./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_877e4ceb-d743-41b0-937a-28bf6f442e6d/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_877e4ceb-d743-41b0-937a-28bf6f442e6d/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_877e4ceb-d743-41b0-937a-28bf6f442e6d/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_877e4ceb-d743-41b0-937a-28bf6f442e6d/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_877e4ceb-d743-41b0-937a-28bf6f442e6d/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_877e4ceb-d743-41b0-937a-28bf6f442e6d/bin/uautomizer-Z5i5R5N3CC --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 d1222cbe619907da17220c6769d95d8d6fd1064c .......................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:26:27,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:26:27,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:26:27,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:26:27,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:26:27,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:26:27,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:26:27,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:26:27,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:26:27,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:26:27,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:26:27,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:26:27,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:26:27,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:26:27,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:26:27,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:26:27,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:26:27,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:26:27,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:26:27,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:26:27,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:26:27,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:26:27,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:26:27,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:26:27,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:26:27,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:26:27,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:26:27,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:26:27,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:26:27,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:26:27,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:26:27,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:26:27,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:26:27,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:26:27,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:26:27,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:26:27,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:26:27,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:26:27,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:26:27,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:26:27,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:26:27,181 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_877e4ceb-d743-41b0-937a-28bf6f442e6d/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-11 00:26:27,208 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:26:27,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:26:27,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:26:27,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:26:27,210 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:26:27,210 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-11 00:26:27,211 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-11 00:26:27,211 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-11 00:26:27,211 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-11 00:26:27,211 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-11 00:26:27,211 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-11 00:26:27,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:26:27,212 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:26:27,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:26:27,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:26:27,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-11 00:26:27,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-11 00:26:27,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-11 00:26:27,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:26:27,213 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-11 00:26:27,213 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:26:27,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-11 00:26:27,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:26:27,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:26:27,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:26:27,214 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:26:27,215 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:26:27,216 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-11 00:26:27,216 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_877e4ceb-d743-41b0-937a-28bf6f442e6d/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_877e4ceb-d743-41b0-937a-28bf6f442e6d/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1222cbe619907da17220c6769d95d8d6fd1064c [2021-10-11 00:26:27,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:26:27,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:26:27,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:26:27,497 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:26:27,498 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:26:27,499 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_877e4ceb-d743-41b0-937a-28bf6f442e6d/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c [2021-10-11 00:26:27,603 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_877e4ceb-d743-41b0-937a-28bf6f442e6d/bin/uautomizer-Z5i5R5N3CC/data/a2cbbe207/4e990e9dc82043e3bfce673c9c2e99c6/FLAG516a8a060 [2021-10-11 00:26:28,140 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:26:28,141 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_877e4ceb-d743-41b0-937a-28bf6f442e6d/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c [2021-10-11 00:26:28,153 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_877e4ceb-d743-41b0-937a-28bf6f442e6d/bin/uautomizer-Z5i5R5N3CC/data/a2cbbe207/4e990e9dc82043e3bfce673c9c2e99c6/FLAG516a8a060 [2021-10-11 00:26:28,488 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_877e4ceb-d743-41b0-937a-28bf6f442e6d/bin/uautomizer-Z5i5R5N3CC/data/a2cbbe207/4e990e9dc82043e3bfce673c9c2e99c6 [2021-10-11 00:26:28,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:26:28,492 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:26:28,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:26:28,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:26:28,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:26:28,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:26:28" (1/1) ... [2021-10-11 00:26:28,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515af588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:28, skipping insertion in model container [2021-10-11 00:26:28,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:26:28" (1/1) ... [2021-10-11 00:26:28,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:26:28,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:26:28,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:26:28,699 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:26:28,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:26:28,740 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:26:28,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:28 WrapperNode [2021-10-11 00:26:28,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:26:28,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:26:28,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:26:28,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:26:28,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:28" (1/1) ... [2021-10-11 00:26:28,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:28" (1/1) ... [2021-10-11 00:26:28,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:26:28,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:26:28,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:26:28,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:26:28,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:28" (1/1) ... [2021-10-11 00:26:28,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:28" (1/1) ... [2021-10-11 00:26:28,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:28" (1/1) ... [2021-10-11 00:26:28,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:28" (1/1) ... [2021-10-11 00:26:28,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:28" (1/1) ... [2021-10-11 00:26:28,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:28" (1/1) ... [2021-10-11 00:26:28,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:28" (1/1) ... [2021-10-11 00:26:28,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:26:28,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:26:28,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:26:28,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:26:28,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:28" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_877e4ceb-d743-41b0-937a-28bf6f442e6d/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:26:28,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:26:29,111 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:26:29,111 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-11 00:26:29,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:29 BoogieIcfgContainer [2021-10-11 00:26:29,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:26:29,120 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-11 00:26:29,121 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-11 00:26:29,126 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-11 00:26:29,127 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:26:29,128 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:26:28" (1/3) ... [2021-10-11 00:26:29,130 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10a7a63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:26:29, skipping insertion in model container [2021-10-11 00:26:29,130 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:26:29,131 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:28" (2/3) ... [2021-10-11 00:26:29,131 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10a7a63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:26:29, skipping insertion in model container [2021-10-11 00:26:29,131 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:26:29,132 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:29" (3/3) ... [2021-10-11 00:26:29,134 INFO L389 chiAutomizerObserver]: Analyzing ICFG HarrisLalNoriRajamani-SAS2010-Fig3.c [2021-10-11 00:26:29,208 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-11 00:26:29,209 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-11 00:26:29,209 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-11 00:26:29,209 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:26:29,209 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:26:29,210 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-11 00:26:29,210 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:26:29,210 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-11 00:26:29,224 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2021-10-11 00:26:29,245 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-11 00:26:29,245 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:26:29,246 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:26:29,255 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-11 00:26:29,255 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-11 00:26:29,255 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-11 00:26:29,256 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2021-10-11 00:26:29,259 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-11 00:26:29,259 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:26:29,259 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:26:29,259 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-11 00:26:29,259 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-11 00:26:29,268 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue ~x~0 := 0; 3#L-1true havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2;~x~0 := main_#t~nondet1;havoc main_#t~nondet1; 7#L14-1true [2021-10-11 00:26:29,268 INFO L796 eck$LassoCheckResult]: Loop: 7#L14-1true assume !!(~x~0 > 0); 5#L23true assume !(0 != main_#t~nondet2);havoc main_#t~nondet2;havoc foo_#t~post0;foo_#t~post0 := ~x~0;~x~0 := foo_#t~post0 - 1;havoc foo_#t~post0; 7#L14-1true [2021-10-11 00:26:29,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:29,276 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-11 00:26:29,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:29,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688788994] [2021-10-11 00:26:29,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:29,425 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:29,430 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:29,446 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:26:29,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:29,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1319, now seen corresponding path program 1 times [2021-10-11 00:26:29,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:29,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104665567] [2021-10-11 00:26:29,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:29,458 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:29,463 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:29,465 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:26:29,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:29,467 INFO L82 PathProgramCache]: Analyzing trace with hash 925801, now seen corresponding path program 1 times [2021-10-11 00:26:29,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:29,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451559257] [2021-10-11 00:26:29,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:29,475 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:29,480 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:29,482 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:26:29,544 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:26:29,545 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:26:29,545 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:26:29,545 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:26:29,546 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:26:29,546 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:29,546 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:26:29,546 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:26:29,546 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig3.c_Iteration1_Loop [2021-10-11 00:26:29,546 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:26:29,547 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:26:29,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:29,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:29,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:29,709 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:26:29,710 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_877e4ceb-d743-41b0-937a-28bf6f442e6d/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:29,718 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:26:29,718 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:29,741 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-11 00:26:29,742 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_foo_#t~post0=0} Honda state: {ULTIMATE.start_foo_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_877e4ceb-d743-41b0-937a-28bf6f442e6d/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:29,789 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:26:29,789 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_877e4ceb-d743-41b0-937a-28bf6f442e6d/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:29,851 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:26:29,851 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:29,905 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-11 00:26:29,907 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:26:29,907 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:26:29,907 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:26:29,908 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:26:29,908 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:26:29,908 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:29,908 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:26:29,908 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:26:29,908 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig3.c_Iteration1_Loop [2021-10-11 00:26:29,908 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:26:29,909 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:26:29,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:29,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:29,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:30,016 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:26:30,022 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_877e4ceb-d743-41b0-937a-28bf6f442e6d/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:30,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:30,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:30,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:30,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:30,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:30,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:26:30,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:26:30,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:30,059 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_877e4ceb-d743-41b0-937a-28bf6f442e6d/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:30,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:30,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:30,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:30,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:30,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:30,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:26:30,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:26:30,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:30,103 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-11 00:26:30,108 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-11 00:26:30,108 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_877e4ceb-d743-41b0-937a-28bf6f442e6d/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:30,122 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-11 00:26:30,122 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-11 00:26:30,122 INFO L510 LassoAnalysis]: Proved termination. [2021-10-11 00:26:30,123 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x~0) = 1*~x~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:30,153 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-11 00:26:30,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:30,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:26:30,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:26:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:30,207 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 00:26:30,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:26:30,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:26:30,243 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 [2021-10-11 00:26:30,244 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states. Second operand 3 states. [2021-10-11 00:26:30,294 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states.. Second operand 3 states. Result 18 states and 23 transitions. Complement of second has 7 states. [2021-10-11 00:26:30,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-11 00:26:30,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-11 00:26:30,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2021-10-11 00:26:30,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 2 letters. Loop has 2 letters. [2021-10-11 00:26:30,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:26:30,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-11 00:26:30,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:26:30,300 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 2 letters. Loop has 4 letters. [2021-10-11 00:26:30,300 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:26:30,301 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2021-10-11 00:26:30,304 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:26:30,306 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2021-10-11 00:26:30,308 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:26:30,308 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:26:30,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:26:30,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:26:30,309 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:26:30,309 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:26:30,309 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:26:30,309 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-11 00:26:30,309 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:26:30,309 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:26:30,310 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-11 00:26:30,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:26:30 BoogieIcfgContainer [2021-10-11 00:26:30,316 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-11 00:26:30,317 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:26:30,317 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:26:30,317 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:26:30,318 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:29" (3/4) ... [2021-10-11 00:26:30,321 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:26:30,321 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:26:30,323 INFO L168 Benchmark]: Toolchain (without parser) took 1829.68 ms. Allocated memory was 90.2 MB in the beginning and 130.0 MB in the end (delta: 39.8 MB). Free memory was 63.1 MB in the beginning and 65.8 MB in the end (delta: -2.6 MB). Peak memory consumption was 36.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:30,324 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 90.2 MB. Free memory is still 60.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:26:30,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.79 ms. Allocated memory is still 90.2 MB. Free memory was 62.8 MB in the beginning and 54.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:30,326 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.66 ms. Allocated memory is still 90.2 MB. Free memory was 54.4 MB in the beginning and 53.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:30,327 INFO L168 Benchmark]: Boogie Preprocessor took 26.98 ms. Allocated memory is still 90.2 MB. Free memory was 53.2 MB in the beginning and 52.3 MB in the end (delta: 871.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:26:30,328 INFO L168 Benchmark]: RCFGBuilder took 300.96 ms. Allocated memory is still 90.2 MB. Free memory was 52.2 MB in the beginning and 43.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:30,329 INFO L168 Benchmark]: BuchiAutomizer took 1196.12 ms. Allocated memory was 90.2 MB in the beginning and 130.0 MB in the end (delta: 39.8 MB). Free memory was 43.6 MB in the beginning and 66.4 MB in the end (delta: -22.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:30,330 INFO L168 Benchmark]: Witness Printer took 4.56 ms. Allocated memory is still 130.0 MB. Free memory was 66.4 MB in the beginning and 65.8 MB in the end (delta: 663.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:26:30,336 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 90.2 MB. Free memory is still 60.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 247.79 ms. Allocated memory is still 90.2 MB. Free memory was 62.8 MB in the beginning and 54.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.66 ms. Allocated memory is still 90.2 MB. Free memory was 54.4 MB in the beginning and 53.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.98 ms. Allocated memory is still 90.2 MB. Free memory was 53.2 MB in the beginning and 52.3 MB in the end (delta: 871.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 300.96 ms. Allocated memory is still 90.2 MB. Free memory was 52.2 MB in the beginning and 43.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1196.12 ms. Allocated memory was 90.2 MB in the beginning and 130.0 MB in the end (delta: 39.8 MB). Free memory was 43.6 MB in the beginning and 66.4 MB in the end (delta: -22.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.56 ms. Allocated memory is still 130.0 MB. Free memory was 66.4 MB in the beginning and 65.8 MB in the end (delta: 663.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. 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: 5 SDtfs, 5 SDslu, 6 SDs, 0 SdLazy, 7 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp76 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 35ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...