./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrcat_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-15/cstrcat_reverse_alloca.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 79c8f3e75568b724086e7997d923ad8ab07e6657 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:03:34,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:03:34,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:03:34,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:03:34,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:03:34,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:03:34,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:03:34,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:03:34,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:03:34,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:03:34,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:03:34,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:03:34,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:03:34,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:03:34,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:03:34,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:03:34,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:03:34,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:03:34,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:03:34,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:03:34,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:03:34,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:03:34,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:03:34,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:03:34,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:03:34,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:03:34,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:03:34,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:03:34,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:03:34,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:03:34,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:03:34,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:03:34,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:03:34,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:03:34,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:03:34,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:03:34,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:03:34,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:03:34,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:03:34,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:03:34,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:03:34,992 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 03:03:35,015 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:03:35,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:03:35,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:03:35,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:03:35,019 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:03:35,019 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:03:35,019 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:03:35,020 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:03:35,020 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:03:35,020 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:03:35,021 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:03:35,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:03:35,022 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:03:35,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:03:35,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:03:35,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:03:35,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:03:35,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:03:35,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:03:35,025 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:03:35,025 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:03:35,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:03:35,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:03:35,026 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:03:35,026 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:03:35,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:03:35,027 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:03:35,027 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:03:35,029 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:03:35,029 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 -> 79c8f3e75568b724086e7997d923ad8ab07e6657 [2019-11-28 03:03:35,324 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:03:35,338 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:03:35,342 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:03:35,344 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:03:35,344 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:03:35,345 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrcat_reverse_alloca.i [2019-11-28 03:03:35,425 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09c887367/494ed4d208eb411dbde4f8e23a93182e/FLAG17cb4542b [2019-11-28 03:03:35,997 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:03:35,998 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrcat_reverse_alloca.i [2019-11-28 03:03:36,017 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09c887367/494ed4d208eb411dbde4f8e23a93182e/FLAG17cb4542b [2019-11-28 03:03:36,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09c887367/494ed4d208eb411dbde4f8e23a93182e [2019-11-28 03:03:36,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:03:36,338 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:03:36,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:03:36,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:03:36,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:03:36,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:36" (1/1) ... [2019-11-28 03:03:36,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9c624c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:36, skipping insertion in model container [2019-11-28 03:03:36,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:36" (1/1) ... [2019-11-28 03:03:36,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:03:36,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:03:36,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:03:36,892 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:03:36,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:03:37,062 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:03:37,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:37 WrapperNode [2019-11-28 03:03:37,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:03:37,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:03:37,066 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:03:37,066 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:03:37,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:37" (1/1) ... [2019-11-28 03:03:37,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:37" (1/1) ... [2019-11-28 03:03:37,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:03:37,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:03:37,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:03:37,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:03:37,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:37" (1/1) ... [2019-11-28 03:03:37,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:37" (1/1) ... [2019-11-28 03:03:37,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:37" (1/1) ... [2019-11-28 03:03:37,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:37" (1/1) ... [2019-11-28 03:03:37,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:37" (1/1) ... [2019-11-28 03:03:37,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:37" (1/1) ... [2019-11-28 03:03:37,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:37" (1/1) ... [2019-11-28 03:03:37,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:03:37,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:03:37,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:03:37,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:03:37,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 03:03:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 03:03:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:03:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 03:03:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:03:37,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:03:37,562 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:03:37,563 INFO L297 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-28 03:03:37,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:37 BoogieIcfgContainer [2019-11-28 03:03:37,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:03:37,565 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:03:37,565 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:03:37,569 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:03:37,570 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:03:37,570 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:03:36" (1/3) ... [2019-11-28 03:03:37,571 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c8fad32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:03:37, skipping insertion in model container [2019-11-28 03:03:37,571 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:03:37,571 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:37" (2/3) ... [2019-11-28 03:03:37,572 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c8fad32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:03:37, skipping insertion in model container [2019-11-28 03:03:37,572 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:03:37,572 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:37" (3/3) ... [2019-11-28 03:03:37,574 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrcat_reverse_alloca.i [2019-11-28 03:03:37,621 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:03:37,621 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:03:37,622 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:03:37,622 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:03:37,622 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:03:37,622 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:03:37,624 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:03:37,624 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:03:37,636 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-28 03:03:37,657 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 03:03:37,658 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:03:37,658 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:03:37,663 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:03:37,664 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:03:37,664 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:03:37,664 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-28 03:03:37,665 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 03:03:37,666 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:03:37,666 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:03:37,666 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:03:37,666 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:03:37,672 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet210, main_#t~nondet211, main_#t~nondet212, main_#t~malloc213.base, main_#t~malloc213.offset, main_#t~malloc214.base, main_#t~malloc214.offset, main_#t~ret215.base, main_#t~ret215.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet210;havoc main_#t~nondet210;main_~length2~0 := main_#t~nondet211;havoc main_#t~nondet211;main_~length3~0 := main_#t~nondet212;havoc main_#t~nondet212; 3#L377true assume !(main_~length1~0 < 1); 6#L377-2true assume !(main_~length2~0 < 2); 15#L380-1true assume !(main_~length3~0 < 1); 10#L383-1true assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc213.base, main_#t~malloc213.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc213.base, main_#t~malloc213.offset;call main_#t~malloc214.base, main_#t~malloc214.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc214.base, main_#t~malloc214.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset, 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - main_~length3~0), 1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrcat_#in~s1.base, cstrcat_#in~s1.offset, cstrcat_#in~s2.base, cstrcat_#in~s2.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrcat_#res.base, cstrcat_#res.offset;havoc cstrcat_#t~post206.base, cstrcat_#t~post206.offset, cstrcat_#t~mem205, cstrcat_#t~post207.base, cstrcat_#t~post207.offset, cstrcat_#t~post208.base, cstrcat_#t~post208.offset, cstrcat_#t~mem209, cstrcat_~s1.base, cstrcat_~s1.offset, cstrcat_~s2.base, cstrcat_~s2.offset, cstrcat_~s~0.base, cstrcat_~s~0.offset;cstrcat_~s1.base, cstrcat_~s1.offset := cstrcat_#in~s1.base, cstrcat_#in~s1.offset;cstrcat_~s2.base, cstrcat_~s2.offset := cstrcat_#in~s2.base, cstrcat_#in~s2.offset;cstrcat_~s~0.base, cstrcat_~s~0.offset := cstrcat_~s1.base, cstrcat_~s1.offset; 7#L367-3true [2019-11-28 03:03:37,673 INFO L796 eck$LassoCheckResult]: Loop: 7#L367-3true call cstrcat_#t~mem205 := read~int(cstrcat_~s~0.base, cstrcat_~s~0.offset, 1); 4#L367-1true assume !!(0 != cstrcat_#t~mem205);havoc cstrcat_#t~mem205;cstrcat_#t~post206.base, cstrcat_#t~post206.offset := cstrcat_~s~0.base, cstrcat_~s~0.offset;cstrcat_~s~0.base, cstrcat_~s~0.offset := cstrcat_#t~post206.base, cstrcat_#t~post206.offset - 1;havoc cstrcat_#t~post206.base, cstrcat_#t~post206.offset; 7#L367-3true [2019-11-28 03:03:37,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:03:37,678 INFO L82 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2019-11-28 03:03:37,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:03:37,685 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554575127] [2019-11-28 03:03:37,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:03:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:03:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:03:37,865 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:03:37,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:03:37,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2019-11-28 03:03:37,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:03:37,867 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745512778] [2019-11-28 03:03:37,867 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:03:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:03:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:03:37,880 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:03:37,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:03:37,882 INFO L82 PathProgramCache]: Analyzing trace with hash 180553748, now seen corresponding path program 1 times [2019-11-28 03:03:37,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:03:37,883 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591621886] [2019-11-28 03:03:37,883 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:03:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:03:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:03:37,987 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:03:38,514 WARN L192 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 99 [2019-11-28 03:03:38,688 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-11-28 03:03:38,704 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:03:38,705 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:03:38,705 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:03:38,706 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:03:38,706 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:03:38,706 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:38,706 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:03:38,707 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:03:38,707 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcat_reverse_alloca.i_Iteration1_Lasso [2019-11-28 03:03:38,707 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:03:38,708 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:03:38,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:38,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:38,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:38,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:38,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:38,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:38,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:38,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:38,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:39,140 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-11-28 03:03:39,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:39,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:39,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:39,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:39,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:39,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:39,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:39,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:39,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:39,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:03:39,787 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:03:39,793 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) [2019-11-28 03:03:39,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:39,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:39,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:03:39,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:39,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:39,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:39,810 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:03:39,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:39,815 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:39,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:39,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:39,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:39,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:39,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:39,841 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:03:39,842 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:03:39,847 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:03:39,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:39,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:39,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:03:39,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:39,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:39,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:39,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:03:39,883 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 [2019-11-28 03:03:39,886 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:03:39,901 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:39,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:39,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:03:39,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:39,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:39,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:39,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:03:39,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:03:39,914 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:03:39,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:39,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:39,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:39,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:39,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:39,947 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:03:39,950 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 [2019-11-28 03:03:39,957 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:03:39,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:39,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:39,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:03:39,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:39,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:39,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:39,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:03:39,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:03:40,007 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 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) [2019-11-28 03:03:40,027 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:40,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:40,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:03:40,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:40,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:40,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:40,033 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:03:40,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:03:40,036 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:03:40,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:40,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:40,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:03:40,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:40,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:40,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:40,069 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:03:40,069 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 [2019-11-28 03:03:40,072 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:40,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:40,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:40,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:40,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:40,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:40,092 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:03:40,094 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:03:40,099 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) [2019-11-28 03:03:40,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:40,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:40,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:40,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:40,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:40,128 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:03:40,128 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:40,138 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:03:40,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:40,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:40,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:40,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:40,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:40,170 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:03:40,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:40,178 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:03:40,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:40,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:40,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:40,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:40,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:40,207 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:03:40,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:03:40,213 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 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:03:40,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:03:40,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:40,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:40,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:40,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:40,243 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:03:40,244 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:40,257 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) [2019-11-28 03:03:40,272 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:03:40,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:03:40,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:03:40,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:03:40,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:03:40,292 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:03:40,293 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:03:40,318 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:03:40,422 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-28 03:03:40,422 INFO L444 ModelExtractionUtils]: 37 out of 49 variables were initially zero. Simplification set additionally 9 variables to zero. 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 [2019-11-28 03:03:40,461 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:03:40,465 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:03:40,466 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:03:40,467 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrcat_~s~0.base)_1, ULTIMATE.start_cstrcat_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_cstrcat_~s~0.base)_1 + 2*ULTIMATE.start_cstrcat_~s~0.offset Supporting invariants [] [2019-11-28 03:03:40,497 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2019-11-28 03:03:40,507 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 03:03:40,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:03:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:03:40,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:03:40,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:03:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:03:40,570 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 03:03:40,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:03:40,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:03:40,607 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 03:03:40,609 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 3 states. [2019-11-28 03:03:40,680 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 3 states. Result 35 states and 45 transitions. Complement of second has 7 states. [2019-11-28 03:03:40,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 03:03:40,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:03:40,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2019-11-28 03:03:40,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-28 03:03:40,687 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:03:40,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 8 letters. Loop has 2 letters. [2019-11-28 03:03:40,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:03:40,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-28 03:03:40,689 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:03:40,690 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 45 transitions. [2019-11-28 03:03:40,694 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:03:40,697 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2019-11-28 03:03:40,698 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:03:40,699 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:03:40,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:03:40,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:03:40,700 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:03:40,700 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:03:40,700 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:03:40,700 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:03:40,701 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:03:40,701 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:03:40,701 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:03:40,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:03:40 BoogieIcfgContainer [2019-11-28 03:03:40,708 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:03:40,709 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:03:40,709 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:03:40,709 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:03:40,710 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:37" (3/4) ... [2019-11-28 03:03:40,714 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:03:40,714 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:03:40,716 INFO L168 Benchmark]: Toolchain (without parser) took 4378.39 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 223.9 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -180.8 MB). Peak memory consumption was 43.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:03:40,717 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:03:40,719 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:03:40,719 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:03:40,720 INFO L168 Benchmark]: Boogie Preprocessor took 27.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:03:40,721 INFO L168 Benchmark]: RCFGBuilder took 412.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:03:40,722 INFO L168 Benchmark]: BuchiAutomizer took 3143.36 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 61.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -28.3 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:03:40,723 INFO L168 Benchmark]: Witness Printer took 5.43 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:03:40,727 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 723.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 412.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3143.36 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 61.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -28.3 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * Witness Printer took 5.43 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[s] + 2 * s and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 18 SDslu, 13 SDs, 0 SdLazy, 4 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital205 mio100 ax100 hnf99 lsp97 ukn74 mio100 lsp54 div100 bol100 ite100 ukn100 eq187 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms 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...