./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 f6fb2bb1 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 0.1.24-f6fb2bb [2019-11-19 19:55:42,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 19:55:42,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 19:55:42,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 19:55:42,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 19:55:42,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 19:55:42,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 19:55:43,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 19:55:43,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 19:55:43,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 19:55:43,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 19:55:43,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 19:55:43,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 19:55:43,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 19:55:43,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 19:55:43,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 19:55:43,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 19:55:43,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 19:55:43,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 19:55:43,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 19:55:43,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 19:55:43,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 19:55:43,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 19:55:43,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 19:55:43,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 19:55:43,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 19:55:43,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 19:55:43,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 19:55:43,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 19:55:43,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 19:55:43,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 19:55:43,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 19:55:43,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 19:55:43,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 19:55:43,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 19:55:43,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 19:55:43,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 19:55:43,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 19:55:43,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 19:55:43,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 19:55:43,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 19:55:43,052 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-19 19:55:43,071 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 19:55:43,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 19:55:43,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 19:55:43,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 19:55:43,073 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 19:55:43,073 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 19:55:43,074 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 19:55:43,074 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 19:55:43,074 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 19:55:43,074 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 19:55:43,075 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 19:55:43,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 19:55:43,075 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 19:55:43,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 19:55:43,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 19:55:43,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 19:55:43,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 19:55:43,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 19:55:43,076 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 19:55:43,077 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 19:55:43,077 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 19:55:43,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 19:55:43,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 19:55:43,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 19:55:43,078 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 19:55:43,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 19:55:43,078 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 19:55:43,079 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 19:55:43,080 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 19:55:43,080 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 [2019-11-19 19:55:43,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 19:55:43,406 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 19:55:43,410 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 19:55:43,412 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 19:55:43,412 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 19:55:43,413 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-libowfat/strcat_short.i [2019-11-19 19:55:43,490 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc3f96a38/e314cb576806443e81230080fa597b4f/FLAG93c710c01 [2019-11-19 19:55:44,062 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 19:55:44,064 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-libowfat/strcat_short.i [2019-11-19 19:55:44,088 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc3f96a38/e314cb576806443e81230080fa597b4f/FLAG93c710c01 [2019-11-19 19:55:44,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc3f96a38/e314cb576806443e81230080fa597b4f [2019-11-19 19:55:44,298 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 19:55:44,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 19:55:44,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 19:55:44,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 19:55:44,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 19:55:44,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:44" (1/1) ... [2019-11-19 19:55:44,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6250643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:44, skipping insertion in model container [2019-11-19 19:55:44,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:44" (1/1) ... [2019-11-19 19:55:44,317 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 19:55:44,367 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 19:55:44,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 19:55:44,787 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 19:55:44,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 19:55:44,884 INFO L192 MainTranslator]: Completed translation [2019-11-19 19:55:44,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:44 WrapperNode [2019-11-19 19:55:44,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 19:55:44,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 19:55:44,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 19:55:44,886 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 19:55:44,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:44" (1/1) ... [2019-11-19 19:55:44,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:44" (1/1) ... [2019-11-19 19:55:44,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 19:55:44,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 19:55:44,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 19:55:44,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 19:55:44,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:44" (1/1) ... [2019-11-19 19:55:44,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:44" (1/1) ... [2019-11-19 19:55:44,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:44" (1/1) ... [2019-11-19 19:55:44,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:44" (1/1) ... [2019-11-19 19:55:44,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:44" (1/1) ... [2019-11-19 19:55:44,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:44" (1/1) ... [2019-11-19 19:55:44,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:44" (1/1) ... [2019-11-19 19:55:44,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 19:55:44,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 19:55:44,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 19:55:44,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 19:55:44,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:44" (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 [2019-11-19 19:55:45,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 19:55:45,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 19:55:45,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 19:55:45,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 19:55:45,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 19:55:45,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 19:55:45,383 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 19:55:45,384 INFO L285 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-19 19:55:45,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:45 BoogieIcfgContainer [2019-11-19 19:55:45,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 19:55:45,386 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 19:55:45,386 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 19:55:45,389 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 19:55:45,390 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 19:55:45,390 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:55:44" (1/3) ... [2019-11-19 19:55:45,391 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ef2040a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:55:45, skipping insertion in model container [2019-11-19 19:55:45,391 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 19:55:45,391 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:44" (2/3) ... [2019-11-19 19:55:45,392 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ef2040a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:55:45, skipping insertion in model container [2019-11-19 19:55:45,392 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 19:55:45,392 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:45" (3/3) ... [2019-11-19 19:55:45,393 INFO L371 chiAutomizerObserver]: Analyzing ICFG strcat_short.i [2019-11-19 19:55:45,433 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 19:55:45,433 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 19:55:45,433 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 19:55:45,433 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 19:55:45,434 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 19:55:45,434 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 19:55:45,434 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 19:55:45,434 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 19:55:45,446 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-19 19:55:45,467 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-19 19:55:45,467 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 19:55:45,467 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 19:55:45,473 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 19:55:45,473 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 19:55:45,473 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 19:55:45,473 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-19 19:55:45,475 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-19 19:55:45,475 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 19:55:45,475 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 19:55:45,476 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 19:55:45,476 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 19:55:45,483 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 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 [2019-11-19 19:55:45,483 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 [2019-11-19 19:55:45,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:55:45,490 INFO L82 PathProgramCache]: Analyzing trace with hash 889571341, now seen corresponding path program 1 times [2019-11-19 19:55:45,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:55:45,498 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993945177] [2019-11-19 19:55:45,499 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:55:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:55:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:55:45,684 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:55:45,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:55:45,685 INFO L82 PathProgramCache]: Analyzing trace with hash 55771, now seen corresponding path program 1 times [2019-11-19 19:55:45,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:55:45,686 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617728663] [2019-11-19 19:55:45,686 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:55:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:55:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:55:45,701 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:55:45,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:55:45,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1271629391, now seen corresponding path program 1 times [2019-11-19 19:55:45,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:55:45,703 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022037869] [2019-11-19 19:55:45,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:55:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:55:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:55:45,784 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:55:46,436 WARN L191 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 108 [2019-11-19 19:55:46,620 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-11-19 19:55:46,635 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 19:55:46,636 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 19:55:46,636 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 19:55:46,637 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 19:55:46,637 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 19:55:46,637 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:46,637 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 19:55:46,638 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 19:55:46,638 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcat_short.i_Iteration1_Lasso [2019-11-19 19:55:46,638 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 19:55:46,639 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 19:55:46,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:46,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:46,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:46,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:46,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:46,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:46,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:47,091 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-11-19 19:55:47,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:47,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:47,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:47,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:47,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:47,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:47,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:47,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:47,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:47,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:47,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:47,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:47,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:47,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:47,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:47,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:47,497 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-11-19 19:55:48,203 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-11-19 19:55:48,440 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 19:55:48,446 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 [2019-11-19 19:55:48,463 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 [2019-11-19 19:55:48,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:48,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:48,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:48,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:48,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:48,473 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:48,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:55:48,483 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe 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 [2019-11-19 19:55:48,493 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 [2019-11-19 19:55:48,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:48,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:48,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:48,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:48,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:48,497 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:48,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:55:48,500 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:48,506 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 [2019-11-19 19:55:48,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:48,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:48,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:48,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:48,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:55:48,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:55:48,522 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Exception during sending of exit command (exit): Broken pipe No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:48,529 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 [2019-11-19 19:55:48,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:48,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:48,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:48,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:48,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:48,533 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:48,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:55:48,536 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:48,556 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 [2019-11-19 19:55:48,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:48,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:48,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:48,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:48,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:48,560 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:48,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:55:48,565 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) [2019-11-19 19:55:48,571 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 [2019-11-19 19:55:48,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:48,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:48,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:48,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:48,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:48,573 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:48,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:48,583 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 [2019-11-19 19:55:48,589 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 [2019-11-19 19:55:48,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:48,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:48,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:48,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:48,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:55:48,597 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:55:48,600 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) [2019-11-19 19:55:48,606 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:48,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:48,609 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2019-11-19 19:55:48,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:48,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:48,636 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-19 19:55:48,637 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:55:48,665 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) [2019-11-19 19:55:48,685 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 [2019-11-19 19:55:48,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:48,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:48,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:48,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:48,689 