./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loops/verisec_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 dedd0e691082a54e7ab91bc5c89cd5119d7051d93eccccd50f69369896fe2c2c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 03:58:35,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 03:58:35,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 03:58:35,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 03:58:35,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 03:58:35,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 03:58:35,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 03:58:35,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 03:58:35,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 03:58:35,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 03:58:35,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 03:58:35,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 03:58:35,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 03:58:35,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 03:58:35,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 03:58:35,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 03:58:35,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 03:58:35,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 03:58:35,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 03:58:35,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 03:58:35,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 03:58:35,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 03:58:35,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 03:58:35,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 03:58:35,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 03:58:35,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 03:58:35,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 03:58:35,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 03:58:35,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 03:58:35,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 03:58:35,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 03:58:35,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 03:58:35,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 03:58:35,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 03:58:35,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 03:58:35,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 03:58:35,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 03:58:35,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 03:58:35,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 03:58:35,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 03:58:35,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 03:58:35,886 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 03:58:35,918 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 03:58:35,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 03:58:35,919 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 03:58:35,919 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 03:58:35,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 03:58:35,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 03:58:35,921 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 03:58:35,921 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 03:58:35,921 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 03:58:35,922 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 03:58:35,922 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 03:58:35,923 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 03:58:35,923 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 03:58:35,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 03:58:35,923 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 03:58:35,924 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 03:58:35,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 03:58:35,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 03:58:35,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 03:58:35,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 03:58:35,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 03:58:35,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 03:58:35,925 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 03:58:35,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 03:58:35,925 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 03:58:35,925 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 03:58:35,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 03:58:35,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 03:58:35,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 03:58:35,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 03:58:35,927 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 03:58:35,928 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 03:58:35,928 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dedd0e691082a54e7ab91bc5c89cd5119d7051d93eccccd50f69369896fe2c2c [2022-02-21 03:58:36,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 03:58:36,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 03:58:36,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 03:58:36,192 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 03:58:36,192 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 03:58:36,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i [2022-02-21 03:58:36,257 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10ce02555/d60351604f074fd2bb1bb599c53f6d34/FLAG5f4e4c6ca [2022-02-21 03:58:36,734 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 03:58:36,734 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i [2022-02-21 03:58:36,739 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10ce02555/d60351604f074fd2bb1bb599c53f6d34/FLAG5f4e4c6ca [2022-02-21 03:58:36,752 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10ce02555/d60351604f074fd2bb1bb599c53f6d34 [2022-02-21 03:58:36,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 03:58:36,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 03:58:36,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 03:58:36,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 03:58:36,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 03:58:36,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:58:36" (1/1) ... [2022-02-21 03:58:36,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@673f7570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:58:36, skipping insertion in model container [2022-02-21 03:58:36,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:58:36" (1/1) ... [2022-02-21 03:58:36,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 03:58:36,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 03:58:36,933 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/verisec_NetBSD-libc_loop.i[825,838] [2022-02-21 03:58:36,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:58:36,955 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 03:58:36,966 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/verisec_NetBSD-libc_loop.i[825,838] [2022-02-21 03:58:36,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:58:36,985 INFO L208 MainTranslator]: Completed translation [2022-02-21 03:58:36,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:58:36 WrapperNode [2022-02-21 03:58:36,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 03:58:36,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 03:58:36,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 03:58:36,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 03:58:36,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:58:36" (1/1) ... [2022-02-21 03:58:37,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:58:36" (1/1) ... [2022-02-21 03:58:37,024 INFO L137 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2022-02-21 03:58:37,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 03:58:37,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 03:58:37,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 03:58:37,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 03:58:37,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:58:36" (1/1) ... [2022-02-21 03:58:37,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:58:36" (1/1) ... [2022-02-21 03:58:37,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:58:36" (1/1) ... [2022-02-21 03:58:37,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:58:36" (1/1) ... [2022-02-21 03:58:37,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:58:36" (1/1) ... [2022-02-21 03:58:37,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:58:36" (1/1) ... [2022-02-21 03:58:37,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:58:36" (1/1) ... [2022-02-21 03:58:37,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 03:58:37,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 03:58:37,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 03:58:37,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 03:58:37,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:58:36" (1/1) ... [2022-02-21 03:58:37,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:58:37,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:58:37,094 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) [2022-02-21 03:58:37,100 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 [2022-02-21 03:58:37,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 03:58:37,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 03:58:37,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-21 03:58:37,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-21 03:58:37,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 03:58:37,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 03:58:37,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-21 03:58:37,184 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 03:58:37,185 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 03:58:37,290 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 03:58:37,296 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 03:58:37,297 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-21 03:58:37,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:58:37 BoogieIcfgContainer [2022-02-21 03:58:37,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 03:58:37,300 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 03:58:37,300 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 03:58:37,303 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 03:58:37,304 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:58:37,304 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 03:58:36" (1/3) ... [2022-02-21 03:58:37,305 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6fe30540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:58:37, skipping insertion in model container [2022-02-21 03:58:37,305 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:58:37,305 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:58:36" (2/3) ... [2022-02-21 03:58:37,306 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6fe30540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:58:37, skipping insertion in model container [2022-02-21 03:58:37,306 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:58:37,306 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:58:37" (3/3) ... [2022-02-21 03:58:37,307 INFO L388 chiAutomizerObserver]: Analyzing ICFG verisec_NetBSD-libc_loop.i [2022-02-21 03:58:37,363 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 03:58:37,363 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 03:58:37,363 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 03:58:37,363 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 03:58:37,364 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 03:58:37,364 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 03:58:37,364 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 03:58:37,364 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 03:58:37,410 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) [2022-02-21 03:58:37,435 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-02-21 03:58:37,436 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:58:37,436 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:58:37,440 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2022-02-21 03:58:37,440 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-02-21 03:58:37,440 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 03:58:37,441 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) [2022-02-21 03:58:37,444 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-02-21 03:58:37,444 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:58:37,444 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:58:37,445 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2022-02-21 03:58:37,445 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-02-21 03:58:37,451 INFO L791 eck$LassoCheckResult]: Stem: 5#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; 9#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, 32 + 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; 6#L29-4true [2022-02-21 03:58:37,452 INFO L793 eck$LassoCheckResult]: Loop: 6#L29-4true assume glob2_~p~0#1.base == glob2_~pathlim#1.base; 7#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; 8#L15true assume !(0 == __VERIFIER_assert_~cond#1); 10#L15-2true assume { :end_inline___VERIFIER_assert } true;call write~int(1, glob2_~p~0#1.base, glob2_~p~0#1.offset, 4); 12#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; 6#L29-4true [2022-02-21 03:58:37,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:58:37,457 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-02-21 03:58:37,465 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:58:37,479 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363406197] [2022-02-21 03:58:37,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:58:37,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:58:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:58:37,621 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:58:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:58:37,690 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:58:37,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:58:37,695 INFO L85 PathProgramCache]: Analyzing trace with hash 34515950, now seen corresponding path program 1 times [2022-02-21 03:58:37,695 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:58:37,697 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760929189] [2022-02-21 03:58:37,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:58:37,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:58:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:58:37,744 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:58:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:58:37,766 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:58:37,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:58:37,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1805955436, now seen corresponding path program 1 times [2022-02-21 03:58:37,769 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:58:37,770 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902458772] [2022-02-21 03:58:37,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:58:37,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:58:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:58:37,827 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:58:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:58:37,867 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:58:38,582 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:58:38,583 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:58:38,583 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:58:38,584 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:58:38,584 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:58:38,584 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:58:38,584 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:58:38,584 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:58:38,584 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_NetBSD-libc_loop.i_Iteration1_Lasso [2022-02-21 03:58:38,585 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:58:38,585 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:58:38,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:58:38,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:58:38,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:58:38,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:58:38,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:58:38,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:58:39,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:58:39,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:58:39,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:58:39,543 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:58:39,546 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:58:39,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:58:39,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:58:39,552 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:58:39,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:58:39,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-02-21 03:58:39,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:58:39,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:58:39,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:58:39,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:58:39,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:58:39,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:58:39,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:58:39,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:58:39,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-02-21 03:58:39,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:58:39,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:58:39,609 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:58:39,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-02-21 03:58:39,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:58:39,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:58:39,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:58:39,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:58:39,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:58:39,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:58:39,618 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:58:39,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:58:39,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:58:39,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-02-21 03:58:39,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:58:39,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:58:39,637 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) [2022-02-21 03:58:39,638 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 [2022-02-21 03:58:39,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:58:39,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:58:39,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:58:39,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:58:39,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:58:39,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:58:39,646 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:58:39,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:58:39,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:58:39,666 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 [2022-02-21 03:58:39,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:58:39,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:58:39,668 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) [2022-02-21 03:58:39,669 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 [2022-02-21 03:58:39,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:58:39,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:58:39,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:58:39,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:58:39,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:58:39,679 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:58:39,679 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:58:39,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:58:39,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-02-21 03:58:39,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:58:39,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:58:39,726 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) [2022-02-21 03:58:39,727 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 [2022-02-21 03:58:39,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:58:39,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:58:39,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:58:39,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:58:39,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:58:39,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:58:39,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:58:39,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:58:39,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:58:39,771 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 [2022-02-21 03:58:39,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:58:39,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:58:39,773 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) [2022-02-21 03:58:39,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:58:39,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:58:39,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:58:39,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:58:39,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:58:39,791 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:58:39,791 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:58:39,794 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 [2022-02-21 03:58:39,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:58:39,826 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 [2022-02-21 03:58:39,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:58:39,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:58:39,828 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) [2022-02-21 03:58:39,830 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 [2022-02-21 03:58:39,830 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:58:39,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:58:39,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:58:39,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:58:39,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:58:39,841 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:58:39,841 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:58:39,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:58:39,863 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 [2022-02-21 03:58:39,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:58:39,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:58:39,864 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) [2022-02-21 03:58:39,865 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 [2022-02-21 03:58:39,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:58:39,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:58:39,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:58:39,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:58:39,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:58:39,875 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:58:39,875 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:58:39,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:58:39,924 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 [2022-02-21 03:58:39,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:58:39,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:58:39,926 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) [2022-02-21 03:58:39,933 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 [2022-02-21 03:58:39,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:58:39,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:58:39,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:58:39,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:58:39,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:58:39,952 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:58:39,952 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:58:39,968 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-02-21 03:58:40,008 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2022-02-21 03:58:40,009 INFO L444 ModelExtractionUtils]: 8 out of 34 variables were initially zero. Simplification set additionally 23 variables to zero. [2022-02-21 03:58:40,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:58:40,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:58:40,012 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) [2022-02-21 03:58:40,013 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 [2022-02-21 03:58:40,015 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-02-21 03:58:40,037 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-02-21 03:58:40,037 INFO L513 LassoAnalysis]: Proved termination. [2022-02-21 03:58:40,038 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 [] [2022-02-21 03:58:40,063 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-02-21 03:58:40,103 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2022-02-21 03:58:40,110 INFO L390 LassoCheck]: Loop: "assume glob2_~p~0#1.base == glob2_~pathlim#1.base;" "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;" "assume !(0 == __VERIFIER_assert_~cond#1);" "assume { :end_inline___VERIFIER_assert } true;call write~int(1, glob2_~p~0#1.base, glob2_~p~0#1.offset, 4);" "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;" [2022-02-21 03:58:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:58:40,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:58:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:58:40,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-21 03:58:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:58:40,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:58:40,227 INFO L290 TraceCheckUtils]: 0: Hoare triple {23#unseeded} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2);~tmp~0.base, ~tmp~0.offset := 0, 0; {23#unseeded} is VALID [2022-02-21 03:58:40,228 INFO L290 TraceCheckUtils]: 1: Hoare triple {23#unseeded} 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, 32 + 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; {82#(and (= |ULTIMATE.start_main_~#pathbuf~0#1.base| |ULTIMATE.start_glob2_~p~0#1.base|) unseeded)} is VALID [2022-02-21 03:58:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:58:40,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-21 03:58:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:58:40,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:58:40,337 INFO L290 TraceCheckUtils]: 0: Hoare triple {83#(and (= |ULTIMATE.start_main_~#pathbuf~0#1.base| |ULTIMATE.start_glob2_~p~0#1.base|) (>= oldRank0 (+ (select |#length| |ULTIMATE.start_main_~#pathbuf~0#1.base|) (* (- 1) |ULTIMATE.start_glob2_~p~0#1.offset|))))} assume glob2_~p~0#1.base == glob2_~pathlim#1.base; {83#(and (= |ULTIMATE.start_main_~#pathbuf~0#1.base| |ULTIMATE.start_glob2_~p~0#1.base|) (>= oldRank0 (+ (select |#length| |ULTIMATE.start_main_~#pathbuf~0#1.base|) (* (- 1) |ULTIMATE.start_glob2_~p~0#1.offset|))))} is VALID [2022-02-21 03:58:40,339 INFO L290 TraceCheckUtils]: 1: Hoare triple {83#(and (= |ULTIMATE.start_main_~#pathbuf~0#1.base| |ULTIMATE.start_glob2_~p~0#1.base|) (>= oldRank0 (+ (select |#length| |ULTIMATE.start_main_~#pathbuf~0#1.base|) (* (- 1) |ULTIMATE.start_glob2_~p~0#1.offset|))))} 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; {83#(and (= |ULTIMATE.start_main_~#pathbuf~0#1.base| |ULTIMATE.start_glob2_~p~0#1.base|) (>= oldRank0 (+ (select |#length| |ULTIMATE.start_main_~#pathbuf~0#1.base|) (* (- 1) |ULTIMATE.start_glob2_~p~0#1.offset|))))} is VALID [2022-02-21 03:58:40,339 INFO L290 TraceCheckUtils]: 2: Hoare triple {83#(and (= |ULTIMATE.start_main_~#pathbuf~0#1.base| |ULTIMATE.start_glob2_~p~0#1.base|) (>= oldRank0 (+ (select |#length| |ULTIMATE.start_main_~#pathbuf~0#1.base|) (* (- 1) |ULTIMATE.start_glob2_~p~0#1.offset|))))} assume !(0 == __VERIFIER_assert_~cond#1); {83#(and (= |ULTIMATE.start_main_~#pathbuf~0#1.base| |ULTIMATE.start_glob2_~p~0#1.base|) (>= oldRank0 (+ (select |#length| |ULTIMATE.start_main_~#pathbuf~0#1.base|) (* (- 1) |ULTIMATE.start_glob2_~p~0#1.offset|))))} is VALID [2022-02-21 03:58:40,340 INFO L290 TraceCheckUtils]: 3: Hoare triple {83#(and (= |ULTIMATE.start_main_~#pathbuf~0#1.base| |ULTIMATE.start_glob2_~p~0#1.base|) (>= oldRank0 (+ (select |#length| |ULTIMATE.start_main_~#pathbuf~0#1.base|) (* (- 1) |ULTIMATE.start_glob2_~p~0#1.offset|))))} assume { :end_inline___VERIFIER_assert } true;call write~int(1, glob2_~p~0#1.base, glob2_~p~0#1.offset, 4); {103#(and (= |ULTIMATE.start_main_~#pathbuf~0#1.base| |ULTIMATE.start_glob2_~p~0#1.base|) (>= oldRank0 (+ (select |#length| |ULTIMATE.start_main_~#pathbuf~0#1.base|) (* (- 1) |ULTIMATE.start_glob2_~p~0#1.offset|))) (<= (+ |ULTIMATE.start_glob2_~p~0#1.offset| 4) (select |#length| |ULTIMATE.start_glob2_~p~0#1.base|)))} is VALID [2022-02-21 03:58:40,341 INFO L290 TraceCheckUtils]: 4: Hoare triple {103#(and (= |ULTIMATE.start_main_~#pathbuf~0#1.base| |ULTIMATE.start_glob2_~p~0#1.base|) (>= oldRank0 (+ (select |#length| |ULTIMATE.start_main_~#pathbuf~0#1.base|) (* (- 1) |ULTIMATE.start_glob2_~p~0#1.offset|))) (<= (+ |ULTIMATE.start_glob2_~p~0#1.offset| 4) (select |#length| |ULTIMATE.start_glob2_~p~0#1.base|)))} 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; {85#(and (= |ULTIMATE.start_main_~#pathbuf~0#1.base| |ULTIMATE.start_glob2_~p~0#1.base|) (or unseeded (and (>= oldRank0 0) (> oldRank0 (+ (select |#length| |ULTIMATE.start_main_~#pathbuf~0#1.base|) (* (- 1) |ULTIMATE.start_glob2_~p~0#1.offset|))))))} is VALID [2022-02-21 03:58:40,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 03:58:40,387 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 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) [2022-02-21 03:58:40,406 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:58:40,408 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 2 letters. Loop has 5 letters. [2022-02-21 03:58:40,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,414 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 [2022-02-21 03:58:40,415 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) [2022-02-21 03:58:40,497 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. [2022-02-21 03:58:40,497 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 [2022-02-21 03:58:40,497 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:58:40,497 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) [2022-02-21 03:58:40,499 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-02-21 03:58:40,499 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:58:40,499 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:58:40,500 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. 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) [2022-02-21 03:58:40,503 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-02-21 03:58:40,503 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:58:40,503 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:58:40,503 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 38 transitions. [2022-02-21 03:58:40,504 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:58:40,504 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:58:40,506 INFO L70 LassoExtractor]: Start lassoExtractor. 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) [2022-02-21 03:58:40,508 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-02-21 03:58:40,509 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 6 examples of accepted words. [2022-02-21 03:58:40,510 INFO L70 LassoExtractor]: Start lassoExtractor. 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) [2022-02-21 03:58:40,512 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-02-21 03:58:40,512 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:58:40,512 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 32 states and 38 transitions. cyclomatic complexity: 8 [2022-02-21 03:58:40,513 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 38 transitions. cyclomatic complexity: 8 [2022-02-21 03:58:40,513 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:58:40,513 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2022-02-21 03:58:40,513 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 2 letters. Loop has 5 letters. [2022-02-21 03:58:40,513 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,514 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 2 letters. Loop has 5 letters. [2022-02-21 03:58:40,514 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,514 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 38 transitions. cyclomatic complexity: 8 Stem has 2 letters. Loop has 5 letters. [2022-02-21 03:58:40,514 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,515 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 1 letters. Loop has 3 letters. [2022-02-21 03:58:40,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,515 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 1 letters. Loop has 3 letters. [2022-02-21 03:58:40,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,515 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 38 transitions. cyclomatic complexity: 8 Stem has 1 letters. Loop has 3 letters. [2022-02-21 03:58:40,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,516 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 32 letters. Loop has 32 letters. [2022-02-21 03:58:40,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,516 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 32 letters. Loop has 32 letters. [2022-02-21 03:58:40,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 38 transitions. cyclomatic complexity: 8 Stem has 32 letters. Loop has 32 letters. [2022-02-21 03:58:40,517 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,517 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 13 letters. Loop has 13 letters. [2022-02-21 03:58:40,517 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,517 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 13 letters. Loop has 13 letters. [2022-02-21 03:58:40,517 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,517 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 38 transitions. cyclomatic complexity: 8 Stem has 13 letters. Loop has 13 letters. [2022-02-21 03:58:40,518 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,518 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 5 letters. Loop has 5 letters. [2022-02-21 03:58:40,518 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,518 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 5 letters. Loop has 5 letters. [2022-02-21 03:58:40,518 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,519 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 38 transitions. cyclomatic complexity: 8 Stem has 5 letters. Loop has 5 letters. [2022-02-21 03:58:40,519 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,519 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 4 letters. Loop has 5 letters. [2022-02-21 03:58:40,519 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,519 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 4 letters. Loop has 5 letters. [2022-02-21 03:58:40,520 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,520 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 38 transitions. cyclomatic complexity: 8 Stem has 4 letters. Loop has 5 letters. [2022-02-21 03:58:40,520 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,520 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 6 letters. Loop has 5 letters. [2022-02-21 03:58:40,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,521 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 6 letters. Loop has 5 letters. [2022-02-21 03:58:40,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,521 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 38 transitions. cyclomatic complexity: 8 Stem has 6 letters. Loop has 5 letters. [2022-02-21 03:58:40,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,522 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 5 letters. Loop has 6 letters. [2022-02-21 03:58:40,522 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,522 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 5 letters. Loop has 6 letters. [2022-02-21 03:58:40,523 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,523 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 38 transitions. cyclomatic complexity: 8 Stem has 5 letters. Loop has 6 letters. [2022-02-21 03:58:40,523 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,523 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 3 letters. Loop has 5 letters. [2022-02-21 03:58:40,523 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,524 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 3 letters. Loop has 5 letters. [2022-02-21 03:58:40,524 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,524 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 38 transitions. cyclomatic complexity: 8 Stem has 3 letters. Loop has 5 letters. [2022-02-21 03:58:40,524 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,524 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 2 letters. Loop has 5 letters. [2022-02-21 03:58:40,525 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,525 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 2 letters. Loop has 5 letters. [2022-02-21 03:58:40,525 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,525 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 38 transitions. cyclomatic complexity: 8 Stem has 2 letters. Loop has 5 letters. [2022-02-21 03:58:40,525 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,526 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 5 letters. Loop has 5 letters. [2022-02-21 03:58:40,526 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,526 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 5 letters. Loop has 5 letters. [2022-02-21 03:58:40,526 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,526 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 38 transitions. cyclomatic complexity: 8 Stem has 5 letters. Loop has 5 letters. [2022-02-21 03:58:40,527 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,527 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:58:40,527 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,527 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:58:40,527 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,527 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 38 transitions. cyclomatic complexity: 8 Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:58:40,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,528 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 1 letters. Loop has 3 letters. [2022-02-21 03:58:40,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,528 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 1 letters. Loop has 3 letters. [2022-02-21 03:58:40,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,528 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 38 transitions. cyclomatic complexity: 8 Stem has 1 letters. Loop has 3 letters. [2022-02-21 03:58:40,529 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,529 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:58:40,533 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) [2022-02-21 03:58:40,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2022-02-21 03:58:40,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 2 letters. Loop has 5 letters. [2022-02-21 03:58:40,535 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 7 letters. Loop has 5 letters. [2022-02-21 03:58:40,535 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 2 letters. Loop has 10 letters. [2022-02-21 03:58:40,535 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:58:40,536 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 38 transitions. cyclomatic complexity: 8 [2022-02-21 03:58:40,539 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:58:40,541 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2022-02-21 03:58:40,541 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-02-21 03:58:40,541 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-02-21 03:58:40,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-02-21 03:58:40,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 03:58:40,542 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:58:40,542 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:58:40,542 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:58:40,542 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 03:58:40,543 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-02-21 03:58:40,543 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:58:40,543 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:58:40,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 03:58:40 BoogieIcfgContainer [2022-02-21 03:58:40,548 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 03:58:40,549 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 03:58:40,549 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 03:58:40,549 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 03:58:40,550 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:58:37" (3/4) ... [2022-02-21 03:58:40,552 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-21 03:58:40,552 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 03:58:40,553 INFO L158 Benchmark]: Toolchain (without parser) took 3796.31ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 68.2MB in the beginning and 60.4MB in the end (delta: 7.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-02-21 03:58:40,553 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:58:40,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.49ms. Allocated memory is still 98.6MB. Free memory was 67.9MB in the beginning and 72.2MB in the end (delta: -4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 03:58:40,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.30ms. Allocated memory is still 98.6MB. Free memory was 72.2MB in the beginning and 70.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:58:40,555 INFO L158 Benchmark]: Boogie Preprocessor took 41.52ms. Allocated memory is still 98.6MB. Free memory was 70.5MB in the beginning and 69.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:58:40,555 INFO L158 Benchmark]: RCFGBuilder took 230.85ms. Allocated memory is still 98.6MB. Free memory was 69.4MB in the beginning and 59.3MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-21 03:58:40,556 INFO L158 Benchmark]: BuchiAutomizer took 3248.34ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 59.3MB in the beginning and 60.4MB in the end (delta: -1.1MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2022-02-21 03:58:40,556 INFO L158 Benchmark]: Witness Printer took 3.14ms. Allocated memory is still 119.5MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:58:40,559 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 98.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.49ms. Allocated memory is still 98.6MB. Free memory was 67.9MB in the beginning and 72.2MB in the end (delta: -4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.30ms. Allocated memory is still 98.6MB. Free memory was 72.2MB in the beginning and 70.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.52ms. Allocated memory is still 98.6MB. Free memory was 70.5MB in the beginning and 69.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 230.85ms. Allocated memory is still 98.6MB. Free memory was 69.4MB in the beginning and 59.3MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3248.34ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 59.3MB in the beginning and 60.4MB in the end (delta: -1.1MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * Witness Printer took 3.14ms. Allocated memory is still 119.5MB. Free memory is still 60.4MB. There was no memory consumed. 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 3.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 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: 36ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-02-21 03:58:40,595 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 [2022-02-21 03:58:40,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE