./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i --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/veris.c_NetBSD-libc_loop.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b1c73403384a361e15608c077b8e86297621fa69c42f15894e841079f64af74a --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 15:39:16,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 15:39:16,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 15:39:16,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 15:39:16,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 15:39:16,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 15:39:16,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 15:39:16,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 15:39:16,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 15:39:16,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 15:39:16,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 15:39:17,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 15:39:17,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 15:39:17,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 15:39:17,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 15:39:17,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 15:39:17,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 15:39:17,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 15:39:17,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 15:39:17,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 15:39:17,014 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 15:39:17,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 15:39:17,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 15:39:17,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 15:39:17,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 15:39:17,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 15:39:17,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 15:39:17,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 15:39:17,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 15:39:17,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 15:39:17,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 15:39:17,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 15:39:17,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 15:39:17,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 15:39:17,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 15:39:17,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 15:39:17,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 15:39:17,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 15:39:17,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 15:39:17,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 15:39:17,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 15:39:17,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 15:39:17,031 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-14 15:39:17,053 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 15:39:17,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 15:39:17,054 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 15:39:17,054 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 15:39:17,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 15:39:17,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 15:39:17,056 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 15:39:17,056 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 15:39:17,056 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 15:39:17,057 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 15:39:17,057 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 15:39:17,057 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 15:39:17,057 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 15:39:17,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 15:39:17,057 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 15:39:17,058 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 15:39:17,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 15:39:17,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 15:39:17,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 15:39:17,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 15:39:17,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 15:39:17,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 15:39:17,058 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 15:39:17,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 15:39:17,059 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 15:39:17,059 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 15:39:17,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 15:39:17,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 15:39:17,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 15:39:17,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 15:39:17,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 15:39:17,061 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 15:39:17,061 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1c73403384a361e15608c077b8e86297621fa69c42f15894e841079f64af74a [2022-07-14 15:39:17,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 15:39:17,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 15:39:17,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 15:39:17,233 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 15:39:17,234 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 15:39:17,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i [2022-07-14 15:39:17,272 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27b7ec9d8/a7a96805a9c8415da956385fd047a873/FLAG01006102b [2022-07-14 15:39:17,641 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 15:39:17,641 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i [2022-07-14 15:39:17,645 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27b7ec9d8/a7a96805a9c8415da956385fd047a873/FLAG01006102b [2022-07-14 15:39:17,660 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27b7ec9d8/a7a96805a9c8415da956385fd047a873 [2022-07-14 15:39:17,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 15:39:17,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 15:39:17,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 15:39:17,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 15:39:17,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 15:39:17,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:39:17" (1/1) ... [2022-07-14 15:39:17,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@606e4fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:39:17, skipping insertion in model container [2022-07-14 15:39:17,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:39:17" (1/1) ... [2022-07-14 15:39:17,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 15:39:17,682 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 15:39:17,801 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/veris.c_NetBSD-libc_loop.i[825,838] [2022-07-14 15:39:17,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:39:17,815 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 15:39:17,823 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/veris.c_NetBSD-libc_loop.i[825,838] [2022-07-14 15:39:17,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:39:17,834 INFO L208 MainTranslator]: Completed translation [2022-07-14 15:39:17,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:39:17 WrapperNode [2022-07-14 15:39:17,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 15:39:17,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 15:39:17,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 15:39:17,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 15:39:17,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:39:17" (1/1) ... [2022-07-14 15:39:17,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:39:17" (1/1) ... [2022-07-14 15:39:17,854 INFO L137 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2022-07-14 15:39:17,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 15:39:17,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 15:39:17,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 15:39:17,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 15:39:17,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:39:17" (1/1) ... [2022-07-14 15:39:17,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:39:17" (1/1) ... [2022-07-14 15:39:17,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:39:17" (1/1) ... [2022-07-14 15:39:17,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:39:17" (1/1) ... [2022-07-14 15:39:17,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:39:17" (1/1) ... [2022-07-14 15:39:17,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:39:17" (1/1) ... [2022-07-14 15:39:17,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:39:17" (1/1) ... [2022-07-14 15:39:17,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 15:39:17,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 15:39:17,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 15:39:17,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 15:39:17,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:39:17" (1/1) ... [2022-07-14 15:39:17,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:39:17,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:39:17,896 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 15:39:17,922 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 15:39:17,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 15:39:17,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 15:39:17,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 15:39:17,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 15:39:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 15:39:17,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 15:39:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 15:39:17,985 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 15:39:17,986 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 15:39:18,067 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 15:39:18,071 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 15:39:18,071 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 15:39:18,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:39:18 BoogieIcfgContainer [2022-07-14 15:39:18,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 15:39:18,073 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 15:39:18,073 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 15:39:18,076 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 15:39:18,076 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:39:18,076 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 03:39:17" (1/3) ... [2022-07-14 15:39:18,077 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22eae389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:39:18, skipping insertion in model container [2022-07-14 15:39:18,077 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:39:18,077 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:39:17" (2/3) ... [2022-07-14 15:39:18,078 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22eae389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:39:18, skipping insertion in model container [2022-07-14 15:39:18,078 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:39:18,078 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:39:18" (3/3) ... [2022-07-14 15:39:18,079 INFO L354 chiAutomizerObserver]: Analyzing ICFG veris.c_NetBSD-libc_loop.i [2022-07-14 15:39:18,119 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 15:39:18,119 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 15:39:18,119 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 15:39:18,119 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 15:39:18,119 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 15:39:18,119 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 15:39:18,119 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 15:39:18,119 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 15:39:18,122 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 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 15:39:18,141 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-14 15:39:18,142 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:39:18,142 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:39:18,145 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-14 15:39:18,145 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-14 15:39:18,146 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 15:39:18,146 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 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 15:39:18,148 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-14 15:39:18,148 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:39:18,148 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:39:18,148 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-14 15:39:18,148 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-14 15:39:18,153 INFO L752 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2);~tmp~0.base, ~tmp~0.offset := 0, 0; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret2#1, main_~#pathbuf~0#1.base, main_~#pathbuf~0#1.offset, main_~bound~0#1.base, main_~bound~0#1.offset;call main_~#pathbuf~0#1.base, main_~#pathbuf~0#1.offset := #Ultimate.allocOnStack(8);main_~bound~0#1.base, main_~bound~0#1.offset := main_~#pathbuf~0#1.base, 8 + main_~#pathbuf~0#1.offset - 4;~tmp~0.base, ~tmp~0.offset := main_~#pathbuf~0#1.base, 8 + main_~#pathbuf~0#1.offset - 4;assume { :begin_inline_glob2 } true;glob2_#in~pathbuf#1.base, glob2_#in~pathbuf#1.offset, glob2_#in~pathlim#1.base, glob2_#in~pathlim#1.offset := main_~#pathbuf~0#1.base, main_~#pathbuf~0#1.offset, main_~bound~0#1.base, main_~bound~0#1.offset;havoc glob2_#res#1;havoc glob2_#t~post1#1.base, glob2_#t~post1#1.offset, glob2_~pathbuf#1.base, glob2_~pathbuf#1.offset, glob2_~pathlim#1.base, glob2_~pathlim#1.offset, glob2_~p~0#1.base, glob2_~p~0#1.offset;glob2_~pathbuf#1.base, glob2_~pathbuf#1.offset := glob2_#in~pathbuf#1.base, glob2_#in~pathbuf#1.offset;glob2_~pathlim#1.base, glob2_~pathlim#1.offset := glob2_#in~pathlim#1.base, glob2_#in~pathlim#1.offset;havoc glob2_~p~0#1.base, glob2_~p~0#1.offset;glob2_~p~0#1.base, glob2_~p~0#1.offset := glob2_~pathbuf#1.base, glob2_~pathbuf#1.offset; 5#L29-4true [2022-07-14 15:39:18,154 INFO L754 eck$LassoCheckResult]: Loop: 5#L29-4true assume glob2_~p~0#1.base == glob2_~pathlim#1.base; 6#L29-1true assume !!(glob2_~p~0#1.offset <= glob2_~pathlim#1.offset);assume glob2_~p~0#1.base == ~tmp~0.base;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if glob2_~p~0#1.offset <= ~tmp~0.offset then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7#L15true assume !(0 == __VERIFIER_assert_~cond#1); 9#L15-2true assume { :end_inline___VERIFIER_assert } true;call write~int(1, glob2_~p~0#1.base, glob2_~p~0#1.offset, 4); 11#L29-3true glob2_#t~post1#1.base, glob2_#t~post1#1.offset := glob2_~p~0#1.base, glob2_~p~0#1.offset;glob2_~p~0#1.base, glob2_~p~0#1.offset := glob2_#t~post1#1.base, 4 + glob2_#t~post1#1.offset;havoc glob2_#t~post1#1.base, glob2_#t~post1#1.offset; 5#L29-4true [2022-07-14 15:39:18,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:39:18,162 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-07-14 15:39:18,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:39:18,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856257278] [2022-07-14 15:39:18,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:39:18,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:39:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:39:18,253 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:39:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:39:18,275 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:39:18,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:39:18,277 INFO L85 PathProgramCache]: Analyzing trace with hash 34515950, now seen corresponding path program 1 times [2022-07-14 15:39:18,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:39:18,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280071594] [2022-07-14 15:39:18,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:39:18,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:39:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:39:18,288 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:39:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:39:18,308 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:39:18,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:39:18,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1805955436, now seen corresponding path program 1 times [2022-07-14 15:39:18,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:39:18,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857847193] [2022-07-14 15:39:18,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:39:18,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:39:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:39:18,350 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:39:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:39:18,370 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:39:18,886 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 15:39:18,887 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 15:39:18,887 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 15:39:18,888 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 15:39:18,888 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 15:39:18,888 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:39:18,888 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 15:39:18,888 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 15:39:18,888 INFO L133 ssoRankerPreferences]: Filename of dumped script: veris.c_NetBSD-libc_loop.i_Iteration1_Lasso [2022-07-14 15:39:18,889 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 15:39:18,889 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 15:39:18,902 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 15:39:18,909 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 15:39:18,911 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 15:39:18,913 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 15:39:18,915 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 15:39:18,918 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 15:39:19,229 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 15:39:19,231 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 15:39:19,234 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 15:39:19,527 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 15:39:19,529 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 15:39:19,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:39:19,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:39:19,534 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 15:39:19,554 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 15:39:19,555 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 15:39:19,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:39:19,562 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:39:19,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:39:19,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:39:19,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:39:19,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:39:19,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:39:19,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:39:19,595 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 15:39:19,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:39:19,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:39:19,597 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 15:39:19,598 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 15:39:19,601 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 15:39:19,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:39:19,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:39:19,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:39:19,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:39:19,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:39:19,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:39:19,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:39:19,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:39:19,625 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 15:39:19,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:39:19,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:39:19,627 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 15:39:19,629 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 15:39:19,646 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 15:39:19,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:39:19,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:39:19,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:39:19,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:39:19,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:39:19,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:39:19,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:39:19,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:39:19,688 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 15:39:19,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:39:19,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:39:19,690 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 15:39:19,691 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 15:39:19,692 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 15:39:19,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:39:19,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:39:19,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:39:19,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:39:19,701 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:39:19,701 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:39:19,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:39:19,719 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 15:39:19,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:39:19,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:39:19,720 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 15:39:19,721 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 15:39:19,722 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 15:39:19,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:39:19,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:39:19,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:39:19,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:39:19,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:39:19,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:39:19,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:39:19,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:39:19,762 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 15:39:19,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:39:19,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:39:19,764 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 15:39:19,765 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 15:39:19,766 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 15:39:19,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:39:19,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:39:19,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:39:19,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:39:19,773 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:39:19,773 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:39:19,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:39:19,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-14 15:39:19,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:39:19,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:39:19,806 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 15:39:19,808 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 15:39:19,809 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 15:39:19,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:39:19,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:39:19,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:39:19,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:39:19,826 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:39:19,826 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:39:19,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:39:19,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-14 15:39:19,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:39:19,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:39:19,851 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 15:39:19,852 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 15:39:19,853 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 15:39:19,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:39:19,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:39:19,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:39:19,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:39:19,860 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:39:19,861 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:39:19,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:39:19,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-14 15:39:19,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:39:19,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:39:19,887 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 15:39:19,888 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 15:39:19,890 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 15:39:19,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:39:19,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:39:19,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:39:19,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:39:19,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:39:19,906 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:39:19,922 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 15:39:19,958 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-07-14 15:39:19,958 INFO L444 ModelExtractionUtils]: 19 out of 34 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-07-14 15:39:19,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:39:19,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:39:19,987 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 15:39:20,033 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 15:39:20,034 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 15:39:20,043 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-14 15:39:20,044 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 15:39:20,044 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_glob2_~p~0#1.offset, v_rep(select #length ULTIMATE.start_main_~#pathbuf~0#1.base)_1) = -1*ULTIMATE.start_glob2_~p~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~#pathbuf~0#1.base)_1 Supporting invariants [] [2022-07-14 15:39:20,060 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 15:39:20,082 INFO L293 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2022-07-14 15:39:20,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:39:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:39:20,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-14 15:39:20,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:39:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:39:20,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-14 15:39:20,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:39:20,203 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 15:39:20,216 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 15:39:20,224 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 15:39:20,225 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 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 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2022-07-14 15:39:20,268 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 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 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) Result 32 states and 38 transitions. Complement of second has 8 states. [2022-07-14 15:39:20,269 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 15:39:20,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2022-07-14 15:39:20,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2022-07-14 15:39:20,274 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 2 letters. Loop has 5 letters. [2022-07-14 15:39:20,274 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:39:20,274 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 7 letters. Loop has 5 letters. [2022-07-14 15:39:20,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:39:20,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 2 letters. Loop has 10 letters. [2022-07-14 15:39:20,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:39:20,275 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 38 transitions. [2022-07-14 15:39:20,277 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 15:39:20,278 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2022-07-14 15:39:20,279 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-14 15:39:20,279 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-14 15:39:20,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-14 15:39:20,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 15:39:20,279 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:39:20,279 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:39:20,279 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:39:20,279 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-14 15:39:20,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-14 15:39:20,279 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 15:39:20,279 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-14 15:39:20,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.07 03:39:20 BoogieIcfgContainer [2022-07-14 15:39:20,284 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-14 15:39:20,284 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 15:39:20,284 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 15:39:20,284 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 15:39:20,285 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:39:18" (3/4) ... [2022-07-14 15:39:20,287 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-14 15:39:20,287 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 15:39:20,287 INFO L158 Benchmark]: Toolchain (without parser) took 2623.76ms. Allocated memory was 92.3MB in the beginning and 138.4MB in the end (delta: 46.1MB). Free memory was 53.2MB in the beginning and 104.6MB in the end (delta: -51.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:39:20,288 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 92.3MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:39:20,288 INFO L158 Benchmark]: CACSL2BoogieTranslator took 170.80ms. Allocated memory is still 92.3MB. Free memory was 52.9MB in the beginning and 67.5MB in the end (delta: -14.5MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2022-07-14 15:39:20,288 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.95ms. Allocated memory is still 92.3MB. Free memory was 67.5MB in the beginning and 65.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:39:20,288 INFO L158 Benchmark]: Boogie Preprocessor took 13.54ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 64.8MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-14 15:39:20,289 INFO L158 Benchmark]: RCFGBuilder took 203.60ms. Allocated memory is still 92.3MB. Free memory was 64.8MB in the beginning and 55.6MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-14 15:39:20,289 INFO L158 Benchmark]: BuchiAutomizer took 2210.55ms. Allocated memory was 92.3MB in the beginning and 138.4MB in the end (delta: 46.1MB). Free memory was 55.4MB in the beginning and 105.6MB in the end (delta: -50.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:39:20,289 INFO L158 Benchmark]: Witness Printer took 2.52ms. Allocated memory is still 138.4MB. Free memory was 105.6MB in the beginning and 104.6MB in the end (delta: 943.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:39:20,291 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 92.3MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 170.80ms. Allocated memory is still 92.3MB. Free memory was 52.9MB in the beginning and 67.5MB in the end (delta: -14.5MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.95ms. Allocated memory is still 92.3MB. Free memory was 67.5MB in the beginning and 65.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.54ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 64.8MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 203.60ms. Allocated memory is still 92.3MB. Free memory was 64.8MB in the beginning and 55.6MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2210.55ms. Allocated memory was 92.3MB in the beginning and 138.4MB in the end (delta: 46.1MB). Free memory was 55.4MB in the beginning and 105.6MB in the end (delta: -50.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.52ms. Allocated memory is still 138.4MB. Free memory was 105.6MB in the beginning and 104.6MB in the end (delta: 943.3kB). 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 unknown-#length-unknown[pathbuf] + -1 * p and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. 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, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 5 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital171 mio100 ax100 hnf100 lsp92 ukn98 mio100 lsp38 div100 bol100 ite100 ukn100 eq195 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 1 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 15:39:20,316 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