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:55:48,690 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:48,694 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 [2019-11-19 19:55:48,709 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 [2019-11-19 19:55:48,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:48,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:48,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:48,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:48,714 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:55:48,714 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:55:48,719 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:48,735 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 [2019-11-19 19:55:48,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:48,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:48,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:48,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:48,743 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:55:48,743 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:48,748 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) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:48,759 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 [2019-11-19 19:55:48,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:48,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:48,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:48,762 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-19 19:55:48,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:48,763 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 19:55:48,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:55:48,766 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 [2019-11-19 19:55:48,775 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 [2019-11-19 19:55:48,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:48,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:48,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:48,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:48,795 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:55:48,796 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:55:48,823 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 19:55:49,043 INFO L443 ModelExtractionUtils]: Simplification made 27 calls to the SMT solver. [2019-11-19 19:55:49,044 INFO L444 ModelExtractionUtils]: 18 out of 55 variables were initially zero. Simplification set additionally 34 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 [2019-11-19 19:55:49,064 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 19:55:49,070 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 19:55:49,070 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 19:55:49,071 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_1, ULTIMATE.start_strlen_~s.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_1 - 1*ULTIMATE.start_strlen_~s.offset Supporting invariants [] [2019-11-19 19:55:49,120 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2019-11-19 19:55:49,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-19 19:55:49,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:55:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:55:49,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-19 19:55:49,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:55:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:55:49,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 19:55:49,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:55:49,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:55:49,325 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 [2019-11-19 19:55:49,327 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states. Second operand 5 states. [2019-11-19 19:55:49,476 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. [2019-11-19 19:55:49,477 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 [2019-11-19 19:55:49,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-19 19:55:49,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 44 transitions. [2019-11-19 19:55:49,481 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-19 19:55:49,483 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:55:49,483 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 9 letters. Loop has 3 letters. [2019-11-19 19:55:49,483 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:55:49,483 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 44 transitions. Stem has 6 letters. Loop has 6 letters. [2019-11-19 19:55:49,483 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:55:49,484 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 60 transitions. [2019-11-19 19:55:49,487 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-19 19:55:49,491 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 18 states and 21 transitions. [2019-11-19 19:55:49,492 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2019-11-19 19:55:49,493 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-11-19 19:55:49,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2019-11-19 19:55:49,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 19:55:49,494 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-11-19 19:55:49,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2019-11-19 19:55:49,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 15. [2019-11-19 19:55:49,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-19 19:55:49,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2019-11-19 19:55:49,518 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2019-11-19 19:55:49,518 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2019-11-19 19:55:49,518 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 19:55:49,518 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2019-11-19 19:55:49,519 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 19:55:49,519 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 19:55:49,519 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 19:55:49,520 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:55:49,520 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 19:55:49,520 INFO L794 eck$LassoCheckResult]: Stem: 173#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 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 [2019-11-19 19:55:49,521 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 [2019-11-19 19:55:49,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:55:49,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1806907772, now seen corresponding path program 1 times [2019-11-19 19:55:49,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:55:49,522 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492979461] [2019-11-19 19:55:49,522 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:55:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:55:49,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:55:49,624 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492979461] [2019-11-19 19:55:49,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:55:49,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 19:55:49,626 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763016000] [2019-11-19 19:55:49,630 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 19:55:49,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:55:49,630 INFO L82 PathProgramCache]: Analyzing trace with hash 2470, now seen corresponding path program 1 times [2019-11-19 19:55:49,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:55:49,631 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960696494] [2019-11-19 19:55:49,631 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:55:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:55:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:55:49,659 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:55:49,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:55:49,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 19:55:49,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 19:55:49,744 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-11-19 19:55:49,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:55:49,774 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2019-11-19 19:55:49,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 19:55:49,776 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2019-11-19 19:55:49,777 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 19:55:49,779 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 17 transitions. [2019-11-19 19:55:49,779 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-11-19 19:55:49,779 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-19 19:55:49,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 17 transitions. [2019-11-19 19:55:49,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 19:55:49,779 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2019-11-19 19:55:49,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 17 transitions. [2019-11-19 19:55:49,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-11-19 19:55:49,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-19 19:55:49,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2019-11-19 19:55:49,783 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2019-11-19 19:55:49,783 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2019-11-19 19:55:49,783 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 19:55:49,784 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2019-11-19 19:55:49,785 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 19:55:49,785 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 19:55:49,785 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 19:55:49,786 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:55:49,786 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 19:55:49,786 INFO L794 eck$LassoCheckResult]: Stem: 212#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 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 [2019-11-19 19:55:49,786 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 [2019-11-19 19:55:49,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:55:49,788 INFO L82 PathProgramCache]: Analyzing trace with hash 765803698, now seen corresponding path program 1 times [2019-11-19 19:55:49,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:55:49,789 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727622389] [2019-11-19 19:55:49,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:55:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:55:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:55:49,876 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:55:49,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:55:49,877 INFO L82 PathProgramCache]: Analyzing trace with hash 2470, now seen corresponding path program 2 times [2019-11-19 19:55:49,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:55:49,878 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094855583] [2019-11-19 19:55:49,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:55:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:55:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:55:49,896 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:55:49,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:55:49,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1497947671, now seen corresponding path program 1 times [2019-11-19 19:55:49,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:55:49,898 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112492076] [2019-11-19 19:55:49,898 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:55:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:55:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:55:50,013 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:55:50,674 WARN L191 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 122 [2019-11-19 19:55:50,897 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-11-19 19:55:50,901 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 19:55:50,901 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 19:55:50,901 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 19:55:50,901 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 19:55:50,901 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 19:55:50,901 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:50,902 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 19:55:50,902 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 19:55:50,902 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcat_short.i_Iteration3_Lasso [2019-11-19 19:55:50,902 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 19:55:50,902 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 19:55:50,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:50,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:50,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:50,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:50,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:50,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:50,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:50,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:50,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:50,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:50,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:50,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:50,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:50,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:50,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:50,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:50,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:50,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:50,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:50,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:51,518 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 91 [2019-11-19 19:55:51,695 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2019-11-19 19:55:51,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:52,831 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-11-19 19:55:52,906 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 19:55:52,907 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) [2019-11-19 19:55:52,921 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 [2019-11-19 19:55:52,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:52,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:52,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:52,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:52,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:52,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:52,925 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 [2019-11-19 19:55:52,926 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) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:52,934 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 [2019-11-19 19:55:52,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:52,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:52,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:52,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:52,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:52,936 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:52,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:55:52,937 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 [2019-11-19 19:55:52,945 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 [2019-11-19 19:55:52,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:52,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:52,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:52,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:52,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:52,948 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:52,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:55:52,951 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 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 [2019-11-19 19:55:52,959 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 [2019-11-19 19:55:52,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:52,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:52,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:52,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:52,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:52,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:52,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:55:52,968 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) [2019-11-19 19:55:52,982 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 [2019-11-19 19:55:52,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:52,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:52,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:52,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:52,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:52,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:52,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:52,987 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 [2019-11-19 19:55:53,003 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 [2019-11-19 19:55:53,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:53,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:53,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:53,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:53,007 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:55:53,007 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:55:53,011 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) [2019-11-19 19:55:53,019 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 [2019-11-19 19:55:53,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:53,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:53,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:53,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:53,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:53,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:53,022 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 [2019-11-19 19:55:53,026 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 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:53,039 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 [2019-11-19 19:55:53,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:53,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:53,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:53,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:53,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:53,042 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:53,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:55:53,045 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) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:53,053 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 [2019-11-19 19:55:53,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:53,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:53,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:53,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:53,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:53,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:53,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:55:53,057 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) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:53,064 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 [2019-11-19 19:55:53,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:53,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:53,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:53,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:53,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:53,066 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:53,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:55:53,067 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) [2019-11-19 19:55:53,076 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:53,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:53,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:53,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:53,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:53,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:53,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:53,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:55:53,081 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 [2019-11-19 19:55:53,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 19:55:53,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:53,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:53,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:53,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:53,089 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:55:53,089 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:55:53,092 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) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:53,099 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 [2019-11-19 19:55:53,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:53,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:53,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:53,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:53,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:53,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:53,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:55:53,103 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) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:53,110 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 [2019-11-19 19:55:53,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:53,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:53,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:53,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:53,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:53,112 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:53,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:55:53,115 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) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:53,120 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 [2019-11-19 19:55:53,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:53,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:53,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:53,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:53,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:53,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:53,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:55:53,124 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) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:53,129 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 [2019-11-19 19:55:53,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:53,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:53,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:53,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:53,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:53,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:53,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:55:53,139 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) [2019-11-19 19:55:53,148 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 [2019-11-19 19:55:53,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:53,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:53,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:53,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:53,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:53,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:53,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:53,153 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) [2019-11-19 19:55:53,160 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 [2019-11-19 19:55:53,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:53,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:53,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:53,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:53,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:53,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:53,163 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 [2019-11-19 19:55:53,165 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) [2019-11-19 19:55:53,174 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 [2019-11-19 19:55:53,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:53,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:53,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:53,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:53,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:53,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:53,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:53,179 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) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:53,185 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 [2019-11-19 19:55:53,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:53,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:53,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:53,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:53,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:55:53,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:55:53,197 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) [2019-11-19 19:55:53,214 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 [2019-11-19 19:55:53,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:53,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:53,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:53,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:53,225 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:55:53,225 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 [2019-11-19 19:55:53,235 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 37 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 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:53,264 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 [2019-11-19 19:55:53,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:53,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:53,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:53,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:53,278 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:55:53,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:55:53,305 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 19:55:53,357 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2019-11-19 19:55:53,358 INFO L444 ModelExtractionUtils]: 36 out of 55 variables were initially zero. Simplification set additionally 16 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:53,363 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 19:55:53,367 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 19:55:53,368 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 19:55:53,368 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcat_~s.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_2) = -1*ULTIMATE.start_strcat_~s.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_2 Supporting invariants [] [2019-11-19 19:55:53,453 INFO L297 tatePredicateManager]: 18 out of 20 supporting invariants were superfluous and have been removed [2019-11-19 19:55:53,458 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-19 19:55:53,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:55:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:55:53,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 30 conjunts are in the unsatisfiable core [2019-11-19 19:55:53,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:55:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:55:53,600 WARN L253 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-19 19:55:53,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:55:53,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:55:53,625 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2019-11-19 19:55:53,625 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4 Second operand 7 states. [2019-11-19 19:55:53,797 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4. Second operand 7 states. Result 25 states and 28 transitions. Complement of second has 10 states. [2019-11-19 19:55:53,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 5 stem states 1 non-accepting loop states 2 accepting loop states [2019-11-19 19:55:53,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-19 19:55:53,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 19 transitions. [2019-11-19 19:55:53,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 19 transitions. Stem has 10 letters. Loop has 2 letters. [2019-11-19 19:55:53,799 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:55:53,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 19 transitions. Stem has 12 letters. Loop has 2 letters. [2019-11-19 19:55:53,799 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:55:53,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 19 transitions. Stem has 10 letters. Loop has 4 letters. [2019-11-19 19:55:53,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:55:53,800 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 28 transitions. [2019-11-19 19:55:53,801 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 19:55:53,801 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 18 states and 19 transitions. [2019-11-19 19:55:53,802 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-19 19:55:53,802 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2019-11-19 19:55:53,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 19 transitions. [2019-11-19 19:55:53,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 19:55:53,802 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 19 transitions. [2019-11-19 19:55:53,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 19 transitions. [2019-11-19 19:55:53,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 15. [2019-11-19 19:55:53,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-19 19:55:53,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2019-11-19 19:55:53,804 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 16 transitions. [2019-11-19 19:55:53,804 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 16 transitions. [2019-11-19 19:55:53,804 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-19 19:55:53,805 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 16 transitions. [2019-11-19 19:55:53,805 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 19:55:53,805 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 19:55:53,805 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 19:55:53,806 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:55:53,806 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 19:55:53,806 INFO L794 eck$LassoCheckResult]: Stem: 414#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 413#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; 411#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; 412#L527 assume !(main_~out_len~0 < 1);main_~out_end~0 := main_#t~nondet12;havoc main_#t~nondet12; 417#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; 416#L508 assume !(strlen_~s.base == 0 && strlen_~s.offset == 0);strlen_~i~0 := 0; 403#L509-4 call strlen_#t~mem4 := read~int(strlen_~s.base, strlen_~s.offset, 1); 404#L509-1 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; 415#L509-3 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; 405#L509-4 call strlen_#t~mem4 := read~int(strlen_~s.base, strlen_~s.offset, 1); 406#L509-1 assume !(0 != strlen_#t~mem4);havoc strlen_#t~mem4; 407#L509-5 strlen_#res := strlen_~i~0; 408#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; 409#L516-2 [2019-11-19 19:55:53,806 INFO L796 eck$LassoCheckResult]: Loop: 409#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); 410#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; 409#L516-2 [2019-11-19 19:55:53,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:55:53,807 INFO L82 PathProgramCache]: Analyzing trace with hash -755103244, now seen corresponding path program 1 times [2019-11-19 19:55:53,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:55:53,807 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672063768] [2019-11-19 19:55:53,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:55:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:55:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:55:53,849 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:55:53,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:55:53,850 INFO L82 PathProgramCache]: Analyzing trace with hash 2470, now seen corresponding path program 3 times [2019-11-19 19:55:53,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:55:53,850 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706581965] [2019-11-19 19:55:53,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:55:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:55:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:55:53,859 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:55:53,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:55:53,860 INFO L82 PathProgramCache]: Analyzing trace with hash 195257049, now seen corresponding path program 1 times [2019-11-19 19:55:53,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:55:53,860 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470667634] [2019-11-19 19:55:53,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:55:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:55:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:55:53,941 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:55:54,604 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 137 [2019-11-19 19:55:54,799 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-11-19 19:55:54,801 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 19:55:54,802 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 19:55:54,802 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 19:55:54,802 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 19:55:54,802 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 19:55:54,802 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:54,802 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 19:55:54,802 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 19:55:54,802 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcat_short.i_Iteration4_Lasso [2019-11-19 19:55:54,802 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 19:55:54,803 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 19:55:54,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:54,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:54,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:54,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:54,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:55,438 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 97 [2019-11-19 19:55:55,634 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-11-19 19:55:55,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:55,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:55,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:55,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:55,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:55,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:55,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:55,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:55,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:55,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:55,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:55,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:55,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:55,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:55,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:55:55,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Exception during sending of exit command (exit): Broken pipe [2019-11-19 19:55:56,862 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-11-19 19:55:57,062 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 19:55:57,062 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 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 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:57,075 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 [2019-11-19 19:55:57,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:57,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:57,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:57,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:57,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:57,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:57,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:55:57,080 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 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:57,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 19:55:57,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:57,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:57,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:57,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:57,091 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:55:57,091 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:55:57,094 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 41 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 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:57,101 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 [2019-11-19 19:55:57,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:57,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:57,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:57,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:57,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:57,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:57,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:55:57,104 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 42 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 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:57,110 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 [2019-11-19 19:55:57,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:57,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:57,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:57,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:57,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:57,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:55:57,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:55:57,117 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 43 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 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:57,124 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 [2019-11-19 19:55:57,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:57,125 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-19 19:55:57,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:57,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:57,127 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-19 19:55:57,127 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:55:57,131 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 44 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 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:57,136 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 [2019-11-19 19:55:57,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:57,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:57,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:57,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:57,147 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:55:57,147 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:55:57,153 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 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:57,165 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 [2019-11-19 19:55:57,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:57,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:57,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:57,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:57,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:55:57,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:57,177 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 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:57,184 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 [2019-11-19 19:55:57,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:57,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:55:57,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:57,186 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-19 19:55:57,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:57,187 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 19:55:57,188 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:57,190 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 47 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:57,197 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 [2019-11-19 19:55:57,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:57,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:57,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:57,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:57,202 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:55:57,202 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:55:57,209 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 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:57,214 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 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:57,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:57,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:57,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:57,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:57,220 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:55:57,221 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:55:57,226 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 49 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:57,233 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 [2019-11-19 19:55:57,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:57,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:57,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:57,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:57,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:55:57,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:55:57,247 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:57,259 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 [2019-11-19 19:55:57,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:57,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:57,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:57,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:57,264 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:55:57,264 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:57,269 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 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:57,277 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 [2019-11-19 19:55:57,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:57,280 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2019-11-19 19:55:57,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:57,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:57,299 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-19 19:55:57,299 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:55:57,329 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 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:57,338 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 [2019-11-19 19:55:57,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:57,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:57,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:57,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:57,342 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:55:57,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:57,348 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:55:57,358 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:57,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:55:57,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:55:57,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:55:57,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:55:57,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:55:57,373 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:55:57,400 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 19:55:57,455 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-11-19 19:55:57,455 INFO L444 ModelExtractionUtils]: 32 out of 52 variables were initially zero. Simplification set additionally 17 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 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 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:55:57,460 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 19:55:57,463 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 19:55:57,463 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 19:55:57,463 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcat_~s.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_3) = -1*ULTIMATE.start_strcat_~s.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_3 Supporting invariants [] [2019-11-19 19:55:57,557 INFO L297 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2019-11-19 19:55:57,559 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-19 19:55:57,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:55:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:55:57,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-19 19:55:57,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:55:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:55:57,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 19:55:57,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:55:57,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:55:57,641 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 [2019-11-19 19:55:57,642 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 16 transitions. cyclomatic complexity: 3 Second operand 5 states. [2019-11-19 19:55:57,697 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 16 transitions. cyclomatic complexity: 3. Second operand 5 states. Result 17 states and 19 transitions. Complement of second has 6 states. [2019-11-19 19:55:57,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-19 19:55:57,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-19 19:55:57,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2019-11-19 19:55:57,703 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 13 letters. Loop has 2 letters. [2019-11-19 19:55:57,703 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:55:57,704 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 15 letters. Loop has 2 letters. [2019-11-19 19:55:57,704 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:55:57,704 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 13 letters. Loop has 4 letters. [2019-11-19 19:55:57,704 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:55:57,704 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 19 transitions. [2019-11-19 19:55:57,705 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 19:55:57,705 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2019-11-19 19:55:57,705 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 19:55:57,705 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 19:55:57,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 19:55:57,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 19:55:57,706 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 19:55:57,706 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 19:55:57,706 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 19:55:57,706 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-19 19:55:57,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 19:55:57,706 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 19:55:57,706 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 19:55:57,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:55:57 BoogieIcfgContainer [2019-11-19 19:55:57,713 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 19:55:57,714 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 19:55:57,714 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 19:55:57,714 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 19:55:57,714 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:45" (3/4) ... [2019-11-19 19:55:57,718 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 19:55:57,718 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 19:55:57,720 INFO L168 Benchmark]: Toolchain (without parser) took 13420.74 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 360.7 MB). Free memory was 963.0 MB in the beginning and 1.1 GB in the end (delta: -111.9 MB). Peak memory consumption was 248.8 MB. Max. memory is 11.5 GB. [2019-11-19 19:55:57,721 INFO L168 Benchmark]: CDTParser took 0.29 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. [2019-11-19 19:55:57,721 INFO L168 Benchmark]: CACSL2BoogieTranslator took 584.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 963.0 MB in the beginning and 1.1 GB in the end (delta: -129.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-19 19:55:57,722 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-19 19:55:57,722 INFO L168 Benchmark]: Boogie Preprocessor took 28.41 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 19:55:57,723 INFO L168 Benchmark]: RCFGBuilder took 415.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-11-19 19:55:57,724 INFO L168 Benchmark]: BuchiAutomizer took 12327.47 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 243.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -8.2 MB). Peak memory consumption was 235.6 MB. Max. memory is 11.5 GB. [2019-11-19 19:55:57,724 INFO L168 Benchmark]: Witness Printer took 4.86 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 19:55:57,727 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 584.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 963.0 MB in the beginning and 1.1 GB in the end (delta: -129.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.41 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 415.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 12327.47 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 243.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -8.2 MB). Peak memory consumption was 235.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.86 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (in_len)] + -1 * s and consists of 6 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (out_len)] and consists of 8 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (in_len)] and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.2s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 11.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 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 [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 47 SDtfs, 86 SDslu, 41 SDs, 0 SdLazy, 56 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital247 mio100 ax100 hnf99 lsp96 ukn85 mio100 lsp45 div100 bol100 ite100 ukn100 eq189 hnf88 smp100 dnf206 smp98 tf100 neg97 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 62ms VariablesStem: 12 VariablesLoop: 4 DisjunctsStem: 4 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 12 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...