./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/terminator_01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f4b24e32 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_01.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 82b79a9a0e08e4cbe68dbb8ee267b92366638418cbe09cb6aac3231ced8eab7e --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 15:39:02,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 15:39:02,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 15:39:02,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 15:39:02,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 15:39:02,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 15:39:02,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 15:39:02,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 15:39:02,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 15:39:02,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 15:39:02,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 15:39:02,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 15:39:02,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 15:39:02,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 15:39:02,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 15:39:02,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 15:39:02,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 15:39:02,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 15:39:02,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 15:39:02,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 15:39:02,202 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 15:39:02,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 15:39:02,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 15:39:02,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 15:39:02,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 15:39:02,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 15:39:02,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 15:39:02,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 15:39:02,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 15:39:02,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 15:39:02,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 15:39:02,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 15:39:02,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 15:39:02,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 15:39:02,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 15:39:02,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 15:39:02,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 15:39:02,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 15:39:02,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 15:39:02,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 15:39:02,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 15:39:02,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 15:39:02,219 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-14 15:39:02,241 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 15:39:02,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 15:39:02,242 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 15:39:02,242 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 15:39:02,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 15:39:02,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 15:39:02,244 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 15:39:02,244 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 15:39:02,244 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 15:39:02,245 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 15:39:02,245 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 15:39:02,245 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 15:39:02,245 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 15:39:02,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 15:39:02,246 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 15:39:02,246 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 15:39:02,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 15:39:02,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 15:39:02,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 15:39:02,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 15:39:02,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 15:39:02,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 15:39:02,247 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 15:39:02,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 15:39:02,247 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 15:39:02,247 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 15:39:02,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 15:39:02,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 15:39:02,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 15:39:02,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 15:39:02,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 15:39:02,249 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 15:39:02,250 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82b79a9a0e08e4cbe68dbb8ee267b92366638418cbe09cb6aac3231ced8eab7e [2022-07-14 15:39:02,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 15:39:02,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 15:39:02,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 15:39:02,434 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 15:39:02,434 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 15:39:02,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/terminator_01.c [2022-07-14 15:39:02,480 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2246f73e2/72e272b297644271be84eb9015ed1e6e/FLAGdf99532e5 [2022-07-14 15:39:02,836 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 15:39:02,836 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/terminator_01.c [2022-07-14 15:39:02,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2246f73e2/72e272b297644271be84eb9015ed1e6e/FLAGdf99532e5 [2022-07-14 15:39:02,852 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2246f73e2/72e272b297644271be84eb9015ed1e6e [2022-07-14 15:39:02,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 15:39:02,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 15:39:02,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 15:39:02,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 15:39:02,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 15:39:02,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:39:02" (1/1) ... [2022-07-14 15:39:02,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35aa1ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:39:02, skipping insertion in model container [2022-07-14 15:39:02,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:39:02" (1/1) ... [2022-07-14 15:39:02,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 15:39:02,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 15:39:02,986 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_01.c[325,338] [2022-07-14 15:39:02,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:39:03,002 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 15:39:03,009 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_01.c[325,338] [2022-07-14 15:39:03,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:39:03,020 INFO L208 MainTranslator]: Completed translation [2022-07-14 15:39:03,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:39:03 WrapperNode [2022-07-14 15:39:03,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 15:39:03,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 15:39:03,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 15:39:03,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 15:39:03,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:39:03" (1/1) ... [2022-07-14 15:39:03,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:39:03" (1/1) ... [2022-07-14 15:39:03,044 INFO L137 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2022-07-14 15:39:03,045 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 15:39:03,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 15:39:03,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 15:39:03,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 15:39:03,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:39:03" (1/1) ... [2022-07-14 15:39:03,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:39:03" (1/1) ... [2022-07-14 15:39:03,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:39:03" (1/1) ... [2022-07-14 15:39:03,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:39:03" (1/1) ... [2022-07-14 15:39:03,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:39:03" (1/1) ... [2022-07-14 15:39:03,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:39:03" (1/1) ... [2022-07-14 15:39:03,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:39:03" (1/1) ... [2022-07-14 15:39:03,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 15:39:03,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 15:39:03,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 15:39:03,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 15:39:03,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:39:03" (1/1) ... [2022-07-14 15:39:03,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:39:03,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:39:03,094 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:39:03,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-14 15:39:03,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 15:39:03,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 15:39:03,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 15:39:03,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 15:39:03,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 15:39:03,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 15:39:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 15:39:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 15:39:03,190 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 15:39:03,192 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 15:39:03,328 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 15:39:03,332 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 15:39:03,333 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 15:39:03,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:39:03 BoogieIcfgContainer [2022-07-14 15:39:03,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 15:39:03,339 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 15:39:03,339 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 15:39:03,342 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 15:39:03,342 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:39:03,342 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 03:39:02" (1/3) ... [2022-07-14 15:39:03,343 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c25cb8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:39:03, skipping insertion in model container [2022-07-14 15:39:03,343 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:39:03,354 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:39:03" (2/3) ... [2022-07-14 15:39:03,355 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c25cb8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:39:03, skipping insertion in model container [2022-07-14 15:39:03,355 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:39:03,355 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:39:03" (3/3) ... [2022-07-14 15:39:03,356 INFO L354 chiAutomizerObserver]: Analyzing ICFG terminator_01.c [2022-07-14 15:39:03,441 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 15:39:03,442 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 15:39:03,442 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 15:39:03,442 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 15:39:03,442 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 15:39:03,442 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 15:39:03,442 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 15:39:03,443 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 15:39:03,454 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:39:03,467 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-14 15:39:03,468 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:39:03,468 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:39:03,483 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-14 15:39:03,483 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 15:39:03,483 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 15:39:03,484 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:39:03,485 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-14 15:39:03,485 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:39:03,485 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:39:03,485 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-14 15:39:03,485 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 15:39:03,490 INFO L752 eck$LassoCheckResult]: Stem: 3#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(16, 2);call #Ultimate.allocInit(12, 3); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem5#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~nondet4#1;main_~p~0#1.base, main_~p~0#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset; 7#L18-3true [2022-07-14 15:39:03,490 INFO L754 eck$LassoCheckResult]: Loop: 7#L18-3true call main_#t~mem5#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4); 4#L18-1true assume !!(main_#t~mem5#1 < 100);havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4);main_#t~post7#1 := main_#t~mem6#1;call write~int(1 + main_#t~post7#1, main_~p~0#1.base, main_~p~0#1.offset, 4);havoc main_#t~mem6#1;havoc main_#t~post7#1; 7#L18-3true [2022-07-14 15:39:03,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:39:03,496 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-07-14 15:39:03,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:39:03,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989034891] [2022-07-14 15:39:03,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:39:03,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:39:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:39:03,604 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:39:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:39:03,638 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:39:03,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:39:03,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2022-07-14 15:39:03,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:39:03,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066409799] [2022-07-14 15:39:03,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:39:03,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:39:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:39:03,665 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:39:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:39:03,679 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:39:03,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:39:03,682 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2022-07-14 15:39:03,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:39:03,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308736197] [2022-07-14 15:39:03,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:39:03,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:39:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:39:03,716 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:39:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:39:03,738 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:39:04,047 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 15:39:04,048 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 15:39:04,048 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 15:39:04,048 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 15:39:04,048 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 15:39:04,048 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:39:04,048 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 15:39:04,048 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 15:39:04,049 INFO L133 ssoRankerPreferences]: Filename of dumped script: terminator_01.c_Iteration1_Lasso [2022-07-14 15:39:04,049 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 15:39:04,049 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 15:39:04,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:39:04,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:39:04,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:39:04,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:39:04,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:39:04,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:39:04,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:39:04,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:39:04,561 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 15:39:04,564 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 15:39:04,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:39:04,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:39:04,567 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:39:04,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-14 15:39:04,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:39:04,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:39:04,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:39:04,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:39:04,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:39:04,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:39:04,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:39:04,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:39:04,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:39:04,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-14 15:39:04,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:39:04,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:39:04,612 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:39:04,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-14 15:39:04,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:39:04,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:39:04,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:39:04,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:39:04,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:39:04,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:39:04,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:39:04,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:39:04,625 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:39:04,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-14 15:39:04,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:39:04,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:39:04,645 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:39:04,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-14 15:39:04,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:39:04,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:39:04,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:39:04,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:39:04,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:39:04,657 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:39:04,657 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:39:04,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:39:04,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-14 15:39:04,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:39:04,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:39:04,708 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:39:04,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-14 15:39:04,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:39:04,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:39:04,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:39:04,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:39:04,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:39:04,718 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:39:04,718 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:39:04,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:39:04,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-14 15:39:04,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:39:04,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:39:04,749 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:39:04,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-14 15:39:04,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:39:04,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:39:04,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:39:04,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:39:04,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:39:04,789 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:39:04,789 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:39:04,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:39:04,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-14 15:39:04,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:39:04,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:39:04,835 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:39:04,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:39:04,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:39:04,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:39:04,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:39:04,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:39:04,850 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:39:04,850 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:39:04,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-14 15:39:04,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:39:04,899 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-07-14 15:39:04,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:39:04,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:39:04,901 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:39:04,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-14 15:39:04,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:39:04,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:39:04,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:39:04,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:39:04,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:39:04,912 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:39:04,912 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:39:04,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:39:04,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-07-14 15:39:04,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:39:04,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:39:04,939 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:39:04,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-14 15:39:04,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:39:04,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:39:04,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:39:04,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:39:04,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:39:04,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:39:04,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:39:04,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:39:04,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-07-14 15:39:04,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:39:04,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:39:04,986 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:39:04,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-14 15:39:04,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:39:04,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:39:04,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:39:04,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:39:04,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:39:04,996 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:39:04,996 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:39:05,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:39:05,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-14 15:39:05,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:39:05,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:39:05,044 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:39:05,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:39:05,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:39:05,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:39:05,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:39:05,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:39:05,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:39:05,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:39:05,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:39:05,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-14 15:39:05,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-14 15:39:05,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:39:05,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:39:05,110 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:39:05,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:39:05,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:39:05,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:39:05,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:39:05,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:39:05,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:39:05,131 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:39:05,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-14 15:39:05,151 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 15:39:05,161 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-14 15:39:05,161 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 2 variables to zero. [2022-07-14 15:39:05,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:39:05,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:39:05,164 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:39:05,168 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 15:39:05,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-14 15:39:05,193 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-14 15:39:05,193 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 15:39:05,193 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~#x~0#1.base) ULTIMATE.start_main_~#x~0#1.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~#x~0#1.base) ULTIMATE.start_main_~#x~0#1.offset)_1 + 199 Supporting invariants [] [2022-07-14 15:39:05,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-14 15:39:05,261 INFO L293 tatePredicateManager]: 13 out of 15 supporting invariants were superfluous and have been removed [2022-07-14 15:39:05,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:39:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:39:05,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-14 15:39:05,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:39:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:39:05,308 WARN L261 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-14 15:39:05,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:39:05,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:39:05,376 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-14 15:39:05,377 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:39:05,425 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 24 states and 28 transitions. Complement of second has 8 states. [2022-07-14 15:39:05,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-14 15:39:05,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:39:05,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2022-07-14 15:39:05,435 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 2 letters. [2022-07-14 15:39:05,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:39:05,435 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-14 15:39:05,436 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:39:05,436 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 4 letters. [2022-07-14 15:39:05,436 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:39:05,436 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 28 transitions. [2022-07-14 15:39:05,440 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 15:39:05,442 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2022-07-14 15:39:05,442 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-14 15:39:05,442 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-14 15:39:05,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-14 15:39:05,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 15:39:05,443 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:39:05,443 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:39:05,443 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:39:05,443 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-14 15:39:05,443 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-14 15:39:05,443 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 15:39:05,443 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-14 15:39:05,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.07 03:39:05 BoogieIcfgContainer [2022-07-14 15:39:05,448 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-14 15:39:05,449 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 15:39:05,449 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 15:39:05,449 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 15:39:05,449 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:39:03" (3/4) ... [2022-07-14 15:39:05,451 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-14 15:39:05,451 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 15:39:05,452 INFO L158 Benchmark]: Toolchain (without parser) took 2597.34ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 68.2MB in the beginning and 56.6MB in the end (delta: 11.6MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2022-07-14 15:39:05,452 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:39:05,452 INFO L158 Benchmark]: CACSL2BoogieTranslator took 165.66ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 68.2MB in the beginning and 98.6MB in the end (delta: -30.4MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2022-07-14 15:39:05,453 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.29ms. Allocated memory is still 121.6MB. Free memory was 98.2MB in the beginning and 97.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:39:05,453 INFO L158 Benchmark]: Boogie Preprocessor took 12.49ms. Allocated memory is still 121.6MB. Free memory was 97.0MB in the beginning and 96.1MB in the end (delta: 930.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:39:05,453 INFO L158 Benchmark]: RCFGBuilder took 275.79ms. Allocated memory is still 121.6MB. Free memory was 95.8MB in the beginning and 87.0MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-14 15:39:05,454 INFO L158 Benchmark]: BuchiAutomizer took 2109.17ms. Allocated memory is still 121.6MB. Free memory was 87.0MB in the beginning and 57.3MB in the end (delta: 29.6MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2022-07-14 15:39:05,454 INFO L158 Benchmark]: Witness Printer took 2.47ms. Allocated memory is still 121.6MB. Free memory was 57.3MB in the beginning and 56.6MB in the end (delta: 765.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:39:05,456 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 96.5MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 165.66ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 68.2MB in the beginning and 98.6MB in the end (delta: -30.4MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.29ms. Allocated memory is still 121.6MB. Free memory was 98.2MB in the beginning and 97.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.49ms. Allocated memory is still 121.6MB. Free memory was 97.0MB in the beginning and 96.1MB in the end (delta: 930.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 275.79ms. Allocated memory is still 121.6MB. Free memory was 95.8MB in the beginning and 87.0MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2109.17ms. Allocated memory is still 121.6MB. Free memory was 87.0MB in the beginning and 57.3MB in the end (delta: 29.6MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * Witness Printer took 2.47ms. Allocated memory is still 121.6MB. Free memory was 57.3MB in the beginning and 56.6MB in the end (delta: 765.9kB). 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 -2 * unknown-#memory_int-unknown[x][x] + 199 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 5 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital143 mio100 ax100 hnf100 lsp95 ukn89 mio100 lsp22 div100 bol100 ite100 ukn100 eq200 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-14 15:39:05,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-14 15:39:05,684 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