./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrlen_malloc.i --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- 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/termination-15/cstrlen_malloc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 828f2d43c6fb78b536699442877ab1c5eeed38c7b04fa279d6e864f4ea28e6e4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 03:35:05,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 03:35:05,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 03:35:05,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 03:35:05,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 03:35:05,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 03:35:05,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 03:35:05,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 03:35:05,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 03:35:05,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 03:35:05,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 03:35:05,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 03:35:05,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 03:35:05,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 03:35:05,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 03:35:05,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 03:35:05,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 03:35:05,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 03:35:05,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 03:35:05,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 03:35:05,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 03:35:05,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 03:35:05,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 03:35:05,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 03:35:05,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 03:35:05,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 03:35:05,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 03:35:05,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 03:35:05,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 03:35:05,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 03:35:05,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 03:35:05,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 03:35:05,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 03:35:05,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 03:35:05,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 03:35:05,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 03:35:05,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 03:35:05,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 03:35:05,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 03:35:05,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 03:35:05,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 03:35:05,880 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-02-21 03:35:05,895 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 03:35:05,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 03:35:05,896 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 03:35:05,896 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 03:35:05,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 03:35:05,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 03:35:05,897 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 03:35:05,897 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 03:35:05,897 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 03:35:05,897 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 03:35:05,898 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 03:35:05,898 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 03:35:05,898 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 03:35:05,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 03:35:05,898 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 03:35:05,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 03:35:05,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 03:35:05,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 03:35:05,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 03:35:05,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 03:35:05,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 03:35:05,899 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 03:35:05,899 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 03:35:05,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 03:35:05,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 03:35:05,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 03:35:05,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 03:35:05,900 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 03:35:05,901 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 03:35:05,901 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 828f2d43c6fb78b536699442877ab1c5eeed38c7b04fa279d6e864f4ea28e6e4 [2022-02-21 03:35:06,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 03:35:06,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 03:35:06,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 03:35:06,137 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 03:35:06,138 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 03:35:06,139 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrlen_malloc.i [2022-02-21 03:35:06,183 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d82135351/185429ff92a24916bcbd8711c17c5d05/FLAG60082614c [2022-02-21 03:35:06,572 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 03:35:06,573 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrlen_malloc.i [2022-02-21 03:35:06,583 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d82135351/185429ff92a24916bcbd8711c17c5d05/FLAG60082614c [2022-02-21 03:35:06,596 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d82135351/185429ff92a24916bcbd8711c17c5d05 [2022-02-21 03:35:06,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 03:35:06,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 03:35:06,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 03:35:06,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 03:35:06,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 03:35:06,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:35:06" (1/1) ... [2022-02-21 03:35:06,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b61e72a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:35:06, skipping insertion in model container [2022-02-21 03:35:06,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:35:06" (1/1) ... [2022-02-21 03:35:06,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 03:35:06,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 03:35:06,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:35:06,875 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 03:35:06,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:35:06,949 INFO L208 MainTranslator]: Completed translation [2022-02-21 03:35:06,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:35:06 WrapperNode [2022-02-21 03:35:06,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 03:35:06,951 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 03:35:06,951 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 03:35:06,951 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 03:35:06,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:35:06" (1/1) ... [2022-02-21 03:35:06,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:35:06" (1/1) ... [2022-02-21 03:35:06,978 INFO L137 Inliner]: procedures = 152, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2022-02-21 03:35:06,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 03:35:06,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 03:35:06,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 03:35:06,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 03:35:06,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:35:06" (1/1) ... [2022-02-21 03:35:06,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:35:06" (1/1) ... [2022-02-21 03:35:06,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:35:06" (1/1) ... [2022-02-21 03:35:06,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:35:06" (1/1) ... [2022-02-21 03:35:07,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:35:06" (1/1) ... [2022-02-21 03:35:07,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:35:06" (1/1) ... [2022-02-21 03:35:07,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:35:06" (1/1) ... [2022-02-21 03:35:07,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 03:35:07,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 03:35:07,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 03:35:07,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 03:35:07,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:35:06" (1/1) ... [2022-02-21 03:35:07,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:35:07,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:35:07,038 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 03:35:07,040 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 03:35:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-21 03:35:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-21 03:35:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-21 03:35:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-21 03:35:07,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 03:35:07,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 03:35:07,169 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 03:35:07,170 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 03:35:07,341 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 03:35:07,345 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 03:35:07,345 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-21 03:35:07,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:35:07 BoogieIcfgContainer [2022-02-21 03:35:07,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 03:35:07,347 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 03:35:07,348 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 03:35:07,350 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 03:35:07,351 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:35:07,351 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 03:35:06" (1/3) ... [2022-02-21 03:35:07,352 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26874002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:35:07, skipping insertion in model container [2022-02-21 03:35:07,352 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:35:07,352 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:35:06" (2/3) ... [2022-02-21 03:35:07,352 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26874002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:35:07, skipping insertion in model container [2022-02-21 03:35:07,352 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:35:07,353 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:35:07" (3/3) ... [2022-02-21 03:35:07,354 INFO L388 chiAutomizerObserver]: Analyzing ICFG cstrlen_malloc.i [2022-02-21 03:35:07,390 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 03:35:07,390 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 03:35:07,390 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 03:35:07,390 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 03:35:07,391 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 03:35:07,391 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 03:35:07,391 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 03:35:07,391 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 03:35:07,402 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:35:07,425 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:35:07,425 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:35:07,425 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:35:07,428 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-02-21 03:35:07,429 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2022-02-21 03:35:07,429 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 03:35:07,429 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:35:07,433 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:35:07,433 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:35:07,433 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:35:07,434 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-02-21 03:35:07,434 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2022-02-21 03:35:07,439 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; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet207#1, main_#t~malloc208#1.base, main_#t~malloc208#1.offset, main_#t~ret209#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~res~0#1;main_~length1~0#1 := main_#t~nondet207#1;havoc main_#t~nondet207#1; 12#L373true assume !(main_~length1~0#1 < 1); 10#L373-2true call main_#t~malloc208#1.base, main_#t~malloc208#1.offset := #Ultimate.allocOnHeap(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc208#1.base, main_#t~malloc208#1.offset;havoc main_#t~malloc208#1.base, main_#t~malloc208#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);assume { :begin_inline_cstrlen } true;cstrlen_#in~s#1.base, cstrlen_#in~s#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~post206#1.base, cstrlen_#t~post206#1.offset, cstrlen_#t~mem205#1, cstrlen_~s#1.base, cstrlen_~s#1.offset, cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset;cstrlen_~s#1.base, cstrlen_~s#1.offset := cstrlen_#in~s#1.base, cstrlen_#in~s#1.offset;cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset := cstrlen_~s#1.base, cstrlen_~s#1.offset; 3#L367-3true [2022-02-21 03:35:07,439 INFO L793 eck$LassoCheckResult]: Loop: 3#L367-3true call cstrlen_#t~mem205#1 := read~int(cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset, 1); 11#L367-1true assume !!(0 != cstrlen_#t~mem205#1);havoc cstrlen_#t~mem205#1;cstrlen_#t~post206#1.base, cstrlen_#t~post206#1.offset := cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset;cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset := cstrlen_#t~post206#1.base, 1 + cstrlen_#t~post206#1.offset;havoc cstrlen_#t~post206#1.base, cstrlen_#t~post206#1.offset; 3#L367-3true [2022-02-21 03:35:07,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:35:07,444 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2022-02-21 03:35:07,450 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:35:07,450 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063298186] [2022-02-21 03:35:07,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:35:07,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:35:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:35:07,561 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:35:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:35:07,602 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:35:07,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:35:07,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1414, now seen corresponding path program 1 times [2022-02-21 03:35:07,604 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:35:07,605 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039034748] [2022-02-21 03:35:07,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:35:07,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:35:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:35:07,621 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:35:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:35:07,636 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:35:07,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:35:07,638 INFO L85 PathProgramCache]: Analyzing trace with hash 889568362, now seen corresponding path program 1 times [2022-02-21 03:35:07,638 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:35:07,639 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894147048] [2022-02-21 03:35:07,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:35:07,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:35:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:35:07,657 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:35:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:35:07,675 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:35:07,997 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:35:07,998 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:35:07,998 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:35:07,998 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:35:07,998 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:35:07,998 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:35:07,998 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:35:07,998 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:35:07,999 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrlen_malloc.i_Iteration1_Lasso [2022-02-21 03:35:07,999 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:35:07,999 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:35:08,011 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 03:35:08,016 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 03:35:08,018 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 03:35:08,022 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 03:35:08,025 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 03:35:08,027 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 03:35:08,030 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 03:35:08,032 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 03:35:08,034 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 03:35:08,036 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 03:35:08,039 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 03:35:08,041 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 03:35:08,043 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 03:35:08,644 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:35:08,647 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:35:08,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:35:08,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:35:08,664 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 03:35:08,667 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 03:35:08,669 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 03:35:08,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:35:08,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:35:08,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:35:08,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:35:08,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:35:08,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:35:08,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:35:08,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:35:08,709 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 03:35:08,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:35:08,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:35:08,711 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 03:35:08,712 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 03:35:08,715 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 03:35:08,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:35:08,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:35:08,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:35:08,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:35:08,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:35:08,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:35:08,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:35:08,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:35:08,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-02-21 03:35:08,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:35:08,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:35:08,763 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 03:35:08,765 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 03:35:08,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-02-21 03:35:08,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:35:08,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:35:08,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:35:08,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:35:08,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:35:08,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:35:08,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:35:08,810 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 03:35:08,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:35:08,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:35:08,812 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 03:35:08,812 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 03:35:08,814 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 03:35:08,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:35:08,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:35:08,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:35:08,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:35:08,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:35:08,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:35:08,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:35:08,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:35:08,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-02-21 03:35:08,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:35:08,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:35:08,849 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 03:35:08,850 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 03:35:08,851 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 03:35:08,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:35:08,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:35:08,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:35:08,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:35:08,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:35:08,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:35:08,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:35:08,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:35:08,879 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 03:35:08,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:35:08,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:35:08,880 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 03:35:08,881 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 03:35:08,928 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 03:35:08,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:35:08,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:35:08,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:35:08,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:35:08,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:35:08,936 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:35:08,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:35:08,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:35:08,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-02-21 03:35:08,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:35:08,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:35:08,959 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 03:35:08,961 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 03:35:08,963 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 03:35:08,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:35:08,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:35:08,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:35:08,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:35:08,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:35:08,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:35:08,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:35:08,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:35:08,993 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 03:35:08,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:35:08,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:35:08,996 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 03:35:08,997 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 03:35:08,997 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 03:35:09,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:35:09,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:35:09,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:35:09,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:35:09,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:35:09,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:35:09,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:35:09,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:35:09,048 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 03:35:09,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:35:09,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:35:09,050 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 03:35:09,050 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 03:35:09,067 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 03:35:09,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:35:09,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:35:09,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:35:09,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:35:09,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:35:09,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:35:09,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:35:09,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:35:09,093 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 03:35:09,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:35:09,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:35:09,094 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 03:35:09,095 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 03:35:09,096 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 03:35:09,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:35:09,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:35:09,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:35:09,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:35:09,104 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:35:09,104 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:35:09,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:35:09,139 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 03:35:09,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:35:09,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:35:09,140 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:35:09,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-02-21 03:35:09,142 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 03:35:09,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:35:09,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:35:09,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:35:09,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:35:09,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:35:09,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:35:09,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:35:09,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:35:09,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-02-21 03:35:09,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:35:09,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:35:09,176 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 03:35:09,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-02-21 03:35:09,187 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 03:35:09,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:35:09,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:35:09,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:35:09,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:35:09,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:35:09,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:35:09,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:35:09,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:35:09,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-02-21 03:35:09,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:35:09,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:35:09,226 INFO L229 MonitoredProcess]: Starting monitored process 14 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 03:35:09,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-02-21 03:35:09,229 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 03:35:09,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:35:09,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:35:09,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:35:09,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:35:09,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:35:09,242 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:35:09,258 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-02-21 03:35:09,304 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-02-21 03:35:09,304 INFO L444 ModelExtractionUtils]: 15 out of 25 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-02-21 03:35:09,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:35:09,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:35:09,307 INFO L229 MonitoredProcess]: Starting monitored process 15 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 03:35:09,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-02-21 03:35:09,309 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-02-21 03:35:09,332 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-02-21 03:35:09,332 INFO L513 LassoAnalysis]: Proved termination. [2022-02-21 03:35:09,333 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrlen_~p~0#1.offset, v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1) = -1*ULTIMATE.start_cstrlen_~p~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1 Supporting invariants [] [2022-02-21 03:35:09,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-02-21 03:35:09,383 INFO L297 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2022-02-21 03:35:09,390 INFO L390 LassoCheck]: Loop: "call cstrlen_#t~mem205#1 := read~int(cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset, 1);" "assume !!(0 != cstrlen_#t~mem205#1);havoc cstrlen_#t~mem205#1;cstrlen_#t~post206#1.base, cstrlen_#t~post206#1.offset := cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset;cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset := cstrlen_#t~post206#1.base, 1 + cstrlen_#t~post206#1.offset;havoc cstrlen_#t~post206#1.base, cstrlen_#t~post206#1.offset;" [2022-02-21 03:35:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:35:09,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:35:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:35:09,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-21 03:35:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:35:09,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:35:09,486 INFO L290 TraceCheckUtils]: 0: Hoare triple {21#unseeded} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; {21#unseeded} is VALID [2022-02-21 03:35:09,486 INFO L290 TraceCheckUtils]: 1: Hoare triple {21#unseeded} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet207#1, main_#t~malloc208#1.base, main_#t~malloc208#1.offset, main_#t~ret209#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~res~0#1;main_~length1~0#1 := main_#t~nondet207#1;havoc main_#t~nondet207#1; {21#unseeded} is VALID [2022-02-21 03:35:09,487 INFO L290 TraceCheckUtils]: 2: Hoare triple {21#unseeded} assume !(main_~length1~0#1 < 1); {21#unseeded} is VALID [2022-02-21 03:35:09,488 INFO L290 TraceCheckUtils]: 3: Hoare triple {21#unseeded} call main_#t~malloc208#1.base, main_#t~malloc208#1.offset := #Ultimate.allocOnHeap(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc208#1.base, main_#t~malloc208#1.offset;havoc main_#t~malloc208#1.base, main_#t~malloc208#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);assume { :begin_inline_cstrlen } true;cstrlen_#in~s#1.base, cstrlen_#in~s#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~post206#1.base, cstrlen_#t~post206#1.offset, cstrlen_#t~mem205#1, cstrlen_~s#1.base, cstrlen_~s#1.offset, cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset;cstrlen_~s#1.base, cstrlen_~s#1.offset := cstrlen_#in~s#1.base, cstrlen_#in~s#1.offset;cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset := cstrlen_~s#1.base, cstrlen_~s#1.offset; {50#(and unseeded (= |ULTIMATE.start_main_~nondetString1~0#1.base| |ULTIMATE.start_cstrlen_~p~0#1.base|))} is VALID [2022-02-21 03:35:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:35:09,493 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-21 03:35:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:35:09,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:35:09,535 INFO L290 TraceCheckUtils]: 0: Hoare triple {51#(and (= |ULTIMATE.start_main_~nondetString1~0#1.base| |ULTIMATE.start_cstrlen_~p~0#1.base|) (>= oldRank0 (+ (* (- 1) |ULTIMATE.start_cstrlen_~p~0#1.offset|) (select |#length| |ULTIMATE.start_main_~nondetString1~0#1.base|))))} call cstrlen_#t~mem205#1 := read~int(cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset, 1); {68#(and (<= (+ |ULTIMATE.start_cstrlen_~p~0#1.offset| 1) (select |#length| |ULTIMATE.start_cstrlen_~p~0#1.base|)) (= |ULTIMATE.start_main_~nondetString1~0#1.base| |ULTIMATE.start_cstrlen_~p~0#1.base|) (>= oldRank0 (+ (* (- 1) |ULTIMATE.start_cstrlen_~p~0#1.offset|) (select |#length| |ULTIMATE.start_main_~nondetString1~0#1.base|))))} is VALID [2022-02-21 03:35:09,536 INFO L290 TraceCheckUtils]: 1: Hoare triple {68#(and (<= (+ |ULTIMATE.start_cstrlen_~p~0#1.offset| 1) (select |#length| |ULTIMATE.start_cstrlen_~p~0#1.base|)) (= |ULTIMATE.start_main_~nondetString1~0#1.base| |ULTIMATE.start_cstrlen_~p~0#1.base|) (>= oldRank0 (+ (* (- 1) |ULTIMATE.start_cstrlen_~p~0#1.offset|) (select |#length| |ULTIMATE.start_main_~nondetString1~0#1.base|))))} assume !!(0 != cstrlen_#t~mem205#1);havoc cstrlen_#t~mem205#1;cstrlen_#t~post206#1.base, cstrlen_#t~post206#1.offset := cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset;cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset := cstrlen_#t~post206#1.base, 1 + cstrlen_#t~post206#1.offset;havoc cstrlen_#t~post206#1.base, cstrlen_#t~post206#1.offset; {53#(and (or (and (>= oldRank0 0) (> oldRank0 (+ (* (- 1) |ULTIMATE.start_cstrlen_~p~0#1.offset|) (select |#length| |ULTIMATE.start_main_~nondetString1~0#1.base|)))) unseeded) (= |ULTIMATE.start_main_~nondetString1~0#1.base| |ULTIMATE.start_cstrlen_~p~0#1.base|))} is VALID [2022-02-21 03:35:09,536 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 03:35:09,564 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 03:35:09,573 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:35:09,574 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 2 letters. [2022-02-21 03:35:09,576 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,579 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 03:35:09,580 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 03:35:09,630 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 23 states and 26 transitions. Complement of second has 5 states. [2022-02-21 03:35:09,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-02-21 03:35:09,630 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:35:09,630 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:35:09,631 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:35:09,632 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:35:09,632 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:35:09,632 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 03:35:09,634 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:35:09,635 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:35:09,635 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:35:09,635 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 26 transitions. [2022-02-21 03:35:09,635 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:35:09,636 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:35:09,637 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 03:35:09,637 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:35:09,638 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:35:09,638 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 03:35:09,639 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:35:09,639 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:35:09,640 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 23 states and 26 transitions. cyclomatic complexity: 4 [2022-02-21 03:35:09,640 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 26 transitions. cyclomatic complexity: 4 [2022-02-21 03:35:09,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:35:09,640 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2022-02-21 03:35:09,640 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 4 letters. Loop has 2 letters. [2022-02-21 03:35:09,640 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,640 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 2 letters. [2022-02-21 03:35:09,641 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,641 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 26 transitions. cyclomatic complexity: 4 Stem has 4 letters. Loop has 2 letters. [2022-02-21 03:35:09,641 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,641 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:35:09,641 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,641 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 2 letters. [2022-02-21 03:35:09,641 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 26 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:35:09,642 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 23 letters. Loop has 23 letters. [2022-02-21 03:35:09,642 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 23 letters. Loop has 23 letters. [2022-02-21 03:35:09,642 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 26 transitions. cyclomatic complexity: 4 Stem has 23 letters. Loop has 23 letters. [2022-02-21 03:35:09,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 11 letters. Loop has 11 letters. [2022-02-21 03:35:09,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 11 letters. Loop has 11 letters. [2022-02-21 03:35:09,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 26 transitions. cyclomatic complexity: 4 Stem has 11 letters. Loop has 11 letters. [2022-02-21 03:35:09,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:35:09,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 4 letters. [2022-02-21 03:35:09,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 26 transitions. cyclomatic complexity: 4 Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:35:09,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 4 letters. Loop has 2 letters. [2022-02-21 03:35:09,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 2 letters. [2022-02-21 03:35:09,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 26 transitions. cyclomatic complexity: 4 Stem has 4 letters. Loop has 2 letters. [2022-02-21 03:35:09,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:35:09,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 2 letters. [2022-02-21 03:35:09,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 26 transitions. cyclomatic complexity: 4 Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:35:09,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:35:09,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 03:35:09,647 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 26 transitions. cyclomatic complexity: 4 Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:35:09,647 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:35:09,647 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 2 letters. [2022-02-21 03:35:09,648 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,648 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 26 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:35:09,648 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,648 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:35:09,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 03:35:09,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2022-02-21 03:35:09,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2022-02-21 03:35:09,652 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 6 letters. Loop has 2 letters. [2022-02-21 03:35:09,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:35:09,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:35:09,653 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 26 transitions. cyclomatic complexity: 4 [2022-02-21 03:35:09,655 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:35:09,656 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2022-02-21 03:35:09,657 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-02-21 03:35:09,657 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-02-21 03:35:09,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-02-21 03:35:09,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 03:35:09,658 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:35:09,658 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:35:09,658 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:35:09,658 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 03:35:09,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-02-21 03:35:09,659 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:35:09,659 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:35:09,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 03:35:09 BoogieIcfgContainer [2022-02-21 03:35:09,663 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 03:35:09,664 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 03:35:09,664 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 03:35:09,664 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 03:35:09,664 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:35:07" (3/4) ... [2022-02-21 03:35:09,666 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-21 03:35:09,666 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 03:35:09,667 INFO L158 Benchmark]: Toolchain (without parser) took 3068.18ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 48.8MB in the beginning and 50.7MB in the end (delta: -2.0MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2022-02-21 03:35:09,667 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 88.1MB. Free memory was 65.9MB in the beginning and 65.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:35:09,668 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.88ms. Allocated memory is still 88.1MB. Free memory was 67.1MB in the beginning and 55.4MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-21 03:35:09,668 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.91ms. Allocated memory is still 88.1MB. Free memory was 55.4MB in the beginning and 53.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:35:09,668 INFO L158 Benchmark]: Boogie Preprocessor took 34.11ms. Allocated memory is still 88.1MB. Free memory was 53.4MB in the beginning and 51.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:35:09,669 INFO L158 Benchmark]: RCFGBuilder took 333.23ms. Allocated memory is still 88.1MB. Free memory was 51.9MB in the beginning and 40.7MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-21 03:35:09,669 INFO L158 Benchmark]: BuchiAutomizer took 2315.86ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 40.7MB in the beginning and 51.5MB in the end (delta: -10.8MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2022-02-21 03:35:09,669 INFO L158 Benchmark]: Witness Printer took 2.59ms. Allocated memory is still 107.0MB. Free memory was 51.5MB in the beginning and 50.7MB in the end (delta: 804.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:35:09,671 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 0.50ms. Allocated memory is still 88.1MB. Free memory was 65.9MB in the beginning and 65.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.88ms. Allocated memory is still 88.1MB. Free memory was 67.1MB in the beginning and 55.4MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.91ms. Allocated memory is still 88.1MB. Free memory was 55.4MB in the beginning and 53.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.11ms. Allocated memory is still 88.1MB. Free memory was 53.4MB in the beginning and 51.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 333.23ms. Allocated memory is still 88.1MB. Free memory was 51.9MB in the beginning and 40.7MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2315.86ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 40.7MB in the beginning and 51.5MB in the end (delta: -10.8MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Witness Printer took 2.59ms. Allocated memory is still 107.0MB. Free memory was 51.5MB in the beginning and 50.7MB in the end (delta: 804.6kB). 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 + unknown-#length-unknown[nondetString1] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 8 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital111 mio100 ax100 hnf100 lsp94 ukn92 mio100 lsp45 div100 bol100 ite100 ukn100 eq186 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms 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 03:35:09,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-02-21 03:35:09,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE