./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-dietlibc/strcasecmp.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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-dietlibc/strcasecmp.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 1c2f9d054b4fbf31aaebd626db3028f09e8a957b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:43:49,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:43:49,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:43:49,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:43:49,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:43:49,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:43:49,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:43:49,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:43:49,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:43:49,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:43:49,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:43:49,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:43:49,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:43:49,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:43:49,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:43:49,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:43:49,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:43:49,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:43:49,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:43:49,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:43:49,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:43:49,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:43:49,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:43:49,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:43:49,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:43:49,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:43:49,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:43:49,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:43:49,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:43:49,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:43:49,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:43:49,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:43:49,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:43:49,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:43:49,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:43:49,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:43:49,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:43:49,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:43:49,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:43:49,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:43:49,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:43:49,484 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-19 18:43:49,531 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:43:49,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:43:49,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:43:49,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:43:49,533 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:43:49,533 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 18:43:49,533 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 18:43:49,534 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 18:43:49,534 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 18:43:49,534 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 18:43:49,535 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 18:43:49,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:43:49,535 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:43:49,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:43:49,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:43:49,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 18:43:49,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 18:43:49,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 18:43:49,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 18:43:49,538 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 18:43:49,538 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:43:49,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 18:43:49,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:43:49,539 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:43:49,539 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 18:43:49,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:43:49,539 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:43:49,539 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:43:49,540 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 18:43:49,541 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 18:43:49,542 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> 1c2f9d054b4fbf31aaebd626db3028f09e8a957b [2020-10-19 18:43:49,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:43:49,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:43:49,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:43:49,857 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:43:49,858 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:43:49,858 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-dietlibc/strcasecmp.i [2020-10-19 18:43:49,921 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5e899f82/756ec04ca71c4f61a13795ec3a3d249f/FLAGdf95d731e [2020-10-19 18:43:50,438 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:43:50,439 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/strcasecmp.i [2020-10-19 18:43:50,453 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5e899f82/756ec04ca71c4f61a13795ec3a3d249f/FLAGdf95d731e [2020-10-19 18:43:50,745 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5e899f82/756ec04ca71c4f61a13795ec3a3d249f [2020-10-19 18:43:50,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:43:50,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 18:43:50,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:43:50,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:43:50,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:43:50,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:43:50" (1/1) ... [2020-10-19 18:43:50,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b9fdf61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:43:50, skipping insertion in model container [2020-10-19 18:43:50,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:43:50" (1/1) ... [2020-10-19 18:43:50,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:43:50,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:43:51,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:43:51,250 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:43:51,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:43:51,379 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:43:51,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:43:51 WrapperNode [2020-10-19 18:43:51,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:43:51,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 18:43:51,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 18:43:51,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 18:43:51,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:43:51" (1/1) ... [2020-10-19 18:43:51,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:43:51" (1/1) ... [2020-10-19 18:43:51,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 18:43:51,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:43:51,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:43:51,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:43:51,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:43:51" (1/1) ... [2020-10-19 18:43:51,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:43:51" (1/1) ... [2020-10-19 18:43:51,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:43:51" (1/1) ... [2020-10-19 18:43:51,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:43:51" (1/1) ... [2020-10-19 18:43:51,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:43:51" (1/1) ... [2020-10-19 18:43:51,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:43:51" (1/1) ... [2020-10-19 18:43:51,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:43:51" (1/1) ... [2020-10-19 18:43:51,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:43:51,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:43:51,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:43:51,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:43:51,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:43:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:43:51,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-19 18:43:51,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-19 18:43:51,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:43:51,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:43:51,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:43:51,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:43:51,848 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:43:51,848 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-19 18:43:51,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:43:51 BoogieIcfgContainer [2020-10-19 18:43:51,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:43:51,851 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 18:43:51,851 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 18:43:51,855 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 18:43:51,856 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:43:51,857 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 06:43:50" (1/3) ... [2020-10-19 18:43:51,858 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@709580c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:43:51, skipping insertion in model container [2020-10-19 18:43:51,859 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:43:51,859 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:43:51" (2/3) ... [2020-10-19 18:43:51,860 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@709580c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:43:51, skipping insertion in model container [2020-10-19 18:43:51,860 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:43:51,860 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:43:51" (3/3) ... [2020-10-19 18:43:51,862 INFO L373 chiAutomizerObserver]: Analyzing ICFG strcasecmp.i [2020-10-19 18:43:51,917 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 18:43:51,917 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 18:43:51,920 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 18:43:51,920 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:43:51,921 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:43:51,921 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 18:43:51,921 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:43:51,922 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 18:43:51,948 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-10-19 18:43:51,971 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-10-19 18:43:51,972 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:43:51,972 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:43:51,978 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-19 18:43:51,978 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:43:51,978 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 18:43:51,978 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-10-19 18:43:51,980 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-10-19 18:43:51,980 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:43:51,980 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:43:51,981 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-19 18:43:51,981 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:43:51,987 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~ret10, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet6;havoc main_#t~nondet6; 5#L523true assume !(main_~in_len~0 < 1);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet8;havoc main_#t~nondet8; 18#L527true assume !(main_~out_len~0 < 1);call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + (main_~out_len~0 - 1), 1);strcasecmp_#in~s1.base, strcasecmp_#in~s1.offset, strcasecmp_#in~s2.base, strcasecmp_#in~s2.offset := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset;havoc strcasecmp_#res;havoc strcasecmp_#t~mem2, strcasecmp_#t~mem3, strcasecmp_#t~post4.base, strcasecmp_#t~post4.offset, strcasecmp_#t~post5.base, strcasecmp_#t~post5.offset, strcasecmp_~s1.base, strcasecmp_~s1.offset, strcasecmp_~s2.base, strcasecmp_~s2.offset, strcasecmp_~x2~0, strcasecmp_~x1~0;strcasecmp_~s1.base, strcasecmp_~s1.offset := strcasecmp_#in~s1.base, strcasecmp_#in~s1.offset;strcasecmp_~s2.base, strcasecmp_~s2.offset := strcasecmp_#in~s2.base, strcasecmp_#in~s2.offset;havoc strcasecmp_~x2~0;havoc strcasecmp_~x1~0; 14#L510-2true [2020-10-19 18:43:51,988 INFO L796 eck$LassoCheckResult]: Loop: 14#L510-2true assume !false;call strcasecmp_#t~mem2 := read~int(strcasecmp_~s2.base, strcasecmp_~s2.offset, 1);strcasecmp_~x2~0 := strcasecmp_#t~mem2 - 65;havoc strcasecmp_#t~mem2; 7#L511true assume strcasecmp_~x2~0 % 4294967296 < 26;strcasecmp_~x2~0 := 32 + strcasecmp_~x2~0; 11#L511-2true call strcasecmp_#t~mem3 := read~int(strcasecmp_~s1.base, strcasecmp_~s1.offset, 1);strcasecmp_~x1~0 := strcasecmp_#t~mem3 - 65;havoc strcasecmp_#t~mem3; 6#L512true assume !(strcasecmp_~x1~0 % 4294967296 < 26); 9#L512-2true strcasecmp_#t~post4.base, strcasecmp_#t~post4.offset := strcasecmp_~s1.base, strcasecmp_~s1.offset;strcasecmp_~s1.base, strcasecmp_~s1.offset := strcasecmp_#t~post4.base, 1 + strcasecmp_#t~post4.offset;havoc strcasecmp_#t~post4.base, strcasecmp_#t~post4.offset;strcasecmp_#t~post5.base, strcasecmp_#t~post5.offset := strcasecmp_~s2.base, strcasecmp_~s2.offset;strcasecmp_~s2.base, strcasecmp_~s2.offset := strcasecmp_#t~post5.base, 1 + strcasecmp_#t~post5.offset;havoc strcasecmp_#t~post5.base, strcasecmp_#t~post5.offset; 4#L514true assume !(strcasecmp_~x2~0 % 4294967296 != strcasecmp_~x1~0 % 4294967296); 3#L516true assume !(4294967231 == strcasecmp_~x1~0 % 4294967296); 14#L510-2true [2020-10-19 18:43:51,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:43:51,994 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2020-10-19 18:43:52,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:43:52,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457417676] [2020-10-19 18:43:52,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:43:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:43:52,145 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:43:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:43:52,170 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:43:52,194 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:43:52,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:43:52,196 INFO L82 PathProgramCache]: Analyzing trace with hash -380472609, now seen corresponding path program 1 times [2020-10-19 18:43:52,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:43:52,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219010934] [2020-10-19 18:43:52,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:43:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:43:52,231 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:43:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:43:52,249 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:43:52,253 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:43:52,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:43:52,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1579348248, now seen corresponding path program 1 times [2020-10-19 18:43:52,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:43:52,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563122583] [2020-10-19 18:43:52,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:43:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:43:52,326 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:43:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:43:52,370 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:43:52,380 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:43:52,610 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2020-10-19 18:43:53,078 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 87 [2020-10-19 18:43:53,192 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-10-19 18:43:53,205 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 18:43:53,206 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 18:43:53,206 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 18:43:53,206 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 18:43:53,207 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 18:43:53,207 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:43:53,207 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 18:43:53,208 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 18:43:53,208 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcasecmp.i_Iteration1_Lasso [2020-10-19 18:43:53,208 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 18:43:53,209 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 18:43:53,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:43:53,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:43:53,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:43:53,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:43:53,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:43:53,618 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2020-10-19 18:43:53,887 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2020-10-19 18:43:53,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:43:53,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:43:53,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:43:53,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:43:53,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:43:53,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:43:53,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:43:53,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:43:53,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 18:43:54,120 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-19 18:43:54,683 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 18:43:54,688 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:43:54,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:43:54,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:43:54,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:43:54,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:43:54,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:43:54,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:43:54,715 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:43:54,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:43:54,722 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:43:54,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:43:54,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:43:54,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:43:54,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:43:54,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:43:54,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:43:54,759 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:43:54,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:43:54,761 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:43:54,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:43:54,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:43:54,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:43:54,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:43:54,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:43:54,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:43:54,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:43:54,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:43:54,792 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:43:54,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:43:54,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:43:54,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:43:54,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:43:54,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:43:54,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:43:54,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:43:54,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:43:54,821 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:43:54,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:43:54,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:43:54,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:43:54,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:43:54,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:43:54,861 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:43:54,861 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:43:54,873 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:43:54,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:43:54,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:43:54,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 18:43:54,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:43:54,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:43:54,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:43:54,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 18:43:54,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 18:43:54,914 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:43:54,944 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:43:54,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:43:54,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:43:54,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:43:54,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:43:54,949 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:43:54,949 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:43:54,953 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:43:54,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:43:54,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:43:54,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:43:54,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:43:54,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:43:55,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:43:55,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:43:55,006 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:43:55,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:43:55,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:43:55,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:43:55,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:43:55,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:43:55,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:43:55,038 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:43:55,042 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:43:55,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:43:55,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:43:55,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:43:55,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:43:55,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 18:43:55,094 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:43:55,094 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:43:55,101 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:43:55,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:43:55,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:43:55,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:43:55,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:43:55,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:43:55,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:43:55,141 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:43:55,145 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:43:55,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 18:43:55,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 18:43:55,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 18:43:55,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 18:43:55,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:43:55,208 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 18:43:55,208 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 18:43:55,232 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 18:43:55,436 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2020-10-19 18:43:55,437 INFO L444 ModelExtractionUtils]: 26 out of 49 variables were initially zero. Simplification set additionally 20 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 18:43:55,445 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 18:43:55,450 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-19 18:43:55,450 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 18:43:55,451 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcasecmp_~s1.offset, v_rep(select #length ULTIMATE.start_main_~out~0.base)_1) = -1*ULTIMATE.start_strcasecmp_~s1.offset + 1*v_rep(select #length ULTIMATE.start_main_~out~0.base)_1 Supporting invariants [] [2020-10-19 18:43:55,571 INFO L297 tatePredicateManager]: 15 out of 18 supporting invariants were superfluous and have been removed [2020-10-19 18:43:55,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-19 18:43:55,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:43:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:43:55,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 24 conjunts are in the unsatisfiable core [2020-10-19 18:43:55,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:43:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:43:55,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 15 conjunts are in the unsatisfiable core [2020-10-19 18:43:55,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:43:55,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:43:55,761 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-10-19 18:43:55,763 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 5 states. [2020-10-19 18:43:55,860 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 5 states. Result 38 states and 49 transitions. Complement of second has 9 states. [2020-10-19 18:43:55,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-19 18:43:55,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-19 18:43:55,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 31 transitions. [2020-10-19 18:43:55,866 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 4 letters. Loop has 7 letters. [2020-10-19 18:43:55,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:43:55,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 11 letters. Loop has 7 letters. [2020-10-19 18:43:55,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:43:55,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 4 letters. Loop has 14 letters. [2020-10-19 18:43:55,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 18:43:55,871 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 49 transitions. [2020-10-19 18:43:55,875 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 18:43:55,879 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 0 states and 0 transitions. [2020-10-19 18:43:55,881 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 18:43:55,881 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 18:43:55,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 18:43:55,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 18:43:55,882 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:43:55,883 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:43:55,883 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:43:55,883 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 18:43:55,883 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 18:43:55,883 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 18:43:55,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 18:43:55,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 06:43:55 BoogieIcfgContainer [2020-10-19 18:43:55,892 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 18:43:55,893 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:43:55,893 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:43:55,893 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:43:55,894 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:43:51" (3/4) ... [2020-10-19 18:43:55,899 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 18:43:55,899 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:43:55,901 INFO L168 Benchmark]: Toolchain (without parser) took 5150.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 215.5 MB). Free memory was 960.0 MB in the beginning and 1.0 GB in the end (delta: -55.4 MB). Peak memory consumption was 160.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:43:55,902 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:43:55,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -175.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:43:55,904 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:43:55,905 INFO L168 Benchmark]: Boogie Preprocessor took 42.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:43:55,906 INFO L168 Benchmark]: RCFGBuilder took 376.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2020-10-19 18:43:55,907 INFO L168 Benchmark]: BuchiAutomizer took 4041.59 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.1 MB). Peak memory consumption was 156.3 MB. Max. memory is 11.5 GB. [2020-10-19 18:43:55,908 INFO L168 Benchmark]: Witness Printer took 6.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:43:55,912 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 622.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -175.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 376.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4041.59 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.1 MB). Peak memory consumption was 156.3 MB. Max. memory is 11.5 GB. * Witness Printer took 6.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s1 + unknown-#length-unknown[out] and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.6s. 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: 18 SDtfs, 24 SDslu, 18 SDs, 0 SdLazy, 10 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital228 mio100 ax100 hnf99 lsp97 ukn89 mio100 lsp45 div154 bol100 ite100 ukn100 eq148 hnf75 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms VariablesStem: 9 VariablesLoop: 8 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! Received shutdown request...