./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig1.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_56756134-a429-4b81-832a-8f1e6c1135a4/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56756134-a429-4b81-832a-8f1e6c1135a4/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_56756134-a429-4b81-832a-8f1e6c1135a4/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56756134-a429-4b81-832a-8f1e6c1135a4/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56756134-a429-4b81-832a-8f1e6c1135a4/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_56756134-a429-4b81-832a-8f1e6c1135a4/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 16d1f6cd78d7cc073e9077e844c6915079dedfe5 ................................................................................................................................................................................................................................................................................................................................................................. 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 00:20:13,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:20:13,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:20:13,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:20:13,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:20:13,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:20:13,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:20:13,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:20:13,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:20:13,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:20:13,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:20:13,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:20:13,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:20:13,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:20:13,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:20:13,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:20:13,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:20:13,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:20:13,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:20:13,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:20:13,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:20:13,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:20:13,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:20:13,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:20:13,254 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:20:13,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:20:13,255 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:20:13,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:20:13,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:20:13,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:20:13,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:20:13,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:20:13,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:20:13,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:20:13,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:20:13,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:20:13,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:20:13,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:20:13,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:20:13,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:20:13,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:20:13,273 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56756134-a429-4b81-832a-8f1e6c1135a4/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-11 00:20:13,314 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:20:13,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:20:13,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:20:13,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:20:13,324 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:20:13,325 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-11 00:20:13,325 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-11 00:20:13,325 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-11 00:20:13,325 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-11 00:20:13,326 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-11 00:20:13,327 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-11 00:20:13,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:20:13,327 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:20:13,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:20:13,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:20:13,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-11 00:20:13,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-11 00:20:13,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-11 00:20:13,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:20:13,329 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-11 00:20:13,329 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:20:13,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-11 00:20:13,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:20:13,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:20:13,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:20:13,330 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:20:13,331 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:20:13,332 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-11 00:20:13,332 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_56756134-a429-4b81-832a-8f1e6c1135a4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56756134-a429-4b81-832a-8f1e6c1135a4/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16d1f6cd78d7cc073e9077e844c6915079dedfe5 [2021-10-11 00:20:13,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:20:13,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:20:13,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:20:13,675 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:20:13,676 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:20:13,677 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56756134-a429-4b81-832a-8f1e6c1135a4/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig1.c [2021-10-11 00:20:13,766 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56756134-a429-4b81-832a-8f1e6c1135a4/bin/uautomizer-Z5i5R5N3CC/data/3424e2d5d/7dc50f5e825743ae92a6cbf5b1ae9fe3/FLAGa35684021 [2021-10-11 00:20:14,328 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:20:14,329 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56756134-a429-4b81-832a-8f1e6c1135a4/sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig1.c [2021-10-11 00:20:14,341 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56756134-a429-4b81-832a-8f1e6c1135a4/bin/uautomizer-Z5i5R5N3CC/data/3424e2d5d/7dc50f5e825743ae92a6cbf5b1ae9fe3/FLAGa35684021 [2021-10-11 00:20:14,693 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56756134-a429-4b81-832a-8f1e6c1135a4/bin/uautomizer-Z5i5R5N3CC/data/3424e2d5d/7dc50f5e825743ae92a6cbf5b1ae9fe3 [2021-10-11 00:20:14,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:20:14,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:20:14,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:20:14,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:20:14,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:20:14,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:14" (1/1) ... [2021-10-11 00:20:14,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51df5153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:14, skipping insertion in model container [2021-10-11 00:20:14,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:14" (1/1) ... [2021-10-11 00:20:14,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:20:14,740 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:20:14,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:14,938 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:20:14,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:14,964 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:20:14,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:14 WrapperNode [2021-10-11 00:20:14,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:20:14,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:14,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:20:14,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:20:14,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:14" (1/1) ... [2021-10-11 00:20:14,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:14" (1/1) ... [2021-10-11 00:20:15,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:15,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:20:15,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:20:15,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:20:15,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:14" (1/1) ... [2021-10-11 00:20:15,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:14" (1/1) ... [2021-10-11 00:20:15,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:14" (1/1) ... [2021-10-11 00:20:15,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:14" (1/1) ... [2021-10-11 00:20:15,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:14" (1/1) ... [2021-10-11 00:20:15,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:14" (1/1) ... [2021-10-11 00:20:15,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:14" (1/1) ... [2021-10-11 00:20:15,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:20:15,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:20:15,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:20:15,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:20:15,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:14" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56756134-a429-4b81-832a-8f1e6c1135a4/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 00:20:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:20:15,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:20:15,250 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:20:15,251 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-11 00:20:15,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:15 BoogieIcfgContainer [2021-10-11 00:20:15,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:20:15,254 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-11 00:20:15,254 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-11 00:20:15,258 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-11 00:20:15,259 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:20:15,259 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:20:14" (1/3) ... [2021-10-11 00:20:15,261 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73bfffa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:20:15, skipping insertion in model container [2021-10-11 00:20:15,261 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:20:15,261 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:14" (2/3) ... [2021-10-11 00:20:15,262 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73bfffa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:20:15, skipping insertion in model container [2021-10-11 00:20:15,262 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:20:15,263 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:15" (3/3) ... [2021-10-11 00:20:15,264 INFO L389 chiAutomizerObserver]: Analyzing ICFG PodelskiRybalchenko-TACAS2011-Fig1.c [2021-10-11 00:20:15,320 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-11 00:20:15,320 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-11 00:20:15,321 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-11 00:20:15,321 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:20:15,321 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:20:15,321 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-11 00:20:15,321 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:20:15,322 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-11 00:20:15,335 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2021-10-11 00:20:15,355 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-11 00:20:15,355 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:20:15,355 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:20:15,362 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-11 00:20:15,362 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-11 00:20:15,362 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-11 00:20:15,363 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2021-10-11 00:20:15,364 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-11 00:20:15,364 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:20:15,364 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:20:15,364 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-11 00:20:15,365 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-11 00:20:15,373 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~y~0;havoc main_~y~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0; 8#L16-2true [2021-10-11 00:20:15,373 INFO L796 eck$LassoCheckResult]: Loop: 8#L16-2true assume !!(main_~y~0 >= 0);main_~y~0 := main_~y~0 - 1; 8#L16-2true [2021-10-11 00:20:15,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:15,381 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-11 00:20:15,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:15,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59918601] [2021-10-11 00:20:15,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:15,480 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:15,485 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:15,501 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:20:15,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:15,503 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2021-10-11 00:20:15,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:15,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365143113] [2021-10-11 00:20:15,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:15,515 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:15,520 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:15,521 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:20:15,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:15,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-10-11 00:20:15,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:15,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438642307] [2021-10-11 00:20:15,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:15,531 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:20:15,536 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:20:15,538 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:20:15,597 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:20:15,598 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:20:15,598 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:20:15,599 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:20:15,603 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:20:15,603 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:15,604 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:20:15,604 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:20:15,604 INFO L133 ssoRankerPreferences]: Filename of dumped script: PodelskiRybalchenko-TACAS2011-Fig1.c_Iteration1_Loop [2021-10-11 00:20:15,604 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:20:15,605 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:20:15,643 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 00:20:15,684 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 00:20:15,699 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 00:20:15,834 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:20:15,835 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56756134-a429-4b81-832a-8f1e6c1135a4/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 00:20:15,850 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:20:15,850 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 No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56756134-a429-4b81-832a-8f1e6c1135a4/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 00:20:15,915 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:20:15,915 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 [2021-10-11 00:20:15,972 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-11 00:20:15,975 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:20:15,975 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:20:15,975 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:20:15,975 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:20:15,975 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:20:15,975 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:15,975 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:20:15,975 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:20:15,976 INFO L133 ssoRankerPreferences]: Filename of dumped script: PodelskiRybalchenko-TACAS2011-Fig1.c_Iteration1_Loop [2021-10-11 00:20:15,976 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:20:15,976 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:20:15,977 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 00:20:15,996 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 00:20:16,004 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 00:20:16,093 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:20:16,097 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56756134-a429-4b81-832a-8f1e6c1135a4/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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:16,137 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 00:20:16,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:20:16,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:20:16,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:20:16,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:20:16,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:20:16,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:20:16,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:20:16,184 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-11 00:20:16,194 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-11 00:20:16,194 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56756134-a429-4b81-832a-8f1e6c1135a4/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 00:20:16,206 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-11 00:20:16,206 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-11 00:20:16,207 INFO L510 LassoAnalysis]: Proved termination. [2021-10-11 00:20:16,208 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 2*ULTIMATE.start_main_~y~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:20:16,243 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-11 00:20:16,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:16,291 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:20:16,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:20:16,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:16,312 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 00:20:16,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:20:16,313 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 00:20:16,329 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-11 00:20:16,330 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states. Second operand 2 states. [2021-10-11 00:20:16,366 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states.. Second operand 2 states. Result 15 states and 18 transitions. Complement of second has 5 states. [2021-10-11 00:20:16,367 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 [2021-10-11 00:20:16,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-10-11 00:20:16,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2021-10-11 00:20:16,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 1 letters. [2021-10-11 00:20:16,371 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:20:16,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2021-10-11 00:20:16,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:20:16,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2021-10-11 00:20:16,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:20:16,373 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2021-10-11 00:20:16,375 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:20:16,378 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2021-10-11 00:20:16,379 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:20:16,379 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:20:16,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:20:16,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:20:16,380 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:20:16,380 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:20:16,380 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:20:16,380 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-11 00:20:16,380 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:20:16,381 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:20:16,381 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-11 00:20:16,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:20:16 BoogieIcfgContainer [2021-10-11 00:20:16,386 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-11 00:20:16,387 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:20:16,387 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:20:16,387 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:20:16,388 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:15" (3/4) ... [2021-10-11 00:20:16,391 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:20:16,391 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:20:16,393 INFO L168 Benchmark]: Toolchain (without parser) took 1688.81 ms. Allocated memory was 92.3 MB in the beginning and 130.0 MB in the end (delta: 37.7 MB). Free memory was 60.3 MB in the beginning and 96.5 MB in the end (delta: -36.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:16,394 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory was 45.7 MB in the beginning and 45.7 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:16,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.42 ms. Allocated memory was 92.3 MB in the beginning and 130.0 MB in the end (delta: 37.7 MB). Free memory was 60.2 MB in the beginning and 107.6 MB in the end (delta: -47.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:16,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.92 ms. Allocated memory is still 130.0 MB. Free memory was 107.6 MB in the beginning and 106.6 MB in the end (delta: 987.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:16,397 INFO L168 Benchmark]: Boogie Preprocessor took 18.58 ms. Allocated memory is still 130.0 MB. Free memory was 106.6 MB in the beginning and 105.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:16,398 INFO L168 Benchmark]: RCFGBuilder took 226.48 ms. Allocated memory is still 130.0 MB. Free memory was 105.5 MB in the beginning and 97.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:16,398 INFO L168 Benchmark]: BuchiAutomizer took 1132.56 ms. Allocated memory is still 130.0 MB. Free memory was 97.7 MB in the beginning and 96.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:16,399 INFO L168 Benchmark]: Witness Printer took 4.30 ms. Allocated memory is still 130.0 MB. Free memory is still 96.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:16,403 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory was 45.7 MB in the beginning and 45.7 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 257.42 ms. Allocated memory was 92.3 MB in the beginning and 130.0 MB in the end (delta: 37.7 MB). Free memory was 60.2 MB in the beginning and 107.6 MB in the end (delta: -47.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.92 ms. Allocated memory is still 130.0 MB. Free memory was 107.6 MB in the beginning and 106.6 MB in the end (delta: 987.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.58 ms. Allocated memory is still 130.0 MB. Free memory was 106.6 MB in the beginning and 105.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 226.48 ms. Allocated memory is still 130.0 MB. Free memory was 105.5 MB in the beginning and 97.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1132.56 ms. Allocated memory is still 130.0 MB. Free memory was 97.7 MB in the beginning and 96.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.30 ms. Allocated memory is still 130.0 MB. Free memory is still 96.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * y + 1 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s 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: 4 SDtfs, 4 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax220 hnf100 lsp45 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 107ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 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...