902c/FLAG5776f24f0 [2021-12-07 00:56:31,363 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/data/b81f0e748/ea8037ee6ffd409597e1801f4d22902c [2021-12-07 00:56:31,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:56:31,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:56:31,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:56:31,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:56:31,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:56:31,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:56:31" (1/1) ... [2021-12-07 00:56:31,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17c3118e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:31, skipping insertion in model container [2021-12-07 00:56:31,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:56:31" (1/1) ... [2021-12-07 00:56:31,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:56:31,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:56:31,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:56:31,522 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:56:31,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:56:31,551 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:56:31,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:31 WrapperNode [2021-12-07 00:56:31,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:56:31,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:56:31,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:56:31,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:56:31,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:31" (1/1) ... [2021-12-07 00:56:31,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:31" (1/1) ... [2021-12-07 00:56:31,581 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2021-12-07 00:56:31,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:56:31,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:56:31,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:56:31,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:56:31,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:31" (1/1) ... [2021-12-07 00:56:31,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:31" (1/1) ... [2021-12-07 00:56:31,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:31" (1/1) ... [2021-12-07 00:56:31,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:31" (1/1) ... [2021-12-07 00:56:31,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:31" (1/1) ... [2021-12-07 00:56:31,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:31" (1/1) ... [2021-12-07 00:56:31,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:31" (1/1) ... [2021-12-07 00:56:31,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:56:31,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:56:31,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:56:31,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:56:31,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:31" (1/1) ... [2021-12-07 00:56:31,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:56:31,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:56:31,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:56:31,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-07 00:56:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:56:31,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:56:31,701 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:56:31,703 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:56:31,770 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:56:31,776 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:56:31,777 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-07 00:56:31,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:56:31 BoogieIcfgContainer [2021-12-07 00:56:31,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:56:31,780 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-07 00:56:31,780 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-07 00:56:31,783 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-07 00:56:31,784 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 00:56:31,784 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 12:56:31" (1/3) ... [2021-12-07 00:56:31,786 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e692ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:56:31, skipping insertion in model container [2021-12-07 00:56:31,786 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 00:56:31,786 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:31" (2/3) ... [2021-12-07 00:56:31,786 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e692ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:56:31, skipping insertion in model container [2021-12-07 00:56:31,786 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 00:56:31,787 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:56:31" (3/3) ... [2021-12-07 00:56:31,788 INFO L388 chiAutomizerObserver]: Analyzing ICFG Mysore-2.c [2021-12-07 00:56:31,838 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-07 00:56:31,838 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-07 00:56:31,838 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-07 00:56:31,838 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-07 00:56:31,838 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-07 00:56:31,838 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-07 00:56:31,838 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-07 00:56:31,839 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-07 00:56:31,854 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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) [2021-12-07 00:56:31,875 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-07 00:56:31,875 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:56:31,875 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:56:31,881 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-07 00:56:31,881 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-07 00:56:31,881 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-07 00:56:31,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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) [2021-12-07 00:56:31,884 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-07 00:56:31,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:56:31,884 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:56:31,884 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-07 00:56:31,885 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-07 00:56:31,892 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#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_~c~0#1, main_~x~0#1;havoc main_~c~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~c~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 8#L19true assume !!(-65535 <= main_~x~0#1 && main_~x~0#1 <= 65535); 10#L20true assume !!(-65535 <= main_~c~0#1 && main_~c~0#1 <= 65535); 6#L21true assume main_~c~0#1 >= 2; 9#L22-2true [2021-12-07 00:56:31,892 INFO L793 eck$LassoCheckResult]: Loop: 9#L22-2true assume !!(main_~x~0#1 + main_~c~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1; 9#L22-2true [2021-12-07 00:56:31,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:56:31,899 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2021-12-07 00:56:31,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:56:31,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960510024] [2021-12-07 00:56:31,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:56:31,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:56:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:56:31,998 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:56:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:56:32,018 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:56:32,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:56:32,022 INFO L85 PathProgramCache]: Analyzing trace with hash 55, now seen corresponding path program 1 times [2021-12-07 00:56:32,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:56:32,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616686144] [2021-12-07 00:56:32,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:56:32,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:56:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:56:32,033 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:56:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:56:32,039 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:56:32,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:56:32,041 INFO L85 PathProgramCache]: Analyzing trace with hash 889571281, now seen corresponding path program 1 times [2021-12-07 00:56:32,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:56:32,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789369453] [2021-12-07 