./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaB14.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaB14.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 07f4699c371f295a25887a3f67dc54332a57ae32b5b342f10fdc7ddcf36f265e .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:03:17,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:03:17,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:03:17,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:03:17,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:03:17,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:03:17,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:03:17,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:03:17,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:03:17,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:03:17,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:03:17,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:03:17,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:03:17,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:03:17,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:03:17,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:03:17,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:03:17,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:03:17,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:03:17,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:03:17,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:03:17,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:03:17,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:03:17,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:03:17,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:03:17,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:03:17,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:03:17,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:03:17,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:03:17,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:03:17,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:03:17,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:03:17,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:03:17,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:03:17,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:03:17,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:03:17,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:03:17,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:03:17,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:03:17,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:03:17,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:03:17,752 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-21 20:03:17,819 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:03:17,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:03:17,819 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:03:17,820 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:03:17,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:03:17,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:03:17,832 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:03:17,832 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:03:17,833 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:03:17,833 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:03:17,834 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:03:17,835 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:03:17,835 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:03:17,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:03:17,836 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:03:17,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:03:17,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:03:17,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:03:17,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:03:17,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:03:17,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:03:17,837 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:03:17,838 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:03:17,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:03:17,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:03:17,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:03:17,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:03:17,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:03:17,842 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:03:17,843 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:03:17,844 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_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07f4699c371f295a25887a3f67dc54332a57ae32b5b342f10fdc7ddcf36f265e [2021-10-21 20:03:18,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:03:18,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:03:18,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:03:18,240 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:03:18,241 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:03:18,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/termination-restricted-15/PastaB14.c [2021-10-21 20:03:18,315 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/data/745af9106/fb4dbbab4c6346c88c63945944988bf0/FLAG22e62cf6d [2021-10-21 20:03:18,889 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:03:18,891 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/sv-benchmarks/c/termination-restricted-15/PastaB14.c [2021-10-21 20:03:18,906 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/data/745af9106/fb4dbbab4c6346c88c63945944988bf0/FLAG22e62cf6d [2021-10-21 20:03:19,247 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/data/745af9106/fb4dbbab4c6346c88c63945944988bf0 [2021-10-21 20:03:19,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:03:19,252 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:03:19,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:03:19,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:03:19,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:03:19,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:03:19" (1/1) ... [2021-10-21 20:03:19,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b71d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:19, skipping insertion in model container [2021-10-21 20:03:19,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:03:19" (1/1) ... [2021-10-21 20:03:19,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:03:19,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:03:19,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:03:19,471 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:03:19,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:03:19,502 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:03:19,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:19 WrapperNode [2021-10-21 20:03:19,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:03:19,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:03:19,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:03:19,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:03:19,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:19" (1/1) ... [2021-10-21 20:03:19,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:19" (1/1) ... [2021-10-21 20:03:19,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:03:19,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:03:19,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:03:19,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:03:19,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:19" (1/1) ... [2021-10-21 20:03:19,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:19" (1/1) ... [2021-10-21 20:03:19,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:19" (1/1) ... [2021-10-21 20:03:19,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:19" (1/1) ... [2021-10-21 20:03:19,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:19" (1/1) ... [2021-10-21 20:03:19,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:19" (1/1) ... [2021-10-21 20:03:19,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:19" (1/1) ... [2021-10-21 20:03:19,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:03:19,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:03:19,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:03:19,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:03:19,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:19" (1/1) ... [2021-10-21 20:03:19,576 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:19,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:19,611 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:03:19,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:03:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:03:19,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:03:19,834 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:03:19,834 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-21 20:03:19,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:03:19 BoogieIcfgContainer [2021-10-21 20:03:19,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:03:19,838 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:03:19,838 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:03:19,856 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:03:19,861 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:03:19,861 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:03:19" (1/3) ... [2021-10-21 20:03:19,863 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a7ac460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:03:19, skipping insertion in model container [2021-10-21 20:03:19,863 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:03:19,863 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:19" (2/3) ... [2021-10-21 20:03:19,864 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a7ac460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:03:19, skipping insertion in model container [2021-10-21 20:03:19,864 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:03:19,864 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:03:19" (3/3) ... [2021-10-21 20:03:19,865 INFO L389 chiAutomizerObserver]: Analyzing ICFG PastaB14.c [2021-10-21 20:03:19,920 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:03:19,921 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:03:19,921 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:03:19,921 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:03:19,921 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:03:19,922 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:03:19,922 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:03:19,922 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:03:19,937 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:19,966 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:03:19,967 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:03:19,967 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:03:19,974 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-21 20:03:19,975 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:03:19,975 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:03:19,975 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:19,977 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:03:19,977 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:03:19,978 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:03:19,979 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-21 20:03:19,979 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:03:19,988 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 7#L12-3true [2021-10-21 20:03:19,988 INFO L793 eck$LassoCheckResult]: Loop: 7#L12-3true assume !!(main_~x~0 == main_~y~0 && main_~x~0 > 0); 3#L12-2true assume !(main_~y~0 > 0); 7#L12-3true [2021-10-21 20:03:20,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:03:20,001 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-21 20:03:20,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:03:20,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837743053] [2021-10-21 20:03:20,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:20,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:03:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:03:20,096 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:03:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:03:20,119 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:03:20,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:03:20,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1288, now seen corresponding path program 1 times [2021-10-21 20:03:20,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:03:20,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473223453] [2021-10-21 20:03:20,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:20,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:03:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:03:20,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:03:20,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:03:20,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473223453] [2021-10-21 20:03:20,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473223453] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:03:20,250 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:03:20,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-21 20:03:20,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612109013] [2021-10-21 20:03:20,255 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:03:20,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:03:20,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:03:20,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:03:20,276 INFO L87 Difference]: Start difference. First operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:20,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:03:20,302 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2021-10-21 20:03:20,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:03:20,305 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. [2021-10-21 20:03:20,307 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 20:03:20,311 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 4 states and 5 transitions. [2021-10-21 20:03:20,312 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-10-21 20:03:20,312 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2021-10-21 20:03:20,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions. [2021-10-21 20:03:20,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:03:20,314 INFO L681 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2021-10-21 20:03:20,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions. [2021-10-21 20:03:20,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2021-10-21 20:03:20,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:20,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2021-10-21 20:03:20,344 INFO L704 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2021-10-21 20:03:20,345 INFO L587 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2021-10-21 20:03:20,345 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 20:03:20,345 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. [2021-10-21 20:03:20,346 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 20:03:20,346 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:03:20,346 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:03:20,346 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-21 20:03:20,347 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 20:03:20,347 INFO L791 eck$LassoCheckResult]: Stem: 26#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 27#L12-3 [2021-10-21 20:03:20,347 INFO L793 eck$LassoCheckResult]: Loop: 27#L12-3 assume !!(main_~x~0 == main_~y~0 && main_~x~0 > 0); 24#L12-2 assume !!(main_~y~0 > 0);main_~x~0 := main_~x~0 - 1;main_~y~0 := main_~y~0 - 1; 25#L12-2 assume !(main_~y~0 > 0); 27#L12-3 [2021-10-21 20:03:20,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:03:20,348 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2021-10-21 20:03:20,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:03:20,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58860768] [2021-10-21 20:03:20,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:20,350 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:03:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:03:20,357 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:03:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:03:20,362 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:03:20,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:03:20,363 INFO L82 PathProgramCache]: Analyzing trace with hash 40007, now seen corresponding path program 1 times [2021-10-21 20:03:20,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:03:20,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903824235] [2021-10-21 20:03:20,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:20,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:03:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:03:20,375 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:03:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:03:20,384 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:03:20,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:03:20,386 INFO L82 PathProgramCache]: Analyzing trace with hash 963528, now seen corresponding path program 1 times [2021-10-21 20:03:20,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:03:20,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614560709] [2021-10-21 20:03:20,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:03:20,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:03:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:03:20,397 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:03:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:03:20,408 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:03:20,552 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:03:20,553 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:03:20,553 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:03:20,554 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:03:20,554 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:03:20,554 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:20,554 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:03:20,554 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:03:20,555 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB14.c_Iteration2_Loop [2021-10-21 20:03:20,555 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:03:20,555 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:03:20,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:03:20,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:03:20,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:03:20,805 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:03:20,806 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:03:20,808 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:20,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:20,811 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:03:20,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 20:03:20,814 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:03:20,814 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:03:20,841 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:03:20,841 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:03:20,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:03:20,881 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:20,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:20,883 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:03:20,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 20:03:20,890 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:03:20,890 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:03:20,921 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:03:20,922 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:03:20,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:03:20,965 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:20,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:20,970 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:03:20,977 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:03:20,977 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:03:20,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 20:03:21,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:03:21,046 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:21,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:21,048 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:03:21,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 20:03:21,054 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:03:21,054 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:03:21,136 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:03:21,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:03:21,145 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:03:21,146 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:03:21,146 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:03:21,146 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:03:21,146 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:03:21,146 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:21,146 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:03:21,146 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:03:21,147 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB14.c_Iteration2_Loop [2021-10-21 20:03:21,147 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:03:21,147 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:03:21,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:03:21,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:03:21,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:03:21,310 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:03:21,316 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:03:21,318 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:21,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:21,322 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:03:21,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:03:21,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:03:21,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:03:21,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:03:21,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:03:21,356 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:03:21,356 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:03:21,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 20:03:21,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:03:21,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 20:03:21,427 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:21,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:21,428 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:03:21,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 20:03:21,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:03:21,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:03:21,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:03:21,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:03:21,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:03:21,452 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:03:21,453 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:03:21,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:03:21,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 20:03:21,524 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:21,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:21,525 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:03:21,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 20:03:21,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:03:21,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:03:21,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:03:21,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:03:21,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:03:21,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:03:21,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:03:21,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:03:21,561 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:03:21,578 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:03:21,578 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-21 20:03:21,580 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:03:21,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:03:21,584 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:03:21,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 20:03:21,614 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:03:21,614 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:03:21,614 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:03:21,615 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2021-10-21 20:03:21,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 20:03:21,670 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:03:21,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:03:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:03:21,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:03:21,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:03:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:03:21,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:03:21,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:03:21,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:03:21,772 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 20:03:21,773 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:21,824 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4 states and 5 transitions. cyclomatic complexity: 2. Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 8 states and 9 transitions. Complement of second has 6 states. [2021-10-21 20:03:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 20:03:21,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:03:21,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2021-10-21 20:03:21,827 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 1 letters. Loop has 3 letters. [2021-10-21 20:03:21,827 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:03:21,828 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 4 letters. Loop has 3 letters. [2021-10-21 20:03:21,828 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:03:21,828 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 1 letters. Loop has 6 letters. [2021-10-21 20:03:21,828 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:03:21,828 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. [2021-10-21 20:03:21,829 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:03:21,829 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 0 states and 0 transitions. [2021-10-21 20:03:21,830 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:03:21,830 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:03:21,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:03:21,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:03:21,830 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:03:21,830 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:03:21,830 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:03:21,831 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 20:03:21,831 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:03:21,831 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:03:21,831 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 20:03:21,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 08:03:21 BoogieIcfgContainer [2021-10-21 20:03:21,838 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 20:03:21,839 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:03:21,839 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:03:21,839 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:03:21,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:03:19" (3/4) ... [2021-10-21 20:03:21,844 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:03:21,844 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:03:21,846 INFO L168 Benchmark]: Toolchain (without parser) took 2592.72 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 85.7 MB in the beginning and 87.8 MB in the end (delta: -2.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:03:21,847 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 115.3 MB. Free memory was 71.0 MB in the beginning and 70.9 MB in the end (delta: 52.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:03:21,848 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.53 ms. Allocated memory is still 115.3 MB. Free memory was 85.3 MB in the beginning and 91.3 MB in the end (delta: -6.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:03:21,849 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.75 ms. Allocated memory is still 115.3 MB. Free memory was 91.3 MB in the beginning and 90.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:03:21,850 INFO L168 Benchmark]: Boogie Preprocessor took 21.78 ms. Allocated memory is still 115.3 MB. Free memory was 90.1 MB in the beginning and 89.2 MB in the end (delta: 871.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:03:21,850 INFO L168 Benchmark]: RCFGBuilder took 272.42 ms. Allocated memory is still 115.3 MB. Free memory was 88.9 MB in the beginning and 81.4 MB in the end (delta: 7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:03:21,851 INFO L168 Benchmark]: BuchiAutomizer took 2000.00 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 81.4 MB in the beginning and 88.5 MB in the end (delta: -7.1 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:03:21,852 INFO L168 Benchmark]: Witness Printer took 5.32 ms. Allocated memory is still 138.4 MB. Free memory was 88.5 MB in the beginning and 87.8 MB in the end (delta: 670.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:03:21,857 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 115.3 MB. Free memory was 71.0 MB in the beginning and 70.9 MB in the end (delta: 52.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 243.53 ms. Allocated memory is still 115.3 MB. Free memory was 85.3 MB in the beginning and 91.3 MB in the end (delta: -6.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.75 ms. Allocated memory is still 115.3 MB. Free memory was 91.3 MB in the beginning and 90.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.78 ms. Allocated memory is still 115.3 MB. Free memory was 90.1 MB in the beginning and 89.2 MB in the end (delta: 871.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 272.42 ms. Allocated memory is still 115.3 MB. Free memory was 88.9 MB in the beginning and 81.4 MB in the end (delta: 7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2000.00 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 81.4 MB in the beginning and 88.5 MB in the end (delta: -7.1 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.32 ms. Allocated memory is still 138.4 MB. Free memory was 88.5 MB in the beginning and 87.8 MB in the end (delta: 670.9 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function y and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 14.3ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 4 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/1 HoareTripleCheckerStatistics: 8 SDtfs, 2 SDslu, 3 SDs, 0 SdLazy, 11 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.1ms Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax157 hnf100 lsp63 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq176 hnf91 smp76 dnf100 smp100 tf107 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 68ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 20:03:21,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 20:03:22,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22cb21b6-e838-4d1e-b0bc-bca1f9edffca/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...