./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/a.08.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_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/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_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/a.08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/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_a69e0bc4-8151-49ea-a679-309e8b6c4715/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 00101ceaf0ab5dcd06a62d28e90471a493dd19d7f9d6e1d27432214e589a6ed6 ................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:58:21,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:58:21,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:58:21,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:58:21,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:58:21,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:58:21,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:58:21,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:58:21,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:58:21,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:58:21,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:58:21,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:58:21,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:58:21,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:58:21,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:58:21,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:58:21,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:58:21,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:58:21,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:58:21,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:58:21,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:58:21,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:58:21,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:58:21,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:58:21,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:58:21,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:58:21,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:58:21,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:58:21,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:58:21,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:58:21,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:58:21,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:58:21,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:58:21,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:58:21,740 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:58:21,740 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:58:21,741 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:58:21,741 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:58:21,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:58:21,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:58:21,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:58:21,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 23:58:21,802 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:58:21,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:58:21,805 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:58:21,805 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:58:21,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:58:21,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:58:21,807 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:58:21,807 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:58:21,807 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:58:21,808 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:58:21,809 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:58:21,809 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:58:21,809 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:58:21,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:58:21,810 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:58:21,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:58:21,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:58:21,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:58:21,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:58:21,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:58:21,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:58:21,812 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:58:21,812 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:58:21,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:58:21,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:58:21,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:58:21,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:58:21,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:58:21,815 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:58:21,816 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:58:21,817 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_a69e0bc4-8151-49ea-a679-309e8b6c4715/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00101ceaf0ab5dcd06a62d28e90471a493dd19d7f9d6e1d27432214e589a6ed6 [2021-10-28 23:58:22,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:58:22,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:58:22,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:58:22,183 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:58:22,185 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:58:22,186 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-restricted-15/a.08.c [2021-10-28 23:58:22,271 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/data/caa388c4f/8634b40c0bfb49d5b865418a5958211d/FLAG1e8258d60 [2021-10-28 23:58:22,757 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:58:22,757 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/sv-benchmarks/c/termination-restricted-15/a.08.c [2021-10-28 23:58:22,767 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/data/caa388c4f/8634b40c0bfb49d5b865418a5958211d/FLAG1e8258d60 [2021-10-28 23:58:23,132 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/data/caa388c4f/8634b40c0bfb49d5b865418a5958211d [2021-10-28 23:58:23,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:58:23,136 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:58:23,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:58:23,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:58:23,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:58:23,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:58:23" (1/1) ... [2021-10-28 23:58:23,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38a20822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:23, skipping insertion in model container [2021-10-28 23:58:23,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:58:23" (1/1) ... [2021-10-28 23:58:23,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:58:23,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:58:23,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:58:23,339 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:58:23,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:58:23,363 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:58:23,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:23 WrapperNode [2021-10-28 23:58:23,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:58:23,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:58:23,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:58:23,366 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:58:23,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:23" (1/1) ... [2021-10-28 23:58:23,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:23" (1/1) ... [2021-10-28 23:58:23,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:58:23,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:58:23,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:58:23,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:58:23,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:23" (1/1) ... [2021-10-28 23:58:23,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:23" (1/1) ... [2021-10-28 23:58:23,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:23" (1/1) ... [2021-10-28 23:58:23,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:23" (1/1) ... [2021-10-28 23:58:23,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:23" (1/1) ... [2021-10-28 23:58:23,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:23" (1/1) ... [2021-10-28 23:58:23,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:23" (1/1) ... [2021-10-28 23:58:23,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:58:23,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:58:23,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:58:23,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:58:23,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:23" (1/1) ... [2021-10-28 23:58:23,450 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:23,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:23,486 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:23,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:58:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:58:23,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:58:23,719 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:58:23,720 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-28 23:58:23,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:58:23 BoogieIcfgContainer [2021-10-28 23:58:23,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:58:23,725 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:58:23,726 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:58:23,730 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:58:23,731 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:58:23,731 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:58:23" (1/3) ... [2021-10-28 23:58:23,734 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32364b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:58:23, skipping insertion in model container [2021-10-28 23:58:23,734 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:58:23,734 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:23" (2/3) ... [2021-10-28 23:58:23,735 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32364b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:58:23, skipping insertion in model container [2021-10-28 23:58:23,735 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:58:23,735 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:58:23" (3/3) ... [2021-10-28 23:58:23,737 INFO L389 chiAutomizerObserver]: Analyzing ICFG a.08.c [2021-10-28 23:58:23,805 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:58:23,805 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:58:23,806 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:58:23,806 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:58:23,806 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:58:23,806 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:58:23,807 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:58:23,807 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:58:23,824 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:23,850 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 23:58:23,851 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:58:23,851 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:58:23,857 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 23:58:23,858 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 23:58:23,858 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:58:23,859 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:23,860 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 23:58:23,860 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:58:23,861 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:58:23,861 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 23:58:23,861 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 23:58:23,869 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0, main_~y~0;havoc main_~c~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~c~0 := 0; 7#L11-2true [2021-10-28 23:58:23,869 INFO L793 eck$LassoCheckResult]: Loop: 7#L11-2true assume !!(main_~x~0 > main_~y~0 && main_~x~0 < 2147483647);main_~x~0 := 1 + main_~x~0;main_~y~0 := 2 + main_~y~0; 7#L11-2true [2021-10-28 23:58:23,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:58:23,875 INFO L85 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-28 23:58:23,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:58:23,884 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291013239] [2021-10-28 23:58:23,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:58:23,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:58:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:58:23,959 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:58:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:58:23,980 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:58:23,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:58:23,984 INFO L85 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2021-10-28 23:58:23,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:58:23,985 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794696169] [2021-10-28 23:58:23,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:58:23,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:58:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:58:23,998 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:58:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:58:24,005 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:58:24,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:58:24,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-10-28 23:58:24,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:58:24,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916981465] [2021-10-28 23:58:24,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:58:24,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:58:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:58:24,018 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:58:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:58:24,027 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:58:24,175 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:58:24,176 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:58:24,176 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:58:24,176 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:58:24,177 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:58:24,177 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:24,177 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:58:24,177 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:58:24,178 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.08.c_Iteration1_Loop [2021-10-28 23:58:24,178 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:58:24,178 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:58:24,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:58:24,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:58:24,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:58:24,324 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:58:24,325 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:58:24,326 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:24,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:24,328 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:24,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:58:24,330 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:58:24,330 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:58:24,350 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:58:24,350 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 23:58:24,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:24,388 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:24,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:24,396 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:24,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:58:24,402 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:58:24,402 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:58:24,439 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:58:24,439 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 23:58:24,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:24,464 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:24,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:24,465 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:24,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:58:24,478 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:58:24,478 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:58:24,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:24,526 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:24,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:24,527 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:24,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:58:24,534 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:58:24,535 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:58:24,591 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:58:24,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:24,598 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:58:24,599 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:58:24,599 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:58:24,599 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:58:24,599 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:58:24,599 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:24,599 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:58:24,599 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:58:24,600 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.08.c_Iteration1_Loop [2021-10-28 23:58:24,600 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:58:24,600 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:58:24,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:58:24,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:58:24,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:58:24,715 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:58:24,720 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:58:24,721 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:24,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:24,735 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:24,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:24,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:24,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:24,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:24,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:58:24,766 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:58:24,766 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:58:24,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:58:24,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:24,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:24,820 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:24,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:24,821 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:24,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:58:24,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:24,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:24,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:24,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:24,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:58:24,836 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:58:24,836 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:58:24,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:24,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:24,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:24,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:24,886 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:24,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:58:24,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:58:24,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:24,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:24,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:24,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:24,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:58:24,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:58:24,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:24,913 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:58:24,918 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 23:58:24,918 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 23:58:24,920 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:24,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:24,926 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:24,928 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:58:24,928 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 23:58:24,928 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:58:24,929 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~x~0 + 4294967293 Supporting invariants [] [2021-10-28 23:58:24,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:58:24,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:24,969 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 23:58:24,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:58:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:58:25,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:58:25,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:58:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:58:25,026 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:58:25,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:58:25,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:58:25,051 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 [2021-10-28 23:58:25,053 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:25,097 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 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 15 states and 18 transitions. Complement of second has 5 states. [2021-10-28 23:58:25,099 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 [2021-10-28 23:58:25,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.0) internal successors, (2), 1 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:25,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2021-10-28 23:58:25,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 1 letters. [2021-10-28 23:58:25,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:58:25,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2021-10-28 23:58:25,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:58:25,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2021-10-28 23:58:25,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:58:25,104 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2021-10-28 23:58:25,106 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:58:25,108 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2021-10-28 23:58:25,109 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:58:25,109 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:58:25,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:58:25,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:58:25,110 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:58:25,110 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:58:25,110 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:58:25,110 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:58:25,110 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:58:25,110 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:58:25,110 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:58:25,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:58:25 BoogieIcfgContainer [2021-10-28 23:58:25,115 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:58:25,115 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:58:25,115 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:58:25,115 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:58:25,116 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:58:23" (3/4) ... [2021-10-28 23:58:25,118 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:58:25,119 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:58:25,121 INFO L168 Benchmark]: Toolchain (without parser) took 1983.04 ms. Allocated memory was 86.0 MB in the beginning and 115.3 MB in the end (delta: 29.4 MB). Free memory was 50.7 MB in the beginning and 75.2 MB in the end (delta: -24.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:58:25,121 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory is still 66.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:58:25,122 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.19 ms. Allocated memory was 86.0 MB in the beginning and 115.3 MB in the end (delta: 29.4 MB). Free memory was 50.5 MB in the beginning and 93.2 MB in the end (delta: -42.7 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:58:25,123 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.90 ms. Allocated memory is still 115.3 MB. Free memory was 93.2 MB in the beginning and 91.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:58:25,124 INFO L168 Benchmark]: Boogie Preprocessor took 32.37 ms. Allocated memory is still 115.3 MB. Free memory was 91.9 MB in the beginning and 91.0 MB in the end (delta: 912.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:58:25,124 INFO L168 Benchmark]: RCFGBuilder took 286.38 ms. Allocated memory is still 115.3 MB. Free memory was 91.0 MB in the beginning and 83.5 MB in the end (delta: 7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:58:25,125 INFO L168 Benchmark]: BuchiAutomizer took 1390.02 ms. Allocated memory is still 115.3 MB. Free memory was 83.2 MB in the beginning and 75.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:58:25,125 INFO L168 Benchmark]: Witness Printer took 3.35 ms. Allocated memory is still 115.3 MB. Free memory is still 75.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:58:25,129 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory is still 66.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 226.19 ms. Allocated memory was 86.0 MB in the beginning and 115.3 MB in the end (delta: 29.4 MB). Free memory was 50.5 MB in the beginning and 93.2 MB in the end (delta: -42.7 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.90 ms. Allocated memory is still 115.3 MB. Free memory was 93.2 MB in the beginning and 91.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.37 ms. Allocated memory is still 115.3 MB. Free memory was 91.9 MB in the beginning and 91.0 MB in the end (delta: 912.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 286.38 ms. Allocated memory is still 115.3 MB. Free memory was 91.0 MB in the beginning and 83.5 MB in the end (delta: 7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1390.02 ms. Allocated memory is still 115.3 MB. Free memory was 83.2 MB in the beginning and 75.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. * Witness Printer took 3.35 ms. Allocated memory is still 115.3 MB. Free memory is still 75.2 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 -2 * x + 4294967293 and consists of 4 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, 4 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf100 lsp60 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf93 smp100 dnf100 smp100 tf107 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 77ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:58:25,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-28 23:58:25,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a69e0bc4-8151-49ea-a679-309e8b6c4715/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...