./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/sum04-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/sum04-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G --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 32bit --witnessprinter.graph.data.programhash aaea6fef281249794f41087d72bdcfa92bd0b0609c0833888767b94608daa7f2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:57:38,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:57:38,762 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:57:38,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:57:38,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:57:38,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:57:38,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:57:38,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:57:38,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:57:38,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:57:38,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:57:38,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:57:38,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:57:38,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:57:38,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:57:38,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:57:38,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:57:38,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:57:38,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:57:38,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:57:38,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:57:38,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:57:38,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:57:38,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:57:38,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:57:38,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:57:38,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:57:38,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:57:38,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:57:38,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:57:38,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:57:38,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:57:38,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:57:38,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:57:38,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:57:38,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:57:38,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:57:38,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:57:38,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:57:38,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:57:38,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:57:38,906 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-23 13:57:38,952 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:57:38,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:57:38,953 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:57:38,954 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:57:38,955 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:57:38,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:57:38,955 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:57:38,956 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 13:57:38,956 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 13:57:38,956 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 13:57:38,957 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 13:57:38,957 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 13:57:38,958 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 13:57:38,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:57:38,958 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:57:38,958 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 13:57:38,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:57:38,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:57:38,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:57:38,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 13:57:38,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 13:57:38,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 13:57:38,959 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:57:38,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:57:38,960 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 13:57:38,960 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:57:38,961 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 13:57:38,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:57:38,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:57:38,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:57:38,962 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:57:38,963 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:57:38,964 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 13:57:38,964 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_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aaea6fef281249794f41087d72bdcfa92bd0b0609c0833888767b94608daa7f2 [2021-11-23 13:57:39,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:57:39,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:57:39,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:57:39,267 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:57:39,268 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:57:39,270 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/loops/sum04-2.i [2021-11-23 13:57:39,348 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/data/8617b6a52/8a82677d41264f96bb299116b35358a1/FLAG717413149 [2021-11-23 13:57:39,825 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:57:39,826 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/sv-benchmarks/c/loops/sum04-2.i [2021-11-23 13:57:39,839 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/data/8617b6a52/8a82677d41264f96bb299116b35358a1/FLAG717413149 [2021-11-23 13:57:40,186 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/data/8617b6a52/8a82677d41264f96bb299116b35358a1 [2021-11-23 13:57:40,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:57:40,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:57:40,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:57:40,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:57:40,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:57:40,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:57:40" (1/1) ... [2021-11-23 13:57:40,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c8e7016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:40, skipping insertion in model container [2021-11-23 13:57:40,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:57:40" (1/1) ... [2021-11-23 13:57:40,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:57:40,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:57:40,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/sv-benchmarks/c/loops/sum04-2.i[808,821] [2021-11-23 13:57:40,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:57:40,472 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:57:40,492 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/sv-benchmarks/c/loops/sum04-2.i[808,821] [2021-11-23 13:57:40,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:57:40,516 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:57:40,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:40 WrapperNode [2021-11-23 13:57:40,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:57:40,519 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:57:40,519 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:57:40,519 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:57:40,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:40" (1/1) ... [2021-11-23 13:57:40,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:40" (1/1) ... [2021-11-23 13:57:40,567 INFO L137 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2021-11-23 13:57:40,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:57:40,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:57:40,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:57:40,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:57:40,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:40" (1/1) ... [2021-11-23 13:57:40,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:40" (1/1) ... [2021-11-23 13:57:40,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:40" (1/1) ... [2021-11-23 13:57:40,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:40" (1/1) ... [2021-11-23 13:57:40,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:40" (1/1) ... [2021-11-23 13:57:40,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:40" (1/1) ... [2021-11-23 13:57:40,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:40" (1/1) ... [2021-11-23 13:57:40,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:57:40,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:57:40,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:57:40,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:57:40,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:40" (1/1) ... [2021-11-23 13:57:40,608 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:57:40,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:57:40,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:57:40,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 13:57:40,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:57:40,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 13:57:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:57:40,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:57:40,755 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:57:40,756 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:57:40,835 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:57:40,841 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:57:40,841 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 13:57:40,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:57:40 BoogieIcfgContainer [2021-11-23 13:57:40,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:57:40,843 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 13:57:40,843 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 13:57:40,846 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 13:57:40,847 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:57:40,847 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 01:57:40" (1/3) ... [2021-11-23 13:57:40,849 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5662b154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:57:40, skipping insertion in model container [2021-11-23 13:57:40,849 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:57:40,849 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:40" (2/3) ... [2021-11-23 13:57:40,850 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5662b154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:57:40, skipping insertion in model container [2021-11-23 13:57:40,850 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:57:40,850 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:57:40" (3/3) ... [2021-11-23 13:57:40,851 INFO L388 chiAutomizerObserver]: Analyzing ICFG sum04-2.i [2021-11-23 13:57:40,899 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 13:57:40,899 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 13:57:40,899 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 13:57:40,899 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 13:57:40,899 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 13:57:40,899 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 13:57:40,899 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 13:57:40,900 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 13:57:40,920 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:57:40,937 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-23 13:57:40,937 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 13:57:40,937 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 13:57:40,942 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-23 13:57:40,942 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-23 13:57:40,942 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-23 13:57:40,942 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:57:40,943 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-23 13:57:40,944 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 13:57:40,944 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 13:57:40,944 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-23 13:57:40,944 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-23 13:57:40,950 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post1#1, main_~i~0#1, main_~sn~0#1;havoc main_~i~0#1;main_~sn~0#1 := 0;main_~i~0#1 := 1; 10#L24-3true [2021-11-23 13:57:40,950 INFO L793 eck$LassoCheckResult]: Loop: 10#L24-3true assume !!(main_~i~0#1 <= 8);main_~sn~0#1 := 2 + main_~sn~0#1; 7#L24-2true main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 10#L24-3true [2021-11-23 13:57:40,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:57:40,955 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-23 13:57:40,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:57:40,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913779953] [2021-11-23 13:57:40,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:57:40,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:57:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:57:41,047 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:57:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:57:41,079 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:57:41,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:57:41,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-11-23 13:57:41,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:57:41,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557372885] [2021-11-23 13:57:41,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:57:41,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:57:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:57:41,114 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:57:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:57:41,129 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:57:41,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:57:41,132 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-11-23 13:57:41,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:57:41,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904312770] [2021-11-23 13:57:41,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:57:41,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:57:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:57:41,154 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:57:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:57:41,188 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:57:41,298 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 13:57:41,299 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 13:57:41,299 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 13:57:41,299 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 13:57:41,299 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 13:57:41,300 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:57:41,300 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 13:57:41,300 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 13:57:41,300 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum04-2.i_Iteration1_Loop [2021-11-23 13:57:41,300 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 13:57:41,301 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 13:57:41,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:57:41,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:57:41,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:57:41,380 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 13:57:41,381 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 13:57:41,383 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:57:41,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:57:41,394 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:57:41,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-23 13:57:41,423 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 13:57:41,424 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:57:41,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-23 13:57:41,480 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:57:41,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:57:41,482 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:57:41,487 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 13:57:41,488 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:57:41,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-23 13:57:41,528 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 13:57:41,529 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~sn~0#1=0} Honda state: {ULTIMATE.start_main_~sn~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~sn~0#1=4}, {ULTIMATE.start_main_~sn~0#1=0}, {ULTIMATE.start_main_~sn~0#1=-2}] Lambdas: [1, 6, 1] Nus: [0, 0] [2021-11-23 13:57:41,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-23 13:57:41,566 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:57:41,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:57:41,567 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:57:41,573 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 13:57:41,574 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:57:41,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-23 13:57:41,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-23 13:57:41,636 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:57:41,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:57:41,638 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:57:41,646 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 13:57:41,647 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:57:41,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-23 13:57:41,707 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-23 13:57:41,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-23 13:57:41,715 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 13:57:41,715 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 13:57:41,715 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 13:57:41,715 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 13:57:41,715 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 13:57:41,715 