./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/terminator_03-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b 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/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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 23:26:00,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 23:26:00,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 23:26:00,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 23:26:00,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 23:26:00,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 23:26:00,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 23:26:00,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 23:26:00,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 23:26:00,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 23:26:00,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 23:26:00,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 23:26:00,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 23:26:00,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 23:26:00,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 23:26:00,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 23:26:00,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 23:26:00,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 23:26:00,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 23:26:00,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 23:26:00,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 23:26:00,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 23:26:00,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 23:26:00,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 23:26:00,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 23:26:00,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 23:26:00,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 23:26:00,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 23:26:00,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 23:26:00,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 23:26:00,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 23:26:00,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 23:26:00,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 23:26:00,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 23:26:00,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 23:26:00,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 23:26:00,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 23:26:00,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 23:26:00,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 23:26:00,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 23:26:00,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 23:26:00,567 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-14 23:26:00,592 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 23:26:00,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 23:26:00,593 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 23:26:00,593 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 23:26:00,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 23:26:00,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 23:26:00,595 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 23:26:00,595 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-14 23:26:00,595 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-14 23:26:00,595 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-14 23:26:00,596 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-14 23:26:00,596 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-14 23:26:00,596 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-14 23:26:00,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 23:26:00,596 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 23:26:00,596 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 23:26:00,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 23:26:00,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 23:26:00,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 23:26:00,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-14 23:26:00,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-14 23:26:00,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-14 23:26:00,597 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 23:26:00,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 23:26:00,598 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-14 23:26:00,599 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 23:26:00,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-14 23:26:00,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 23:26:00,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 23:26:00,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 23:26:00,599 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 23:26:00,600 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 23:26:00,600 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-14 23:26:00,600 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29dc9e3729c830d8e3c5d3b9c1192e2e5ef8005db44043b0e7499e254bae8165 [2021-12-14 23:26:00,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 23:26:00,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 23:26:00,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 23:26:00,849 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 23:26:00,850 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 23:26:00,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/terminator_03-2.i [2021-12-14 23:26:00,893 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c455f3568/fff3976331e947d2aa95d547d36926b6/FLAG178a11927 [2021-12-14 23:26:01,259 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 23:26:01,259 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/terminator_03-2.i [2021-12-14 23:26:01,267 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c455f3568/fff3976331e947d2aa95d547d36926b6/FLAG178a11927 [2021-12-14 23:26:01,278 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c455f3568/fff3976331e947d2aa95d547d36926b6 [2021-12-14 23:26:01,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 23:26:01,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 23:26:01,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 23:26:01,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 23:26:01,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 23:26:01,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:26:01" (1/1) ... [2021-12-14 23:26:01,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3703277d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:26:01, skipping insertion in model container [2021-12-14 23:26:01,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:26:01" (1/1) ... [2021-12-14 23:26:01,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 23:26:01,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 23:26:01,421 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] [2021-12-14 23:26:01,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:26:01,457 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 23:26:01,479 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] [2021-12-14 23:26:01,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:26:01,494 INFO L208 MainTranslator]: Completed translation [2021-12-14 23:26:01,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:26:01 WrapperNode [2021-12-14 23:26:01,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 23:26:01,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 23:26:01,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 23:26:01,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 23:26:01,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:26:01" (1/1) ... [2021-12-14 23:26:01,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:26:01" (1/1) ... [2021-12-14 23:26:01,548 INFO L137 Inliner]: procedures = 17, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2021-12-14 23:26:01,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 23:26:01,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 23:26:01,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 23:26:01,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 23:26:01,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:26:01" (1/1) ... [2021-12-14 23:26:01,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:26:01" (1/1) ... [2021-12-14 23:26:01,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:26:01" (1/1) ... [2021-12-14 23:26:01,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:26:01" (1/1) ... [2021-12-14 23:26:01,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:26:01" (1/1) ... [2021-12-14 23:26:01,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:26:01" (1/1) ... [2021-12-14 23:26:01,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:26:01" (1/1) ... [2021-12-14 23:26:01,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 23:26:01,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 23:26:01,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 23:26:01,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 23:26:01,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:26:01" (1/1) ... [2021-12-14 23:26:01,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:26:01,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:26:01,632 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) [2021-12-14 23:26:01,635 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 [2021-12-14 23:26:01,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 23:26:01,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 23:26:01,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 23:26:01,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 23:26:01,721 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 23:26:01,722 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 23:26:01,809 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 23:26:01,813 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 23:26:01,814 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 23:26:01,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:26:01 BoogieIcfgContainer [2021-12-14 23:26:01,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 23:26:01,817 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-14 23:26:01,817 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-14 23:26:01,819 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-14 23:26:01,820 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:26:01,820 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.12 11:26:01" (1/3) ... [2021-12-14 23:26:01,821 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b41cb9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:26:01, skipping insertion in model container [2021-12-14 23:26:01,822 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:26:01,822 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:26:01" (2/3) ... [2021-12-14 23:26:01,822 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b41cb9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:26:01, skipping insertion in model container [2021-12-14 23:26:01,822 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:26:01,822 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:26:01" (3/3) ... [2021-12-14 23:26:01,823 INFO L388 chiAutomizerObserver]: Analyzing ICFG terminator_03-2.i [2021-12-14 23:26:01,863 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-14 23:26:01,864 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-14 23:26:01,864 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-14 23:26:01,864 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-14 23:26:01,864 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-14 23:26:01,864 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-14 23:26:01,864 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-14 23:26:01,864 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-14 23:26:01,876 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) [2021-12-14 23:26:01,891 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-14 23:26:01,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:26:01,892 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:26:01,895 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-14 23:26:01,895 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-14 23:26:01,896 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-14 23:26:01,896 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) [2021-12-14 23:26:01,898 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-14 23:26:01,898 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:26:01,898 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:26:01,899 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-14 23:26:01,899 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-14 23:26:01,904 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 [2021-12-14 23:26:01,904 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 [2021-12-14 23:26:01,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:26:01,908 INFO L85 PathProgramCache]: Analyzing trace with hash 925670, now seen corresponding path program 1 times [2021-12-14 23:26:01,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:26:01,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115233319] [2021-12-14 23:26:01,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:26:01,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:26:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:26:01,982 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:26:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:26:02,012 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:26:02,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:26:02,016 INFO L85 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2021-12-14 23:26:02,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:26:02,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020373956] [2021-12-14 23:26:02,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:26:02,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:26:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:26:02,024 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:26:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:26:02,036 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:26:02,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:26:02,037 INFO L85 PathProgramCache]: Analyzing trace with hash 28695789, now seen corresponding path program 1 times [2021-12-14 23:26:02,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:26:02,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230795067] [2021-12-14 23:26:02,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:26:02,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:26:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:26:02,052 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:26:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:26:02,065 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:26:02,235 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:26:02,235 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:26:02,236 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:26:02,236 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:26:02,236 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-14 23:26:02,236 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:26:02,236 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:26:02,236 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:26:02,237 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_03-2.i_Iteration1_Lasso [2021-12-14 23:26:02,237 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:26:02,237 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:26:02,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:26:02,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:26:02,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:26:02,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:26:02,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:26:02,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:26:02,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:26:02,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:26:02,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:26:02,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:26:02,449 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:26:02,451 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-14 23:26:02,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:26:02,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:26:02,454 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) [2021-12-14 23:26:02,456 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 [2021-12-14 23:26:02,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-14 23:26:02,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:26:02,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:26:02,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:26:02,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:26:02,469 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-14 23:26:02,469 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-14 23:26:02,487 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-14 23:26:02,494 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-12-14 23:26:02,494 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-14 23:26:02,495 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:26:02,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:26:02,496 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) [2021-12-14 23:26:02,497 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 [2021-12-14 23:26:02,541 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-14 23:26:02,562 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-14 23:26:02,563 INFO L513 LassoAnalysis]: Proved termination. [2021-12-14 23:26:02,563 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] [2021-12-14 23:26:02,581 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 [2021-12-14 23:26:02,588 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-14 23:26:02,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:26:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:26:02,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-14 23:26:02,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:26:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:26:02,652 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-14 23:26:02,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:26:02,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:26:02,677 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-12-14 23:26:02,678 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) [2021-12-14 23:26:02,740 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. [2021-12-14 23:26:02,740 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 [2021-12-14 23:26:02,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-14 23:26:02,746 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) [2021-12-14 23:26:02,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2021-12-14 23:26:02,748 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 4 letters. Loop has 1 letters. [2021-12-14 23:26:02,749 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:26:02,749 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 5 letters. Loop has 1 letters. [2021-12-14 23:26:02,749 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:26:02,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-14 23:26:02,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:26:02,750 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 42 transitions. [2021-12-14 23:26:02,753 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:26:02,756 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2021-12-14 23:26:02,756 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-14 23:26:02,756 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-14 23:26:02,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-14 23:26:02,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:26:02,757 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:26:02,757 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:26:02,758 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:26:02,758 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-14 23:26:02,758 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-14 23:26:02,758 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:26:02,758 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-14 23:26:02,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.12 11:26:02 BoogieIcfgContainer [2021-12-14 23:26:02,765 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-14 23:26:02,765 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 23:26:02,765 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 23:26:02,765 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 23:26:02,766 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:26:01" (3/4) ... [2021-12-14 23:26:02,768 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-14 23:26:02,769 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 23:26:02,770 INFO L158 Benchmark]: Toolchain (without parser) took 1487.83ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 53.3MB in the beginning and 81.9MB in the end (delta: -28.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:26:02,770 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 90.2MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:26:02,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.91ms. Allocated memory is still 90.2MB. Free memory was 53.0MB in the beginning and 67.1MB in the end (delta: -14.1MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-12-14 23:26:02,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.06ms. Allocated memory is still 90.2MB. Free memory was 67.1MB in the beginning and 65.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 23:26:02,772 INFO L158 Benchmark]: Boogie Preprocessor took 17.27ms. Allocated memory is still 90.2MB. Free memory was 65.6MB in the beginning and 64.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:26:02,772 INFO L158 Benchmark]: RCFGBuilder took 248.70ms. Allocated memory is still 90.2MB. Free memory was 64.6MB in the beginning and 56.4MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-14 23:26:02,773 INFO L158 Benchmark]: BuchiAutomizer took 947.73ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 56.2MB in the beginning and 82.5MB in the end (delta: -26.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:26:02,773 INFO L158 Benchmark]: Witness Printer took 3.60ms. Allocated memory is still 109.1MB. Free memory was 82.5MB in the beginning and 81.9MB in the end (delta: 590.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 23:26:02,776 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 90.2MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.91ms. Allocated memory is still 90.2MB. Free memory was 53.0MB in the beginning and 67.1MB in the end (delta: -14.1MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.06ms. Allocated memory is still 90.2MB. Free memory was 67.1MB in the beginning and 65.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.27ms. Allocated memory is still 90.2MB. Free memory was 65.6MB in the beginning and 64.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 248.70ms. Allocated memory is still 90.2MB. Free memory was 64.6MB in the beginning and 56.4MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 947.73ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 56.2MB in the beginning and 82.5MB in the end (delta: -26.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.60ms. Allocated memory is still 109.1MB. Free memory was 82.5MB in the beginning and 81.9MB in the end (delta: 590.7kB). 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 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 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: 110ms 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! [2021-12-14 23:26:02,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE