./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/NO_03.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107ecac2-884e-40a8-a719-48e7caee2b07/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107ecac2-884e-40a8-a719-48e7caee2b07/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107ecac2-884e-40a8-a719-48e7caee2b07/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107ecac2-884e-40a8-a719-48e7caee2b07/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/NO_03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107ecac2-884e-40a8-a719-48e7caee2b07/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107ecac2-884e-40a8-a719-48e7caee2b07/bin/uautomizer-UnR33cPsHg --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 57953bf177b77bdcba210d5dce369395d242a617ef951a05d4a0af10ca288ca4 ........................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:44:41,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:44:41,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:44:41,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:44:41,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:44:41,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:44:41,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:44:41,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:44:41,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:44:41,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:44:41,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:44:41,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:44:41,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:44:41,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:44:41,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:44:41,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:44:41,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:44:41,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:44:41,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:44:41,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:44:41,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:44:41,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:44:41,796 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:44:41,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:44:41,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:44:41,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:44:41,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:44:41,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:44:41,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:44:41,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:44:41,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:44:41,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:44:41,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:44:41,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:44:41,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:44:41,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:44:41,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:44:41,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:44:41,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:44:41,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:44:41,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:44:41,814 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107ecac2-884e-40a8-a719-48e7caee2b07/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 08:44:41,838 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:44:41,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:44:41,839 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:44:41,839 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:44:41,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:44:41,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:44:41,841 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:44:41,841 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 08:44:41,841 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 08:44:41,841 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 08:44:41,842 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 08:44:41,842 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 08:44:41,842 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 08:44:41,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:44:41,842 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 08:44:41,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:44:41,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:44:41,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 08:44:41,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 08:44:41,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 08:44:41,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:44:41,844 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 08:44:41,844 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:44:41,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 08:44:41,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:44:41,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:44:41,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:44:41,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:44:41,846 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:44:41,847 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 08:44:41,847 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_107ecac2-884e-40a8-a719-48e7caee2b07/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107ecac2-884e-40a8-a719-48e7caee2b07/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57953bf177b77bdcba210d5dce369395d242a617ef951a05d4a0af10ca288ca4 [2021-10-28 08:44:42,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:44:42,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:44:42,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:44:42,126 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:44:42,128 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:44:42,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107ecac2-884e-40a8-a719-48e7caee2b07/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/termination-restricted-15/NO_03.c [2021-10-28 08:44:42,224 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107ecac2-884e-40a8-a719-48e7caee2b07/bin/uautomizer-UnR33cPsHg/data/8ad5bf0f8/6ad3853f715a4149b30528ebe51c58e5/FLAG72cb51a20 [2021-10-28 08:44:42,682 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:44:42,683 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107ecac2-884e-40a8-a719-48e7caee2b07/sv-benchmarks/c/termination-restricted-15/NO_03.c [2021-10-28 08:44:42,693 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107ecac2-884e-40a8-a719-48e7caee2b07/bin/uautomizer-UnR33cPsHg/data/8ad5bf0f8/6ad3853f715a4149b30528ebe51c58e5/FLAG72cb51a20 [2021-10-28 08:44:43,067 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107ecac2-884e-40a8-a719-48e7caee2b07/bin/uautomizer-UnR33cPsHg/data/8ad5bf0f8/6ad3853f715a4149b30528ebe51c58e5 [2021-10-28 08:44:43,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:44:43,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:44:43,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:44:43,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:44:43,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:44:43,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:44:43" (1/1) ... [2021-10-28 08:44:43,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f4a1a8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:43, skipping insertion in model container [2021-10-28 08:44:43,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:44:43" (1/1) ... [2021-10-28 08:44:43,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:44:43,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:44:43,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:44:43,277 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:44:43,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:44:43,302 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:44:43,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:43 WrapperNode [2021-10-28 08:44:43,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:44:43,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:44:43,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:44:43,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:44:43,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:43" (1/1) ... [2021-10-28 08:44:43,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:43" (1/1) ... [2021-10-28 08:44:43,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:44:43,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:44:43,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:44:43,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:44:43,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:43" (1/1) ... [2021-10-28 08:44:43,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:43" (1/1) ... [2021-10-28 08:44:43,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:43" (1/1) ... [2021-10-28 08:44:43,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:43" (1/1) ... [2021-10-28 08:44:43,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:43" (1/1) ... [2021-10-28 08:44:43,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:43" (1/1) ... [2021-10-28 08:44:43,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:43" (1/1) ... [2021-10-28 08:44:43,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:44:43,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:44:43,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:44:43,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:44:43,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:43" (1/1) ... [2021-10-28 08:44:43,364 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:44:43,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107ecac2-884e-40a8-a719-48e7caee2b07/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:44:43,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107ecac2-884e-40a8-a719-48e7caee2b07/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:44:43,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107ecac2-884e-40a8-a719-48e7caee2b07/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 08:44:43,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:44:43,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:44:43,571 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:44:43,571 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-28 08:44:43,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:44:43 BoogieIcfgContainer [2021-10-28 08:44:43,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:44:43,575 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 08:44:43,575 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 08:44:43,578 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 08:44:43,579 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:44:43,580 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 08:44:43" (1/3) ... [2021-10-28 08:44:43,581 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1af118c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:44:43, skipping insertion in model container [2021-10-28 08:44:43,582 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:44:43,582 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:44:43" (2/3) ... [2021-10-28 08:44:43,582 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1af118c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:44:43, skipping insertion in model container [2021-10-28 08:44:43,582 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:44:43,583 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:44:43" (3/3) ... [2021-10-28 08:44:43,584 INFO L389 chiAutomizerObserver]: Analyzing ICFG NO_03.c [2021-10-28 08:44:43,631 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 08:44:43,632 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 08:44:43,632 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 08:44:43,632 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 08:44:43,632 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 08:44:43,633 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 08:44:43,633 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 08:44:43,633 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 08:44:43,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:44:43,663 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 08:44:43,663 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:44:43,664 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:44:43,669 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 08:44:43,670 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 08:44:43,670 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 08:44:43,670 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:44:43,671 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 08:44:43,671 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:44:43,672 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:44:43,672 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 08:44:43,672 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 08:44:43,679 INFO L791 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~i~0, main_~j~0;havoc main_~i~0;havoc main_~j~0;main_~i~0 := 0; 5#L10-2true [2021-10-28 08:44:43,679 INFO L793 eck$LassoCheckResult]: Loop: 5#L10-2true assume !!(main_~i~0 < 100);main_~j~0 := 0; 3#L12-2true assume !(main_~j~0 < 1); 8#L12-3true main_~i~0 := main_~i~0; 5#L10-2true [2021-10-28 08:44:43,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:43,686 INFO L85 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-28 08:44:43,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:43,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152308222] [2021-10-28 08:44:43,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:43,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:43,758 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:44:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:43,775 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:44:43,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:43,778 INFO L85 PathProgramCache]: Analyzing trace with hash 39951, now seen corresponding path program 1 times [2021-10-28 08:44:43,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:43,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701535299] [2021-10-28 08:44:43,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:43,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:44:43,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:44:43,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:44:43,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701535299] [2021-10-28 08:44:43,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701535299] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:44:43,844 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:44:43,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:44:43,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64920753] [2021-10-28 08:44:43,850 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 08:44:43,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:44:43,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:44:43,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:44:43,868 INFO L87 Difference]: Start difference. First operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:44:43,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:44:43,883 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2021-10-28 08:44:43,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:44:43,886 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2021-10-28 08:44:43,887 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 08:44:43,890 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 5 states and 6 transitions. [2021-10-28 08:44:43,891 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2021-10-28 08:44:43,891 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2021-10-28 08:44:43,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 6 transitions. [2021-10-28 08:44:43,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:44:43,892 INFO L681 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2021-10-28 08:44:43,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 6 transitions. [2021-10-28 08:44:43,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2021-10-28 08:44:43,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 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) [2021-10-28 08:44:43,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2021-10-28 08:44:43,919 INFO L704 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2021-10-28 08:44:43,919 INFO L587 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2021-10-28 08:44:43,919 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 08:44:43,920 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 6 transitions. [2021-10-28 08:44:43,920 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 08:44:43,920 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:44:43,920 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:44:43,921 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 08:44:43,921 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 08:44:43,921 INFO L791 eck$LassoCheckResult]: Stem: 29#ULTIMATE.startENTRY havoc main_#res;havoc main_~i~0, main_~j~0;havoc main_~i~0;havoc main_~j~0;main_~i~0 := 0; 28#L10-2 [2021-10-28 08:44:43,921 INFO L793 eck$LassoCheckResult]: Loop: 28#L10-2 assume !!(main_~i~0 < 100);main_~j~0 := 0; 26#L12-2 assume !!(main_~j~0 < 1);main_~j~0 := 1 + main_~j~0; 27#L12-2 assume !(main_~j~0 < 1); 30#L12-3 main_~i~0 := main_~i~0; 28#L10-2 [2021-10-28 08:44:43,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:43,922 INFO L85 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2021-10-28 08:44:43,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:43,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844203491] [2021-10-28 08:44:43,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:43,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:43,928 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:44:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:43,932 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:44:43,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:43,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1240240, now seen corresponding path program 1 times [2021-10-28 08:44:43,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:43,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533792113] [2021-10-28 08:44:43,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:43,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:43,943 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:44:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:43,950 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:44:43,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:44:43,951 INFO L85 PathProgramCache]: Analyzing trace with hash 29869391, now seen corresponding path program 1 times [2021-10-28 08:44:43,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:44:43,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776181048] [2021-10-28 08:44:43,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:44:43,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:44:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:43,960 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:44:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:44:43,967 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:44:44,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 08:44:44 BoogieIcfgContainer [2021-10-28 08:44:44,143 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 08:44:44,144 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:44:44,144 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:44:44,144 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:44:44,145 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:44:43" (3/4) ... [2021-10-28 08:44:44,148 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 08:44:44,178 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107ecac2-884e-40a8-a719-48e7caee2b07/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 08:44:44,178 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:44:44,180 INFO L168 Benchmark]: Toolchain (without parser) took 1107.25 ms. Allocated memory is still 134.2 MB. Free memory was 99.9 MB in the beginning and 74.1 MB in the end (delta: 25.8 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. [2021-10-28 08:44:44,181 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 88.1 MB. Free memory was 58.7 MB in the beginning and 58.7 MB in the end (delta: 27.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:44:44,182 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.77 ms. Allocated memory is still 134.2 MB. Free memory was 99.9 MB in the beginning and 111.4 MB in the end (delta: -11.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:44:44,183 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.71 ms. Allocated memory is still 134.2 MB. Free memory was 111.4 MB in the beginning and 110.5 MB in the end (delta: 937.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:44:44,184 INFO L168 Benchmark]: Boogie Preprocessor took 17.59 ms. Allocated memory is still 134.2 MB. Free memory was 110.2 MB in the beginning and 109.3 MB in the end (delta: 911.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:44:44,185 INFO L168 Benchmark]: RCFGBuilder took 221.02 ms. Allocated memory is still 134.2 MB. Free memory was 109.3 MB in the beginning and 101.4 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:44:44,186 INFO L168 Benchmark]: BuchiAutomizer took 568.37 ms. Allocated memory is still 134.2 MB. Free memory was 100.9 MB in the beginning and 75.7 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:44:44,187 INFO L168 Benchmark]: Witness Printer took 34.22 ms. Allocated memory is still 134.2 MB. Free memory was 75.7 MB in the beginning and 74.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:44:44,192 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 88.1 MB. Free memory was 58.7 MB in the beginning and 58.7 MB in the end (delta: 27.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 230.77 ms. Allocated memory is still 134.2 MB. Free memory was 99.9 MB in the beginning and 111.4 MB in the end (delta: -11.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.71 ms. Allocated memory is still 134.2 MB. Free memory was 111.4 MB in the beginning and 110.5 MB in the end (delta: 937.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.59 ms. Allocated memory is still 134.2 MB. Free memory was 110.2 MB in the beginning and 109.3 MB in the end (delta: 911.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 221.02 ms. Allocated memory is still 134.2 MB. Free memory was 109.3 MB in the beginning and 101.4 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 568.37 ms. Allocated memory is still 134.2 MB. Free memory was 100.9 MB in the beginning and 75.7 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Witness Printer took 34.22 ms. Allocated memory is still 134.2 MB. Free memory was 75.7 MB in the beginning and 74.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. 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 (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 10]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {\result=0, i=0, j=1} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 10]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] int j; [L8] i = 0 Loop: [L10] COND TRUE i < 100 [L11] j = 0 [L12] COND TRUE j < 1 [L13] j = j+1 [L12] COND FALSE !(j < 1) [L15] i = i+0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 08:44:44,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107ecac2-884e-40a8-a719-48e7caee2b07/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...