./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/array-memsafety/openbsd_cstrcat-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: 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 /storage/repos/svcomp/c/array-memsafety/openbsd_cstrcat-alloca_true-valid-memsafety_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash 13552cca99ea1df7c66453eb01c81a7b6abf3a1a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-29 00:11:20,001 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-29 00:11:20,003 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-29 00:11:20,016 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-29 00:11:20,016 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-29 00:11:20,017 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-29 00:11:20,019 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-29 00:11:20,021 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-29 00:11:20,022 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-29 00:11:20,023 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-29 00:11:20,024 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-29 00:11:20,025 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-29 00:11:20,026 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-29 00:11:20,027 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-29 00:11:20,028 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-29 00:11:20,029 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-29 00:11:20,030 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-29 00:11:20,032 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-29 00:11:20,034 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-29 00:11:20,036 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-29 00:11:20,038 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-29 00:11:20,039 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-29 00:11:20,042 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-29 00:11:20,042 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-29 00:11:20,043 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-29 00:11:20,044 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-29 00:11:20,045 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-29 00:11:20,046 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-29 00:11:20,047 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-29 00:11:20,048 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-29 00:11:20,049 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-29 00:11:20,049 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-29 00:11:20,049 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-29 00:11:20,050 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-29 00:11:20,051 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-29 00:11:20,052 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-29 00:11:20,053 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-29 00:11:20,070 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-29 00:11:20,070 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-29 00:11:20,073 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-29 00:11:20,073 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-29 00:11:20,073 INFO L133 SettingsManager]: * Use SBE=true [2018-11-29 00:11:20,073 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-29 00:11:20,073 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-29 00:11:20,074 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-29 00:11:20,074 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-29 00:11:20,074 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-29 00:11:20,074 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-29 00:11:20,074 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-29 00:11:20,074 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-29 00:11:20,075 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-29 00:11:20,075 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-29 00:11:20,075 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-29 00:11:20,075 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-29 00:11:20,075 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-29 00:11:20,075 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-29 00:11:20,076 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-29 00:11:20,079 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-29 00:11:20,080 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-29 00:11:20,080 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-29 00:11:20,080 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-29 00:11:20,080 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-29 00:11:20,080 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-29 00:11:20,080 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-29 00:11:20,082 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-29 00:11:20,083 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-29 00:11:20,083 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-29 00:11:20,083 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-29 00:11:20,085 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-29 00:11:20,086 INFO L133 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13552cca99ea1df7c66453eb01c81a7b6abf3a1a [2018-11-29 00:11:20,130 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-29 00:11:20,145 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-29 00:11:20,154 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-29 00:11:20,156 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-29 00:11:20,157 INFO L276 PluginConnector]: CDTParser initialized [2018-11-29 00:11:20,158 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/array-memsafety/openbsd_cstrcat-alloca_true-valid-memsafety_true-termination.i [2018-11-29 00:11:20,225 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff3885937/3a3e7d3ff90341818e70524f125e972f/FLAGd18578f3f [2018-11-29 00:11:20,771 INFO L307 CDTParser]: Found 1 translation units. [2018-11-29 00:11:20,772 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/array-memsafety/openbsd_cstrcat-alloca_true-valid-memsafety_true-termination.i [2018-11-29 00:11:20,784 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff3885937/3a3e7d3ff90341818e70524f125e972f/FLAGd18578f3f [2018-11-29 00:11:21,064 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff3885937/3a3e7d3ff90341818e70524f125e972f [2018-11-29 00:11:21,068 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-29 00:11:21,070 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-29 00:11:21,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-29 00:11:21,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-29 00:11:21,076 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-29 00:11:21,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:11:21" (1/1) ... [2018-11-29 00:11:21,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24b802d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:11:21, skipping insertion in model container [2018-11-29 00:11:21,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:11:21" (1/1) ... [2018-11-29 00:11:21,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-29 00:11:21,148 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-29 00:11:21,429 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-29 00:11:21,441 INFO L191 MainTranslator]: Completed pre-run [2018-11-29 00:11:21,582 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-29 00:11:21,641 INFO L195 MainTranslator]: Completed translation [2018-11-29 00:11:21,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:11:21 WrapperNode [2018-11-29 00:11:21,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-29 00:11:21,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-29 00:11:21,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-29 00:11:21,643 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-29 00:11:21,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:11:21" (1/1) ... [2018-11-29 00:11:21,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:11:21" (1/1) ... [2018-11-29 00:11:21,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-29 00:11:21,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-29 00:11:21,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-29 00:11:21,709 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-29 00:11:21,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:11:21" (1/1) ... [2018-11-29 00:11:21,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:11:21" (1/1) ... [2018-11-29 00:11:21,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:11:21" (1/1) ... [2018-11-29 00:11:21,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:11:21" (1/1) ... [2018-11-29 00:11:21,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:11:21" (1/1) ... [2018-11-29 00:11:21,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:11:21" (1/1) ... [2018-11-29 00:11:21,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:11:21" (1/1) ... [2018-11-29 00:11:21,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-29 00:11:21,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-29 00:11:21,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-29 00:11:21,765 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-29 00:11:21,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:11:21" (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 [2018-11-29 00:11:21,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-29 00:11:21,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-29 00:11:21,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-29 00:11:21,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-29 00:11:21,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-29 00:11:21,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-29 00:11:22,258 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-29 00:11:22,258 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-29 00:11:22,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:11:22 BoogieIcfgContainer [2018-11-29 00:11:22,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-29 00:11:22,259 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-29 00:11:22,259 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-29 00:11:22,263 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-29 00:11:22,264 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-29 00:11:22,264 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 12:11:21" (1/3) ... [2018-11-29 00:11:22,265 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a46c507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 12:11:22, skipping insertion in model container [2018-11-29 00:11:22,265 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-29 00:11:22,265 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:11:21" (2/3) ... [2018-11-29 00:11:22,266 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a46c507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 12:11:22, skipping insertion in model container [2018-11-29 00:11:22,266 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-29 00:11:22,266 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:11:22" (3/3) ... [2018-11-29 00:11:22,268 INFO L375 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcat-alloca_true-valid-memsafety_true-termination.i [2018-11-29 00:11:22,324 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-29 00:11:22,325 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-29 00:11:22,325 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-29 00:11:22,325 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-29 00:11:22,326 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-29 00:11:22,326 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-29 00:11:22,326 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-29 00:11:22,326 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-29 00:11:22,326 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-29 00:11:22,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2018-11-29 00:11:22,364 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2018-11-29 00:11:22,364 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-29 00:11:22,364 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-29 00:11:22,371 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-29 00:11:22,371 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-29 00:11:22,371 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-29 00:11:22,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2018-11-29 00:11:22,373 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2018-11-29 00:11:22,373 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-29 00:11:22,373 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-29 00:11:22,374 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-29 00:11:22,374 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-29 00:11:22,383 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 10#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~ret12.base, main_#t~ret12.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~nondet7;havoc main_#t~nondet7;main_~length2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length3~0 := main_#t~nondet9;havoc main_#t~nondet9; 13#L552true assume !(main_~length1~0 < 1); 17#L552-2true assume !(main_~length2~0 < 2); 7#L555-1true assume !(main_~length3~0 < 1); 3#L558-1true assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.alloc(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.alloc(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length3~0 - 1), 1);cstrcat_#in~s.base, cstrcat_#in~s.offset, cstrcat_#in~append.base, cstrcat_#in~append.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~pre2.base, cstrcat_#t~pre2.offset, cstrcat_#t~mem3, cstrcat_#t~post4.base, cstrcat_#t~post4.offset, cstrcat_#t~post5.base, cstrcat_#t~post5.offset, cstrcat_#t~mem6, cstrcat_~s.base, cstrcat_~s.offset, cstrcat_~append.base, cstrcat_~append.offset, cstrcat_~save~0.base, cstrcat_~save~0.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_#in~s.base, cstrcat_#in~s.offset;cstrcat_~append.base, cstrcat_~append.offset := cstrcat_#in~append.base, cstrcat_#in~append.offset;cstrcat_~save~0.base, cstrcat_~save~0.offset := cstrcat_~s.base, cstrcat_~s.offset; 15#L544-4true [2018-11-29 00:11:22,383 INFO L796 eck$LassoCheckResult]: Loop: 15#L544-4true call cstrcat_#t~mem3 := read~int(cstrcat_~s.base, cstrcat_~s.offset, 1); 8#L544-1true assume !!(0 != cstrcat_#t~mem3);havoc cstrcat_#t~mem3; 14#L544-3true cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset := cstrcat_~s.base, 1 + cstrcat_~s.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_~s.base, 1 + cstrcat_~s.offset;havoc cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset; 15#L544-4true [2018-11-29 00:11:22,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:11:22,391 INFO L82 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2018-11-29 00:11:22,394 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:11:22,395 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:11:22,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:11:22,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:11:22,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:11:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:11:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:11:22,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:11:22,575 INFO L82 PathProgramCache]: Analyzing trace with hash 58750, now seen corresponding path program 1 times [2018-11-29 00:11:22,575 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:11:22,575 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:11:22,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:11:22,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:11:22,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:11:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:11:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:11:22,590 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:11:22,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1302197936, now seen corresponding path program 1 times [2018-11-29 00:11:22,590 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:11:22,590 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:11:22,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:11:22,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:11:22,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:11:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:11:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:11:22,961 WARN L180 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-11-29 00:11:23,975 WARN L180 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 90 [2018-11-29 00:11:24,387 WARN L180 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-11-29 00:11:24,399 INFO L216 LassoAnalysis]: Preferences: [2018-11-29 00:11:24,400 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-29 00:11:24,400 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-29 00:11:24,400 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-29 00:11:24,400 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-29 00:11:24,400 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:11:24,401 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-29 00:11:24,401 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-29 00:11:24,401 INFO L131 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcat-alloca_true-valid-memsafety_true-termination.i_Iteration1_Lasso [2018-11-29 00:11:24,401 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-29 00:11:24,402 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-29 00:11:24,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:11:24,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:11:24,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:11:24,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:11:24,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:11:24,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:11:24,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:11:24,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:11:24,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:11:24,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:11:24,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:11:24,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:11:24,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:11:24,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:11:24,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:11:25,187 WARN L180 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2018-11-29 00:11:25,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:11:25,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:11:25,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:11:25,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:11:25,996 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-29 00:11:26,001 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-29 00:11:26,004 INFO L122 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 [2018-11-29 00:11:26,005 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:26,006 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:11:26,006 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:26,007 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:26,007 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:26,009 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:11:26,009 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:11:26,011 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:26,012 INFO L122 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 [2018-11-29 00:11:26,012 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:26,013 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:11:26,013 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:26,013 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:26,013 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:26,013 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:11:26,014 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:11:26,014 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:26,015 INFO L122 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 [2018-11-29 00:11:26,015 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:26,016 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:11:26,016 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:26,016 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:26,016 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:26,017 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:11:26,017 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:11:26,017 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:26,018 INFO L122 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 [2018-11-29 00:11:26,018 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:26,019 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:11:26,019 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:26,019 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:26,019 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:26,020 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:11:26,020 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:11:26,020 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:26,021 INFO L122 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 [2018-11-29 00:11:26,021 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:26,022 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:26,022 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:26,022 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:26,025 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-29 00:11:26,025 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-29 00:11:26,028 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:26,029 INFO L122 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 [2018-11-29 00:11:26,029 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:26,030 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:11:26,030 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:26,030 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:26,030 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:26,031 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:11:26,031 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:11:26,031 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:26,032 INFO L122 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 [2018-11-29 00:11:26,032 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:26,033 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:11:26,033 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:26,033 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:26,033 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:26,034 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:11:26,034 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:11:26,034 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:26,035 INFO L122 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 [2018-11-29 00:11:26,035 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:26,035 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:11:26,036 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:26,036 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:26,036 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:26,036 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:11:26,037 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:11:26,037 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:26,038 INFO L122 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 [2018-11-29 00:11:26,038 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:26,038 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:26,039 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:26,039 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:26,041 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-29 00:11:26,041 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-29 00:11:26,046 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:26,047 INFO L122 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 [2018-11-29 00:11:26,048 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:26,048 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:11:26,048 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:26,048 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:26,048 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:26,049 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:11:26,049 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:11:26,052 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:26,052 INFO L122 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 [2018-11-29 00:11:26,054 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:26,054 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:11:26,054 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:26,054 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:26,055 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:26,055 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:11:26,055 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:11:26,057 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:26,058 INFO L122 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 [2018-11-29 00:11:26,058 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:26,058 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:11:26,059 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:26,060 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:26,060 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:26,061 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:11:26,061 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:11:26,063 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:26,063 INFO L122 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 [2018-11-29 00:11:26,063 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:26,065 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:11:26,066 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:26,066 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:26,066 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:26,066 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:11:26,067 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:11:26,068 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:26,069 INFO L122 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 [2018-11-29 00:11:26,069 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:26,071 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:11:26,071 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:26,071 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:26,072 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:26,072 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:11:26,072 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:11:26,075 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:26,075 INFO L122 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 [2018-11-29 00:11:26,077 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:26,077 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:26,077 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:26,077 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:26,086 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-29 00:11:26,086 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-29 00:11:26,092 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:26,092 INFO L122 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 [2018-11-29 00:11:26,094 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:26,095 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:26,095 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:26,095 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:26,104 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-29 00:11:26,104 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-29 00:11:26,209 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-29 00:11:26,253 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-29 00:11:26,253 INFO L444 ModelExtractionUtils]: 45 out of 49 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-29 00:11:26,256 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-29 00:11:26,260 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-29 00:11:26,260 INFO L518 LassoAnalysis]: Proved termination. [2018-11-29 00:11:26,261 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_1, ULTIMATE.start_cstrcat_~s.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_1 - 1*ULTIMATE.start_cstrcat_~s.offset Supporting invariants [] [2018-11-29 00:11:26,335 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2018-11-29 00:11:26,343 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-11-29 00:11:26,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:11:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-29 00:11:26,433 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-29 00:11:26,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-29 00:11:26,462 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-29 00:11:26,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-29 00:11:26,581 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 [2018-11-29 00:11:26,582 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 3 states. [2018-11-29 00:11:26,681 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 3 states. Result 34 states and 44 transitions. Complement of second has 8 states. [2018-11-29 00:11:26,682 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 [2018-11-29 00:11:26,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-29 00:11:26,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2018-11-29 00:11:26,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 6 letters. Loop has 3 letters. [2018-11-29 00:11:26,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-29 00:11:26,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 9 letters. Loop has 3 letters. [2018-11-29 00:11:26,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-29 00:11:26,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 6 letters. Loop has 6 letters. [2018-11-29 00:11:26,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-29 00:11:26,694 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 44 transitions. [2018-11-29 00:11:26,698 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-29 00:11:26,701 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2018-11-29 00:11:26,703 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-29 00:11:26,703 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-29 00:11:26,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-29 00:11:26,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-29 00:11:26,704 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-29 00:11:26,704 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-29 00:11:26,704 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-29 00:11:26,704 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-29 00:11:26,704 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-29 00:11:26,705 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-29 00:11:26,705 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-29 00:11:26,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 12:11:26 BoogieIcfgContainer [2018-11-29 00:11:26,711 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-29 00:11:26,711 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-29 00:11:26,711 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-29 00:11:26,712 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-29 00:11:26,713 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:11:22" (3/4) ... [2018-11-29 00:11:26,717 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-29 00:11:26,717 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-29 00:11:26,718 INFO L168 Benchmark]: Toolchain (without parser) took 5649.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 947.3 MB in the beginning and 800.6 MB in the end (delta: 146.7 MB). Peak memory consumption was 265.7 MB. Max. memory is 11.5 GB. [2018-11-29 00:11:26,720 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-29 00:11:26,720 INFO L168 Benchmark]: CACSL2BoogieTranslator took 571.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. [2018-11-29 00:11:26,722 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-29 00:11:26,723 INFO L168 Benchmark]: Boogie Preprocessor took 55.84 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-29 00:11:26,725 INFO L168 Benchmark]: RCFGBuilder took 493.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-29 00:11:26,726 INFO L168 Benchmark]: BuchiAutomizer took 4451.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 800.6 MB in the end (delta: 274.3 MB). Peak memory consumption was 274.3 MB. Max. memory is 11.5 GB. [2018-11-29 00:11:26,727 INFO L168 Benchmark]: Witness Printer took 6.29 ms. Allocated memory is still 1.1 GB. Free memory is still 800.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-29 00:11:26,734 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 571.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.84 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 493.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4451.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 800.6 MB in the end (delta: 274.3 MB). Peak memory consumption was 274.3 MB. Max. memory is 11.5 GB. * Witness Printer took 6.29 ms. Allocated memory is still 1.1 GB. Free memory is still 800.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * 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[__builtin_alloca (length2 * sizeof(char))] + -1 * s and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 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: 17 SDtfs, 19 SDslu, 8 SDs, 0 SdLazy, 7 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital186 mio100 ax100 hnf98 lsp96 ukn78 mio100 lsp50 div100 bol100 ite100 ukn100 eq188 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 7ms 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...