./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 46249a8081e9ed07db6908cd3a496204be92fe5d3b36976e28b801142a0a3633 ................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:49:05,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:49:05,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:49:05,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:49:05,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:49:05,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:49:05,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:49:05,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:49:05,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:49:05,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:49:05,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:49:05,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:49:05,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:49:05,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:49:05,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:49:05,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:49:05,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:49:05,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:49:05,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:49:05,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:49:05,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:49:05,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:49:05,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:49:05,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:49:05,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:49:05,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:49:05,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:49:05,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:49:05,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:49:05,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:49:05,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:49:05,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:49:05,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:49:05,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:49:05,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:49:05,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:49:05,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:49:05,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:49:05,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:49:05,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:49:05,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:49:05,384 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 22:49:05,446 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:49:05,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:49:05,447 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:49:05,447 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:49:05,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:49:05,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:49:05,451 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:49:05,451 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 22:49:05,451 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 22:49:05,452 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 22:49:05,453 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 22:49:05,453 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 22:49:05,454 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 22:49:05,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:49:05,454 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 22:49:05,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:49:05,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:49:05,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 22:49:05,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 22:49:05,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 22:49:05,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:49:05,456 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 22:49:05,457 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:49:05,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 22:49:05,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:49:05,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:49:05,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:49:05,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:49:05,460 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:49:05,462 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 22:49:05,462 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_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46249a8081e9ed07db6908cd3a496204be92fe5d3b36976e28b801142a0a3633 [2021-10-28 22:49:05,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:49:05,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:49:05,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:49:05,893 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:49:05,894 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:49:05,895 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1.c [2021-10-28 22:49:05,997 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/data/a1cfc44ae/2e201ec4d8884e90b0767c32990735a3/FLAGedfcc9e8c [2021-10-28 22:49:06,579 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:49:06,581 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1.c [2021-10-28 22:49:06,588 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/data/a1cfc44ae/2e201ec4d8884e90b0767c32990735a3/FLAGedfcc9e8c [2021-10-28 22:49:06,919 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/data/a1cfc44ae/2e201ec4d8884e90b0767c32990735a3 [2021-10-28 22:49:06,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:49:06,928 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:49:06,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:49:06,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:49:06,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:49:06,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:49:06" (1/1) ... [2021-10-28 22:49:06,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c8b5b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:06, skipping insertion in model container [2021-10-28 22:49:06,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:49:06" (1/1) ... [2021-10-28 22:49:06,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:49:06,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:49:07,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:49:07,214 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:49:07,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:49:07,271 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:49:07,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:07 WrapperNode [2021-10-28 22:49:07,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:49:07,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:49:07,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:49:07,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:49:07,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:07" (1/1) ... [2021-10-28 22:49:07,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:07" (1/1) ... [2021-10-28 22:49:07,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:49:07,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:49:07,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:49:07,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:49:07,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:07" (1/1) ... [2021-10-28 22:49:07,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:07" (1/1) ... [2021-10-28 22:49:07,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:07" (1/1) ... [2021-10-28 22:49:07,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:07" (1/1) ... [2021-10-28 22:49:07,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:07" (1/1) ... [2021-10-28 22:49:07,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:07" (1/1) ... [2021-10-28 22:49:07,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:07" (1/1) ... [2021-10-28 22:49:07,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:49:07,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:49:07,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:49:07,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:49:07,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:07" (1/1) ... [2021-10-28 22:49:07,348 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:07,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:07,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:07,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 22:49:07,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:49:07,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:49:07,610 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:49:07,610 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-28 22:49:07,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:49:07 BoogieIcfgContainer [2021-10-28 22:49:07,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:49:07,614 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 22:49:07,615 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 22:49:07,619 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 22:49:07,620 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:49:07,620 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 10:49:06" (1/3) ... [2021-10-28 22:49:07,622 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52c5d93e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:49:07, skipping insertion in model container [2021-10-28 22:49:07,622 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:49:07,622 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:07" (2/3) ... [2021-10-28 22:49:07,623 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52c5d93e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:49:07, skipping insertion in model container [2021-10-28 22:49:07,623 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:49:07,623 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:49:07" (3/3) ... [2021-10-28 22:49:07,625 INFO L389 chiAutomizerObserver]: Analyzing ICFG LeikeHeizmann-TACAS2014-Ex1.c [2021-10-28 22:49:07,680 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 22:49:07,680 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 22:49:07,681 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 22:49:07,681 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 22:49:07,681 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 22:49:07,681 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 22:49:07,681 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 22:49:07,682 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 22:49:07,698 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:07,718 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 22:49:07,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:49:07,718 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:49:07,725 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 22:49:07,725 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:49:07,725 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 22:49:07,726 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:07,727 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 22:49:07,727 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:49:07,727 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:49:07,728 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 22:49:07,728 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:49:07,736 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~q~0, main_~y~0;havoc main_~q~0;havoc main_~y~0;main_~q~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 7#L18-2true [2021-10-28 22:49:07,736 INFO L793 eck$LassoCheckResult]: Loop: 7#L18-2true assume !!(main_~q~0 > 0); 5#L18true assume main_~y~0 > 0;main_~q~0 := main_~q~0 - main_~y~0 - 1; 7#L18-2true [2021-10-28 22:49:07,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:07,744 INFO L85 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-28 22:49:07,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:07,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298269998] [2021-10-28 22:49:07,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:07,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:07,848 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:07,869 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:07,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:07,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2021-10-28 22:49:07,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:07,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073228569] [2021-10-28 22:49:07,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:07,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:07,885 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:07,891 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:07,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:07,893 INFO L85 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2021-10-28 22:49:07,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:07,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351503193] [2021-10-28 22:49:07,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:07,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:07,901 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:07,908 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:07,982 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:49:07,983 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:49:07,983 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:49:07,984 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:49:07,984 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 22:49:07,984 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:07,984 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:49:07,984 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:49:07,985 INFO L133 ssoRankerPreferences]: Filename of dumped script: LeikeHeizmann-TACAS2014-Ex1.c_Iteration1_Loop [2021-10-28 22:49:07,985 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:49:07,996 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:49:08,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:08,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:08,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:08,092 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:49:08,093 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 22:49:08,095 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:08,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:08,097 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:08,102 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 22:49:08,102 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 22:49:08,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 22:49:08,125 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 22:49:08,125 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: [] [2021-10-28 22:49:08,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:08,164 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:08,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:08,168 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:08,176 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 22:49:08,177 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 22:49:08,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 22:49:08,212 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 22:49:08,212 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: [] [2021-10-28 22:49:08,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:08,249 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:08,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:08,251 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:08,257 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 22:49:08,257 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 22:49:08,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 22:49:08,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:08,336 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:08,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:08,338 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:08,344 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 22:49:08,344 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 22:49:08,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 22:49:08,485 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 22:49:08,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:08,495 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:49:08,496 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:49:08,496 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:49:08,496 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:49:08,496 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:49:08,496 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:08,496 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:49:08,496 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:49:08,497 INFO L133 ssoRankerPreferences]: Filename of dumped script: LeikeHeizmann-TACAS2014-Ex1.c_Iteration1_Loop [2021-10-28 22:49:08,497 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:49:08,497 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:49:08,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:08,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:08,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:08,553 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:49:08,558 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:49:08,559 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:08,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:08,576 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:08,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:08,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 22:49:08,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:08,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:08,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:08,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:08,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:08,606 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:08,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:08,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:08,659 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:08,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:08,660 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:08,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:08,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:08,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:08,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:08,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:08,682 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:08,682 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:08,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 22:49:08,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:08,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:08,738 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:08,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:08,743 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:08,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 22:49:08,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:08,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:08,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:08,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:08,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:08,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:08,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:08,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:08,771 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:49:08,775 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-28 22:49:08,775 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 22:49:08,777 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:08,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:08,783 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:08,789 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:49:08,789 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 22:49:08,789 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:49:08,790 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~q~0) = 1*ULTIMATE.start_main_~q~0 Supporting invariants [] [2021-10-28 22:49:08,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 22:49:08,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:08,830 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 22:49:08,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:08,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 22:49:08,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:08,873 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 22:49:08,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:08,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:49:08,911 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 22:49:08,912 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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 3 states, 3 states have (on average 1.0) 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) [2021-10-28 22:49:08,951 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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 3 states, 3 states have (on average 1.0) 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 17 states and 22 transitions. Complement of second has 7 states. [2021-10-28 22:49:08,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 22:49:08,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.0) 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) [2021-10-28 22:49:08,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2021-10-28 22:49:08,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 1 letters. Loop has 2 letters. [2021-10-28 22:49:08,956 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:08,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 3 letters. Loop has 2 letters. [2021-10-28 22:49:08,956 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:08,957 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 1 letters. Loop has 4 letters. [2021-10-28 22:49:08,957 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:08,958 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 22 transitions. [2021-10-28 22:49:08,960 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 22:49:08,963 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2021-10-28 22:49:08,964 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 22:49:08,964 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 22:49:08,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 22:49:08,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:49:08,965 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:49:08,965 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:49:08,965 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:49:08,966 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 22:49:08,966 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 22:49:08,966 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 22:49:08,966 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 22:49:08,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 10:49:08 BoogieIcfgContainer [2021-10-28 22:49:08,972 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 22:49:08,973 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:49:08,973 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:49:08,973 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:49:08,974 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:49:07" (3/4) ... [2021-10-28 22:49:08,977 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 22:49:08,977 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:49:08,979 INFO L168 Benchmark]: Toolchain (without parser) took 2049.37 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 57.2 MB in the beginning and 71.1 MB in the end (delta: -13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:08,979 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 90.2 MB. Free memory was 44.5 MB in the beginning and 44.5 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:49:08,980 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.21 ms. Allocated memory is still 90.2 MB. Free memory was 57.1 MB in the beginning and 67.9 MB in the end (delta: -10.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:08,981 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.00 ms. Allocated memory is still 90.2 MB. Free memory was 67.9 MB in the beginning and 66.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:49:08,981 INFO L168 Benchmark]: Boogie Preprocessor took 20.87 ms. Allocated memory is still 90.2 MB. Free memory was 66.6 MB in the beginning and 65.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:08,982 INFO L168 Benchmark]: RCFGBuilder took 276.83 ms. Allocated memory is still 90.2 MB. Free memory was 65.6 MB in the beginning and 58.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:08,983 INFO L168 Benchmark]: BuchiAutomizer took 1357.75 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 57.9 MB in the beginning and 71.1 MB in the end (delta: -13.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:08,983 INFO L168 Benchmark]: Witness Printer took 4.31 ms. Allocated memory is still 117.4 MB. Free memory is still 71.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:49:08,987 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 90.2 MB. Free memory was 44.5 MB in the beginning and 44.5 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 339.21 ms. Allocated memory is still 90.2 MB. Free memory was 57.1 MB in the beginning and 67.9 MB in the end (delta: -10.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.00 ms. Allocated memory is still 90.2 MB. Free memory was 67.9 MB in the beginning and 66.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.87 ms. Allocated memory is still 90.2 MB. Free memory was 66.6 MB in the beginning and 65.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 276.83 ms. Allocated memory is still 90.2 MB. Free memory was 65.6 MB in the beginning and 58.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1357.75 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 57.9 MB in the beginning and 71.1 MB in the end (delta: -13.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.31 ms. Allocated memory is still 117.4 MB. Free memory is still 71.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function q and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. 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: 4 SDtfs, 5 SDslu, 6 SDs, 0 SdLazy, 7 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax185 hnf100 lsp53 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf95 smp100 dnf100 smp100 tf110 neg100 sie118 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 62ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 22:49:09,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:09,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3273e257-d01a-4596-9544-c23319cb6012/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...