./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-dietlibc/strlcat.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-dietlibc/strlcat.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 31c220d29d6dec1ef33d2c1aa086e47a745ff101 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:36:59,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:36:59,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:36:59,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:36:59,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:36:59,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:36:59,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:36:59,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:36:59,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:36:59,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:36:59,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:36:59,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:36:59,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:36:59,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:36:59,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:36:59,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:36:59,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:36:59,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:36:59,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:36:59,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:36:59,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:36:59,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:36:59,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:36:59,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:36:59,074 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:36:59,074 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:36:59,081 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:36:59,082 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:36:59,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:36:59,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:36:59,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:36:59,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:36:59,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:36:59,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:36:59,087 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:36:59,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:36:59,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:36:59,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:36:59,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:36:59,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:36:59,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:36:59,091 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:36:59,117 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:36:59,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:36:59,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:36:59,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:36:59,118 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:36:59,118 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:36:59,119 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:36:59,119 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:36:59,122 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:36:59,122 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:36:59,122 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:36:59,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:36:59,123 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:36:59,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:36:59,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:36:59,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:36:59,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:36:59,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:36:59,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:36:59,126 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:36:59,126 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:36:59,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:36:59,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:36:59,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:36:59,127 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:36:59,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:36:59,127 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:36:59,128 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:36:59,128 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:36:59,129 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:36:59,129 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 -> 31c220d29d6dec1ef33d2c1aa086e47a745ff101 [2020-10-20 06:36:59,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:36:59,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:36:59,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:36:59,371 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:36:59,371 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:36:59,372 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-dietlibc/strlcat.i [2020-10-20 06:36:59,436 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0af9a332e/ee0e101311dc41ca91dc343cf80c601f/FLAG2c09082f0 [2020-10-20 06:37:00,044 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:37:00,045 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/strlcat.i [2020-10-20 06:37:00,058 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0af9a332e/ee0e101311dc41ca91dc343cf80c601f/FLAG2c09082f0 [2020-10-20 06:37:00,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0af9a332e/ee0e101311dc41ca91dc343cf80c601f [2020-10-20 06:37:00,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:37:00,339 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:37:00,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:37:00,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:37:00,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:37:00,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:37:00" (1/1) ... [2020-10-20 06:37:00,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3712dba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:00, skipping insertion in model container [2020-10-20 06:37:00,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:37:00" (1/1) ... [2020-10-20 06:37:00,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:37:00,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:37:00,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:37:00,835 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:37:00,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:37:00,943 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:37:00,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:00 WrapperNode [2020-10-20 06:37:00,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:37:00,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:37:00,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:37:00,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:37:00,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:00" (1/1) ... [2020-10-20 06:37:00,980 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:00" (1/1) ... [2020-10-20 06:37:01,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:37:01,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:37:01,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:37:01,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:37:01,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:00" (1/1) ... [2020-10-20 06:37:01,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:00" (1/1) ... [2020-10-20 06:37:01,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:00" (1/1) ... [2020-10-20 06:37:01,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:00" (1/1) ... [2020-10-20 06:37:01,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:00" (1/1) ... [2020-10-20 06:37:01,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:00" (1/1) ... [2020-10-20 06:37:01,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:00" (1/1) ... [2020-10-20 06:37:01,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:37:01,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:37:01,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:37:01,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:37:01,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:01,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 06:37:01,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 06:37:01,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:37:01,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:37:01,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:37:01,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:37:01,544 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:37:01,544 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-10-20 06:37:01,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:37:01 BoogieIcfgContainer [2020-10-20 06:37:01,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:37:01,547 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:37:01,547 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:37:01,551 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:37:01,552 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:37:01,552 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:37:00" (1/3) ... [2020-10-20 06:37:01,554 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ca0c0ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:37:01, skipping insertion in model container [2020-10-20 06:37:01,554 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:37:01,554 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:37:00" (2/3) ... [2020-10-20 06:37:01,554 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ca0c0ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:37:01, skipping insertion in model container [2020-10-20 06:37:01,555 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:37:01,555 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:37:01" (3/3) ... [2020-10-20 06:37:01,557 INFO L373 chiAutomizerObserver]: Analyzing ICFG strlcat.i [2020-10-20 06:37:01,610 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:37:01,610 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:37:01,610 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:37:01,610 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:37:01,610 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:37:01,611 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:37:01,611 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:37:01,611 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:37:01,627 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states. [2020-10-20 06:37:01,650 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2020-10-20 06:37:01,650 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:37:01,651 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:37:01,657 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-20 06:37:01,657 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 06:37:01,657 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:37:01,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states. [2020-10-20 06:37:01,660 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2020-10-20 06:37:01,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:37:01,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:37:01,661 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-20 06:37:01,661 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 06:37:01,668 INFO L794 eck$LassoCheckResult]: Stem: 17#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 15#L-1true havoc main_#res;havoc main_#t~nondet15, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet17, main_#t~malloc18.base, main_#t~malloc18.offset, main_#t~ret19, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet15;havoc main_#t~nondet15; 23#L539true assume !(main_~in_len~0 < 1);call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc16.base, main_#t~malloc16.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~nondet17;havoc main_#t~nondet17; 14#L543true assume !(main_~out_len~0 < 1);call main_#t~malloc18.base, main_#t~malloc18.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc18.base, main_#t~malloc18.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + (main_~out_len~0 - 1), 1);strlcat_#in~dst.base, strlcat_#in~dst.offset, strlcat_#in~src.base, strlcat_#in~src.offset, strlcat_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcat_#res;havoc strlcat_#t~post8.base, strlcat_#t~post8.offset, strlcat_#t~mem5, strlcat_#t~post6, strlcat_#t~short7, strlcat_#t~ret9, strlcat_#t~post11.base, strlcat_#t~post11.offset, strlcat_#t~mem12, strlcat_#t~post13, strlcat_#t~post14.base, strlcat_#t~post14.offset, strlcat_#t~mem10, strlcat_~dst.base, strlcat_~dst.offset, strlcat_~src.base, strlcat_~src.offset, strlcat_~siz, strlcat_~d~0.base, strlcat_~d~0.offset, strlcat_~s~0.base, strlcat_~s~0.offset, strlcat_~n~0, strlcat_~dlen~0;strlcat_~dst.base, strlcat_~dst.offset := strlcat_#in~dst.base, strlcat_#in~dst.offset;strlcat_~src.base, strlcat_~src.offset := strlcat_#in~src.base, strlcat_#in~src.offset;strlcat_~siz := strlcat_#in~siz;strlcat_~d~0.base, strlcat_~d~0.offset := strlcat_~dst.base, strlcat_~dst.offset;strlcat_~s~0.base, strlcat_~s~0.offset := strlcat_~src.base, strlcat_~src.offset;strlcat_~n~0 := strlcat_~siz;havoc strlcat_~dlen~0; 3#L521-5true [2020-10-20 06:37:01,668 INFO L796 eck$LassoCheckResult]: Loop: 3#L521-5true call strlcat_#t~mem5 := read~int(strlcat_~d~0.base, strlcat_~d~0.offset, 1);strlcat_#t~short7 := 0 != strlcat_#t~mem5; 18#L521-1true assume strlcat_#t~short7;strlcat_#t~post6 := strlcat_~n~0;strlcat_~n~0 := strlcat_#t~post6 - 1;strlcat_#t~short7 := 0 != strlcat_#t~post6 % 4294967296; 22#L521-3true assume !!strlcat_#t~short7;havoc strlcat_#t~post6;havoc strlcat_#t~short7;havoc strlcat_#t~mem5;strlcat_#t~post8.base, strlcat_#t~post8.offset := strlcat_~d~0.base, strlcat_~d~0.offset;strlcat_~d~0.base, strlcat_~d~0.offset := strlcat_#t~post8.base, 1 + strlcat_#t~post8.offset;havoc strlcat_#t~post8.base, strlcat_#t~post8.offset; 3#L521-5true [2020-10-20 06:37:01,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:01,674 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2020-10-20 06:37:01,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:01,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077598008] [2020-10-20 06:37:01,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:01,824 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:01,852 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:01,880 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:01,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:01,882 INFO L82 PathProgramCache]: Analyzing trace with hash 46776, now seen corresponding path program 1 times [2020-10-20 06:37:01,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:01,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648654292] [2020-10-20 06:37:01,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:01,896 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:01,906 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:01,911 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:01,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:01,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1806907761, now seen corresponding path program 1 times [2020-10-20 06:37:01,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:01,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456989225] [2020-10-20 06:37:01,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:02,006 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:02,076 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:02,094 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:02,223 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2020-10-20 06:37:02,720 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 100 [2020-10-20 06:37:02,887 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-20 06:37:02,900 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:37:02,901 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:37:02,901 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:37:02,902 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:37:02,902 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:37:02,902 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:02,902 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:37:02,903 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:37:02,903 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcat.i_Iteration1_Lasso [2020-10-20 06:37:02,903 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:37:02,903 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:37:02,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:02,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:03,305 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2020-10-20 06:37:03,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:03,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:03,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:03,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:03,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:03,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:03,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:03,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:03,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:03,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:03,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:03,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:03,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:03,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:03,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:03,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:03,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:04,009 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:37:04,015 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) [2020-10-20 06:37:04,030 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:04,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,037 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:04,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:04,044 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:37:04,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:04,096 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,101 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:37:04,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:04,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:04,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,144 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:04,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:04,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:04,184 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) [2020-10-20 06:37:04,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,230 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:04,230 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,244 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:04,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:04,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:04,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:04,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:04,307 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:04,307 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:04,323 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:37:04,350 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-10-20 06:37:04,350 INFO L444 ModelExtractionUtils]: 20 out of 28 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:04,361 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:37:04,364 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 06:37:04,365 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:37:04,365 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlcat_~d~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc16.base)_1) = -1*ULTIMATE.start_strlcat_~d~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc16.base)_1 Supporting invariants [] [2020-10-20 06:37:04,521 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2020-10-20 06:37:04,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-20 06:37:04,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:04,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-20 06:37:04,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:04,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 06:37:04,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:04,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:37:04,702 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-10-20 06:37:04,703 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states. Second operand 4 states. [2020-10-20 06:37:04,860 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states.. Second operand 4 states. Result 73 states and 101 transitions. Complement of second has 9 states. [2020-10-20 06:37:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 06:37:04,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 06:37:04,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 66 transitions. [2020-10-20 06:37:04,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 66 transitions. Stem has 4 letters. Loop has 3 letters. [2020-10-20 06:37:04,871 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:04,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 66 transitions. Stem has 7 letters. Loop has 3 letters. [2020-10-20 06:37:04,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:04,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 66 transitions. Stem has 4 letters. Loop has 6 letters. [2020-10-20 06:37:04,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:04,873 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 101 transitions. [2020-10-20 06:37:04,885 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2020-10-20 06:37:04,892 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 36 states and 45 transitions. [2020-10-20 06:37:04,893 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2020-10-20 06:37:04,894 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2020-10-20 06:37:04,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 45 transitions. [2020-10-20 06:37:04,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 06:37:04,895 INFO L691 BuchiCegarLoop]: Abstraction has 36 states and 45 transitions. [2020-10-20 06:37:04,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 45 transitions. [2020-10-20 06:37:04,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 27. [2020-10-20 06:37:04,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-20 06:37:04,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2020-10-20 06:37:04,925 INFO L714 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2020-10-20 06:37:04,925 INFO L594 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2020-10-20 06:37:04,925 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:37:04,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 35 transitions. [2020-10-20 06:37:04,926 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2020-10-20 06:37:04,927 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:37:04,927 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:37:04,927 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:37:04,928 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-20 06:37:04,928 INFO L794 eck$LassoCheckResult]: Stem: 212#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 210#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet17, main_#t~malloc18.base, main_#t~malloc18.offset, main_#t~ret19, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet15;havoc main_#t~nondet15; 211#L539 assume !(main_~in_len~0 < 1);call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc16.base, main_#t~malloc16.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~nondet17;havoc main_#t~nondet17; 209#L543 assume !(main_~out_len~0 < 1);call main_#t~malloc18.base, main_#t~malloc18.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc18.base, main_#t~malloc18.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + (main_~out_len~0 - 1), 1);strlcat_#in~dst.base, strlcat_#in~dst.offset, strlcat_#in~src.base, strlcat_#in~src.offset, strlcat_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcat_#res;havoc strlcat_#t~post8.base, strlcat_#t~post8.offset, strlcat_#t~mem5, strlcat_#t~post6, strlcat_#t~short7, strlcat_#t~ret9, strlcat_#t~post11.base, strlcat_#t~post11.offset, strlcat_#t~mem12, strlcat_#t~post13, strlcat_#t~post14.base, strlcat_#t~post14.offset, strlcat_#t~mem10, strlcat_~dst.base, strlcat_~dst.offset, strlcat_~src.base, strlcat_~src.offset, strlcat_~siz, strlcat_~d~0.base, strlcat_~d~0.offset, strlcat_~s~0.base, strlcat_~s~0.offset, strlcat_~n~0, strlcat_~dlen~0;strlcat_~dst.base, strlcat_~dst.offset := strlcat_#in~dst.base, strlcat_#in~dst.offset;strlcat_~src.base, strlcat_~src.offset := strlcat_#in~src.base, strlcat_#in~src.offset;strlcat_~siz := strlcat_#in~siz;strlcat_~d~0.base, strlcat_~d~0.offset := strlcat_~dst.base, strlcat_~dst.offset;strlcat_~s~0.base, strlcat_~s~0.offset := strlcat_~src.base, strlcat_~src.offset;strlcat_~n~0 := strlcat_~siz;havoc strlcat_~dlen~0; 190#L521-5 call strlcat_#t~mem5 := read~int(strlcat_~d~0.base, strlcat_~d~0.offset, 1);strlcat_#t~short7 := 0 != strlcat_#t~mem5; 192#L521-1 assume !strlcat_#t~short7; 213#L521-3 assume !strlcat_#t~short7;havoc strlcat_#t~post6;havoc strlcat_#t~short7;havoc strlcat_#t~mem5; 204#L521-6 assume strlcat_~d~0.base == strlcat_~dst.base;strlcat_~dlen~0 := (if strlcat_~d~0.offset - strlcat_~dst.offset < 0 && 0 != (strlcat_~d~0.offset - strlcat_~dst.offset) % 1 then 1 + (strlcat_~d~0.offset - strlcat_~dst.offset) / 1 else (strlcat_~d~0.offset - strlcat_~dst.offset) / 1);strlcat_~n~0 := strlcat_~siz - strlcat_~dlen~0; 205#L525 assume !(0 == strlcat_~n~0 % 4294967296); 201#L527-3 [2020-10-20 06:37:04,928 INFO L796 eck$LassoCheckResult]: Loop: 201#L527-3 call strlcat_#t~mem10 := read~int(strlcat_~s~0.base, strlcat_~s~0.offset, 1); 196#L527-1 assume !!(0 != strlcat_#t~mem10);havoc strlcat_#t~mem10; 197#L528 assume !(1 != strlcat_~n~0 % 4294967296); 200#L528-2 strlcat_#t~post14.base, strlcat_#t~post14.offset := strlcat_~s~0.base, strlcat_~s~0.offset;strlcat_~s~0.base, strlcat_~s~0.offset := strlcat_#t~post14.base, 1 + strlcat_#t~post14.offset;havoc strlcat_#t~post14.base, strlcat_#t~post14.offset; 201#L527-3 [2020-10-20 06:37:04,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:04,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1271629448, now seen corresponding path program 1 times [2020-10-20 06:37:04,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:04,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98090217] [2020-10-20 06:37:04,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:04,952 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:04,972 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:04,978 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:04,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:04,979 INFO L82 PathProgramCache]: Analyzing trace with hash 2898824, now seen corresponding path program 1 times [2020-10-20 06:37:04,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:04,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181118916] [2020-10-20 06:37:04,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:04,991 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:04,998 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:05,003 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:05,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:05,005 INFO L82 PathProgramCache]: Analyzing trace with hash -701290865, now seen corresponding path program 1 times [2020-10-20 06:37:05,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:05,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853780058] [2020-10-20 06:37:05,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:05,058 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:05,082 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:05,088 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:05,711 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 127 [2020-10-20 06:37:05,916 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-20 06:37:05,919 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:37:05,919 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:37:05,919 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:37:05,920 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:37:05,920 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:37:05,920 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:05,920 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:37:05,920 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:37:05,920 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcat.i_Iteration2_Lasso [2020-10-20 06:37:05,920 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:37:05,920 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:37:05,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:05,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:05,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:05,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:05,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:05,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:05,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:05,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:05,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:05,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:05,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:05,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:06,338 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2020-10-20 06:37:06,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:06,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:06,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:06,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:06,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:06,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:06,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:06,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:06,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:06,926 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2020-10-20 06:37:07,275 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-20 06:37:07,384 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:37:07,385 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-10-20 06:37:07,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:07,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:07,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:07,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:07,401 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:07,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:07,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:07,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,445 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:07,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:07,447 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:07,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:07,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:07,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:07,486 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:07,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:07,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:07,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:07,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:07,528 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 [2020-10-20 06:37:07,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:07,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:07,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:07,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:07,568 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) [2020-10-20 06:37:07,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:07,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:07,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:07,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:07,613 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 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 [2020-10-20 06:37:07,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:07,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:07,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,641 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:07,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:07,643 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 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:07,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:07,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:07,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:07,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:07,667 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 [2020-10-20 06:37:07,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:07,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:07,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:07,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:07,695 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 [2020-10-20 06:37:07,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:07,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:07,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:07,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:07,725 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 [2020-10-20 06:37:07,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:07,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,752 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:07,752 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:07,759 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:07,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:07,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,788 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:07,788 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:07,792 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-10-20 06:37:07,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:07,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,832 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:07,833 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:07,838 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) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:07,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:07,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,879 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:07,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:07,882 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) [2020-10-20 06:37:07,905 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:07,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:07,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:07,916 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 [2020-10-20 06:37:07,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:07,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:07,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:07,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:07,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:07,954 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:07,955 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:07,980 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:37:08,006 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2020-10-20 06:37:08,006 INFO L444 ModelExtractionUtils]: 51 out of 61 variables were initially zero. Simplification set additionally 7 variables to zero. 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 [2020-10-20 06:37:08,008 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:37:08,010 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 06:37:08,010 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:37:08,011 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlcat_~s~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc18.base)_2) = -1*ULTIMATE.start_strlcat_~s~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc18.base)_2 Supporting invariants [] [2020-10-20 06:37:08,065 INFO L297 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2020-10-20 06:37:08,067 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-20 06:37:08,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:08,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-20 06:37:08,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:08,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 06:37:08,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:08,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:37:08,178 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-10-20 06:37:08,178 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 35 transitions. cyclomatic complexity: 12 Second operand 4 states. [2020-10-20 06:37:08,215 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 35 transitions. cyclomatic complexity: 12. Second operand 4 states. Result 35 states and 44 transitions. Complement of second has 5 states. [2020-10-20 06:37:08,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-20 06:37:08,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 06:37:08,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2020-10-20 06:37:08,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 9 letters. Loop has 4 letters. [2020-10-20 06:37:08,218 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:08,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 13 letters. Loop has 4 letters. [2020-10-20 06:37:08,218 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:08,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 9 letters. Loop has 8 letters. [2020-10-20 06:37:08,219 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:08,219 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 44 transitions. [2020-10-20 06:37:08,220 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-20 06:37:08,220 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 16 states and 20 transitions. [2020-10-20 06:37:08,221 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-10-20 06:37:08,221 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2020-10-20 06:37:08,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2020-10-20 06:37:08,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 06:37:08,221 INFO L691 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2020-10-20 06:37:08,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2020-10-20 06:37:08,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-10-20 06:37:08,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-20 06:37:08,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2020-10-20 06:37:08,224 INFO L714 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2020-10-20 06:37:08,224 INFO L594 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2020-10-20 06:37:08,224 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 06:37:08,224 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2020-10-20 06:37:08,225 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-20 06:37:08,225 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:37:08,225 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:37:08,226 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:37:08,226 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 06:37:08,226 INFO L794 eck$LassoCheckResult]: Stem: 378#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 376#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet17, main_#t~malloc18.base, main_#t~malloc18.offset, main_#t~ret19, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet15;havoc main_#t~nondet15; 377#L539 assume !(main_~in_len~0 < 1);call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc16.base, main_#t~malloc16.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~nondet17;havoc main_#t~nondet17; 375#L543 assume !(main_~out_len~0 < 1);call main_#t~malloc18.base, main_#t~malloc18.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc18.base, main_#t~malloc18.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + (main_~out_len~0 - 1), 1);strlcat_#in~dst.base, strlcat_#in~dst.offset, strlcat_#in~src.base, strlcat_#in~src.offset, strlcat_#in~siz := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset, main_~out_len~0;havoc strlcat_#res;havoc strlcat_#t~post8.base, strlcat_#t~post8.offset, strlcat_#t~mem5, strlcat_#t~post6, strlcat_#t~short7, strlcat_#t~ret9, strlcat_#t~post11.base, strlcat_#t~post11.offset, strlcat_#t~mem12, strlcat_#t~post13, strlcat_#t~post14.base, strlcat_#t~post14.offset, strlcat_#t~mem10, strlcat_~dst.base, strlcat_~dst.offset, strlcat_~src.base, strlcat_~src.offset, strlcat_~siz, strlcat_~d~0.base, strlcat_~d~0.offset, strlcat_~s~0.base, strlcat_~s~0.offset, strlcat_~n~0, strlcat_~dlen~0;strlcat_~dst.base, strlcat_~dst.offset := strlcat_#in~dst.base, strlcat_#in~dst.offset;strlcat_~src.base, strlcat_~src.offset := strlcat_#in~src.base, strlcat_#in~src.offset;strlcat_~siz := strlcat_#in~siz;strlcat_~d~0.base, strlcat_~d~0.offset := strlcat_~dst.base, strlcat_~dst.offset;strlcat_~s~0.base, strlcat_~s~0.offset := strlcat_~src.base, strlcat_~src.offset;strlcat_~n~0 := strlcat_~siz;havoc strlcat_~dlen~0; 366#L521-5 call strlcat_#t~mem5 := read~int(strlcat_~d~0.base, strlcat_~d~0.offset, 1);strlcat_#t~short7 := 0 != strlcat_#t~mem5; 367#L521-1 assume !strlcat_#t~short7; 379#L521-3 assume !strlcat_#t~short7;havoc strlcat_#t~post6;havoc strlcat_#t~short7;havoc strlcat_#t~mem5; 372#L521-6 assume strlcat_~d~0.base == strlcat_~dst.base;strlcat_~dlen~0 := (if strlcat_~d~0.offset - strlcat_~dst.offset < 0 && 0 != (strlcat_~d~0.offset - strlcat_~dst.offset) % 1 then 1 + (strlcat_~d~0.offset - strlcat_~dst.offset) / 1 else (strlcat_~d~0.offset - strlcat_~dst.offset) / 1);strlcat_~n~0 := strlcat_~siz - strlcat_~dlen~0; 373#L525 assume 0 == strlcat_~n~0 % 4294967296;strlen_#in~s.base, strlen_#in~s.offset := strlcat_~s~0.base, strlcat_~s~0.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; 374#L508 assume !(strlen_~s.base == 0 && strlen_~s.offset == 0);strlen_~i~0 := 0; 370#L509-4 [2020-10-20 06:37:08,226 INFO L796 eck$LassoCheckResult]: Loop: 370#L509-4 call strlen_#t~mem4 := read~int(strlen_~s.base, strlen_~s.offset, 1); 371#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; 381#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; 370#L509-4 [2020-10-20 06:37:08,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:08,226 INFO L82 PathProgramCache]: Analyzing trace with hash 765806520, now seen corresponding path program 1 times [2020-10-20 06:37:08,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:08,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426375706] [2020-10-20 06:37:08,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:08,243 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:08,257 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:08,262 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:08,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:08,263 INFO L82 PathProgramCache]: Analyzing trace with hash 73645, now seen corresponding path program 1 times [2020-10-20 06:37:08,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:08,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782434143] [2020-10-20 06:37:08,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:08,268 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:08,270 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:08,272 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:08,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:08,273 INFO L82 PathProgramCache]: Analyzing trace with hash -724195178, now seen corresponding path program 1 times [2020-10-20 06:37:08,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:37:08,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028996425] [2020-10-20 06:37:08,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:37:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:08,290 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:37:08,306 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:37:08,311 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:37:08,892 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2020-10-20 06:37:09,103 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-20 06:37:09,105 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:37:09,105 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:37:09,105 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:37:09,105 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:37:09,106 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:37:09,106 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:09,106 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:37:09,106 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:37:09,106 INFO L133 ssoRankerPreferences]: Filename of dumped script: strlcat.i_Iteration3_Lasso [2020-10-20 06:37:09,106 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:37:09,107 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:37:09,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:09,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:09,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:09,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:09,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:09,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:09,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:09,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:09,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:09,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:09,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:09,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:09,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:09,553 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2020-10-20 06:37:09,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:09,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:09,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:09,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:09,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:09,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:09,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:09,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:09,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:09,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:09,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:09,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:09,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:09,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:37:09,919 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2020-10-20 06:37:10,376 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:37:10,376 INFO L489 LassoAnalysis]: Using template 'affine'. 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) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:10,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:10,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:10,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:10,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:10,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:10,385 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:10,385 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:10,388 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) [2020-10-20 06:37:10,412 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:10,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:10,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:10,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:10,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:10,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:10,414 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:10,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:10,415 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 [2020-10-20 06:37:10,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:10,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:10,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:10,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:10,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:10,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:10,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:10,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:10,442 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 [2020-10-20 06:37:10,463 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 [2020-10-20 06:37:10,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:10,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:10,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:10,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:10,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:10,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:10,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:10,470 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) [2020-10-20 06:37:10,500 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:10,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:10,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:10,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:10,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:10,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:10,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:10,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:10,510 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 [2020-10-20 06:37:10,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:10,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:10,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:10,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:10,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:10,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:10,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:10,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:10,540 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) [2020-10-20 06:37:10,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:10,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:10,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:10,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:10,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:10,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:10,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:10,578 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 [2020-10-20 06:37:10,580 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) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:10,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:10,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:10,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:10,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:10,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:10,622 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:10,622 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:10,626 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) [2020-10-20 06:37:10,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:10,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:10,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:10,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:10,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:10,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:10,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:10,661 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 [2020-10-20 06:37:10,663 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) [2020-10-20 06:37:10,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:10,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:10,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:10,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:10,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:10,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:10,708 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:10,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:10,717 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:10,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:10,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:10,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:37:10,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:10,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:10,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:10,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:37:10,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:37:10,746 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 [2020-10-20 06:37:10,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:10,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:10,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:10,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:10,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:10,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:10,773 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:10,777 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 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 [2020-10-20 06:37:10,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:10,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:10,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:10,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:10,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:10,817 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:10,817 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:10,823 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 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 [2020-10-20 06:37:10,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:37:10,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:37:10,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:37:10,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:37:10,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:37:10,860 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:37:10,860 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:37:10,876 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:37:10,904 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2020-10-20 06:37:10,904 INFO L444 ModelExtractionUtils]: 41 out of 49 variables were initially zero. Simplification set additionally 5 variables to zero. 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) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:37:10,906 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:37:10,908 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 06:37:10,909 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:37:10,909 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc18.base)_3, ULTIMATE.start_strlen_~s.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc18.base)_3 - 1*ULTIMATE.start_strlen_~s.offset Supporting invariants [] [2020-10-20 06:37:10,982 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2020-10-20 06:37:10,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-20 06:37:11,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:37:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:11,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-20 06:37:11,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:37:11,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 06:37:11,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:37:11,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:37:11,084 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 [2020-10-20 06:37:11,084 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6 Second operand 5 states. [2020-10-20 06:37:11,144 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6. Second operand 5 states. Result 19 states and 24 transitions. Complement of second has 6 states. [2020-10-20 06:37:11,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-20 06:37:11,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-20 06:37:11,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2020-10-20 06:37:11,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 10 letters. Loop has 3 letters. [2020-10-20 06:37:11,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:11,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 13 letters. Loop has 3 letters. [2020-10-20 06:37:11,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:11,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 10 letters. Loop has 6 letters. [2020-10-20 06:37:11,147 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:37:11,147 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 24 transitions. [2020-10-20 06:37:11,147 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:37:11,147 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2020-10-20 06:37:11,148 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:37:11,148 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:37:11,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:37:11,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:37:11,148 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:37:11,149 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:37:11,149 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:37:11,149 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-20 06:37:11,149 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:37:11,149 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:37:11,149 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:37:11,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:37:11 BoogieIcfgContainer [2020-10-20 06:37:11,155 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:37:11,155 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:37:11,155 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:37:11,155 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:37:11,156 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:37:01" (3/4) ... [2020-10-20 06:37:11,159 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:37:11,159 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:37:11,161 INFO L168 Benchmark]: Toolchain (without parser) took 10827.65 ms. Allocated memory was 37.2 MB in the beginning and 102.2 MB in the end (delta: 65.0 MB). Free memory was 17.7 MB in the beginning and 17.6 MB in the end (delta: 155.0 kB). Peak memory consumption was 65.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:37:11,162 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 34.1 MB. Free memory was 10.6 MB in the beginning and 10.5 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. [2020-10-20 06:37:11,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 604.85 ms. Allocated memory was 37.2 MB in the beginning and 45.6 MB in the end (delta: 8.4 MB). Free memory was 16.8 MB in the beginning and 16.1 MB in the end (delta: 662.9 kB). Peak memory consumption was 15.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:37:11,163 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.47 ms. Allocated memory is still 46.7 MB. Free memory was 29.4 MB in the beginning and 27.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:37:11,164 INFO L168 Benchmark]: Boogie Preprocessor took 34.20 ms. Allocated memory is still 46.7 MB. Free memory was 27.3 MB in the beginning and 25.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:37:11,165 INFO L168 Benchmark]: RCFGBuilder took 499.50 ms. Allocated memory was 46.7 MB in the beginning and 47.2 MB in the end (delta: 524.3 kB). Free memory was 25.5 MB in the beginning and 20.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 15.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:37:11,166 INFO L168 Benchmark]: BuchiAutomizer took 9607.42 ms. Allocated memory was 47.2 MB in the beginning and 102.2 MB in the end (delta: 55.1 MB). Free memory was 20.2 MB in the beginning and 17.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 57.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:37:11,166 INFO L168 Benchmark]: Witness Printer took 4.58 ms. Allocated memory is still 102.2 MB. Free memory is still 17.6 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:37:11,170 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 34.1 MB. Free memory was 10.6 MB in the beginning and 10.5 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 604.85 ms. Allocated memory was 37.2 MB in the beginning and 45.6 MB in the end (delta: 8.4 MB). Free memory was 16.8 MB in the beginning and 16.1 MB in the end (delta: 662.9 kB). Peak memory consumption was 15.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 58.47 ms. Allocated memory is still 46.7 MB. Free memory was 29.4 MB in the beginning and 27.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 34.20 ms. Allocated memory is still 46.7 MB. Free memory was 27.3 MB in the beginning and 25.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. * RCFGBuilder took 499.50 ms. Allocated memory was 46.7 MB in the beginning and 47.2 MB in the end (delta: 524.3 kB). Free memory was 25.5 MB in the beginning and 20.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 15.5 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 9607.42 ms. Allocated memory was 47.2 MB in the beginning and 102.2 MB in the end (delta: 55.1 MB). Free memory was 20.2 MB in the beginning and 17.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 57.7 MB. Max. memory is 14.3 GB. * Witness Printer took 4.58 ms. Allocated memory is still 102.2 MB. Free memory is still 17.6 MB. There was no memory consumed. Max. memory is 14.3 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 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * d + unknown-#length-unknown[__builtin_alloca (in_len)] and consists of 6 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (out_len)] and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (out_len)] + -1 * s and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.5s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 8.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 27 states and ocurred in iteration 1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 51 SDtfs, 75 SDslu, 40 SDs, 0 SdLazy, 36 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital225 mio100 ax100 hnf97 lsp96 ukn81 mio100 lsp42 div156 bol100 ite100 ukn100 eq172 hnf71 smp97 dnf100 smp100 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...