./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.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_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/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_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/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_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/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 ef201cd54bcdc81a1760f6e60d88bd9cc04c6c00c0d7306b10fb5fb0b61b4e06 ............................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 20:04:04,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:04:04,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:04:04,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:04:04,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:04:04,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:04:04,743 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:04:04,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:04:04,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:04:04,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:04:04,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:04:04,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:04:04,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:04:04,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:04:04,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:04:04,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:04:04,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:04:04,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:04:04,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:04:04,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:04:04,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:04:04,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:04:04,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:04:04,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:04:04,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:04:04,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:04:04,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:04:04,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:04:04,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:04:04,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:04:04,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:04:04,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:04:04,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:04:04,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:04:04,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:04:04,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:04:04,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:04:04,787 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:04:04,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:04:04,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:04:04,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:04:04,791 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-21 20:04:04,834 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:04:04,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:04:04,835 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:04:04,835 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:04:04,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:04:04,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:04:04,838 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:04:04,838 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:04:04,838 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:04:04,838 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:04:04,839 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:04:04,840 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:04:04,840 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:04:04,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:04:04,840 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:04:04,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:04:04,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:04:04,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:04:04,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:04:04,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:04:04,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:04:04,842 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:04:04,842 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:04:04,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:04:04,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:04:04,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:04:04,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:04:04,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:04:04,845 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:04:04,846 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:04:04,846 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_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef201cd54bcdc81a1760f6e60d88bd9cc04c6c00c0d7306b10fb5fb0b61b4e06 [2021-10-21 20:04:05,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:04:05,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:04:05,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:04:05,154 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:04:05,155 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:04:05,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c [2021-10-21 20:04:05,229 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/data/629e29f18/01f2e86306f24e959eb7ab456c2bdfaa/FLAG646a89e3e [2021-10-21 20:04:05,670 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:04:05,671 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c [2021-10-21 20:04:05,678 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/data/629e29f18/01f2e86306f24e959eb7ab456c2bdfaa/FLAG646a89e3e [2021-10-21 20:04:06,076 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/data/629e29f18/01f2e86306f24e959eb7ab456c2bdfaa [2021-10-21 20:04:06,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:04:06,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:04:06,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:04:06,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:04:06,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:04:06,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:04:06" (1/1) ... [2021-10-21 20:04:06,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45576819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:06, skipping insertion in model container [2021-10-21 20:04:06,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:04:06" (1/1) ... [2021-10-21 20:04:06,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:04:06,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:04:06,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:04:06,303 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:04:06,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:04:06,333 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:04:06,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:06 WrapperNode [2021-10-21 20:04:06,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:04:06,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:04:06,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:04:06,336 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:04:06,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:06" (1/1) ... [2021-10-21 20:04:06,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:06" (1/1) ... [2021-10-21 20:04:06,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:04:06,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:04:06,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:04:06,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:04:06,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:06" (1/1) ... [2021-10-21 20:04:06,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:06" (1/1) ... [2021-10-21 20:04:06,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:06" (1/1) ... [2021-10-21 20:04:06,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:06" (1/1) ... [2021-10-21 20:04:06,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:06" (1/1) ... [2021-10-21 20:04:06,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:06" (1/1) ... [2021-10-21 20:04:06,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:06" (1/1) ... [2021-10-21 20:04:06,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:04:06,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:04:06,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:04:06,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:04:06,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:06" (1/1) ... [2021-10-21 20:04:06,421 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:04:06,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:04:06,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:04:06,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:04:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:04:06,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:04:06,700 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:04:06,709 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-21 20:04:06,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:04:06 BoogieIcfgContainer [2021-10-21 20:04:06,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:04:06,713 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:04:06,713 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:04:06,717 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:04:06,721 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:04:06,722 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:04:06" (1/3) ... [2021-10-21 20:04:06,723 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3823e16c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:04:06, skipping insertion in model container [2021-10-21 20:04:06,724 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:04:06,724 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:06" (2/3) ... [2021-10-21 20:04:06,725 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3823e16c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:04:06, skipping insertion in model container [2021-10-21 20:04:06,725 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:04:06,725 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:04:06" (3/3) ... [2021-10-21 20:04:06,726 INFO L389 chiAutomizerObserver]: Analyzing ICFG ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c [2021-10-21 20:04:06,777 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:04:06,777 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:04:06,778 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:04:06,778 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:04:06,778 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:04:06,778 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:04:06,778 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:04:06,778 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:04:06,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 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 20:04:06,811 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-21 20:04:06,812 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:04:06,812 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:04:06,819 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-21 20:04:06,819 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:04:06,819 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:04:06,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 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 20:04:06,821 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-21 20:04:06,821 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:04:06,821 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:04:06,822 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-21 20:04:06,822 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:04:06,829 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0, main_~i~0, main_~r~0, main_~N~0;havoc main_~x~0;havoc main_~y~0;havoc main_~i~0;havoc main_~r~0;havoc main_~N~0;main_~N~0 := 10;main_~x~0 := 0;main_~y~0 := 0;main_~i~0 := 0; 7#L22-1true [2021-10-21 20:04:06,830 INFO L793 eck$LassoCheckResult]: Loop: 7#L22-1true assume !!(main_~i~0 < main_~N~0);main_~i~0 := 1 + main_~i~0;main_~r~0 := main_#t~nondet0;havoc main_#t~nondet0; 5#L22true assume !(main_~r~0 >= 0 && main_~r~0 <= 3); 7#L22-1true [2021-10-21 20:04:06,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:04:06,836 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-21 20:04:06,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:04:06,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810954938] [2021-10-21 20:04:06,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:04:06,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:04:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:04:06,932 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:04:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:04:06,952 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:04:06,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:04:06,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1307, now seen corresponding path program 1 times [2021-10-21 20:04:06,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:04:06,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968832413] [2021-10-21 20:04:06,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:04:06,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:04:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:04:06,969 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:04:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:04:06,977 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:04:06,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:04:06,982 INFO L82 PathProgramCache]: Analyzing trace with hash 31098, now seen corresponding path program 1 times [2021-10-21 20:04:06,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:04:06,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891423744] [2021-10-21 20:04:06,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:04:06,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:04:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:04:06,994 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:04:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:04:07,018 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:04:07,128 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:04:07,128 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:04:07,129 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:04:07,129 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:04:07,129 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:04:07,129 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:04:07,129 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:04:07,129 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:04:07,130 INFO L133 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c_Iteration1_Loop [2021-10-21 20:04:07,130 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:04:07,130 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:04:07,149 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 20:04:07,157 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 20:04:07,160 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 20:04:07,170 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 20:04:07,301 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:04:07,301 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:04:07,304 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:04:07,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:04:07,306 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:04:07,312 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:04:07,312 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:04:07,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 20:04:07,344 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:04:07,344 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 20:04:07,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:04:07,373 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:04:07,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:04:07,374 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:04:07,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 20:04:07,377 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:04:07,378 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:04:07,392 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:04:07,392 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 20:04:07,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:04:07,415 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:04:07,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:04:07,416 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:04:07,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 20:04:07,427 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:04:07,427 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:04:07,451 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:04:07,451 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=6, ULTIMATE.start_main_~r~0=6} Honda state: {ULTIMATE.start_main_#t~nondet0=6, ULTIMATE.start_main_~r~0=6} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:04:07,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:04:07,482 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:04:07,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:04:07,483 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:04:07,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 20:04:07,508 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:04:07,508 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:04:07,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-10-21 20:04:07,556 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:04:07,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:04:07,558 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:04:07,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 20:04:07,560 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:04:07,560 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:04:07,704 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:04:07,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-10-21 20:04:07,709 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:04:07,709 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:04:07,710 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:04:07,710 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:04:07,710 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:04:07,710 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:04:07,710 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:04:07,710 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:04:07,710 INFO L133 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c_Iteration1_Loop [2021-10-21 20:04:07,710 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:04:07,710 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:04:07,713 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 20:04:07,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:04:07,721 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 20:04:07,729 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 20:04:07,803 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:04:07,808 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:04:07,809 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:04:07,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:04:07,811 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:04:07,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 20:04:07,826 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 20:04:07,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:04:07,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:04:07,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:04:07,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:04:07,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:04:07,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:04:07,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:04:07,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 20:04:07,909 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:04:07,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:04:07,912 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:04:07,921 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 20:04:07,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:04:07,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:04:07,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:04:07,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:04:07,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 20:04:07,952 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:04:07,952 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:04:07,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:04:08,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 20:04:08,015 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:04:08,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:04:08,016 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:04:08,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 20:04:08,023 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 20:04:08,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:04:08,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:04:08,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:04:08,031 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 20:04:08,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:04:08,034 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:04:08,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:04:08,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:04:08,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-21 20:04:08,094 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:04:08,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:04:08,095 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:04:08,107 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 20:04:08,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 20:04:08,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:04:08,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:04:08,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:04:08,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:04:08,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:04:08,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:04:08,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:04:08,131 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:04:08,136 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:04:08,136 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:04:08,138 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:04:08,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:04:08,145 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:04:08,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 20:04:08,148 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:04:08,149 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:04:08,149 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:04:08,150 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~N~0) = -1*ULTIMATE.start_main_~i~0 + 1*ULTIMATE.start_main_~N~0 Supporting invariants [] [2021-10-21 20:04:08,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 20:04:08,175 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:04:08,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:04:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:04:08,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:04:08,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:04:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:04:08,219 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:04:08,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:04:08,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:04:08,287 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 20:04:08,289 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:04:08,329 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 40 transitions. Complement of second has 5 states. [2021-10-21 20:04:08,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:04:08,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:04:08,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2021-10-21 20:04:08,335 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 1 letters. Loop has 2 letters. [2021-10-21 20:04:08,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:04:08,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 2 letters. [2021-10-21 20:04:08,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:04:08,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 1 letters. Loop has 4 letters. [2021-10-21 20:04:08,337 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:04:08,338 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 40 transitions. [2021-10-21 20:04:08,341 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:04:08,344 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2021-10-21 20:04:08,346 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:04:08,346 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:04:08,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:04:08,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:04:08,347 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:04:08,347 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:04:08,347 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:04:08,347 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 20:04:08,348 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:04:08,348 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:04:08,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 20:04:08,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 08:04:08 BoogieIcfgContainer [2021-10-21 20:04:08,354 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 20:04:08,355 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:04:08,355 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:04:08,355 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:04:08,356 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:04:06" (3/4) ... [2021-10-21 20:04:08,360 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:04:08,360 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:04:08,362 INFO L168 Benchmark]: Toolchain (without parser) took 2280.59 ms. Allocated memory was 79.7 MB in the beginning and 102.8 MB in the end (delta: 23.1 MB). Free memory was 41.6 MB in the beginning and 69.0 MB in the end (delta: -27.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:04:08,363 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 79.7 MB. Free memory is still 58.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:04:08,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.71 ms. Allocated memory was 79.7 MB in the beginning and 102.8 MB in the end (delta: 23.1 MB). Free memory was 41.4 MB in the beginning and 80.3 MB in the end (delta: -38.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:04:08,370 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.59 ms. Allocated memory is still 102.8 MB. Free memory was 80.3 MB in the beginning and 79.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:04:08,376 INFO L168 Benchmark]: Boogie Preprocessor took 27.49 ms. Allocated memory is still 102.8 MB. Free memory was 79.3 MB in the beginning and 78.4 MB in the end (delta: 951.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:04:08,376 INFO L168 Benchmark]: RCFGBuilder took 309.04 ms. Allocated memory is still 102.8 MB. Free memory was 78.4 MB in the beginning and 69.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:04:08,377 INFO L168 Benchmark]: BuchiAutomizer took 1641.29 ms. Allocated memory is still 102.8 MB. Free memory was 69.5 MB in the beginning and 69.5 MB in the end (delta: -60.6 kB). Peak memory consumption was 968.4 kB. Max. memory is 16.1 GB. [2021-10-21 20:04:08,378 INFO L168 Benchmark]: Witness Printer took 5.34 ms. Allocated memory is still 102.8 MB. Free memory was 69.5 MB in the beginning and 69.0 MB in the end (delta: 562.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:04:08,381 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 79.7 MB. Free memory is still 58.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 249.71 ms. Allocated memory was 79.7 MB in the beginning and 102.8 MB in the end (delta: 23.1 MB). Free memory was 41.4 MB in the beginning and 80.3 MB in the end (delta: -38.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.59 ms. Allocated memory is still 102.8 MB. Free memory was 80.3 MB in the beginning and 79.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.49 ms. Allocated memory is still 102.8 MB. Free memory was 79.3 MB in the beginning and 78.4 MB in the end (delta: 951.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 309.04 ms. Allocated memory is still 102.8 MB. Free memory was 78.4 MB in the beginning and 69.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1641.29 ms. Allocated memory is still 102.8 MB. Free memory was 69.5 MB in the beginning and 69.5 MB in the end (delta: -60.6 kB). Peak memory consumption was 968.4 kB. Max. memory is 16.1 GB. * Witness Printer took 5.34 ms. Allocated memory is still 102.8 MB. Free memory was 69.5 MB in the beginning and 69.0 MB in the end (delta: 562.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function N + -1 * i and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 14 SDtfs, 14 SDslu, 13 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax160 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq133 hnf93 smp100 dnf146 smp100 tf109 neg100 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 65ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 20:04:08,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 20:04:08,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac83a1-3a00-4cbd-9afe-c5ab9092b1c1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...