./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-regression/test02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 20ed64ec 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/ldv-regression/test02.c -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 823558d4534190a5a5c5bb9bb2c77448923e5db8 ............................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 15:15:51,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 15:15:51,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 15:15:51,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 15:15:51,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 15:15:51,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 15:15:51,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 15:15:51,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 15:15:51,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 15:15:51,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 15:15:51,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 15:15:51,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 15:15:51,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 15:15:51,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 15:15:51,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 15:15:51,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 15:15:51,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 15:15:51,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 15:15:51,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 15:15:51,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 15:15:51,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 15:15:51,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 15:15:51,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 15:15:51,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 15:15:51,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 15:15:51,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 15:15:51,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 15:15:51,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 15:15:51,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 15:15:51,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 15:15:51,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 15:15:51,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 15:15:51,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 15:15:51,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 15:15:51,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 15:15:51,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 15:15:51,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 15:15:51,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 15:15:51,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 15:15:51,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 15:15:51,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 15:15:51,224 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 15:15:51,266 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 15:15:51,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 15:15:51,268 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 15:15:51,268 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 15:15:51,270 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 15:15:51,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 15:15:51,270 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 15:15:51,270 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 15:15:51,271 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 15:15:51,271 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 15:15:51,272 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 15:15:51,272 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 15:15:51,272 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 15:15:51,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 15:15:51,273 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 15:15:51,273 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 15:15:51,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 15:15:51,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 15:15:51,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 15:15:51,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 15:15:51,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 15:15:51,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 15:15:51,274 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 15:15:51,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 15:15:51,275 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 15:15:51,275 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 15:15:51,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 15:15:51,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 15:15:51,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 15:15:51,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 15:15:51,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 15:15:51,276 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 15:15:51,278 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 15:15:51,278 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 823558d4534190a5a5c5bb9bb2c77448923e5db8 [2021-08-27 15:15:51,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 15:15:51,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 15:15:51,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 15:15:51,635 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 15:15:51,635 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 15:15:51,636 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test02.c [2021-08-27 15:15:51,705 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/224ae6e4b/148ee27da25f4cdabd2cbbe7b308a5a0/FLAG14c058178 [2021-08-27 15:15:52,135 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 15:15:52,135 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test02.c [2021-08-27 15:15:52,141 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/224ae6e4b/148ee27da25f4cdabd2cbbe7b308a5a0/FLAG14c058178 [2021-08-27 15:15:52,556 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/224ae6e4b/148ee27da25f4cdabd2cbbe7b308a5a0 [2021-08-27 15:15:52,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 15:15:52,560 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 15:15:52,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 15:15:52,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 15:15:52,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 15:15:52,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:15:52" (1/1) ... [2021-08-27 15:15:52,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58121b62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:15:52, skipping insertion in model container [2021-08-27 15:15:52,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:15:52" (1/1) ... [2021-08-27 15:15:52,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 15:15:52,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 15:15:52,684 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test02.c[413,426] [2021-08-27 15:15:52,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:15:52,695 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 15:15:52,720 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test02.c[413,426] [2021-08-27 15:15:52,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:15:52,733 INFO L208 MainTranslator]: Completed translation [2021-08-27 15:15:52,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:15:52 WrapperNode [2021-08-27 15:15:52,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 15:15:52,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 15:15:52,735 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 15:15:52,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 15:15:52,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:15:52" (1/1) ... [2021-08-27 15:15:52,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:15:52" (1/1) ... [2021-08-27 15:15:52,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 15:15:52,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 15:15:52,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 15:15:52,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 15:15:52,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:15:52" (1/1) ... [2021-08-27 15:15:52,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:15:52" (1/1) ... [2021-08-27 15:15:52,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:15:52" (1/1) ... [2021-08-27 15:15:52,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:15:52" (1/1) ... [2021-08-27 15:15:52,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:15:52" (1/1) ... [2021-08-27 15:15:52,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:15:52" (1/1) ... [2021-08-27 15:15:52,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:15:52" (1/1) ... [2021-08-27 15:15:52,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 15:15:52,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 15:15:52,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 15:15:52,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 15:15:52,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:15:52" (1/1) ... [2021-08-27 15:15:52,795 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:15:52,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:15:52,811 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) [2021-08-27 15:15:52,837 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 [2021-08-27 15:15:52,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 15:15:52,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 15:15:52,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 15:15:52,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 15:15:52,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 15:15:53,069 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 15:15:53,069 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-27 15:15:53,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:15:53 BoogieIcfgContainer [2021-08-27 15:15:53,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 15:15:53,073 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 15:15:53,074 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 15:15:53,077 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 15:15:53,078 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:15:53,078 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 03:15:52" (1/3) ... [2021-08-27 15:15:53,079 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cee9935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:15:53, skipping insertion in model container [2021-08-27 15:15:53,079 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:15:53,079 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:15:52" (2/3) ... [2021-08-27 15:15:53,080 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cee9935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:15:53, skipping insertion in model container [2021-08-27 15:15:53,080 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:15:53,080 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:15:53" (3/3) ... [2021-08-27 15:15:53,081 INFO L389 chiAutomizerObserver]: Analyzing ICFG test02.c [2021-08-27 15:15:53,132 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 15:15:53,132 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 15:15:53,132 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 15:15:53,132 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 15:15:53,132 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 15:15:53,133 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 15:15:53,133 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 15:15:53,133 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 15:15:53,145 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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) [2021-08-27 15:15:53,175 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:15:53,176 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 15:15:53,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 03:15:53 BoogieIcfgContainer [2021-08-27 15:15:53,180 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 15:15:53,180 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 15:15:53,181 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 15:15:53,181 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 15:15:53,181 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:15:53" (3/4) ... [2021-08-27 15:15:53,184 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 15:15:53,184 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 15:15:53,187 INFO L168 Benchmark]: Toolchain (without parser) took 625.25 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 28.1 MB in the beginning and 49.4 MB in the end (delta: -21.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:15:53,188 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 50.3 MB. Free memory was 33.1 MB in the beginning and 33.1 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:15:53,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.96 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 27.9 MB in the beginning and 51.3 MB in the end (delta: -23.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2021-08-27 15:15:53,191 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.92 ms. Allocated memory is still 67.1 MB. Free memory was 51.1 MB in the beginning and 49.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 15:15:53,192 INFO L168 Benchmark]: Boogie Preprocessor took 23.48 ms. Allocated memory is still 67.1 MB. Free memory was 49.8 MB in the beginning and 48.9 MB in the end (delta: 894.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:15:53,192 INFO L168 Benchmark]: RCFGBuilder took 286.34 ms. Allocated memory is still 67.1 MB. Free memory was 48.9 MB in the beginning and 38.1 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-27 15:15:53,193 INFO L168 Benchmark]: BuchiAutomizer took 106.44 ms. Allocated memory is still 67.1 MB. Free memory was 37.9 MB in the beginning and 49.7 MB in the end (delta: -11.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-08-27 15:15:53,194 INFO L168 Benchmark]: Witness Printer took 3.56 ms. Allocated memory is still 67.1 MB. Free memory was 49.7 MB in the beginning and 49.4 MB in the end (delta: 298.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:15:53,201 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 50.3 MB. Free memory was 33.1 MB in the beginning and 33.1 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 172.96 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 27.9 MB in the beginning and 51.3 MB in the end (delta: -23.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 25.92 ms. Allocated memory is still 67.1 MB. Free memory was 51.1 MB in the beginning and 49.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.48 ms. Allocated memory is still 67.1 MB. Free memory was 49.8 MB in the beginning and 48.9 MB in the end (delta: 894.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 286.34 ms. Allocated memory is still 67.1 MB. Free memory was 48.9 MB in the beginning and 38.1 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 106.44 ms. Allocated memory is still 67.1 MB. Free memory was 37.9 MB in the beginning and 49.7 MB in the end (delta: -11.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Witness Printer took 3.56 ms. Allocated memory is still 67.1 MB. Free memory was 49.7 MB in the beginning and 49.4 MB in the end (delta: 298.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: 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! [2021-08-27 15:15:53,244 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...