./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-libowfat/strcat_short.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c 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-libowfat/strcat_short.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 2cfe214f4978682dac68f5565e20ebc7c152d196 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:32:03,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:32:03,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:32:03,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:32:03,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:32:03,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:32:03,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:32:03,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:32:03,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:32:03,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:32:03,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:32:03,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:32:03,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:32:03,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:32:03,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:32:03,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:32:03,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:32:03,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:32:03,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:32:03,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:32:03,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:32:03,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:32:03,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:32:03,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:32:03,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:32:03,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:32:03,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:32:03,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:32:03,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:32:03,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:32:03,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:32:03,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:32:03,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:32:03,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:32:03,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:32:03,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:32:03,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:32:03,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:32:03,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:32:03,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:32:03,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:32:03,912 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 20:32:03,944 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:32:03,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:32:03,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:32:03,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:32:03,947 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:32:03,947 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:32:03,948 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:32:03,948 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:32:03,948 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:32:03,948 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:32:03,950 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:32:03,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:32:03,950 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:32:03,951 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:32:03,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:32:03,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:32:03,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:32:03,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:32:03,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:32:03,953 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:32:03,953 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:32:03,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:32:03,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:32:03,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:32:03,954 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:32:03,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:32:03,955 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:32:03,955 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:32:03,955 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:32:03,957 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:32:03,958 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 -> 2cfe214f4978682dac68f5565e20ebc7c152d196 [2019-11-28 20:32:04,290 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:32:04,308 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:32:04,312 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:32:04,314 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:32:04,315 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:32:04,316 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-libowfat/strcat_short.i [2019-11-28 20:32:04,392 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/980bf9f10/1b44d7592475478b8bf6b9f32f815dab/FLAG3a7d6bba3 [2019-11-28 20:32:04,883 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:32:04,884 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-libowfat/strcat_short.i [2019-11-28 20:32:04,899 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/980bf9f10/1b44d7592475478b8bf6b9f32f815dab/FLAG3a7d6bba3 [2019-11-28 20:32:05,199 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/980bf9f10/1b44d7592475478b8bf6b9f32f815dab [2019-11-28 20:32:05,203 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:32:05,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:32:05,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:32:05,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:32:05,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:32:05,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:32:05" (1/1) ... [2019-11-28 20:32:05,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ea3f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:32:05, skipping insertion in model container [2019-11-28 20:32:05,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:32:05" (1/1) ... [2019-11-28 20:32:05,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:32:05,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:32:05,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:32:05,767 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:32:05,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:32:05,873 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:32:05,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:32:05 WrapperNode [2019-11-28 20:32:05,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:32:05,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:32:05,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:32:05,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:32:05,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:32:05" (1/1) ... [2019-11-28 20:32:05,915 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:32:05" (1/1) ... [2019-11-28 20:32:05,946 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:32:05,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:32:05,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:32:05,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:32:05,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:32:05" (1/1) ... [2019-11-28 20:32:05,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:32:05" (1/1) ... [2019-11-28 20:32:05,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:32:05" (1/1) ... [2019-11-28 20:32:05,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:32:05" (1/1) ... [2019-11-28 20:32:05,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:32:05" (1/1) ... [2019-11-28 20:32:05,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:32:05" (1/1) ... [2019-11-28 20:32:05,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:32:05" (1/1) ... [2019-11-28 20:32:05,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:32:05,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:32:05,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:32:05,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:32:05,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:32:05" (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 [2019-11-28 20:32:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 20:32:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 20:32:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:32:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 20:32:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:32:06,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:32:06,413 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:32:06,414 INFO L287 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-28 20:32:06,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:32:06 BoogieIcfgContainer [2019-11-28 20:32:06,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:32:06,416 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:32:06,416 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:32:06,419 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:32:06,420 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:32:06,420 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:32:05" (1/3) ... [2019-11-28 20:32:06,421 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@383dc7ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:32:06, skipping insertion in model container [2019-11-28 20:32:06,421 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:32:06,421 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:32:05" (2/3) ... [2019-11-28 20:32:06,422 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@383dc7ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:32:06, skipping insertion in model container [2019-11-28 20:32:06,422 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:32:06,422 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:32:06" (3/3) ... [2019-11-28 20:32:06,423 INFO L371 chiAutomizerObserver]: Analyzing ICFG strcat_short.i [2019-11-28 20:32:06,472 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:32:06,472 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:32:06,472 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:32:06,472 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:32:06,472 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:32:06,473 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:32:06,473 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:32:06,473 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:32:06,485 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-28 20:32:06,508 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-28 20:32:06,509 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:32:06,509 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:32:06,517 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:32:06,517 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:32:06,517 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:32:06,517 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-28 20:32:06,519 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-28 20:32:06,519 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:32:06,520 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:32:06,520 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:32:06,520 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:32:06,529 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14.base, main_#t~ret14.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out_end~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet9;havoc main_#t~nondet9; 7#L523true assume !(main_~in_len~0 < 1);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc10.base, main_#t~malloc10.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~nondet11;havoc main_#t~nondet11; 20#L527true assume !(main_~out_len~0 < 1);main_~out_end~0 := main_#t~nondet12;havoc main_#t~nondet12; 16#L529true assume !(main_~out_len~0 < main_~out_end~0 + main_~in_len~0);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + main_~out_end~0, 1);strcat_#in~s.base, strcat_#in~s.offset, strcat_#in~t.base, strcat_#in~t.offset := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset;havoc strcat_#res.base, strcat_#res.offset;havoc strcat_#t~ret5, strcat_#t~mem6, strcat_#t~pre7.base, strcat_#t~pre7.offset, strcat_#t~pre8.base, strcat_#t~pre8.offset, strcat_~s.base, strcat_~s.offset, strcat_~t.base, strcat_~t.offset, strcat_~dest~0.base, strcat_~dest~0.offset;strcat_~s.base, strcat_~s.offset := strcat_#in~s.base, strcat_#in~s.offset;strcat_~t.base, strcat_~t.offset := strcat_#in~t.base, strcat_#in~t.offset;strcat_~dest~0.base, strcat_~dest~0.offset := strcat_~s.base, strcat_~s.offset;strlen_#in~s.base, strlen_#in~s.offset := strcat_~s.base, strcat_~s.offset;havoc strlen_#res;havoc strlen_#t~pre3, strlen_#t~pre2.base, strlen_#t~pre2.offset, strlen_#t~mem4, strlen_~s.base, strlen_~s.offset, strlen_~i~0;strlen_~s.base, strlen_~s.offset := strlen_#in~s.base, strlen_#in~s.offset;havoc strlen_~i~0; 14#L508true assume !(strlen_~s.base == 0 && strlen_~s.offset == 0);strlen_~i~0 := 0; 3#L509-4true [2019-11-28 20:32:06,530 INFO L796 eck$LassoCheckResult]: Loop: 3#L509-4true call strlen_#t~mem4 := read~int(strlen_~s.base, strlen_~s.offset, 1); 15#L509-1true assume !!(0 != strlen_#t~mem4);havoc strlen_#t~mem4;strlen_#t~pre3 := 1 + strlen_~i~0;strlen_~i~0 := 1 + strlen_~i~0;havoc strlen_#t~pre3; 19#L509-3true strlen_#t~pre2.base, strlen_#t~pre2.offset := strlen_~s.base, 1 + strlen_~s.offset;strlen_~s.base, strlen_~s.offset := strlen_~s.base, 1 + strlen_~s.offset;havoc strlen_#t~pre2.base, strlen_#t~pre2.offset; 3#L509-4true [2019-11-28 20:32:06,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:32:06,537 INFO L82 PathProgramCache]: Analyzing trace with hash 889571341, now seen corresponding path program 1 times [2019-11-28 20:32:06,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:32:06,547 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402263015] [2019-11-28 20:32:06,547 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:32:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:06,711 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:32:06,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:32:06,712 INFO L82 PathProgramCache]: Analyzing trace with hash 55771, now seen corresponding path program 1 times [2019-11-28 20:32:06,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:32:06,713 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094325857] [2019-11-28 20:32:06,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:32:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:06,729 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:32:06,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:32:06,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1271629391, now seen corresponding path program 1 times [2019-11-28 20:32:06,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:32:06,731 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252375914] [2019-11-28 20:32:06,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:32:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:06,834 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:32:07,476 WARN L192 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 105 [2019-11-28 20:32:07,686 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-11-28 20:32:07,700 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:32:07,702 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:32:07,702 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:32:07,702 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:32:07,702 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:32:07,703 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:07,703 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:32:07,703 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:32:07,703 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcat_short.i_Iteration1_Lasso [2019-11-28 20:32:07,704 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:32:07,704 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:32:07,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:07,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:07,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:07,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:07,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:07,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:07,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:08,193 WARN L192 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-11-28 20:32:08,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:08,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:08,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:08,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:08,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:08,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:08,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:08,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:08,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:08,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:08,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:08,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:08,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:08,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:08,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:08,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:08,926 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:32:08,932 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 [2019-11-28 20:32:08,943 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 [2019-11-28 20:32:08,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:08,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:08,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:08,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:08,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:08,948 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:08,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:32:08,951 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 [2019-11-28 20:32:08,958 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 [2019-11-28 20:32:08,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:08,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:08,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:08,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:08,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:08,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:08,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:32:08,967 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) [2019-11-28 20:32:08,980 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 [2019-11-28 20:32:08,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:08,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:08,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:08,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:08,990 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:08,990 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:08,995 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) [2019-11-28 20:32:09,006 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 [2019-11-28 20:32:09,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:09,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:09,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:09,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:09,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:09,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:09,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:09,014 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) [2019-11-28 20:32:09,021 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 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:09,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:09,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:09,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:09,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:09,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:09,024 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:09,024 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:32:09,026 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 [2019-11-28 20:32:09,036 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 [2019-11-28 20:32:09,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:09,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:09,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:09,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:09,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:09,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:09,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:32:09,042 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 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 [2019-11-28 20:32:09,059 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 [2019-11-28 20:32:09,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:09,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:09,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:09,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:09,065 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:09,065 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:32:09,069 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 [2019-11-28 20:32:09,089 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 [2019-11-28 20:32:09,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:09,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:09,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:09,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:09,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:09,104 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:32:09,118 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 [2019-11-28 20:32:09,136 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 [2019-11-28 20:32:09,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:09,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:09,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:09,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:09,142 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:09,142 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:32:09,147 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 [2019-11-28 20:32:09,158 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 [2019-11-28 20:32:09,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:09,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:09,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:09,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:09,163 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:09,163 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:32:09,167 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) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:09,179 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 [2019-11-28 20:32:09,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:09,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:09,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:09,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:09,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:09,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:32:09,188 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) [2019-11-28 20:32:09,204 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 [2019-11-28 20:32:09,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:09,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:09,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:09,206 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-28 20:32:09,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:09,207 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 20:32:09,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:09,210 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 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:09,226 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 [2019-11-28 20:32:09,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:09,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:09,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:09,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:09,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:09,242 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:32:09,263 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:32:09,456 INFO L443 ModelExtractionUtils]: Simplification made 25 calls to the SMT solver. [2019-11-28 20:32:09,456 INFO L444 ModelExtractionUtils]: 16 out of 55 variables were initially zero. Simplification set additionally 36 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:09,470 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:32:09,473 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 20:32:09,474 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:32:09,474 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlen_~s.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_1) = -1*ULTIMATE.start_strlen_~s.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_1 Supporting invariants [] [2019-11-28 20:32:09,522 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2019-11-28 20:32:09,535 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 20:32:09,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:32:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:32:09,621 INFO L264 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 20:32:09,623 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:32:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:32:09,668 INFO L264 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 20:32:09,669 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:32:09,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:32:09,711 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2019-11-28 20:32:09,713 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states. Second operand 5 states. [2019-11-28 20:32:09,868 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states.. Second operand 5 states. Result 45 states and 60 transitions. Complement of second has 8 states. [2019-11-28 20:32:09,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:32:09,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 20:32:09,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 44 transitions. [2019-11-28 20:32:09,874 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-28 20:32:09,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:32:09,876 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 9 letters. Loop has 3 letters. [2019-11-28 20:32:09,877 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:32:09,877 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 6 letters. Loop has 6 letters. [2019-11-28 20:32:09,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:32:09,879 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 60 transitions. [2019-11-28 20:32:09,888 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 20:32:09,895 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 18 states and 21 transitions. [2019-11-28 20:32:09,897 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2019-11-28 20:32:09,898 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-11-28 20:32:09,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2019-11-28 20:32:09,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:32:09,899 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-11-28 20:32:09,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2019-11-28 20:32:09,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 15. [2019-11-28 20:32:09,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-28 20:32:09,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2019-11-28 20:32:09,935 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2019-11-28 20:32:09,935 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2019-11-28 20:32:09,935 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:32:09,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2019-11-28 20:32:09,938 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 20:32:09,939 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:32:09,947 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:32:09,948 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:32:09,948 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:32:09,949 INFO L794 eck$LassoCheckResult]: Stem: 173#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 172#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14.base, main_#t~ret14.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out_end~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet9;havoc main_#t~nondet9; 170#L523 assume !(main_~in_len~0 < 1);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc10.base, main_#t~malloc10.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~nondet11;havoc main_#t~nondet11; 171#L527 assume !(main_~out_len~0 < 1);main_~out_end~0 := main_#t~nondet12;havoc main_#t~nondet12; 176#L529 assume !(main_~out_len~0 < main_~out_end~0 + main_~in_len~0);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + main_~out_end~0, 1);strcat_#in~s.base, strcat_#in~s.offset, strcat_#in~t.base, strcat_#in~t.offset := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset;havoc strcat_#res.base, strcat_#res.offset;havoc strcat_#t~ret5, strcat_#t~mem6, strcat_#t~pre7.base, strcat_#t~pre7.offset, strcat_#t~pre8.base, strcat_#t~pre8.offset, strcat_~s.base, strcat_~s.offset, strcat_~t.base, strcat_~t.offset, strcat_~dest~0.base, strcat_~dest~0.offset;strcat_~s.base, strcat_~s.offset := strcat_#in~s.base, strcat_#in~s.offset;strcat_~t.base, strcat_~t.offset := strcat_#in~t.base, strcat_#in~t.offset;strcat_~dest~0.base, strcat_~dest~0.offset := strcat_~s.base, strcat_~s.offset;strlen_#in~s.base, strlen_#in~s.offset := strcat_~s.base, strcat_~s.offset;havoc strlen_#res;havoc strlen_#t~pre3, strlen_#t~pre2.base, strlen_#t~pre2.offset, strlen_#t~mem4, strlen_~s.base, strlen_~s.offset, strlen_~i~0;strlen_~s.base, strlen_~s.offset := strlen_#in~s.base, strlen_#in~s.offset;havoc strlen_~i~0; 175#L508 assume strlen_~s.base == 0 && strlen_~s.offset == 0;strlen_#res := 0; 167#L510 strcat_#t~ret5 := strlen_#res;strcat_~s.base, strcat_~s.offset := strcat_~s.base, strcat_~s.offset + strcat_#t~ret5 % 4294967296;havoc strcat_#t~ret5; 168#L516-2 [2019-11-28 20:32:09,949 INFO L796 eck$LassoCheckResult]: Loop: 168#L516-2 assume !false;call strcat_#t~mem6 := read~int(strcat_~t.base, strcat_~t.offset, 1);call write~int(strcat_#t~mem6, strcat_~s.base, strcat_~s.offset, 1); 169#L517 assume !(0 == strcat_#t~mem6);havoc strcat_#t~mem6;strcat_#t~pre7.base, strcat_#t~pre7.offset := strcat_~s.base, 1 + strcat_~s.offset;strcat_~s.base, strcat_~s.offset := strcat_~s.base, 1 + strcat_~s.offset;havoc strcat_#t~pre7.base, strcat_#t~pre7.offset;strcat_#t~pre8.base, strcat_#t~pre8.offset := strcat_~t.base, 1 + strcat_~t.offset;strcat_~t.base, strcat_~t.offset := strcat_~t.base, 1 + strcat_~t.offset;havoc strcat_#t~pre8.base, strcat_#t~pre8.offset; 168#L516-2 [2019-11-28 20:32:09,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:32:09,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1806907772, now seen corresponding path program 1 times [2019-11-28 20:32:09,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:32:09,950 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614319404] [2019-11-28 20:32:09,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:32:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:32:10,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:32:10,057 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614319404] [2019-11-28 20:32:10,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:32:10,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 20:32:10,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700005984] [2019-11-28 20:32:10,063 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 20:32:10,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:32:10,064 INFO L82 PathProgramCache]: Analyzing trace with hash 2470, now seen corresponding path program 1 times [2019-11-28 20:32:10,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:32:10,064 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058753318] [2019-11-28 20:32:10,064 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:32:10,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:10,083 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:32:10,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:32:10,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:32:10,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:32:10,171 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-11-28 20:32:10,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:32:10,203 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2019-11-28 20:32:10,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:32:10,205 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2019-11-28 20:32:10,206 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 20:32:10,206 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 17 transitions. [2019-11-28 20:32:10,207 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-11-28 20:32:10,207 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-28 20:32:10,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 17 transitions. [2019-11-28 20:32:10,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:32:10,207 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2019-11-28 20:32:10,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 17 transitions. [2019-11-28 20:32:10,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-11-28 20:32:10,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-28 20:32:10,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2019-11-28 20:32:10,212 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2019-11-28 20:32:10,212 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2019-11-28 20:32:10,212 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 20:32:10,213 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2019-11-28 20:32:10,215 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 20:32:10,216 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:32:10,216 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:32:10,217 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:32:10,217 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:32:10,217 INFO L794 eck$LassoCheckResult]: Stem: 212#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 211#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14.base, main_#t~ret14.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out_end~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet9;havoc main_#t~nondet9; 209#L523 assume !(main_~in_len~0 < 1);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc10.base, main_#t~malloc10.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~nondet11;havoc main_#t~nondet11; 210#L527 assume !(main_~out_len~0 < 1);main_~out_end~0 := main_#t~nondet12;havoc main_#t~nondet12; 215#L529 assume !(main_~out_len~0 < main_~out_end~0 + main_~in_len~0);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + main_~out_end~0, 1);strcat_#in~s.base, strcat_#in~s.offset, strcat_#in~t.base, strcat_#in~t.offset := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset;havoc strcat_#res.base, strcat_#res.offset;havoc strcat_#t~ret5, strcat_#t~mem6, strcat_#t~pre7.base, strcat_#t~pre7.offset, strcat_#t~pre8.base, strcat_#t~pre8.offset, strcat_~s.base, strcat_~s.offset, strcat_~t.base, strcat_~t.offset, strcat_~dest~0.base, strcat_~dest~0.offset;strcat_~s.base, strcat_~s.offset := strcat_#in~s.base, strcat_#in~s.offset;strcat_~t.base, strcat_~t.offset := strcat_#in~t.base, strcat_#in~t.offset;strcat_~dest~0.base, strcat_~dest~0.offset := strcat_~s.base, strcat_~s.offset;strlen_#in~s.base, strlen_#in~s.offset := strcat_~s.base, strcat_~s.offset;havoc strlen_#res;havoc strlen_#t~pre3, strlen_#t~pre2.base, strlen_#t~pre2.offset, strlen_#t~mem4, strlen_~s.base, strlen_~s.offset, strlen_~i~0;strlen_~s.base, strlen_~s.offset := strlen_#in~s.base, strlen_#in~s.offset;havoc strlen_~i~0; 214#L508 assume !(strlen_~s.base == 0 && strlen_~s.offset == 0);strlen_~i~0 := 0; 201#L509-4 call strlen_#t~mem4 := read~int(strlen_~s.base, strlen_~s.offset, 1); 202#L509-1 assume !(0 != strlen_#t~mem4);havoc strlen_#t~mem4; 205#L509-5 strlen_#res := strlen_~i~0; 206#L510 strcat_#t~ret5 := strlen_#res;strcat_~s.base, strcat_~s.offset := strcat_~s.base, strcat_~s.offset + strcat_#t~ret5 % 4294967296;havoc strcat_#t~ret5; 207#L516-2 [2019-11-28 20:32:10,217 INFO L796 eck$LassoCheckResult]: Loop: 207#L516-2 assume !false;call strcat_#t~mem6 := read~int(strcat_~t.base, strcat_~t.offset, 1);call write~int(strcat_#t~mem6, strcat_~s.base, strcat_~s.offset, 1); 208#L517 assume !(0 == strcat_#t~mem6);havoc strcat_#t~mem6;strcat_#t~pre7.base, strcat_#t~pre7.offset := strcat_~s.base, 1 + strcat_~s.offset;strcat_~s.base, strcat_~s.offset := strcat_~s.base, 1 + strcat_~s.offset;havoc strcat_#t~pre7.base, strcat_#t~pre7.offset;strcat_#t~pre8.base, strcat_#t~pre8.offset := strcat_~t.base, 1 + strcat_~t.offset;strcat_~t.base, strcat_~t.offset := strcat_~t.base, 1 + strcat_~t.offset;havoc strcat_#t~pre8.base, strcat_#t~pre8.offset; 207#L516-2 [2019-11-28 20:32:10,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:32:10,218 INFO L82 PathProgramCache]: Analyzing trace with hash 765803698, now seen corresponding path program 1 times [2019-11-28 20:32:10,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:32:10,218 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242967032] [2019-11-28 20:32:10,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:32:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:10,330 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:32:10,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:32:10,335 INFO L82 PathProgramCache]: Analyzing trace with hash 2470, now seen corresponding path program 2 times [2019-11-28 20:32:10,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:32:10,335 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169195919] [2019-11-28 20:32:10,336 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:32:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:10,357 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:32:10,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:32:10,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1497947671, now seen corresponding path program 1 times [2019-11-28 20:32:10,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:32:10,364 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576306054] [2019-11-28 20:32:10,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:32:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:32:10,463 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:32:11,052 WARN L192 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 119 [2019-11-28 20:32:11,214 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-11-28 20:32:11,218 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:32:11,218 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:32:11,218 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:32:11,218 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:32:11,218 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:32:11,218 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:11,218 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:32:11,218 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:32:11,218 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcat_short.i_Iteration3_Lasso [2019-11-28 20:32:11,219 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:32:11,219 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:32:11,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:11,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:11,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:11,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:11,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:11,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:11,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:11,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:11,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:11,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:11,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:11,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:11,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:11,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:11,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:11,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:11,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:11,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:11,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:11,829 WARN L192 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 88 [2019-11-28 20:32:11,983 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2019-11-28 20:32:11,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:11,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:32:12,682 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:32:12,682 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:12,694 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 [2019-11-28 20:32:12,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:12,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:12,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:12,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:12,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:12,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:12,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:12,698 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:12,709 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 [2019-11-28 20:32:12,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:12,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:12,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:12,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:12,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:12,715 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:12,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:12,719 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 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:12,727 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 [2019-11-28 20:32:12,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:12,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:12,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:12,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:12,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:12,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:12,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:32:12,731 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 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:12,736 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 [2019-11-28 20:32:12,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:12,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:12,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:12,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:12,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:12,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:12,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:32:12,741 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 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:12,749 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 [2019-11-28 20:32:12,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:12,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:12,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:12,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:12,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:12,751 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:12,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:32:12,752 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 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:12,770 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 [2019-11-28 20:32:12,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:12,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:12,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:12,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:12,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:12,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:32:12,780 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:12,789 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 [2019-11-28 20:32:12,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:12,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:12,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:12,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:12,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:12,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:12,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:12,795 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:12,808 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 [2019-11-28 20:32:12,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:12,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:12,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:12,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:12,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:12,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:12,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:12,826 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:12,837 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 [2019-11-28 20:32:12,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:12,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:12,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:12,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:12,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:12,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:12,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:12,850 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:12,859 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 [2019-11-28 20:32:12,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:12,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:12,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:12,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:12,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:12,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:12,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:12,872 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:12,881 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 [2019-11-28 20:32:12,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:12,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:12,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:12,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:12,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:12,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:12,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:12,886 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 27 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:12,897 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 [2019-11-28 20:32:12,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:12,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:12,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:12,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:12,900 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:12,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:32:12,905 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:12,912 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 [2019-11-28 20:32:12,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:12,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:12,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:12,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:12,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:12,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:12,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:12,917 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:12,924 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 [2019-11-28 20:32:12,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:12,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:12,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:12,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:12,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:12,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:12,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:12,929 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:12,937 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 [2019-11-28 20:32:12,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:12,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:12,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:12,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:12,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:12,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:12,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:12,941 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:12,950 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 [2019-11-28 20:32:12,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:12,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:12,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:12,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:12,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:12,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:12,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:12,957 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:12,963 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 [2019-11-28 20:32:12,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:12,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:12,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:12,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:12,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:12,966 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:12,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:32:12,969 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:12,976 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 [2019-11-28 20:32:12,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:12,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:32:12,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:12,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:12,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:12,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:32:12,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:12,981 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:12,989 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 [2019-11-28 20:32:12,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:12,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:12,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:12,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:12,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:12,995 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:13,002 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:13,009 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 [2019-11-28 20:32:13,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:13,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:13,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:13,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:13,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:13,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:32:13,028 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 36 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:13,035 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 [2019-11-28 20:32:13,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:32:13,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:32:13,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:32:13,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:32:13,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:32:13,051 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:13,078 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:32:13,118 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-28 20:32:13,119 INFO L444 ModelExtractionUtils]: 12 out of 55 variables were initially zero. Simplification set additionally 40 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:32:13,124 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:32:13,127 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 20:32:13,128 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:32:13,128 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcat_~s.offset, v_rep(select #length ULTIMATE.start_strcat_~s.base)_1) = -1*ULTIMATE.start_strcat_~s.offset + 1*v_rep(select #length ULTIMATE.start_strcat_~s.base)_1 Supporting invariants [] [2019-11-28 20:32:13,218 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2019-11-28 20:32:13,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 20:32:13,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:32:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:32:13,261 INFO L264 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:32:13,262 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:32:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:32:13,271 INFO L264 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 20:32:13,271 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:32:13,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:32:13,283 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 [2019-11-28 20:32:13,283 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4 Second operand 3 states. [2019-11-28 20:32:13,293 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 17 states and 20 transitions. Complement of second has 4 states. [2019-11-28 20:32:13,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:32:13,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 20:32:13,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2019-11-28 20:32:13,294 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 10 letters. Loop has 2 letters. [2019-11-28 20:32:13,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:32:13,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 12 letters. Loop has 2 letters. [2019-11-28 20:32:13,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:32:13,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 10 letters. Loop has 4 letters. [2019-11-28 20:32:13,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:32:13,295 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions. [2019-11-28 20:32:13,297 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:32:13,297 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2019-11-28 20:32:13,297 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:32:13,297 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:32:13,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:32:13,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:32:13,297 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:32:13,297 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:32:13,298 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:32:13,298 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-28 20:32:13,298 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:32:13,298 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:32:13,298 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 20:32:13,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:32:13 BoogieIcfgContainer [2019-11-28 20:32:13,306 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:32:13,306 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:32:13,306 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:32:13,307 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:32:13,307 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:32:06" (3/4) ... [2019-11-28 20:32:13,311 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:32:13,311 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:32:13,314 INFO L168 Benchmark]: Toolchain (without parser) took 8109.23 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 305.1 MB). Free memory was 961.7 MB in the beginning and 951.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 315.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:32:13,315 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:32:13,316 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-28 20:32:13,317 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.43 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:32:13,318 INFO L168 Benchmark]: Boogie Preprocessor took 38.28 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. [2019-11-28 20:32:13,318 INFO L168 Benchmark]: RCFGBuilder took 430.55 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: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:32:13,319 INFO L168 Benchmark]: BuchiAutomizer took 6890.12 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 158.9 MB). Free memory was 1.1 GB in the beginning and 951.1 MB in the end (delta: 146.3 MB). Peak memory consumption was 305.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:32:13,320 INFO L168 Benchmark]: Witness Printer took 5.01 ms. Allocated memory is still 1.3 GB. Free memory is still 951.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:32:13,323 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 667.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.43 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.28 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 430.55 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: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6890.12 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 158.9 MB). Free memory was 1.1 GB in the beginning and 951.1 MB in the end (delta: 146.3 MB). Peak memory consumption was 305.2 MB. Max. memory is 11.5 GB. * Witness Printer took 5.01 ms. Allocated memory is still 1.3 GB. Free memory is still 951.1 MB. 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 - 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (in_len)] and consists of 6 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[s] and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 6.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 15 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 41 SDtfs, 57 SDslu, 21 SDs, 0 SdLazy, 32 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital230 mio100 ax100 hnf99 lsp95 ukn83 mio100 lsp47 div100 bol100 ite100 ukn100 eq191 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms 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! Received shutdown request...