00:56:32,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:56:32,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:56:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:56:32,052 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:56:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:56:32,061 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:56:32,131 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:56:32,132 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:56:32,132 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:56:32,132 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:56:32,132 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-07 00:56:32,132 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:56:32,133 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:56:32,133 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:56:32,133 INFO L133 ssoRankerPreferences]: Filename of dumped script: Mysore-2.c_Iteration1_Loop [2021-12-07 00:56:32,133 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:56:32,133 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:56:32,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:56:32,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:56:32,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:56:32,227 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:56:32,227 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-07 00:56:32,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:56:32,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:56:32,231 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:56:32,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-07 00:56:32,234 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 00:56:32,234 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:56:32,259 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-07 00:56:32,260 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: [] [2021-12-07 00:56:32,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-07 00:56:32,288 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:56:32,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:56:32,290 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:56:32,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-07 00:56:32,295 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 00:56:32,295 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:56:32,311 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-07 00:56:32,311 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: [] [2021-12-07 00:56:32,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-07 00:56:32,345 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:56:32,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:56:32,346 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:56:32,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-07 00:56:32,347 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 00:56:32,347 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:56:32,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-07 00:56:32,392 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:56:32,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:56:32,393 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:56:32,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-07 00:56:32,395 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-07 00:56:32,395 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 00:56:32,575 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-07 00:56:32,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-07 00:56:32,578 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:56:32,578 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:56:32,578 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:56:32,578 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:56:32,579 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 00:56:32,579 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:56:32,579 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:56:32,579 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:56:32,579 INFO L133 ssoRankerPreferences]: Filename of dumped script: Mysore-2.c_Iteration1_Loop [2021-12-07 00:56:32,580 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:56:32,580 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:56:32,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:56:32,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:56:32,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:56:32,636 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:56:32,641 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 00:56:32,642 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:56:32,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:56:32,643 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:56:32,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-07 00:56:32,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:56:32,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:56:32,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:56:32,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:56:32,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:56:32,660 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:56:32,660 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:56:32,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:56:32,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-07 00:56:32,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:56:32,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:56:32,701 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:56:32,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-07 00:56:32,702 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 [2021-12-07 00:56:32,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:56:32,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:56:32,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:56:32,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:56:32,715 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:56:32,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:56:32,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:56:32,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-07 00:56:32,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:56:32,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:56:32,754 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:56:32,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-07 00:56:32,756 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 [2021-12-07 00:56:32,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:56:32,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:56:32,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:56:32,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:56:32,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:56:32,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:56:32,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:56:32,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:56:32,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-07 00:56:32,822 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-07 00:56:32,823 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:56:32,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:56:32,824 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:56:32,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-07 00:56:32,825 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 [2021-12-07 00:56:32,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:56:32,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:56:32,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:56:32,835 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:56:32,839 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-07 00:56:32,839 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-07 00:56:32,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:56:32,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-07 00:56:32,863 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:56:32,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:56:32,865 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:56:32,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-07 00:56:32,867 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 [2021-12-07 00:56:32,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:56:32,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:56:32,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:56:32,875 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:56:32,879 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-07 00:56:32,879 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-07 00:56:32,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:56:32,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-07 00:56:32,908 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:56:32,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:56:32,909 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:56:32,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-07 00:56:32,911 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 [2021-12-07 00:56:32,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:56:32,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:56:32,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:56:32,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:56:32,919 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 00:56:32,921 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 00:56:32,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:56:32,928 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 00:56:32,933 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-07 00:56:32,933 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-07 00:56:32,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:56:32,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:56:32,936 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:56:32,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-07 00:56:32,938 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 00:56:32,938 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-07 00:56:32,938 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 00:56:32,938 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -2*ULTIMATE.start_main_~c~0#1 + 3 f1 = 2*ULTIMATE.start_main_~x~0#1 + 2*ULTIMATE.start_main_~c~0#1 + 1 Supporting invariants [] [2021-12-07 00:56:32,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-07 00:56:32,974 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-07 00:56:32,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:56:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:33,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 00:56:33,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:56:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:56:33,026 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-07 00:56:33,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:56:33,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:56:33,058 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 [2021-12-07 00:56:33,059 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:56:33,087 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 23 states and 28 transitions. Complement of second has 5 states. [2021-12-07 00:56:33,088 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 [2021-12-07 00:56:33,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:56:33,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2021-12-07 00:56:33,095 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 5 letters. Loop has 1 letters. [2021-12-07 00:56:33,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:56:33,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 6 letters. Loop has 1 letters. [2021-12-07 00:56:33,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:56:33,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 5 letters. Loop has 2 letters. [2021-12-07 00:56:33,097 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:56:33,097 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2021-12-07 00:56:33,100 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-07 00:56:33,103 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2021-12-07 00:56:33,103 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-07 00:56:33,104 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-07 00:56:33,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-07 00:56:33,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:56:33,104 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 00:56:33,105 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 00:56:33,105 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 00:56:33,105 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-07 00:56:33,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-07 00:56:33,105 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-07 00:56:33,105 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-07 00:56:33,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 12:56:33 BoogieIcfgContainer [2021-12-07 00:56:33,112 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-07 00:56:33,112 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 00:56:33,113 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 00:56:33,113 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 00:56:33,113 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:56:31" (3/4) ... [2021-12-07 00:56:33,116 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-07 00:56:33,116 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 00:56:33,117 INFO L158 Benchmark]: Toolchain (without parser) took 1749.69ms. Allocated memory is still 155.2MB. Free memory was 126.0MB in the beginning and 117.6MB in the end (delta: 8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-07 00:56:33,118 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 77.6MB. Free memory was 40.1MB in the beginning and 40.1MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:56:33,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 183.76ms. Allocated memory is still 155.2MB. Free memory was 125.6MB in the beginning and 133.9MB in the end (delta: -8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-07 00:56:33,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.08ms. Allocated memory is still 155.2MB. Free memory was 133.9MB in the beginning and 132.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:56:33,119 INFO L158 Benchmark]: Boogie Preprocessor took 16.45ms. Allocated memory is still 155.2MB. Free memory was 132.7MB in the beginning and 131.8MB in the end (delta: 865.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:56:33,120 INFO L158 Benchmark]: RCFGBuilder took 179.86ms. Allocated memory is still 155.2MB. Free memory was 131.5MB in the beginning and 123.4MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-07 00:56:33,121 INFO L158 Benchmark]: BuchiAutomizer took 1332.25ms. Allocated memory is still 155.2MB. Free memory was 123.4MB in the beginning and 118.3MB in the end (delta: 5.1MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2021-12-07 00:56:33,121 INFO L158 Benchmark]: Witness Printer took 3.72ms. Allocated memory is still 155.2MB. Free memory was 118.3MB in the beginning and 117.6MB in the end (delta: 671.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:56:33,125 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 77.6MB. Free memory was 40.1MB in the beginning and 40.1MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 183.76ms. Allocated memory is still 155.2MB. Free memory was 125.6MB in the beginning and 133.9MB in the end (delta: -8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.08ms. Allocated memory is still 155.2MB. Free memory was 133.9MB in the beginning and 132.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.45ms. Allocated memory is still 155.2MB. Free memory was 132.7MB in the beginning and 131.8MB in the end (delta: 865.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 179.86ms. Allocated memory is still 155.2MB. Free memory was 131.5MB in the beginning and 123.4MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1332.25ms. Allocated memory is still 155.2MB. Free memory was 123.4MB in the beginning and 118.3MB in the end (delta: 5.1MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Witness Printer took 3.72ms. Allocated memory is still 155.2MB. Free memory was 118.3MB in the beginning and 117.6MB in the end (delta: 671.3kB). 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 2-nested ranking function (if -2 * c + 3 > 0 then 1 else 0), (if -2 * c + 3 > 0 then -2 * c + 3 else 2 * x + 2 * c + 1) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. 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, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s 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, 14 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax170 hnf100 lsp58 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf93 smp100 dnf100 smp100 tf107 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 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! [2021-12-07 00:56:33,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-07 00:56:33,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efc1380-49c1-47d3-a52b-f2c3f10b9793/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE