./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/array-memsafety/cstrchr-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/cstrchr-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 b77e20ecf2782844251cc1f0f4840606114db633 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:10:55,176 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-29 00:10:55,178 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-29 00:10:55,189 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-29 00:10:55,190 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-29 00:10:55,191 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-29 00:10:55,192 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-29 00:10:55,194 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-29 00:10:55,195 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-29 00:10:55,196 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-29 00:10:55,197 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-29 00:10:55,197 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-29 00:10:55,198 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-29 00:10:55,199 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-29 00:10:55,200 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-29 00:10:55,201 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-29 00:10:55,201 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-29 00:10:55,203 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-29 00:10:55,205 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-29 00:10:55,207 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-29 00:10:55,208 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-29 00:10:55,209 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-29 00:10:55,211 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-29 00:10:55,211 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-29 00:10:55,212 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-29 00:10:55,213 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-29 00:10:55,214 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-29 00:10:55,214 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-29 00:10:55,215 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-29 00:10:55,216 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-29 00:10:55,216 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-29 00:10:55,217 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-29 00:10:55,217 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-29 00:10:55,217 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-29 00:10:55,218 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-29 00:10:55,219 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-29 00:10:55,219 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-29 00:10:55,236 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-29 00:10:55,236 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-29 00:10:55,237 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-29 00:10:55,237 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-29 00:10:55,237 INFO L133 SettingsManager]: * Use SBE=true [2018-11-29 00:10:55,238 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-29 00:10:55,238 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-29 00:10:55,238 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-29 00:10:55,238 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-29 00:10:55,238 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-29 00:10:55,238 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-29 00:10:55,239 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-29 00:10:55,239 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-29 00:10:55,239 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-29 00:10:55,239 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-29 00:10:55,239 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-29 00:10:55,239 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-29 00:10:55,240 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-29 00:10:55,240 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-29 00:10:55,240 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-29 00:10:55,240 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-29 00:10:55,240 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-29 00:10:55,240 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-29 00:10:55,241 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-29 00:10:55,241 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-29 00:10:55,241 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-29 00:10:55,241 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-29 00:10:55,241 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-29 00:10:55,242 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-29 00:10:55,242 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-29 00:10:55,242 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-29 00:10:55,243 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-29 00:10:55,243 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 -> b77e20ecf2782844251cc1f0f4840606114db633 [2018-11-29 00:10:55,283 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-29 00:10:55,300 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-29 00:10:55,303 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-29 00:10:55,304 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-29 00:10:55,305 INFO L276 PluginConnector]: CDTParser initialized [2018-11-29 00:10:55,305 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/array-memsafety/cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-11-29 00:10:55,361 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a25fa5101/dd0b80ce3b774caba6a3a9a4de7ddcd8/FLAG1732bc559 [2018-11-29 00:10:55,897 INFO L307 CDTParser]: Found 1 translation units. [2018-11-29 00:10:55,898 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/array-memsafety/cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-11-29 00:10:55,911 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a25fa5101/dd0b80ce3b774caba6a3a9a4de7ddcd8/FLAG1732bc559 [2018-11-29 00:10:56,166 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a25fa5101/dd0b80ce3b774caba6a3a9a4de7ddcd8 [2018-11-29 00:10:56,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-29 00:10:56,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-29 00:10:56,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-29 00:10:56,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-29 00:10:56,179 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-29 00:10:56,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:10:56" (1/1) ... [2018-11-29 00:10:56,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c029a9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:56, skipping insertion in model container [2018-11-29 00:10:56,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:10:56" (1/1) ... [2018-11-29 00:10:56,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-29 00:10:56,246 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-29 00:10:56,685 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-29 00:10:56,703 INFO L191 MainTranslator]: Completed pre-run [2018-11-29 00:10:56,772 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-29 00:10:56,908 INFO L195 MainTranslator]: Completed translation [2018-11-29 00:10:56,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:56 WrapperNode [2018-11-29 00:10:56,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-29 00:10:56,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-29 00:10:56,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-29 00:10:56,910 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-29 00:10:56,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:56" (1/1) ... [2018-11-29 00:10:56,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:56" (1/1) ... [2018-11-29 00:10:56,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-29 00:10:56,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-29 00:10:56,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-29 00:10:56,977 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-29 00:10:56,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:56" (1/1) ... [2018-11-29 00:10:56,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:56" (1/1) ... [2018-11-29 00:10:56,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:56" (1/1) ... [2018-11-29 00:10:56,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:56" (1/1) ... [2018-11-29 00:10:57,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:56" (1/1) ... [2018-11-29 00:10:57,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:56" (1/1) ... [2018-11-29 00:10:57,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:56" (1/1) ... [2018-11-29 00:10:57,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-29 00:10:57,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-29 00:10:57,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-29 00:10:57,025 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-29 00:10:57,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:56" (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 00:10:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-29 00:10:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-29 00:10:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-29 00:10:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-29 00:10:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-29 00:10:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-29 00:10:57,467 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-29 00:10:57,468 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-29 00:10:57,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:10:57 BoogieIcfgContainer [2018-11-29 00:10:57,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-29 00:10:57,469 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-29 00:10:57,469 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-29 00:10:57,473 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-29 00:10:57,474 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-29 00:10:57,474 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 12:10:56" (1/3) ... [2018-11-29 00:10:57,475 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c4f21ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 12:10:57, skipping insertion in model container [2018-11-29 00:10:57,475 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-29 00:10:57,476 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:56" (2/3) ... [2018-11-29 00:10:57,476 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c4f21ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 12:10:57, skipping insertion in model container [2018-11-29 00:10:57,476 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-29 00:10:57,476 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:10:57" (3/3) ... [2018-11-29 00:10:57,478 INFO L375 chiAutomizerObserver]: Analyzing ICFG cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-11-29 00:10:57,539 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-29 00:10:57,540 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-29 00:10:57,541 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-29 00:10:57,541 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-29 00:10:57,541 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-29 00:10:57,541 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-29 00:10:57,542 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-29 00:10:57,542 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-29 00:10:57,542 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-29 00:10:57,557 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-11-29 00:10:57,581 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-29 00:10:57,581 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-29 00:10:57,581 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-29 00:10:57,589 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-29 00:10:57,589 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-29 00:10:57,589 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-29 00:10:57,589 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-11-29 00:10:57,591 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-29 00:10:57,591 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-29 00:10:57,591 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-29 00:10:57,592 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-29 00:10:57,592 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-29 00:10:57,601 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 9#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~ret11.base, main_#t~ret11.offset, main_~length~0, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8; 3#L548true assume !(main_~length~0 < 1); 6#L548-2true call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.alloc(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstrchr_#in~s.base, cstrchr_#in~s.offset, cstrchr_#in~c := main_~nondetString~0.base, main_~nondetString~0.offset, main_#t~nondet10;havoc cstrchr_#res.base, cstrchr_#res.offset;havoc cstrchr_#t~post5.base, cstrchr_#t~post5.offset, cstrchr_#t~mem2, cstrchr_#t~mem3, cstrchr_#t~short4, cstrchr_#t~mem6, cstrchr_#t~ite7.base, cstrchr_#t~ite7.offset, cstrchr_~s.base, cstrchr_~s.offset, cstrchr_~c;cstrchr_~s.base, cstrchr_~s.offset := cstrchr_#in~s.base, cstrchr_#in~s.offset;cstrchr_~c := cstrchr_#in~c; 4#L542-5true [2018-11-29 00:10:57,602 INFO L796 eck$LassoCheckResult]: Loop: 4#L542-5true call cstrchr_#t~mem2 := read~int(cstrchr_~s.base, cstrchr_~s.offset, 1);cstrchr_#t~short4 := 0 != cstrchr_#t~mem2; 12#L542-1true assume cstrchr_#t~short4;call cstrchr_#t~mem3 := read~int(cstrchr_~s.base, cstrchr_~s.offset, 1);cstrchr_#t~short4 := cstrchr_#t~mem3 != (if cstrchr_~c % 256 <= 127 then cstrchr_~c % 256 else cstrchr_~c % 256 - 256); 15#L542-3true assume !!cstrchr_#t~short4;havoc cstrchr_#t~mem3;havoc cstrchr_#t~mem2;havoc cstrchr_#t~short4;cstrchr_#t~post5.base, cstrchr_#t~post5.offset := cstrchr_~s.base, cstrchr_~s.offset;cstrchr_~s.base, cstrchr_~s.offset := cstrchr_#t~post5.base, 1 + cstrchr_#t~post5.offset;havoc cstrchr_#t~post5.base, cstrchr_#t~post5.offset; 4#L542-5true [2018-11-29 00:10:57,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:10:57,612 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2018-11-29 00:10:57,614 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:10:57,615 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:10:57,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:10:57,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:10:57,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:10:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:10:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:10:57,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:10:57,764 INFO L82 PathProgramCache]: Analyzing trace with hash 43797, now seen corresponding path program 1 times [2018-11-29 00:10:57,764 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:10:57,765 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:10:57,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:10:57,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:10:57,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:10:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:10:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:10:57,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:10:57,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815409, now seen corresponding path program 1 times [2018-11-29 00:10:57,805 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:10:57,806 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:10:57,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:10:57,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:10:57,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:10:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:10:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:10:58,253 WARN L180 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2018-11-29 00:10:58,782 WARN L180 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2018-11-29 00:10:59,007 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2018-11-29 00:10:59,406 WARN L180 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-11-29 00:10:59,425 INFO L216 LassoAnalysis]: Preferences: [2018-11-29 00:10:59,426 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-29 00:10:59,426 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-29 00:10:59,426 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-29 00:10:59,427 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-29 00:10:59,427 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:10:59,427 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-29 00:10:59,427 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-29 00:10:59,427 INFO L131 ssoRankerPreferences]: Filename of dumped script: cstrchr-alloca_true-valid-memsafety_true-termination.i_Iteration1_Lasso [2018-11-29 00:10:59,428 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-29 00:10:59,428 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-29 00:10:59,455 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 00:10:59,486 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 00:10:59,489 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 00:10:59,491 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 00:10:59,495 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 00:10:59,501 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 00:10:59,505 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 00:10:59,512 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 00:10:59,516 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 00:10:59,520 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 00:10:59,524 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 00:10:59,686 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2018-11-29 00:10:59,831 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2018-11-29 00:10:59,832 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 00:10:59,844 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 00:10:59,847 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 00:10:59,851 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 00:10:59,855 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 00:10:59,865 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 00:11:00,345 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-29 00:11:00,656 WARN L180 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2018-11-29 00:11:00,727 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-29 00:11:00,732 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-29 00:11:00,735 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 00:11:00,737 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:00,737 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:11:00,738 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:00,738 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:00,738 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:00,741 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:11:00,741 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:11:00,743 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:00,744 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 00:11:00,745 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:00,745 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:11:00,745 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:00,745 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:00,745 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:00,746 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:11:00,746 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:11:00,747 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:00,748 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 00:11:00,749 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:00,749 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:11:00,749 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:00,749 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:00,749 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:00,750 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:11:00,750 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:11:00,751 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:00,751 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 00:11:00,752 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:00,752 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:11:00,752 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:00,753 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:00,753 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:00,753 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:11:00,753 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:11:00,754 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:00,755 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 00:11:00,755 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:00,756 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:11:00,756 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:00,756 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:00,756 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:00,757 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:11:00,757 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:11:00,759 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:00,759 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 00:11:00,760 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:00,760 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:00,760 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:00,760 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:00,763 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-29 00:11:00,763 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-29 00:11:00,767 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:00,767 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 00:11:00,768 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:00,768 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:11:00,768 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:00,768 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:00,769 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:00,769 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:11:00,769 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:11:00,771 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:00,771 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 00:11:00,771 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:00,772 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:11:00,772 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:00,772 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:00,772 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:00,773 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:11:00,773 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:11:00,774 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:00,774 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 00:11:00,775 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:00,775 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:11:00,775 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:00,775 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:00,776 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:00,776 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:11:00,776 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:11:00,777 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:00,778 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 00:11:00,779 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:00,779 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:00,779 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:00,779 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:00,784 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-29 00:11:00,784 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-29 00:11:00,790 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:00,790 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 00:11:00,791 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:00,791 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-29 00:11:00,791 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:00,791 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:00,798 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-29 00:11:00,799 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-29 00:11:00,826 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:00,827 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 00:11:00,827 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:00,828 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:00,828 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:00,828 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:00,831 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-29 00:11:00,832 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-29 00:11:00,835 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:00,836 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 00:11:00,836 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:00,836 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:00,838 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:00,838 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:00,841 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-29 00:11:00,841 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-29 00:11:00,871 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:00,872 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 00:11:00,873 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:00,873 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:00,873 INFO L206 nArgumentSynthesizer]: 6 loop disjuncts [2018-11-29 00:11:00,873 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:00,936 INFO L402 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2018-11-29 00:11:00,936 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-11-29 00:11:01,163 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:01,163 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 00:11:01,164 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:01,164 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:01,164 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:01,164 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:01,167 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-29 00:11:01,167 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-29 00:11:01,169 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:11:01,170 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 00:11:01,170 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:11:01,170 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:11:01,170 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:11:01,172 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:11:01,174 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-29 00:11:01,175 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-29 00:11:01,211 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-29 00:11:01,251 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2018-11-29 00:11:01,251 INFO L444 ModelExtractionUtils]: 18 out of 25 variables were initially zero. Simplification set additionally 4 variables to zero. [2018-11-29 00:11:01,254 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-29 00:11:01,256 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-29 00:11:01,257 INFO L518 LassoAnalysis]: Proved termination. [2018-11-29 00:11:01,257 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrchr_~s.offset, v_rep(select #length ULTIMATE.start_cstrchr_~s.base)_1) = -1*ULTIMATE.start_cstrchr_~s.offset + 1*v_rep(select #length ULTIMATE.start_cstrchr_~s.base)_1 Supporting invariants [] [2018-11-29 00:11:01,365 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2018-11-29 00:11:01,388 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-11-29 00:11:01,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:11:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-29 00:11:01,710 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-29 00:11:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-29 00:11:01,744 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-29 00:11:01,813 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 00:11:01,829 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 00:11:01,830 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 3 states. [2018-11-29 00:11:01,903 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 3 states. Result 31 states and 39 transitions. Complement of second has 5 states. [2018-11-29 00:11:01,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-29 00:11:01,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-29 00:11:01,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2018-11-29 00:11:01,910 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 4 letters. Loop has 3 letters. [2018-11-29 00:11:01,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-29 00:11:01,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 7 letters. Loop has 3 letters. [2018-11-29 00:11:01,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-29 00:11:01,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 4 letters. Loop has 6 letters. [2018-11-29 00:11:01,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-29 00:11:01,918 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 39 transitions. [2018-11-29 00:11:01,921 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-29 00:11:01,924 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2018-11-29 00:11:01,926 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-29 00:11:01,926 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-29 00:11:01,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-29 00:11:01,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-29 00:11:01,927 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-29 00:11:01,927 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-29 00:11:01,927 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-29 00:11:01,928 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-29 00:11:01,928 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-29 00:11:01,928 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-29 00:11:01,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-29 00:11:01,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 12:11:01 BoogieIcfgContainer [2018-11-29 00:11:01,934 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-29 00:11:01,935 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-29 00:11:01,935 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-29 00:11:01,935 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-29 00:11:01,936 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:10:57" (3/4) ... [2018-11-29 00:11:01,939 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-29 00:11:01,939 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-29 00:11:01,940 INFO L168 Benchmark]: Toolchain (without parser) took 5769.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 943.3 MB in the beginning and 841.0 MB in the end (delta: 102.3 MB). Peak memory consumption was 240.2 MB. Max. memory is 11.5 GB. [2018-11-29 00:11:01,941 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-29 00:11:01,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -188.6 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. [2018-11-29 00:11:01,943 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.19 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-29 00:11:01,944 INFO L168 Benchmark]: Boogie Preprocessor took 47.89 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. [2018-11-29 00:11:01,944 INFO L168 Benchmark]: RCFGBuilder took 443.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-29 00:11:01,945 INFO L168 Benchmark]: BuchiAutomizer took 4465.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 841.0 MB in the end (delta: 266.2 MB). Peak memory consumption was 266.2 MB. Max. memory is 11.5 GB. [2018-11-29 00:11:01,946 INFO L168 Benchmark]: Witness Printer took 4.52 ms. Allocated memory is still 1.2 GB. Free memory is still 841.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-29 00:11:01,951 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 736.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -188.6 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.19 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 443.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4465.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 841.0 MB in the end (delta: 266.2 MB). Peak memory consumption was 266.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.52 ms. Allocated memory is still 1.2 GB. Free memory is still 841.0 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 -1 * s + unknown-#length-unknown[s] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 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: 12 SDtfs, 25 SDslu, 7 SDs, 0 SdLazy, 9 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital177 mio100 ax100 hnf98 lsp98 ukn70 mio100 lsp34 div169 bol100 ite100 ukn100 eq153 hnf65 smp100 dnf873 smp27 tf100 neg95 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 290ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 96 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...