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:57:41,715 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 13:57:41,715 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 13:57:41,716 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum04-2.i_Iteration1_Loop [2021-11-23 13:57:41,716 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 13:57:41,716 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 13:57:41,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:57:41,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:57:41,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:57:41,798 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 13:57:41,802 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 13:57:41,804 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:57:41,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:57:41,818 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:57:41,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 13:57:41,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:57:41,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:57:41,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:57:41,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:57:41,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:57:41,841 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:57:41,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:57:41,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-23 13:57:41,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:57:41,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-23 13:57:41,891 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:57:41,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:57:41,892 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:57:41,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-23 13:57:41,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 13:57:41,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:57:41,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:57:41,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:57:41,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:57:41,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:57:41,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:57:41,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:57:41,924 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 13:57:41,932 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-23 13:57:41,932 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-23 13:57:41,934 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:57:41,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:57:41,941 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:57:41,959 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 13:57:41,959 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-23 13:57:41,959 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 13:57:41,960 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 17 Supporting invariants [] [2021-11-23 13:57:41,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-23 13:57:41,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-23 13:57:41,999 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-23 13:57:42,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:57:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:57:42,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 13:57:42,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:57:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:57:42,076 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 13:57:42,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:57:42,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:57:42,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-23 13:57:42,206 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 [2021-11-23 13:57:42,207 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:57:42,265 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 27 states and 33 transitions. Complement of second has 7 states. [2021-11-23 13:57:42,266 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 [2021-11-23 13:57:42,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:57:42,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2021-11-23 13:57:42,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 2 letters. Loop has 2 letters. [2021-11-23 13:57:42,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:57:42,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 4 letters. Loop has 2 letters. [2021-11-23 13:57:42,279 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:57:42,279 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 2 letters. Loop has 4 letters. [2021-11-23 13:57:42,279 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:57:42,280 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 33 transitions. [2021-11-23 13:57:42,282 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-23 13:57:42,285 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2021-11-23 13:57:42,286 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-23 13:57:42,286 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-23 13:57:42,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-23 13:57:42,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:57:42,287 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 13:57:42,287 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 13:57:42,287 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 13:57:42,287 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-23 13:57:42,288 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-23 13:57:42,288 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-23 13:57:42,288 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-23 13:57:42,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 01:57:42 BoogieIcfgContainer [2021-11-23 13:57:42,296 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-23 13:57:42,297 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:57:42,297 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:57:42,298 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:57:42,299 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:57:40" (3/4) ... [2021-11-23 13:57:42,302 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 13:57:42,303 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:57:42,305 INFO L158 Benchmark]: Toolchain (without parser) took 2114.43ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 62.2MB in the beginning and 99.8MB in the end (delta: -37.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:57:42,306 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:57:42,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.73ms. Allocated memory is still 104.9MB. Free memory was 62.0MB in the beginning and 78.9MB in the end (delta: -16.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 13:57:42,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.94ms. Allocated memory is still 104.9MB. Free memory was 78.9MB in the beginning and 77.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:57:42,315 INFO L158 Benchmark]: Boogie Preprocessor took 28.92ms. Allocated memory is still 104.9MB. Free memory was 77.2MB in the beginning and 76.5MB in the end (delta: 736.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:57:42,317 INFO L158 Benchmark]: RCFGBuilder took 244.14ms. Allocated memory is still 104.9MB. Free memory was 76.5MB in the beginning and 67.6MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 13:57:42,318 INFO L158 Benchmark]: BuchiAutomizer took 1452.61ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 67.6MB in the beginning and 100.7MB in the end (delta: -33.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:57:42,318 INFO L158 Benchmark]: Witness Printer took 6.44ms. Allocated memory is still 127.9MB. Free memory was 100.7MB in the beginning and 99.8MB in the end (delta: 947.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:57:42,328 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.73ms. Allocated memory is still 104.9MB. Free memory was 62.0MB in the beginning and 78.9MB in the end (delta: -16.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.94ms. Allocated memory is still 104.9MB. Free memory was 78.9MB in the beginning and 77.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.92ms. Allocated memory is still 104.9MB. Free memory was 77.2MB in the beginning and 76.5MB in the end (delta: 736.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 244.14ms. Allocated memory is still 104.9MB. Free memory was 76.5MB in the beginning and 67.6MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1452.61ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 67.6MB in the beginning and 100.7MB in the end (delta: -33.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.44ms. Allocated memory is still 127.9MB. Free memory was 100.7MB in the beginning and 99.8MB in the end (delta: 947.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 17 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 8 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 55ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-23 13:57:42,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b97480d-f267-4306-8b73-22ad9bafb5b8/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE