./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/terminator_03-2.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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/loops/terminator_03-2.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 29dc9e3729c830d8e3c5d3b9c1192e2e5ef8005db44043b0e7499e254bae8165 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 03:58:23,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 03:58:23,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 03:58:23,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 03:58:23,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 03:58:23,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 03:58:23,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 03:58:23,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 03:58:23,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 03:58:23,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 03:58:23,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 03:58:23,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 03:58:23,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 03:58:23,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 03:58:23,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 03:58:23,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 03:58:23,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 03:58:23,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 03:58:23,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 03:58:23,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 03:58:23,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 03:58:23,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 03:58:23,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 03:58:23,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 03:58:23,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 03:58:23,375 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 03:58:23,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 03:58:23,376 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 03:58:23,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 03:58:23,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 03:58:23,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 03:58:23,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 03:58:23,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 03:58:23,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 03:58:23,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 03:58:23,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 03:58:23,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 03:58:23,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 03:58:23,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 03:58:23,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 03:58:23,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 03:58:23,387 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 03:58:23,414 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 03:58:23,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 03:58:23,419 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 03:58:23,420 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 03:58:23,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 03:58:23,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 03:58:23,422 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 03:58:23,422 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 03:58:23,422 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 03:58:23,423 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 03:58:23,423 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 03:58:23,424 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 03:58:23,424 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 03:58:23,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 03:58:23,424 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 03:58:23,424 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 03:58:23,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 03:58:23,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 03:58:23,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 03:58:23,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 03:58:23,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 03:58:23,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 03:58:23,426 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 03:58:23,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 03:58:23,426 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 03:58:23,426 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 03:58:23,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 03:58:23,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 03:58:23,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 03:58:23,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 03:58:23,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 03:58:23,428 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 03:58:23,429 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29dc9e3729c830d8e3c5d3b9c1192e2e5ef8005db44043b0e7499e254bae8165 [2022-02-21 03:58:23,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 03:58:23,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 03:58:23,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 03:58:23,646 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 03:58:23,646 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 03:58:23,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/terminator_03-2.i [2022-02-21 03:58:23,704 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75238add0/ffd4b73fd34441e1981b852bbad1e001/FLAG996592ab1 [2022-02-21 03:58:24,085 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 03:58:24,087 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/terminator_03-2.i [2022-02-21 03:58:24,096 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75238add0/ffd4b73fd34441e1981b852bbad1e001/FLAG996592ab1 [2022-02-21 03:58:24,110 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75238add0/ffd4b73fd34441e1981b852bbad1e001 [2022-02-21 03:58:24,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 03:58:24,114 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 03:58:24,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 03:58:24,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 03:58:24,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 03:58:24,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:58:24" (1/1) ... [2022-02-21 03:58:24,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b1fdf56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:58:24, skipping insertion in model container [2022-02-21 03:58:24,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:58:24" (1/1) ... [2022-02-21 03:58:24,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 03:58:24,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 03:58:24,285 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/loops/terminator_03-2.i[902,915] [2022-02-21 03:58:24,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:58:24,322 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 03:58:24,336 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/loops/terminator_03-2.i[902,915] [2022-02-21 03:58:24,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:58:24,353 INFO L208 MainTranslator]: Completed translation [2022-02-21 03:58:24,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:58:24 WrapperNode [2022-02-21 03:58:24,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 03:58:24,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 03:58:24,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 03:58:24,357 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 03:58:24,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:58:24" (1/1) ... [2022-02-21 03:58:24,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:58:24" (1/1) ... [2022-02-21 03:58:24,392 INFO L137 Inliner]: procedures = 17, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2022-02-21 03:58:24,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 03:58:24,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 03:58:24,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 03:58:24,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 03:58:24,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:58:24" (1/1) ... [2022-02-21 03:58:24,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:58:24" (1/1) ... [2022-02-21 03:58:24,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:58:24" (1/1) ... [2022-02-21 03:58:24,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:58:24" (1/1) ... [2022-02-21 03:58:24,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:58:24" (1/1) ... [2022-02-21 03:58:24,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:58:24" (1/1) ... [2022-02-21 03:58:24,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:58:24" (1/1) ... [2022-02-21 03:58:24,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 03:58:24,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 03:58:24,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 03:58:24,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 03:58:24,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:58:24" (1/1) ... [2022-02-21 03:58:24,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:58:24,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:58:24,456 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) [2022-02-21 03:58:24,458 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 [2022-02-21 03:58:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 03:58:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 03:58:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 03:58:24,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 03:58:24,529 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 03:58:24,530 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 03:58:24,606 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 03:58:24,611 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 03:58:24,611 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-21 03:58:24,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:58:24 BoogieIcfgContainer [2022-02-21 03:58:24,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 03:58:24,613 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 03:58:24,614 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 03:58:24,616 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 03:58:24,617 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:58:24,617 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 03:58:24" (1/3) ... [2022-02-21 03:58:24,618 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29542839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:58:24, skipping insertion in model container [2022-02-21 03:58:24,618 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:58:24,618 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:58:24" (2/3) ... [2022-02-21 03:58:24,618 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29542839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:58:24, skipping insertion in model container [2022-02-21 03:58:24,619 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:58:24,619 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:58:24" (3/3) ... [2022-02-21 03:58:24,620 INFO L388 chiAutomizerObserver]: Analyzing ICFG terminator_03-2.i [2022-02-21 03:58:24,656 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 03:58:24,656 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 03:58:24,656 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 03:58:24,656 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 03:58:24,656 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 03:58:24,657 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 03:58:24,657 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 03:58:24,657 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 03:58:24,669 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) [2022-02-21 03:58:24,684 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:58:24,684 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:58:24,685 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:58:24,688 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-02-21 03:58:24,688 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2022-02-21 03:58:24,688 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 03:58:24,689 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) [2022-02-21 03:58:24,692 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:58:24,692 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:58:24,692 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:58:24,692 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-02-21 03:58:24,693 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2022-02-21 03:58:24,698 INFO L791 eck$LassoCheckResult]: Stem: 6#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(18, 2); 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 8#L28true assume !!(main_~y~0#1 <= 1000000); 9#L29true assume main_~y~0#1 > 0; 4#L30-2true [2022-02-21 03:58:24,698 INFO L793 eck$LassoCheckResult]: Loop: 4#L30-2true assume !!(main_~x~0#1 < 100);main_~x~0#1 := main_~x~0#1 + main_~y~0#1; 4#L30-2true [2022-02-21 03:58:24,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:58:24,703 INFO L85 PathProgramCache]: Analyzing trace with hash 925670, now seen corresponding path program 1 times [2022-02-21 03:58:24,716 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:58:24,716 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73391011] [2022-02-21 03:58:24,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:58:24,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:58:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:58:24,807 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:58:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:58:24,826 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:58:24,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:58:24,829 INFO L85 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2022-02-21 03:58:24,829 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:58:24,829 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166098243] [2022-02-21 03:58:24,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:58:24,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:58:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:58:24,841 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:58:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:58:24,845 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:58:24,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:58:24,850 INFO L85 PathProgramCache]: Analyzing trace with hash 28695789, now seen corresponding path program 1 times [2022-02-21 03:58:24,850 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:58:24,850 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447693067] [2022-02-21 03:58:24,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:58:24,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:58:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:58:24,875 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:58:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:58:24,889 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:58:25,098 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:58:25,099 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:58:25,100 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:58:25,100 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:58:25,100 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:58:25,100 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:58:25,100 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:58:25,100 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:58:25,101 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_03-2.i_Iteration1_Lasso [2022-02-21 03:58:25,101 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:58:25,101 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:58:25,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:58:25,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:58:25,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:58:25,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:58:25,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:58:25,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:58:25,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:58:25,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:58:25,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:58:25,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:58:25,380 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:58:25,383 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:58:25,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:58:25,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:58:25,386 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) [2022-02-21 03:58:25,397 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 [2022-02-21 03:58:25,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:58:25,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:58:25,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:58:25,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:58:25,417 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:58:25,417 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:58:25,424 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 [2022-02-21 03:58:25,427 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-02-21 03:58:25,455 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-02-21 03:58:25,456 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-02-21 03:58:25,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:58:25,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:58:25,460 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) [2022-02-21 03:58:25,508 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-02-21 03:58:25,516 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 [2022-02-21 03:58:25,532 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-02-21 03:58:25,533 INFO L513 LassoAnalysis]: Proved termination. [2022-02-21 03:58:25,533 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~x~0#1) = 199*ULTIMATE.start_main_~y~0#1 - 2*ULTIMATE.start_main_~x~0#1 Supporting invariants [1*ULTIMATE.start_main_~y~0#1 - 1 >= 0] [2022-02-21 03:58:25,562 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 [2022-02-21 03:58:25,588 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2022-02-21 03:58:25,599 INFO L390 LassoCheck]: Loop: "assume !!(main_~x~0#1 < 100);main_~x~0#1 := main_~x~0#1 + main_~y~0#1;" [2022-02-21 03:58:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:58:25,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:58:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:58:25,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-21 03:58:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:58:25,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:58:25,672 INFO L290 TraceCheckUtils]: 0: Hoare triple {22#unseeded} 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(18, 2); {22#unseeded} is VALID [2022-02-21 03:58:25,673 INFO L290 TraceCheckUtils]: 1: Hoare triple {22#unseeded} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; {22#unseeded} is VALID [2022-02-21 03:58:25,673 INFO L290 TraceCheckUtils]: 2: Hoare triple {22#unseeded} assume !!(main_~y~0#1 <= 1000000); {22#unseeded} is VALID [2022-02-21 03:58:25,674 INFO L290 TraceCheckUtils]: 3: Hoare triple {22#unseeded} assume main_~y~0#1 > 0; {46#(and (>= (+ (- 1) |ULTIMATE.start_main_~y~0#1|) 0) unseeded)} is VALID [2022-02-21 03:58:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:58:25,680 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-21 03:58:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:58:25,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:58:25,686 INFO L290 TraceCheckUtils]: 0: Hoare triple {47#(and (>= (+ (- 1) |ULTIMATE.start_main_~y~0#1|) 0) (>= oldRank0 (+ (* 199 |ULTIMATE.start_main_~y~0#1|) (* (- 2) |ULTIMATE.start_main_~x~0#1|))))} assume !!(main_~x~0#1 < 100);main_~x~0#1 := main_~x~0#1 + main_~y~0#1; {49#(and (>= (+ (- 1) |ULTIMATE.start_main_~y~0#1|) 0) (or (and (>= oldRank0 0) (> oldRank0 (+ (* 199 |ULTIMATE.start_main_~y~0#1|) (* (- 2) |ULTIMATE.start_main_~x~0#1|)))) unseeded))} is VALID [2022-02-21 03:58:25,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 03:58:25,713 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:58:25,720 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:58:25,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 4 letters. Loop has 1 letters. [2022-02-21 03:58:25,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,729 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 [2022-02-21 03:58:25,732 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:58:25,765 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 [2022-02-21 03:58:25,854 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 42 transitions. Complement of second has 5 states. [2022-02-21 03:58:25,858 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 [2022-02-21 03:58:25,858 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:58:25,859 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) [2022-02-21 03:58:25,863 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:58:25,863 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:58:25,863 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:58:25,863 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:58:25,866 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2022-02-21 03:58:25,866 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:58:25,867 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:58:25,867 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 42 transitions. [2022-02-21 03:58:25,868 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:58:25,868 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:58:25,870 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) [2022-02-21 03:58:25,877 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-02-21 03:58:25,877 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2022-02-21 03:58:25,877 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:58:25,885 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2022-02-21 03:58:25,885 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:58:25,885 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 35 states and 42 transitions. cyclomatic complexity: 8 [2022-02-21 03:58:25,885 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 42 transitions. cyclomatic complexity: 8 [2022-02-21 03:58:25,885 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:58:25,886 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2022-02-21 03:58:25,886 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) Stem has 4 letters. Loop has 1 letters. [2022-02-21 03:58:25,886 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,886 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 4 letters. Loop has 1 letters. [2022-02-21 03:58:25,886 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,886 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 42 transitions. cyclomatic complexity: 8 Stem has 4 letters. Loop has 1 letters. [2022-02-21 03:58:25,887 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:58:25,887 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:58:25,888 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,888 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 42 transitions. cyclomatic complexity: 8 Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:58:25,888 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,888 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) Stem has 35 letters. Loop has 35 letters. [2022-02-21 03:58:25,888 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,888 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 35 letters. Loop has 35 letters. [2022-02-21 03:58:25,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 42 transitions. cyclomatic complexity: 8 Stem has 35 letters. Loop has 35 letters. [2022-02-21 03:58:25,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) Stem has 12 letters. Loop has 12 letters. [2022-02-21 03:58:25,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,891 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 12 letters. Loop has 12 letters. [2022-02-21 03:58:25,891 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,891 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 42 transitions. cyclomatic complexity: 8 Stem has 12 letters. Loop has 12 letters. [2022-02-21 03:58:25,891 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,891 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:58:25,891 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,891 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:58:25,892 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,892 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 42 transitions. cyclomatic complexity: 8 Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:58:25,892 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,892 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) Stem has 4 letters. Loop has 1 letters. [2022-02-21 03:58:25,892 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,892 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 4 letters. Loop has 1 letters. [2022-02-21 03:58:25,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,893 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 42 transitions. cyclomatic complexity: 8 Stem has 4 letters. Loop has 1 letters. [2022-02-21 03:58:25,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:58:25,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:58:25,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 42 transitions. cyclomatic complexity: 8 Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:58:25,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:58:25,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:58:25,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 42 transitions. cyclomatic complexity: 8 Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:58:25,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,896 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:58:25,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:58:25,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2022-02-21 03:58:25,913 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 4 letters. Loop has 1 letters. [2022-02-21 03:58:25,913 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,913 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 5 letters. Loop has 1 letters. [2022-02-21 03:58:25,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 4 letters. Loop has 2 letters. [2022-02-21 03:58:25,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:25,915 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 42 transitions. cyclomatic complexity: 8 [2022-02-21 03:58:25,923 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:58:25,926 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2022-02-21 03:58:25,927 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-02-21 03:58:25,927 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-02-21 03:58:25,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-02-21 03:58:25,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 03:58:25,928 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:58:25,928 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:58:25,928 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:58:25,928 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 03:58:25,929 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-02-21 03:58:25,929 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:58:25,929 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:58:25,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 03:58:25 BoogieIcfgContainer [2022-02-21 03:58:25,936 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 03:58:25,938 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 03:58:25,938 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 03:58:25,941 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 03:58:25,942 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:58:24" (3/4) ... [2022-02-21 03:58:25,944 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-21 03:58:25,945 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 03:58:25,947 INFO L158 Benchmark]: Toolchain (without parser) took 1831.93ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 53.9MB in the beginning and 75.4MB in the end (delta: -21.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:58:25,948 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:58:25,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.75ms. Allocated memory is still 90.2MB. Free memory was 53.8MB in the beginning and 66.3MB in the end (delta: -12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 03:58:25,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.57ms. Allocated memory is still 90.2MB. Free memory was 66.0MB in the beginning and 64.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:58:25,951 INFO L158 Benchmark]: Boogie Preprocessor took 29.05ms. Allocated memory is still 90.2MB. Free memory was 64.6MB in the beginning and 63.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:58:25,955 INFO L158 Benchmark]: RCFGBuilder took 189.43ms. Allocated memory is still 90.2MB. Free memory was 63.6MB in the beginning and 54.9MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 03:58:25,959 INFO L158 Benchmark]: BuchiAutomizer took 1323.38ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 54.5MB in the beginning and 76.2MB in the end (delta: -21.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:58:25,960 INFO L158 Benchmark]: Witness Printer took 7.57ms. Allocated memory is still 109.1MB. Free memory was 76.2MB in the beginning and 75.4MB in the end (delta: 834.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:58:25,966 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.75ms. Allocated memory is still 90.2MB. Free memory was 53.8MB in the beginning and 66.3MB in the end (delta: -12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.57ms. Allocated memory is still 90.2MB. Free memory was 66.0MB in the beginning and 64.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.05ms. Allocated memory is still 90.2MB. Free memory was 64.6MB in the beginning and 63.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 189.43ms. Allocated memory is still 90.2MB. Free memory was 63.6MB in the beginning and 54.9MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1323.38ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 54.5MB in the beginning and 76.2MB in the end (delta: -21.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.57ms. Allocated memory is still 109.1MB. Free memory was 76.2MB in the beginning and 75.4MB in the end (delta: 834.2kB). Peak memory consumption was 2.1MB. 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 199 * y + -2 * x and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 17 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital64 mio100 ax100 hnf100 lsp26 ukn94 mio100 lsp100 div100 bol100 ite100 ukn100 eq137 hnf95 smp100 dnf100 smp100 tf100 neg100 sie119 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 149ms VariablesStem: 1 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-02-21 03:58:25,992 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