./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-lit/cggmp2005.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loop-lit/cggmp2005.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d9c82f96058e75055db08c6be05f7339c74a06f1004576b8854261e31deb5a7c --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 02:20:54,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 02:20:54,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 02:20:54,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 02:20:54,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 02:20:54,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 02:20:54,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 02:20:54,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 02:20:54,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 02:20:54,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 02:20:54,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 02:20:54,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 02:20:54,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 02:20:54,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 02:20:54,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 02:20:54,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 02:20:54,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 02:20:54,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 02:20:54,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 02:20:54,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 02:20:54,564 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 02:20:54,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 02:20:54,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 02:20:54,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 02:20:54,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 02:20:54,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 02:20:54,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 02:20:54,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 02:20:54,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 02:20:54,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 02:20:54,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 02:20:54,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 02:20:54,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 02:20:54,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 02:20:54,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 02:20:54,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 02:20:54,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 02:20:54,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 02:20:54,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 02:20:54,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 02:20:54,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 02:20:54,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 02:20:54,604 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-22 02:20:54,641 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 02:20:54,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 02:20:54,642 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 02:20:54,643 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 02:20:54,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 02:20:54,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 02:20:54,645 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 02:20:54,645 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 02:20:54,645 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 02:20:54,646 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 02:20:54,646 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 02:20:54,646 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 02:20:54,647 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 02:20:54,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 02:20:54,647 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 02:20:54,647 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 02:20:54,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 02:20:54,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 02:20:54,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 02:20:54,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 02:20:54,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 02:20:54,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 02:20:54,649 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 02:20:54,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 02:20:54,649 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 02:20:54,649 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 02:20:54,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 02:20:54,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 02:20:54,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 02:20:54,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 02:20:54,651 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 02:20:54,653 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 02:20:54,654 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9c82f96058e75055db08c6be05f7339c74a06f1004576b8854261e31deb5a7c [2022-07-22 02:20:55,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 02:20:55,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 02:20:55,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 02:20:55,046 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 02:20:55,046 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 02:20:55,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/cggmp2005.i [2022-07-22 02:20:55,120 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eadd8135/46007d7e489346fe97e639651e5079b8/FLAG933599997 [2022-07-22 02:20:55,582 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 02:20:55,582 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/cggmp2005.i [2022-07-22 02:20:55,588 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eadd8135/46007d7e489346fe97e639651e5079b8/FLAG933599997 [2022-07-22 02:20:55,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eadd8135/46007d7e489346fe97e639651e5079b8 [2022-07-22 02:20:55,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 02:20:55,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 02:20:55,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 02:20:55,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 02:20:55,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 02:20:55,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:20:55" (1/1) ... [2022-07-22 02:20:55,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72a5ff89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:20:55, skipping insertion in model container [2022-07-22 02:20:55,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:20:55" (1/1) ... [2022-07-22 02:20:55,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 02:20:55,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 02:20:55,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/cggmp2005.i[895,908] [2022-07-22 02:20:55,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:20:55,876 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 02:20:55,925 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/cggmp2005.i[895,908] [2022-07-22 02:20:55,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:20:55,945 INFO L208 MainTranslator]: Completed translation [2022-07-22 02:20:55,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:20:55 WrapperNode [2022-07-22 02:20:55,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 02:20:55,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 02:20:55,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 02:20:55,947 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 02:20:55,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:20:55" (1/1) ... [2022-07-22 02:20:55,959 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:20:55" (1/1) ... [2022-07-22 02:20:55,975 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 28 [2022-07-22 02:20:55,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 02:20:55,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 02:20:55,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 02:20:55,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 02:20:55,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:20:55" (1/1) ... [2022-07-22 02:20:55,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:20:55" (1/1) ... [2022-07-22 02:20:55,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:20:55" (1/1) ... [2022-07-22 02:20:55,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:20:55" (1/1) ... [2022-07-22 02:20:55,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:20:55" (1/1) ... [2022-07-22 02:20:55,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:20:55" (1/1) ... [2022-07-22 02:20:56,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:20:55" (1/1) ... [2022-07-22 02:20:56,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 02:20:56,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 02:20:56,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 02:20:56,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 02:20:56,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:20:55" (1/1) ... [2022-07-22 02:20:56,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:20:56,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:20:56,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:20:56,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-22 02:20:56,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 02:20:56,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 02:20:56,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 02:20:56,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 02:20:56,164 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 02:20:56,166 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 02:20:56,270 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 02:20:56,277 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 02:20:56,277 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-22 02:20:56,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:20:56 BoogieIcfgContainer [2022-07-22 02:20:56,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 02:20:56,280 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 02:20:56,280 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 02:20:56,283 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 02:20:56,284 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:20:56,284 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 02:20:55" (1/3) ... [2022-07-22 02:20:56,286 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d1c509a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:20:56, skipping insertion in model container [2022-07-22 02:20:56,286 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:20:56,286 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:20:55" (2/3) ... [2022-07-22 02:20:56,286 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d1c509a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:20:56, skipping insertion in model container [2022-07-22 02:20:56,287 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:20:56,287 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:20:56" (3/3) ... [2022-07-22 02:20:56,289 INFO L354 chiAutomizerObserver]: Analyzing ICFG cggmp2005.i [2022-07-22 02:20:56,357 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 02:20:56,357 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 02:20:56,358 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 02:20:56,358 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 02:20:56,358 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 02:20:56,358 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 02:20:56,358 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 02:20:56,359 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 02:20:56,363 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:20:56,378 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-07-22 02:20:56,378 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:20:56,379 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:20:56,384 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-22 02:20:56,385 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 02:20:56,385 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 02:20:56,386 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:20:56,387 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-07-22 02:20:56,387 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:20:56,387 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:20:56,387 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-22 02:20:56,387 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 02:20:56,393 INFO L752 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 1;main_~j~0#1 := 10; 7#L28-2true [2022-07-22 02:20:56,393 INFO L754 eck$LassoCheckResult]: Loop: 7#L28-2true assume !!(main_~j~0#1 >= main_~i~0#1);main_~i~0#1 := 2 + main_~i~0#1;main_~j~0#1 := -1 + main_~j~0#1; 7#L28-2true [2022-07-22 02:20:56,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:20:56,404 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-07-22 02:20:56,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:20:56,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298213355] [2022-07-22 02:20:56,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:20:56,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:20:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:20:56,508 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:20:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:20:56,547 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:20:56,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:20:56,550 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2022-07-22 02:20:56,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:20:56,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329123459] [2022-07-22 02:20:56,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:20:56,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:20:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:20:56,567 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:20:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:20:56,580 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:20:56,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:20:56,582 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-07-22 02:20:56,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:20:56,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530091386] [2022-07-22 02:20:56,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:20:56,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:20:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:20:56,605 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:20:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:20:56,625 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:20:56,712 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 02:20:56,713 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 02:20:56,713 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 02:20:56,713 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 02:20:56,713 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 02:20:56,713 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:20:56,713 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 02:20:56,714 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 02:20:56,714 INFO L133 ssoRankerPreferences]: Filename of dumped script: cggmp2005.i_Iteration1_Loop [2022-07-22 02:20:56,714 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 02:20:56,714 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 02:20:56,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:20:56,786 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 02:20:56,787 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 02:20:56,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:20:56,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:20:56,802 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:20:56,806 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 02:20:56,806 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 02:20:56,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-22 02:20:56,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-22 02:20:56,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:20:56,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:20:56,863 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:20:56,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-22 02:20:56,867 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 02:20:56,867 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 02:20:56,948 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 02:20:56,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-22 02:20:56,954 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 02:20:56,955 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 02:20:56,955 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 02:20:56,955 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 02:20:56,955 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 02:20:56,955 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:20:56,955 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 02:20:56,955 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 02:20:56,955 INFO L133 ssoRankerPreferences]: Filename of dumped script: cggmp2005.i_Iteration1_Loop [2022-07-22 02:20:56,961 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 02:20:56,961 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 02:20:56,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:20:57,011 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 02:20:57,017 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 02:20:57,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:20:57,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:20:57,024 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:20:57,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 02:20:57,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:20:57,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:20:57,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:20:57,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:20:57,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:20:57,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:20:57,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:20:57,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-22 02:20:57,071 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 02:20:57,077 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 02:20:57,078 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 02:20:57,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:20:57,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:20:57,085 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:20:57,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-22 02:20:57,087 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 02:20:57,088 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 02:20:57,088 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 02:20:57,089 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~i~0#1) = 2*ULTIMATE.start_main_~j~0#1 - 2*ULTIMATE.start_main_~i~0#1 + 3 Supporting invariants [] [2022-07-22 02:20:57,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-07-22 02:20:57,112 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 02:20:57,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:20:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:20:57,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 02:20:57,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:20:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:20:57,170 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 02:20:57,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:20:57,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:20:57,198 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 [2022-07-22 02:20:57,200 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:20:57,234 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 30 transitions. Complement of second has 5 states. [2022-07-22 02:20:57,236 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 [2022-07-22 02:20:57,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:20:57,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2022-07-22 02:20:57,243 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 2 letters. Loop has 1 letters. [2022-07-22 02:20:57,243 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:20:57,244 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 3 letters. Loop has 1 letters. [2022-07-22 02:20:57,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:20:57,244 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 2 letters. Loop has 2 letters. [2022-07-22 02:20:57,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:20:57,245 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2022-07-22 02:20:57,250 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 02:20:57,252 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2022-07-22 02:20:57,256 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-22 02:20:57,257 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-22 02:20:57,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-22 02:20:57,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:20:57,258 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 02:20:57,258 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 02:20:57,258 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 02:20:57,258 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 02:20:57,259 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-22 02:20:57,259 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 02:20:57,259 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-22 02:20:57,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 02:20:57 BoogieIcfgContainer [2022-07-22 02:20:57,267 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 02:20:57,268 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 02:20:57,268 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 02:20:57,268 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 02:20:57,269 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:20:56" (3/4) ... [2022-07-22 02:20:57,272 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 02:20:57,272 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 02:20:57,273 INFO L158 Benchmark]: Toolchain (without parser) took 1647.74ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 33.8MB in the beginning and 29.7MB in the end (delta: 4.1MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2022-07-22 02:20:57,274 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 48.2MB. Free memory was 30.2MB in the beginning and 30.1MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:20:57,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.89ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 33.5MB in the beginning and 42.9MB in the end (delta: -9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-22 02:20:57,275 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.67ms. Allocated memory is still 58.7MB. Free memory was 42.7MB in the beginning and 41.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:20:57,275 INFO L158 Benchmark]: Boogie Preprocessor took 25.27ms. Allocated memory is still 58.7MB. Free memory was 41.4MB in the beginning and 40.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:20:57,276 INFO L158 Benchmark]: RCFGBuilder took 274.73ms. Allocated memory is still 58.7MB. Free memory was 40.4MB in the beginning and 32.4MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 02:20:57,276 INFO L158 Benchmark]: BuchiAutomizer took 987.39ms. Allocated memory is still 58.7MB. Free memory was 32.4MB in the beginning and 30.0MB in the end (delta: 2.4MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2022-07-22 02:20:57,276 INFO L158 Benchmark]: Witness Printer took 4.12ms. Allocated memory is still 58.7MB. Free memory was 30.0MB in the beginning and 29.7MB in the end (delta: 279.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:20:57,279 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 48.2MB. Free memory was 30.2MB in the beginning and 30.1MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.89ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 33.5MB in the beginning and 42.9MB in the end (delta: -9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.67ms. Allocated memory is still 58.7MB. Free memory was 42.7MB in the beginning and 41.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.27ms. Allocated memory is still 58.7MB. Free memory was 41.4MB in the beginning and 40.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 274.73ms. Allocated memory is still 58.7MB. Free memory was 40.4MB in the beginning and 32.4MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 987.39ms. Allocated memory is still 58.7MB. Free memory was 32.4MB in the beginning and 30.0MB in the end (delta: 2.4MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. * Witness Printer took 4.12ms. Allocated memory is still 58.7MB. Free memory was 30.0MB in the beginning and 29.7MB in the end (delta: 279.0kB). There was no memory consumed. Max. memory is 16.1GB. * 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 * i + 2 * j + 3 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 7 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf100 smp100 tf108 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 70ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-22 02:20:57,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-22 02:20:57,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE