./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/sum01_bug02.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/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_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/sum01_bug02.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/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 32bit --witnessprinter.graph.data.programhash 3ebd5f9cdc53e2fed65e094e0a8b688f7bb2226007ad46e7ae7df20c2e5d5f11 .............................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:23:36,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:23:36,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:23:36,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:23:36,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:23:36,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:23:36,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:23:36,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:23:36,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:23:36,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:23:36,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:23:36,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:23:36,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:23:36,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:23:36,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:23:36,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:23:36,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:23:36,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:23:36,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:23:36,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:23:36,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:23:36,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:23:36,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:23:36,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:23:36,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:23:36,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:23:36,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:23:36,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:23:36,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:23:36,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:23:36,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:23:36,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:23:36,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:23:36,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:23:36,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:23:36,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:23:36,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:23:36,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:23:36,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:23:36,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:23:36,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:23:36,737 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:23:36,786 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:23:36,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:23:36,787 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:23:36,787 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:23:36,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:23:36,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:23:36,789 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:23:36,789 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:23:36,789 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:23:36,790 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:23:36,791 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:23:36,791 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:23:36,791 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:23:36,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:23:36,792 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:23:36,792 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:23:36,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:23:36,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:23:36,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:23:36,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:23:36,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:23:36,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:23:36,793 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:23:36,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:23:36,793 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:23:36,794 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:23:36,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:23:36,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:23:36,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:23:36,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:23:36,796 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:23:36,796 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:23:36,798 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:23:36,798 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_aebf5075-067c-4c01-9f6f-0b6fd198986b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ebd5f9cdc53e2fed65e094e0a8b688f7bb2226007ad46e7ae7df20c2e5d5f11 [2021-10-28 09:23:37,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:23:37,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:23:37,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:23:37,150 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:23:37,151 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:23:37,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/loops/sum01_bug02.i [2021-10-28 09:23:37,235 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/data/8d4e97734/47e33fa0f4b14c63b39e4c5709171a1e/FLAG9a461dae3 [2021-10-28 09:23:37,702 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:23:37,703 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/sv-benchmarks/c/loops/sum01_bug02.i [2021-10-28 09:23:37,713 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/data/8d4e97734/47e33fa0f4b14c63b39e4c5709171a1e/FLAG9a461dae3 [2021-10-28 09:23:38,067 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/data/8d4e97734/47e33fa0f4b14c63b39e4c5709171a1e [2021-10-28 09:23:38,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:23:38,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:23:38,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:23:38,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:23:38,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:23:38,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:23:38" (1/1) ... [2021-10-28 09:23:38,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b0019b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:38, skipping insertion in model container [2021-10-28 09:23:38,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:23:38" (1/1) ... [2021-10-28 09:23:38,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:23:38,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:23:38,378 WARN L228 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_aebf5075-067c-4c01-9f6f-0b6fd198986b/sv-benchmarks/c/loops/sum01_bug02.i[812,825] [2021-10-28 09:23:38,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:23:38,407 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:23:38,421 WARN L228 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_aebf5075-067c-4c01-9f6f-0b6fd198986b/sv-benchmarks/c/loops/sum01_bug02.i[812,825] [2021-10-28 09:23:38,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:23:38,444 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:23:38,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:38 WrapperNode [2021-10-28 09:23:38,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:23:38,447 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:23:38,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:23:38,448 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:23:38,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:38" (1/1) ... [2021-10-28 09:23:38,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:38" (1/1) ... [2021-10-28 09:23:38,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:23:38,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:23:38,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:23:38,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:23:38,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:38" (1/1) ... [2021-10-28 09:23:38,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:38" (1/1) ... [2021-10-28 09:23:38,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:38" (1/1) ... [2021-10-28 09:23:38,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:38" (1/1) ... [2021-10-28 09:23:38,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:38" (1/1) ... [2021-10-28 09:23:38,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:38" (1/1) ... [2021-10-28 09:23:38,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:38" (1/1) ... [2021-10-28 09:23:38,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:23:38,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:23:38,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:23:38,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:23:38,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:38" (1/1) ... [2021-10-28 09:23:38,539 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:38,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:38,567 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:23:38,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:23:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:23:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:23:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:23:38,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:23:38,823 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:23:38,824 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 09:23:38,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:23:38 BoogieIcfgContainer [2021-10-28 09:23:38,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:23:38,827 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:23:38,827 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:23:38,831 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:23:38,832 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:23:38,832 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:23:38" (1/3) ... [2021-10-28 09:23:38,833 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e0a257c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:23:38, skipping insertion in model container [2021-10-28 09:23:38,834 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:23:38,834 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:23:38" (2/3) ... [2021-10-28 09:23:38,834 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e0a257c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:23:38, skipping insertion in model container [2021-10-28 09:23:38,834 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:23:38,835 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:23:38" (3/3) ... [2021-10-28 09:23:38,836 INFO L389 chiAutomizerObserver]: Analyzing ICFG sum01_bug02.i [2021-10-28 09:23:38,879 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:23:38,879 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:23:38,879 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:23:38,880 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:23:38,880 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:23:38,880 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:23:38,880 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:23:38,880 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:23:38,895 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:38,912 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:23:38,913 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:23:38,913 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:23:38,918 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 09:23:38,919 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:23:38,919 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:23:38,919 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:38,921 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:23:38,921 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:23:38,921 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:23:38,922 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 09:23:38,922 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:23:38,929 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(14); 10#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~post5, main_#t~post4, main_~i~0, main_~j~0, main_~n~0, main_~sn~0;havoc main_~i~0;main_~j~0 := 10;main_~n~0 := (if main_#t~nondet3 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet3 % 4294967296 % 4294967296 else main_#t~nondet3 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet3;main_~sn~0 := 0;main_~i~0 := 1; 11#L24-3true [2021-10-28 09:23:38,929 INFO L793 eck$LassoCheckResult]: Loop: 11#L24-3true assume !!(main_~i~0 <= main_~n~0); 8#L25true assume main_~i~0 < main_~j~0;main_~sn~0 := 2 + main_~sn~0; 5#L25-2true main_#t~post5 := main_~j~0;main_~j~0 := main_#t~post5 - 1;havoc main_#t~post5; 7#L24-2true main_#t~post4 := main_~i~0;main_~i~0 := 1 + main_#t~post4;havoc main_#t~post4; 11#L24-3true [2021-10-28 09:23:38,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:38,936 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-28 09:23:38,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:23:38,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223819774] [2021-10-28 09:23:38,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:23:38,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:23:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:23:39,052 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:23:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:23:39,092 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:23:39,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:39,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1234470, now seen corresponding path program 1 times [2021-10-28 09:23:39,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:23:39,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34580996] [2021-10-28 09:23:39,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:23:39,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:23:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:23:39,105 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:23:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:23:39,113 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:23:39,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:39,115 INFO L85 PathProgramCache]: Analyzing trace with hash 889661672, now seen corresponding path program 1 times [2021-10-28 09:23:39,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:23:39,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886864050] [2021-10-28 09:23:39,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:23:39,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:23:39,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:23:39,142 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:23:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:23:39,166 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:23:39,248 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:23:39,248 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:23:39,249 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:23:39,249 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:23:39,249 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:23:39,249 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:39,249 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:23:39,250 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:23:39,250 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02.i_Iteration1_Loop [2021-10-28 09:23:39,250 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:23:39,250 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:23:39,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:23:39,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:23:39,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:23:39,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:23:39,357 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:23:39,358 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:23:39,360 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:39,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:39,378 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:23:39,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:23:39,398 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:23:39,398 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:23:39,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-28 09:23:39,446 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:39,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:39,448 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:23:39,458 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:23:39,459 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:23:39,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:23:39,496 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:23:39,497 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~sn~0=0} Honda state: {ULTIMATE.start_main_~sn~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~sn~0=-1}, {ULTIMATE.start_main_~sn~0=3}, {ULTIMATE.start_main_~sn~0=0}] Lambdas: [4, 1, 0] Nus: [1, 1] [2021-10-28 09:23:39,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:23:39,520 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:39,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:39,522 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:23:39,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:23:39,528 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:23:39,529 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:23:39,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:23:39,571 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:39,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:39,583 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:23:39,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:23:39,586 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:23:39,586 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:23:39,801 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:23:39,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:23:39,808 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:23:39,808 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:23:39,808 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:23:39,808 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:23:39,809 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:23:39,809 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:39,809 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:23:39,809 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:23:39,809 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01_bug02.i_Iteration1_Loop [2021-10-28 09:23:39,809 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:23:39,809 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:23:39,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:23:39,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:23:39,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:23:39,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:23:39,905 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:23:39,910 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:23:39,911 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:39,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:39,914 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:23:39,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:23:39,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:23:39,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:23:39,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:23:39,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:23:39,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:23:39,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:23:39,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:23:39,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:23:39,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:23:39,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:23:39,987 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:39,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:39,988 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:23:39,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:23:39,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:23:40,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:23:40,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:23:40,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:23:40,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:23:40,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:23:40,008 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:23:40,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:23:40,032 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:23:40,044 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:23:40,044 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 09:23:40,046 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:23:40,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:23:40,048 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:23:40,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:23:40,053 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:23:40,053 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:23:40,053 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:23:40,054 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0) = 2*ULTIMATE.start_main_~n~0 - 2*ULTIMATE.start_main_~i~0 + 1 Supporting invariants [] [2021-10-28 09:23:40,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:23:40,081 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:23:40,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:23:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:23:40,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:23:40,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:23:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:23:40,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:23:40,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:23:40,270 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 09:23:40,285 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:23:40,287 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:40,337 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 36 transitions. Complement of second has 7 states. [2021-10-28 09:23:40,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 09:23:40,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:23:40,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2021-10-28 09:23:40,342 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 2 letters. Loop has 4 letters. [2021-10-28 09:23:40,343 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:23:40,343 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-28 09:23:40,343 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:23:40,343 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 2 letters. Loop has 8 letters. [2021-10-28 09:23:40,344 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:23:40,344 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 36 transitions. [2021-10-28 09:23:40,347 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:23:40,350 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2021-10-28 09:23:40,351 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:23:40,351 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:23:40,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:23:40,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:23:40,352 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:23:40,352 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:23:40,352 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:23:40,353 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:23:40,353 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:23:40,353 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:23:40,353 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:23:40,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:23:40 BoogieIcfgContainer [2021-10-28 09:23:40,359 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:23:40,359 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:23:40,360 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:23:40,360 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:23:40,360 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:23:38" (3/4) ... [2021-10-28 09:23:40,363 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:23:40,363 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:23:40,365 INFO L168 Benchmark]: Toolchain (without parser) took 2293.18 ms. Allocated memory was 96.5 MB in the beginning and 121.6 MB in the end (delta: 25.2 MB). Free memory was 54.7 MB in the beginning and 80.2 MB in the end (delta: -25.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:23:40,366 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 96.5 MB. Free memory is still 70.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:23:40,366 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.40 ms. Allocated memory is still 96.5 MB. Free memory was 54.5 MB in the beginning and 70.7 MB in the end (delta: -16.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:23:40,367 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.09 ms. Allocated memory is still 96.5 MB. Free memory was 70.7 MB in the beginning and 69.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:23:40,368 INFO L168 Benchmark]: Boogie Preprocessor took 42.37 ms. Allocated memory is still 96.5 MB. Free memory was 69.1 MB in the beginning and 68.4 MB in the end (delta: 721.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:23:40,368 INFO L168 Benchmark]: RCFGBuilder took 297.04 ms. Allocated memory is still 96.5 MB. Free memory was 68.1 MB in the beginning and 59.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:23:40,369 INFO L168 Benchmark]: BuchiAutomizer took 1531.62 ms. Allocated memory was 96.5 MB in the beginning and 121.6 MB in the end (delta: 25.2 MB). Free memory was 59.2 MB in the beginning and 80.7 MB in the end (delta: -21.5 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:23:40,370 INFO L168 Benchmark]: Witness Printer took 4.01 ms. Allocated memory is still 121.6 MB. Free memory was 80.7 MB in the beginning and 80.2 MB in the end (delta: 546.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:23:40,373 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 96.5 MB. Free memory is still 70.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 373.40 ms. Allocated memory is still 96.5 MB. Free memory was 54.5 MB in the beginning and 70.7 MB in the end (delta: -16.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.09 ms. Allocated memory is still 96.5 MB. Free memory was 70.7 MB in the beginning and 69.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.37 ms. Allocated memory is still 96.5 MB. Free memory was 69.1 MB in the beginning and 68.4 MB in the end (delta: 721.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 297.04 ms. Allocated memory is still 96.5 MB. Free memory was 68.1 MB in the beginning and 59.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1531.62 ms. Allocated memory was 96.5 MB in the beginning and 121.6 MB in the end (delta: 25.2 MB). Free memory was 59.2 MB in the beginning and 80.7 MB in the end (delta: -21.5 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.01 ms. Allocated memory is still 121.6 MB. Free memory was 80.7 MB in the beginning and 80.2 MB in the end (delta: 546.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * n + -2 * i + 1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. 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: 7 SDtfs, 14 SDslu, 9 SDs, 0 SdLazy, 13 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax100 hnf100 lsp78 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf93 smp100 dnf100 smp100 tf107 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 09:23:40,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:23:40,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aebf5075-067c-4c01-9f6f-0b6fd198986b/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...