./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/cstrlen-alloca-1.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-memory-alloca/cstrlen-alloca-1.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 55b7e97c43627abc3b3fb7d9c27999e540608fa7f6d0b7e81ad0fc505311daee --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 03:32:21,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 03:32:21,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 03:32:21,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 03:32:21,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 03:32:21,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 03:32:21,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 03:32:21,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 03:32:21,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 03:32:21,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 03:32:21,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 03:32:21,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 03:32:21,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 03:32:21,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 03:32:21,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 03:32:21,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 03:32:21,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 03:32:21,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 03:32:21,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 03:32:21,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 03:32:21,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 03:32:21,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 03:32:21,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 03:32:21,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 03:32:21,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 03:32:21,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 03:32:21,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 03:32:21,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 03:32:21,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 03:32:21,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 03:32:21,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 03:32:21,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 03:32:21,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 03:32:21,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 03:32:21,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 03:32:21,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 03:32:21,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 03:32:21,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 03:32:21,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 03:32:21,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 03:32:21,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 03:32:21,329 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-02-21 03:32:21,349 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 03:32:21,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 03:32:21,350 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 03:32:21,350 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 03:32:21,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 03:32:21,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 03:32:21,352 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 03:32:21,352 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 03:32:21,352 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 03:32:21,353 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 03:32:21,353 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 03:32:21,353 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 03:32:21,354 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 03:32:21,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 03:32:21,354 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 03:32:21,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 03:32:21,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 03:32:21,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 03:32:21,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 03:32:21,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 03:32:21,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 03:32:21,355 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 03:32:21,355 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 03:32:21,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 03:32:21,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 03:32:21,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 03:32:21,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 03:32:21,356 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 03:32:21,357 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 03:32:21,357 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55b7e97c43627abc3b3fb7d9c27999e540608fa7f6d0b7e81ad0fc505311daee [2022-02-21 03:32:21,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 03:32:21,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 03:32:21,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 03:32:21,568 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 03:32:21,569 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 03:32:21,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/cstrlen-alloca-1.i [2022-02-21 03:32:21,636 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcbf6d11b/191b08c9408a4ca48e2dfc7fe1eb45d2/FLAGb0ddd33bc [2022-02-21 03:32:22,008 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 03:32:22,008 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/cstrlen-alloca-1.i [2022-02-21 03:32:22,016 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcbf6d11b/191b08c9408a4ca48e2dfc7fe1eb45d2/FLAGb0ddd33bc [2022-02-21 03:32:22,399 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcbf6d11b/191b08c9408a4ca48e2dfc7fe1eb45d2 [2022-02-21 03:32:22,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 03:32:22,402 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 03:32:22,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 03:32:22,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 03:32:22,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 03:32:22,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:32:22" (1/1) ... [2022-02-21 03:32:22,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2df4f09b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:32:22, skipping insertion in model container [2022-02-21 03:32:22,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:32:22" (1/1) ... [2022-02-21 03:32:22,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 03:32:22,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 03:32:22,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:32:22,672 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 03:32:22,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:32:22,722 INFO L208 MainTranslator]: Completed translation [2022-02-21 03:32:22,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:32:22 WrapperNode [2022-02-21 03:32:22,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 03:32:22,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 03:32:22,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 03:32:22,724 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 03:32:22,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:32:22" (1/1) ... [2022-02-21 03:32:22,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:32:22" (1/1) ... [2022-02-21 03:32:22,764 INFO L137 Inliner]: procedures = 111, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2022-02-21 03:32:22,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 03:32:22,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 03:32:22,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 03:32:22,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 03:32:22,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:32:22" (1/1) ... [2022-02-21 03:32:22,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:32:22" (1/1) ... [2022-02-21 03:32:22,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:32:22" (1/1) ... [2022-02-21 03:32:22,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:32:22" (1/1) ... [2022-02-21 03:32:22,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:32:22" (1/1) ... [2022-02-21 03:32:22,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:32:22" (1/1) ... [2022-02-21 03:32:22,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:32:22" (1/1) ... [2022-02-21 03:32:22,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 03:32:22,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 03:32:22,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 03:32:22,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 03:32:22,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:32:22" (1/1) ... [2022-02-21 03:32:22,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:22,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:22,828 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 03:32:22,836 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 03:32:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-21 03:32:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-21 03:32:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-21 03:32:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-21 03:32:22,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 03:32:22,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 03:32:22,914 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 03:32:22,915 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 03:32:23,059 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 03:32:23,063 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 03:32:23,064 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-21 03:32:23,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:32:23 BoogieIcfgContainer [2022-02-21 03:32:23,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 03:32:23,066 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 03:32:23,066 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 03:32:23,068 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 03:32:23,069 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:32:23,069 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 03:32:22" (1/3) ... [2022-02-21 03:32:23,070 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1aa290c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:32:23, skipping insertion in model container [2022-02-21 03:32:23,070 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:32:23,070 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:32:22" (2/3) ... [2022-02-21 03:32:23,070 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1aa290c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:32:23, skipping insertion in model container [2022-02-21 03:32:23,071 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:32:23,071 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:32:23" (3/3) ... [2022-02-21 03:32:23,072 INFO L388 chiAutomizerObserver]: Analyzing ICFG cstrlen-alloca-1.i [2022-02-21 03:32:23,099 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 03:32:23,100 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 03:32:23,100 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 03:32:23,100 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 03:32:23,100 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 03:32:23,100 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 03:32:23,100 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 03:32:23,100 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 03:32:23,111 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 03:32:23,135 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:32:23,136 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:32:23,136 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:32:23,139 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-02-21 03:32:23,139 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2022-02-21 03:32:23,140 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 03:32:23,140 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 03:32:23,142 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:32:23,142 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:32:23,142 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:32:23,142 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-02-21 03:32:23,143 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2022-02-21 03:32:23,147 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~ret6#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;main_~length1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 6#L556true assume !(main_~length1~0#1 < 1); 7#L556-2true call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#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~post3#1.base, cstrlen_#t~post3#1.offset, cstrlen_#t~mem2#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; 9#L550-3true [2022-02-21 03:32:23,148 INFO L793 eck$LassoCheckResult]: Loop: 9#L550-3true call cstrlen_#t~mem2#1 := read~int(cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset, 1); 11#L550-1true assume !!(0 != cstrlen_#t~mem2#1);havoc cstrlen_#t~mem2#1;cstrlen_#t~post3#1.base, cstrlen_#t~post3#1.offset := cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset;cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset := cstrlen_#t~post3#1.base, 1 + cstrlen_#t~post3#1.offset;havoc cstrlen_#t~post3#1.base, cstrlen_#t~post3#1.offset; 9#L550-3true [2022-02-21 03:32:23,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:32:23,152 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2022-02-21 03:32:23,160 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:32:23,161 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031896167] [2022-02-21 03:32:23,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:32:23,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:32:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:32:23,272 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:32:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:32:23,316 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:32:23,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:32:23,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1414, now seen corresponding path program 1 times [2022-02-21 03:32:23,320 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:32:23,320 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940892334] [2022-02-21 03:32:23,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:32:23,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:32:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:32:23,339 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:32:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:32:23,355 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:32:23,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:32:23,358 INFO L85 PathProgramCache]: Analyzing trace with hash 889568362, now seen corresponding path program 1 times [2022-02-21 03:32:23,358 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:32:23,358 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164331369] [2022-02-21 03:32:23,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:32:23,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:32:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:32:23,394 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:32:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:32:23,422 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:32:23,733 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:32:23,734 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:32:23,734 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:32:23,734 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:32:23,734 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:32:23,734 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:23,734 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:32:23,735 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:32:23,735 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrlen-alloca-1.i_Iteration1_Lasso [2022-02-21 03:32:23,735 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:32:23,735 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:32:23,748 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 03:32:23,752 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 03:32:23,755 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 03:32:23,758 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 03:32:23,761 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 03:32:23,763 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 03:32:23,767 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 03:32:23,770 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 03:32:23,772 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 03:32:23,775 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 03:32:23,997 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 03:32:24,001 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 03:32:24,003 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 03:32:24,352 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:32:24,355 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:32:24,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:24,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:24,358 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 03:32:24,359 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 03:32:24,360 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 03:32:24,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:24,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:32:24,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:24,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:24,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:24,369 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:32:24,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:32:24,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:32:24,395 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-02-21 03:32:24,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:24,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:24,397 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 03:32:24,398 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 03:32:24,399 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 03:32:24,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:24,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:32:24,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:24,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:24,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:24,406 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:32:24,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:32:24,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:32:24,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-02-21 03:32:24,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:24,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:24,424 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 03:32:24,425 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 03:32:24,427 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 03:32:24,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:24,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:24,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:24,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:24,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:32:24,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:32:24,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:32:24,466 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 03:32:24,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:24,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:24,468 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 03:32:24,469 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 03:32:24,470 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 03:32:24,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:24,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:32:24,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:24,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:24,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:24,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:32:24,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:32:24,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:32:24,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-02-21 03:32:24,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:24,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:24,510 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 03:32:24,510 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 03:32:24,513 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 03:32:24,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:24,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:24,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:24,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:24,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:32:24,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:32:24,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:32:24,549 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 03:32:24,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:24,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:24,559 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 03:32:24,560 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 03:32:24,561 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 03:32:24,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:24,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:32:24,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:24,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:24,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:24,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:32:24,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:32:24,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:32:24,598 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 03:32:24,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:24,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:24,600 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 03:32:24,600 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 03:32:24,602 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 03:32:24,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:24,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:24,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:24,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:24,610 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:32:24,610 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:32:24,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:32:24,633 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 03:32:24,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:24,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:24,635 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 03:32:24,635 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 03:32:24,637 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 03:32:24,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:24,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:32:24,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:24,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:24,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:24,643 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:32:24,643 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:32:24,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:32:24,678 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 03:32:24,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:24,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:24,680 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 03:32:24,681 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 03:32:24,683 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 03:32:24,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:24,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:32:24,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:24,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:24,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:24,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:32:24,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:32:24,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:32:24,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-02-21 03:32:24,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:24,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:24,723 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 03:32:24,726 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 03:32:24,727 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 03:32:24,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:24,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:24,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:24,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:24,734 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:32:24,734 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:32:24,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:32:24,758 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-02-21 03:32:24,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:24,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:24,759 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 03:32:24,760 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 03:32:24,761 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 03:32:24,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:32:24,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:32:24,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:32:24,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:32:24,774 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:32:24,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:32:24,803 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-02-21 03:32:24,841 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-02-21 03:32:24,841 INFO L444 ModelExtractionUtils]: 17 out of 28 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-02-21 03:32:24,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:32:24,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:32:24,852 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 03:32:24,853 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 03:32:24,855 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-02-21 03:32:24,866 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-02-21 03:32:24,866 INFO L513 LassoAnalysis]: Proved termination. [2022-02-21 03:32:24,866 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrlen_~p~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc5#1.base)_1) = -1*ULTIMATE.start_cstrlen_~p~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc5#1.base)_1 Supporting invariants [] [2022-02-21 03:32:24,893 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 03:32:24,932 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2022-02-21 03:32:24,950 INFO L390 LassoCheck]: Loop: "call cstrlen_#t~mem2#1 := read~int(cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset, 1);" "assume !!(0 != cstrlen_#t~mem2#1);havoc cstrlen_#t~mem2#1;cstrlen_#t~post3#1.base, cstrlen_#t~post3#1.offset := cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset;cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset := cstrlen_#t~post3#1.base, 1 + cstrlen_#t~post3#1.offset;havoc cstrlen_#t~post3#1.base, cstrlen_#t~post3#1.offset;" [2022-02-21 03:32:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:32:24,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:32:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:32:24,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-21 03:32:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:32:25,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:32:25,015 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 03:32:25,015 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~nondet4#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~ret6#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;main_~length1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; {21#unseeded} is VALID [2022-02-21 03:32:25,016 INFO L290 TraceCheckUtils]: 2: Hoare triple {21#unseeded} assume !(main_~length1~0#1 < 1); {21#unseeded} is VALID [2022-02-21 03:32:25,016 INFO L290 TraceCheckUtils]: 3: Hoare triple {21#unseeded} call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#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~post3#1.base, cstrlen_#t~post3#1.offset, cstrlen_#t~mem2#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; {55#(and (= |ULTIMATE.start_main_#t~malloc5#1.base| |ULTIMATE.start_cstrlen_~p~0#1.base|) unseeded)} is VALID [2022-02-21 03:32:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:32:25,023 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-21 03:32:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:32:25,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:32:25,066 INFO L290 TraceCheckUtils]: 0: Hoare triple {56#(and (>= oldRank0 (+ (select |#length| |ULTIMATE.start_main_#t~malloc5#1.base|) (* (- 1) |ULTIMATE.start_cstrlen_~p~0#1.offset|))) (= |ULTIMATE.start_main_#t~malloc5#1.base| |ULTIMATE.start_cstrlen_~p~0#1.base|))} call cstrlen_#t~mem2#1 := read~int(cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset, 1); {73#(and (>= oldRank0 (+ (select |#length| |ULTIMATE.start_main_#t~malloc5#1.base|) (* (- 1) |ULTIMATE.start_cstrlen_~p~0#1.offset|))) (<= (+ |ULTIMATE.start_cstrlen_~p~0#1.offset| 1) (select |#length| |ULTIMATE.start_cstrlen_~p~0#1.base|)) (= |ULTIMATE.start_main_#t~malloc5#1.base| |ULTIMATE.start_cstrlen_~p~0#1.base|))} is VALID [2022-02-21 03:32:25,067 INFO L290 TraceCheckUtils]: 1: Hoare triple {73#(and (>= oldRank0 (+ (select |#length| |ULTIMATE.start_main_#t~malloc5#1.base|) (* (- 1) |ULTIMATE.start_cstrlen_~p~0#1.offset|))) (<= (+ |ULTIMATE.start_cstrlen_~p~0#1.offset| 1) (select |#length| |ULTIMATE.start_cstrlen_~p~0#1.base|)) (= |ULTIMATE.start_main_#t~malloc5#1.base| |ULTIMATE.start_cstrlen_~p~0#1.base|))} assume !!(0 != cstrlen_#t~mem2#1);havoc cstrlen_#t~mem2#1;cstrlen_#t~post3#1.base, cstrlen_#t~post3#1.offset := cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset;cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset := cstrlen_#t~post3#1.base, 1 + cstrlen_#t~post3#1.offset;havoc cstrlen_#t~post3#1.base, cstrlen_#t~post3#1.offset; {58#(and (or unseeded (and (>= oldRank0 0) (> oldRank0 (+ (select |#length| |ULTIMATE.start_main_#t~malloc5#1.base|) (* (- 1) |ULTIMATE.start_cstrlen_~p~0#1.offset|))))) (= |ULTIMATE.start_main_#t~malloc5#1.base| |ULTIMATE.start_cstrlen_~p~0#1.base|))} is VALID [2022-02-21 03:32:25,067 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 03:32:25,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-02-21 03:32:25,092 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 03:32:25,099 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 03:32:25,101 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 03:32:25,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,105 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 03:32:25,107 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 03:32:25,168 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 20 states and 23 transitions. Complement of second has 6 states. [2022-02-21 03:32:25,168 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 03:32:25,168 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:32:25,168 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 03:32:25,169 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:32:25,170 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:32:25,170 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:32:25,170 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 03:32:25,179 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:32:25,179 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:32:25,179 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:32:25,179 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2022-02-21 03:32:25,181 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:32:25,181 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:32:25,182 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 03:32:25,186 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-02-21 03:32:25,186 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:32:25,187 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 03:32:25,191 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:32:25,191 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:32:25,191 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 20 states and 23 transitions. cyclomatic complexity: 4 [2022-02-21 03:32:25,191 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. cyclomatic complexity: 4 [2022-02-21 03:32:25,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:32:25,191 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2022-02-21 03:32:25,192 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 03:32:25,192 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,192 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 03:32:25,192 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,192 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 4 Stem has 4 letters. Loop has 2 letters. [2022-02-21 03:32:25,193 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,193 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 03:32:25,193 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,193 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 03:32:25,193 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,193 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:32:25,193 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,194 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 20 letters. Loop has 20 letters. [2022-02-21 03:32:25,194 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,194 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 20 letters. Loop has 20 letters. [2022-02-21 03:32:25,194 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,194 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 4 Stem has 20 letters. Loop has 20 letters. [2022-02-21 03:32:25,195 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,195 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 03:32:25,195 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,195 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 03:32:25,195 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,195 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 4 Stem has 11 letters. Loop has 11 letters. [2022-02-21 03:32:25,196 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,196 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 03:32:25,197 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,197 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 03:32:25,198 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,198 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 4 Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:32:25,198 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,198 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 03:32:25,198 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,198 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 03:32:25,198 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,199 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 4 Stem has 4 letters. Loop has 2 letters. [2022-02-21 03:32:25,199 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,199 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 03:32:25,199 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,199 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 03:32:25,199 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,200 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 4 Stem has 5 letters. Loop has 2 letters. [2022-02-21 03:32:25,200 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,201 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 03:32:25,201 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,202 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 03:32:25,202 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,202 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 4 Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:32:25,202 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,202 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 03:32:25,202 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,202 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 03:32:25,203 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,203 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 2 letters. [2022-02-21 03:32:25,203 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,203 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:32:25,208 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 03:32:25,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2022-02-21 03:32:25,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 2 letters. [2022-02-21 03:32:25,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 6 letters. Loop has 2 letters. [2022-02-21 03:32:25,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:32:25,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:32:25,211 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. cyclomatic complexity: 4 [2022-02-21 03:32:25,218 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:32:25,220 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2022-02-21 03:32:25,223 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-02-21 03:32:25,223 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-02-21 03:32:25,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-02-21 03:32:25,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 03:32:25,224 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:32:25,224 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:32:25,224 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:32:25,225 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 03:32:25,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-02-21 03:32:25,229 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:32:25,230 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:32:25,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 03:32:25 BoogieIcfgContainer [2022-02-21 03:32:25,235 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 03:32:25,236 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 03:32:25,236 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 03:32:25,236 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 03:32:25,237 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:32:23" (3/4) ... [2022-02-21 03:32:25,238 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-21 03:32:25,239 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 03:32:25,240 INFO L158 Benchmark]: Toolchain (without parser) took 2837.72ms. Allocated memory was 107.0MB in the beginning and 132.1MB in the end (delta: 25.2MB). Free memory was 75.2MB in the beginning and 92.1MB in the end (delta: -16.9MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2022-02-21 03:32:25,243 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory was 39.2MB in the beginning and 39.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:32:25,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.37ms. Allocated memory is still 107.0MB. Free memory was 75.2MB in the beginning and 75.3MB in the end (delta: -144.1kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-02-21 03:32:25,246 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.64ms. Allocated memory is still 107.0MB. Free memory was 75.3MB in the beginning and 73.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:32:25,246 INFO L158 Benchmark]: Boogie Preprocessor took 37.14ms. Allocated memory is still 107.0MB. Free memory was 73.4MB in the beginning and 71.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:32:25,246 INFO L158 Benchmark]: RCFGBuilder took 261.38ms. Allocated memory is still 107.0MB. Free memory was 71.8MB in the beginning and 61.6MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-21 03:32:25,248 INFO L158 Benchmark]: BuchiAutomizer took 2169.89ms. Allocated memory was 107.0MB in the beginning and 132.1MB in the end (delta: 25.2MB). Free memory was 61.2MB in the beginning and 93.0MB in the end (delta: -31.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:32:25,248 INFO L158 Benchmark]: Witness Printer took 2.73ms. Allocated memory is still 132.1MB. Free memory was 93.0MB in the beginning and 92.1MB in the end (delta: 878.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:32:25,254 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 0.16ms. Allocated memory is still 83.9MB. Free memory was 39.2MB in the beginning and 39.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.37ms. Allocated memory is still 107.0MB. Free memory was 75.2MB in the beginning and 75.3MB in the end (delta: -144.1kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.64ms. Allocated memory is still 107.0MB. Free memory was 75.3MB in the beginning and 73.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.14ms. Allocated memory is still 107.0MB. Free memory was 73.4MB in the beginning and 71.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 261.38ms. Allocated memory is still 107.0MB. Free memory was 71.8MB in the beginning and 61.6MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2169.89ms. Allocated memory was 107.0MB in the beginning and 132.1MB in the end (delta: 25.2MB). Free memory was 61.2MB in the beginning and 93.0MB in the end (delta: -31.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.73ms. Allocated memory is still 132.1MB. Free memory was 93.0MB in the beginning and 92.1MB in the end (delta: 878.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * p and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. 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, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 6 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital113 mio100 ax115 hnf100 lsp81 ukn95 mio100 lsp46 div100 bol100 ite100 ukn100 eq189 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms 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 03:32:25,279 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