./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b1c73403384a361e15608c077b8e86297621fa69c42f15894e841079f64af74a --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:10:43,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:10:43,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:10:43,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:10:43,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:10:43,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:10:43,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:10:43,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:10:43,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:10:43,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:10:43,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:10:43,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:10:43,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:10:43,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:10:43,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:10:43,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:10:43,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:10:43,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:10:43,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:10:43,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:10:43,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:10:43,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:10:43,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:10:43,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:10:43,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:10:43,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:10:43,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:10:43,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:10:43,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:10:43,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:10:43,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:10:43,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:10:43,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:10:43,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:10:43,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:10:43,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:10:43,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:10:43,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:10:43,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:10:43,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:10:43,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:10:43,828 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:10:43,853 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:10:43,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:10:43,854 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:10:43,855 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:10:43,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:10:43,856 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:10:43,856 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:10:43,856 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:10:43,857 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:10:43,857 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:10:43,858 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:10:43,858 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:10:43,858 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:10:43,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:10:43,858 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:10:43,859 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:10:43,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:10:43,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:10:43,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:10:43,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:10:43,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:10:43,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:10:43,860 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:10:43,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:10:43,861 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:10:43,862 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:10:43,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:10:43,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:10:43,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:10:43,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:10:43,863 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:10:43,863 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:10:43,864 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:10:43,865 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1c73403384a361e15608c077b8e86297621fa69c42f15894e841079f64af74a [2021-12-15 17:10:44,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:10:44,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:10:44,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:10:44,148 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:10:44,149 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:10:44,150 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i [2021-12-15 17:10:44,225 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ee179a3e/92fafaf733064189a2f535941e279de7/FLAGdcf9ac108 [2021-12-15 17:10:44,600 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:10:44,601 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i [2021-12-15 17:10:44,610 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ee179a3e/92fafaf733064189a2f535941e279de7/FLAGdcf9ac108 [2021-12-15 17:10:45,025 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ee179a3e/92fafaf733064189a2f535941e279de7 [2021-12-15 17:10:45,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:10:45,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:10:45,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:10:45,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:10:45,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:10:45,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:10:45" (1/1) ... [2021-12-15 17:10:45,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d72f32b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:45, skipping insertion in model container [2021-12-15 17:10:45,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:10:45" (1/1) ... [2021-12-15 17:10:45,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:10:45,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:10:45,160 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i[825,838] [2021-12-15 17:10:45,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:10:45,194 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:10:45,204 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i[825,838] [2021-12-15 17:10:45,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:10:45,227 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:10:45,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:45 WrapperNode [2021-12-15 17:10:45,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:10:45,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:10:45,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:10:45,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:10:45,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:45" (1/1) ... [2021-12-15 17:10:45,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:45" (1/1) ... [2021-12-15 17:10:45,262 INFO L137 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2021-12-15 17:10:45,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:10:45,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:10:45,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:10:45,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:10:45,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:45" (1/1) ... [2021-12-15 17:10:45,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:45" (1/1) ... [2021-12-15 17:10:45,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:45" (1/1) ... [2021-12-15 17:10:45,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:45" (1/1) ... [2021-12-15 17:10:45,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:45" (1/1) ... [2021-12-15 17:10:45,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:45" (1/1) ... [2021-12-15 17:10:45,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:45" (1/1) ... [2021-12-15 17:10:45,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:10:45,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:10:45,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:10:45,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:10:45,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:45" (1/1) ... [2021-12-15 17:10:45,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:45,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:45,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:45,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-15 17:10:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:10:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:10:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 17:10:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 17:10:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:10:45,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:10:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 17:10:45,446 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:10:45,447 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:10:45,564 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:10:45,569 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:10:45,569 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 17:10:45,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:10:45 BoogieIcfgContainer [2021-12-15 17:10:45,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:10:45,572 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:10:45,572 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:10:45,575 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:10:45,576 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:10:45,576 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:10:45" (1/3) ... [2021-12-15 17:10:45,577 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24021f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:10:45, skipping insertion in model container [2021-12-15 17:10:45,577 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:10:45,577 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:10:45" (2/3) ... [2021-12-15 17:10:45,578 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24021f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:10:45, skipping insertion in model container [2021-12-15 17:10:45,578 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:10:45,578 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:10:45" (3/3) ... [2021-12-15 17:10:45,579 INFO L388 chiAutomizerObserver]: Analyzing ICFG veris.c_NetBSD-libc_loop.i [2021-12-15 17:10:45,617 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:10:45,618 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:10:45,618 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:10:45,618 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:10:45,618 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:10:45,618 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:10:45,618 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:10:45,619 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:10:45,631 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) [2021-12-15 17:10:45,646 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-15 17:10:45,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:10:45,646 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:10:45,651 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:10:45,651 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-15 17:10:45,651 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:10:45,652 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) [2021-12-15 17:10:45,653 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-15 17:10:45,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:10:45,653 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:10:45,653 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:10:45,654 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-15 17:10:45,659 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, 8 + main_~#pathbuf~0#1.offset - 4;~tmp~0.base, ~tmp~0.offset := main_~#pathbuf~0#1.base, 8 + main_~#pathbuf~0#1.offset - 4;assume { :begin_inline_glob2 } true;glob2_#in~pathbuf#1.base, glob2_#in~pathbuf#1.offset, glob2_#in~pathlim#1.base, glob2_#in~pathlim#1.offset := main_~#pathbuf~0#1.base, main_~#pathbuf~0#1.offset, main_~bound~0#1.base, main_~bound~0#1.offset;havoc glob2_#res#1;havoc glob2_#t~post1#1.base, glob2_#t~post1#1.offset, glob2_~pathbuf#1.base, glob2_~pathbuf#1.offset, glob2_~pathlim#1.base, glob2_~pathlim#1.offset, glob2_~p~0#1.base, glob2_~p~0#1.offset;glob2_~pathbuf#1.base, glob2_~pathbuf#1.offset := glob2_#in~pathbuf#1.base, glob2_#in~pathbuf#1.offset;glob2_~pathlim#1.base, glob2_~pathlim#1.offset := glob2_#in~pathlim#1.base, glob2_#in~pathlim#1.offset;havoc glob2_~p~0#1.base, glob2_~p~0#1.offset;glob2_~p~0#1.base, glob2_~p~0#1.offset := glob2_~pathbuf#1.base, glob2_~pathbuf#1.offset; 6#L29-4true [2021-12-15 17:10:45,660 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 [2021-12-15 17:10:45,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:10:45,665 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-15 17:10:45,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:10:45,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864624509] [2021-12-15 17:10:45,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:10:45,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:10:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:10:45,797 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:10:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:10:45,847 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:10:45,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:10:45,851 INFO L85 PathProgramCache]: Analyzing trace with hash 34515950, now seen corresponding path program 1 times [2021-12-15 17:10:45,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:10:45,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384408160] [2021-12-15 17:10:45,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:10:45,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:10:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:10:45,884 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:10:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:10:45,916 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:10:45,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:10:45,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1805955436, now seen corresponding path program 1 times [2021-12-15 17:10:45,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:10:45,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983835278] [2021-12-15 17:10:45,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:10:45,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:10:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:10:45,942 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:10:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:10:45,981 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:10:46,674 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:10:46,674 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:10:46,674 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:10:46,675 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:10:46,675 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:10:46,675 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:46,675 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:10:46,675 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:10:46,675 INFO L133 ssoRankerPreferences]: Filename of dumped script: veris.c_NetBSD-libc_loop.i_Iteration1_Lasso [2021-12-15 17:10:46,675 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:10:46,675 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:10:46,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:10:46,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:10:46,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:10:46,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:10:46,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:10:46,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:10:47,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:10:47,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:10:47,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:10:47,457 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:10:47,461 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:10:47,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:47,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:47,467 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:47,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:10:47,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:47,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:10:47,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:47,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:47,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:47,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:10:47,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:10:47,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-15 17:10:47,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:47,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-15 17:10:47,512 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:47,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:47,513 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:10:47,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-15 17:10:47,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:10:47,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:47,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:10:47,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:47,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:47,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:47,525 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:10:47,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:10:47,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:47,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-15 17:10:47,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:47,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:47,543 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) [2021-12-15 17:10:47,543 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 [2021-12-15 17:10:47,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:10:47,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:47,553 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:10:47,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:47,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:47,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:47,554 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:10:47,554 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:10:47,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:47,583 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 [2021-12-15 17:10:47,584 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:47,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:47,585 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) [2021-12-15 17:10:47,585 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 [2021-12-15 17:10:47,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:10:47,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:47,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:47,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:47,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:47,596 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:47,596 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:47,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:47,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-15 17:10:47,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:47,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:47,636 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) [2021-12-15 17:10:47,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:10:47,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:47,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:10:47,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:47,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:47,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:47,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:10:47,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:10:47,659 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 [2021-12-15 17:10:47,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:47,685 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 [2021-12-15 17:10:47,686 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:47,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:47,687 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) [2021-12-15 17:10:47,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:10:47,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:47,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:47,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:47,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:47,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:47,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:47,707 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 [2021-12-15 17:10:47,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:47,740 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 [2021-12-15 17:10:47,740 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:47,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:47,741 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) [2021-12-15 17:10:47,742 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 [2021-12-15 17:10:47,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:10:47,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:47,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:47,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:47,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:47,762 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:47,762 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:47,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:47,790 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 [2021-12-15 17:10:47,790 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:47,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:47,791 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) [2021-12-15 17:10:47,792 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 [2021-12-15 17:10:47,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:10:47,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:47,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:47,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:47,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:47,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:47,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:47,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:10:47,833 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 [2021-12-15 17:10:47,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:47,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:47,834 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) [2021-12-15 17:10:47,835 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 [2021-12-15 17:10:47,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:10:47,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:10:47,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:10:47,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:10:47,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:10:47,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:10:47,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:10:47,871 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:10:47,909 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-12-15 17:10:47,909 INFO L444 ModelExtractionUtils]: 10 out of 34 variables were initially zero. Simplification set additionally 19 variables to zero. [2021-12-15 17:10:47,911 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:10:47,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:10:47,927 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) [2021-12-15 17:10:47,999 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 [2021-12-15 17:10:48,000 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:10:48,010 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-15 17:10:48,010 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:10:48,010 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_glob2_~p~0#1.offset) = -1*ULTIMATE.start_glob2_~p~0#1.offset + 10 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_glob2_~p~0#1.base)_1 + 8 >= 0] [2021-12-15 17:10:48,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-15 17:10:48,058 INFO L297 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2021-12-15 17:10:48,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:10:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:10:48,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-15 17:10:48,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:10:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:10:48,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-15 17:10:48,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:10:48,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:10:48,199 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 [2021-12-15 17:10:48,200 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) [2021-12-15 17:10:48,290 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 35 states and 41 transitions. Complement of second has 7 states. [2021-12-15 17:10:48,292 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 [2021-12-15 17:10:48,296 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) [2021-12-15 17:10:48,298 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 [2021-12-15 17:10:48,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2021-12-15 17:10:48,301 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 5 letters. [2021-12-15 17:10:48,301 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:10:48,301 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 7 letters. Loop has 5 letters. [2021-12-15 17:10:48,301 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:10:48,302 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 10 letters. [2021-12-15 17:10:48,302 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:10:48,303 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 41 transitions. [2021-12-15 17:10:48,304 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-15 17:10:48,306 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2021-12-15 17:10:48,307 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-15 17:10:48,307 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-15 17:10:48,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-15 17:10:48,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:10:48,308 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:10:48,308 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:10:48,308 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:10:48,308 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-15 17:10:48,308 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-15 17:10:48,308 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-15 17:10:48,308 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-15 17:10:48,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.12 05:10:48 BoogieIcfgContainer [2021-12-15 17:10:48,312 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-15 17:10:48,313 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 17:10:48,313 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 17:10:48,313 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 17:10:48,313 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:10:45" (3/4) ... [2021-12-15 17:10:48,315 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-15 17:10:48,315 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 17:10:48,316 INFO L158 Benchmark]: Toolchain (without parser) took 3283.92ms. Allocated memory was 96.5MB in the beginning and 136.3MB in the end (delta: 39.8MB). Free memory was 64.9MB in the beginning and 108.6MB in the end (delta: -43.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:10:48,317 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory was 53.3MB in the beginning and 53.3MB in the end (delta: 39.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:10:48,317 INFO L158 Benchmark]: CACSL2BoogieTranslator took 193.04ms. Allocated memory was 96.5MB in the beginning and 136.3MB in the end (delta: 39.8MB). Free memory was 64.6MB in the beginning and 113.0MB in the end (delta: -48.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 17:10:48,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.56ms. Allocated memory is still 136.3MB. Free memory was 113.0MB in the beginning and 111.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:10:48,318 INFO L158 Benchmark]: Boogie Preprocessor took 44.27ms. Allocated memory is still 136.3MB. Free memory was 111.3MB in the beginning and 110.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:10:48,319 INFO L158 Benchmark]: RCFGBuilder took 262.27ms. Allocated memory is still 136.3MB. Free memory was 110.3MB in the beginning and 100.9MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 17:10:48,319 INFO L158 Benchmark]: BuchiAutomizer took 2740.40ms. Allocated memory is still 136.3MB. Free memory was 100.9MB in the beginning and 109.6MB in the end (delta: -8.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:10:48,320 INFO L158 Benchmark]: Witness Printer took 2.87ms. Allocated memory is still 136.3MB. Free memory was 109.6MB in the beginning and 108.6MB in the end (delta: 979.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:10:48,322 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory was 53.3MB in the beginning and 53.3MB in the end (delta: 39.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 193.04ms. Allocated memory was 96.5MB in the beginning and 136.3MB in the end (delta: 39.8MB). Free memory was 64.6MB in the beginning and 113.0MB in the end (delta: -48.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.56ms. Allocated memory is still 136.3MB. Free memory was 113.0MB in the beginning and 111.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.27ms. Allocated memory is still 136.3MB. Free memory was 111.3MB in the beginning and 110.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 262.27ms. Allocated memory is still 136.3MB. Free memory was 110.3MB in the beginning and 100.9MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2740.40ms. Allocated memory is still 136.3MB. Free memory was 100.9MB in the beginning and 109.6MB in the end (delta: -8.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.87ms. Allocated memory is still 136.3MB. Free memory was 109.6MB in the beginning and 108.6MB in the end (delta: 979.5kB). 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 -1 * p + 10 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 8 mSDtfsCounter, 12 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: 25ms 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! [2021-12-15 17:10:48,353 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