./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/aaron2-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/aaron2-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be --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 246d09347c3a084eeabbdf966240b074edac2f7f1a00862cb8995171f6755d56 ..................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:10:25,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:10:25,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:10:25,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:10:25,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:10:25,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:10:25,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:10:25,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:10:25,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:10:25,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:10:25,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:10:25,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:10:25,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:10:25,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:10:25,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:10:25,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:10:25,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:10:25,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:10:25,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:10:25,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:10:25,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:10:25,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:10:25,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:10:25,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:10:25,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:10:25,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:10:25,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:10:25,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:10:25,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:10:25,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:10:25,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:10:25,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:10:25,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:10:25,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:10:25,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:10:25,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:10:25,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:10:25,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:10:25,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:10:25,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:10:25,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:10:25,757 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-21 20:10:25,794 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:10:25,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:10:25,795 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:10:25,795 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:10:25,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:10:25,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:10:25,797 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:10:25,798 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:10:25,798 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:10:25,798 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:10:25,798 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:10:25,799 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:10:25,799 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:10:25,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:10:25,800 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:10:25,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:10:25,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:10:25,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:10:25,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:10:25,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:10:25,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:10:25,801 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:10:25,802 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:10:25,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:10:25,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:10:25,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:10:25,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:10:25,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:10:25,804 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:10:25,805 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:10:25,805 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_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 246d09347c3a084eeabbdf966240b074edac2f7f1a00862cb8995171f6755d56 [2021-10-21 20:10:26,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:10:26,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:10:26,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:10:26,179 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:10:26,180 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:10:26,181 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/termination-crafted/aaron2-1.c [2021-10-21 20:10:26,273 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/data/7c2d55e09/064a33a0c76e4598a6435463ef19c2ec/FLAG63254eb6c [2021-10-21 20:10:26,804 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:10:26,805 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/sv-benchmarks/c/termination-crafted/aaron2-1.c [2021-10-21 20:10:26,813 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/data/7c2d55e09/064a33a0c76e4598a6435463ef19c2ec/FLAG63254eb6c [2021-10-21 20:10:27,182 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/data/7c2d55e09/064a33a0c76e4598a6435463ef19c2ec [2021-10-21 20:10:27,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:10:27,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:10:27,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:10:27,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:10:27,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:10:27,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:10:27" (1/1) ... [2021-10-21 20:10:27,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56be4e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:27, skipping insertion in model container [2021-10-21 20:10:27,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:10:27" (1/1) ... [2021-10-21 20:10:27,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:10:27,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:10:27,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:10:27,394 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:10:27,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:10:27,445 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:10:27,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:27 WrapperNode [2021-10-21 20:10:27,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:10:27,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:10:27,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:10:27,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:10:27,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:27" (1/1) ... [2021-10-21 20:10:27,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:27" (1/1) ... [2021-10-21 20:10:27,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:10:27,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:10:27,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:10:27,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:10:27,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:27" (1/1) ... [2021-10-21 20:10:27,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:27" (1/1) ... [2021-10-21 20:10:27,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:27" (1/1) ... [2021-10-21 20:10:27,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:27" (1/1) ... [2021-10-21 20:10:27,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:27" (1/1) ... [2021-10-21 20:10:27,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:27" (1/1) ... [2021-10-21 20:10:27,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:27" (1/1) ... [2021-10-21 20:10:27,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:10:27,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:10:27,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:10:27,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:10:27,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:27" (1/1) ... [2021-10-21 20:10:27,528 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:10:27,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:10:27,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:10:27,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:10:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:10:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:10:27,850 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:10:27,850 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-21 20:10:27,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:10:27 BoogieIcfgContainer [2021-10-21 20:10:27,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:10:27,858 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:10:27,858 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:10:27,862 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:10:27,863 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:10:27,863 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:10:27" (1/3) ... [2021-10-21 20:10:27,866 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64c53c4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:10:27, skipping insertion in model container [2021-10-21 20:10:27,866 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:10:27,866 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:10:27" (2/3) ... [2021-10-21 20:10:27,867 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64c53c4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:10:27, skipping insertion in model container [2021-10-21 20:10:27,867 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:10:27,867 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:10:27" (3/3) ... [2021-10-21 20:10:27,869 INFO L389 chiAutomizerObserver]: Analyzing ICFG aaron2-1.c [2021-10-21 20:10:27,968 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:10:27,968 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:10:27,968 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:10:27,968 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:10:27,968 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:10:27,968 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:10:27,969 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:10:27,969 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:10:27,992 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 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) [2021-10-21 20:10:28,014 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:10:28,015 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:10:28,015 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:10:28,022 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-21 20:10:28,022 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:10:28,023 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:10:28,023 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 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) [2021-10-21 20:10:28,025 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:10:28,025 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:10:28,025 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:10:28,026 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-21 20:10:28,026 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:10:28,034 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~tx~0;havoc main_~x~0;havoc main_~y~0;havoc main_~tx~0;main_~tx~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~x~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~y~0 := main_#t~nondet2;havoc main_#t~nondet2; 8#L21true assume !!(main_~tx~0 <= 1073741823); 4#L22true assume !!(main_~x~0 <= 1073741823); 10#L23true assume !!(main_~y~0 >= -1073741823); 5#L25-2true [2021-10-21 20:10:28,035 INFO L793 eck$LassoCheckResult]: Loop: 5#L25-2true assume !!(main_~x~0 >= main_~y~0 && main_~tx~0 >= 0); 9#L25true assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~x~0 := main_~x~0 - 1 - main_~tx~0; 5#L25-2true [2021-10-21 20:10:28,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:10:28,042 INFO L82 PathProgramCache]: Analyzing trace with hash 959435, now seen corresponding path program 1 times [2021-10-21 20:10:28,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:10:28,054 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271563629] [2021-10-21 20:10:28,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:10:28,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:10:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:10:28,142 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:10:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:10:28,168 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:10:28,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:10:28,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1764, now seen corresponding path program 1 times [2021-10-21 20:10:28,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:10:28,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190581954] [2021-10-21 20:10:28,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:10:28,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:10:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:10:28,186 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:10:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:10:28,193 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:10:28,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:10:28,195 INFO L82 PathProgramCache]: Analyzing trace with hash 922017838, now seen corresponding path program 1 times [2021-10-21 20:10:28,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:10:28,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130767605] [2021-10-21 20:10:28,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:10:28,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:10:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:10:28,208 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:10:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:10:28,219 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:10:28,361 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:10:28,362 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:10:28,362 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:10:28,362 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:10:28,362 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:10:28,362 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:10:28,363 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:10:28,363 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:10:28,363 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron2-1.c_Iteration1_Loop [2021-10-21 20:10:28,363 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:10:28,363 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:10:28,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:10:28,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:10:28,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:10:28,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:10:28,551 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:10:28,552 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:10:28,555 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:10:28,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:10:28,557 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:10:28,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 20:10:28,560 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:10:28,560 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:10:28,595 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:10:28,595 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: [] [2021-10-21 20:10:28,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:10:28,639 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:10:28,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:10:28,642 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:10:28,651 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:10:28,651 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:10:28,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 20:10:28,678 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:10:28,678 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: [] [2021-10-21 20:10:28,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:10:28,717 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:10:28,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:10:28,718 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:10:28,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 20:10:28,739 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:10:28,740 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:10:28,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:10:28,787 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:10:28,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:10:28,788 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:10:28,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 20:10:28,790 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:10:28,791 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:10:29,207 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:10:29,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:10:29,211 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:10:29,211 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:10:29,211 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:10:29,211 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:10:29,211 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:10:29,211 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:10:29,212 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:10:29,212 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:10:29,212 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron2-1.c_Iteration1_Loop [2021-10-21 20:10:29,212 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:10:29,212 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:10:29,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:10:29,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:10:29,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:10:29,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:10:29,317 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:10:29,322 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:10:29,324 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:10:29,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:10:29,325 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:10:29,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 20:10:29,351 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 [2021-10-21 20:10:29,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:10:29,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:10:29,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:10:29,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:10:29,369 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:10:29,369 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:10:29,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:10:29,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 20:10:29,466 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:10:29,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:10:29,476 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:10:29,483 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 [2021-10-21 20:10:29,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:10:29,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:10:29,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:10:29,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:10:29,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 20:10:29,505 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:10:29,505 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:10:29,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:10:29,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-10-21 20:10:29,571 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:10:29,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:10:29,573 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:10:29,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 20:10:29,577 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 [2021-10-21 20:10:29,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:10:29,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:10:29,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:10:29,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:10:29,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:10:29,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:10:29,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:10:29,598 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:10:29,602 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:10:29,602 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:10:29,604 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:10:29,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:10:29,606 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:10:29,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 20:10:29,642 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:10:29,647 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:10:29,647 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:10:29,648 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~y~0) = 2*ULTIMATE.start_main_~x~0 - 2*ULTIMATE.start_main_~y~0 + 1 Supporting invariants [] [2021-10-21 20:10:29,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 20:10:29,676 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:10:29,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:10:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:10:29,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:10:29,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:10:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:10:29,753 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:10:29,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:10:29,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:10:29,810 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 [2021-10-21 20:10:29,811 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:29,887 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 23 states and 30 transitions. Complement of second has 7 states. [2021-10-21 20:10:29,888 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 [2021-10-21 20:10:29,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:10:29,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2021-10-21 20:10:29,894 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-21 20:10:29,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:10:29,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 6 letters. Loop has 2 letters. [2021-10-21 20:10:29,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:10:29,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 4 letters. Loop has 4 letters. [2021-10-21 20:10:29,897 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:10:29,898 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2021-10-21 20:10:29,906 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:10:29,909 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2021-10-21 20:10:29,911 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:10:29,911 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:10:29,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:10:29,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:10:29,913 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:10:29,913 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:10:29,913 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:10:29,913 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 20:10:29,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:10:29,914 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:10:29,914 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 20:10:29,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 08:10:29 BoogieIcfgContainer [2021-10-21 20:10:29,922 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 20:10:29,923 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:10:29,923 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:10:29,923 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:10:29,924 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:10:27" (3/4) ... [2021-10-21 20:10:29,927 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:10:29,928 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:10:29,931 INFO L168 Benchmark]: Toolchain (without parser) took 2741.14 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 55.3 MB in the beginning and 77.4 MB in the end (delta: -22.0 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:29,932 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 92.3 MB. Free memory was 71.9 MB in the beginning and 71.8 MB in the end (delta: 66.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:10:29,934 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.37 ms. Allocated memory is still 92.3 MB. Free memory was 55.1 MB in the beginning and 69.9 MB in the end (delta: -14.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:29,936 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.32 ms. Allocated memory is still 92.3 MB. Free memory was 69.9 MB in the beginning and 68.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:10:29,938 INFO L168 Benchmark]: Boogie Preprocessor took 23.96 ms. Allocated memory is still 92.3 MB. Free memory was 68.6 MB in the beginning and 67.7 MB in the end (delta: 928.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:10:29,944 INFO L168 Benchmark]: RCFGBuilder took 337.45 ms. Allocated memory is still 92.3 MB. Free memory was 67.7 MB in the beginning and 59.4 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:29,944 INFO L168 Benchmark]: BuchiAutomizer took 2064.46 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 59.4 MB in the beginning and 77.9 MB in the end (delta: -18.5 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:10:29,945 INFO L168 Benchmark]: Witness Printer took 5.27 ms. Allocated memory is still 117.4 MB. Free memory was 77.9 MB in the beginning and 77.4 MB in the end (delta: 567.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:10:29,955 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 92.3 MB. Free memory was 71.9 MB in the beginning and 71.8 MB in the end (delta: 66.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 257.37 ms. Allocated memory is still 92.3 MB. Free memory was 55.1 MB in the beginning and 69.9 MB in the end (delta: -14.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.32 ms. Allocated memory is still 92.3 MB. Free memory was 69.9 MB in the beginning and 68.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.96 ms. Allocated memory is still 92.3 MB. Free memory was 68.6 MB in the beginning and 67.7 MB in the end (delta: 928.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 337.45 ms. Allocated memory is still 92.3 MB. Free memory was 67.7 MB in the beginning and 59.4 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2064.46 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 59.4 MB in the beginning and 77.9 MB in the end (delta: -18.5 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. * Witness Printer took 5.27 ms. Allocated memory is still 117.4 MB. Free memory was 77.9 MB in the beginning and 77.4 MB in the end (delta: 567.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * y + 2 * x + 1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. 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: 12 SDtfs, 12 SDslu, 6 SDs, 0 SdLazy, 7 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.5ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf100 lsp46 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf95 smp100 dnf100 smp100 tf110 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 60ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 20:10:30,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-21 20:10:30,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d302ad45-63f4-497d-8588-84902a960ad8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...