./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-2.1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-2.1-1.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 6cbc2f8335eda1137ed277d7eb74d7775ef6f777 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 21:27:08,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 21:27:08,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 21:27:08,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 21:27:08,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 21:27:08,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 21:27:08,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 21:27:08,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 21:27:08,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 21:27:08,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 21:27:08,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 21:27:08,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 21:27:08,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 21:27:08,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 21:27:08,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 21:27:08,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 21:27:08,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 21:27:08,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 21:27:08,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 21:27:08,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 21:27:08,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 21:27:08,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 21:27:08,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 21:27:08,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 21:27:08,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 21:27:08,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 21:27:08,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 21:27:08,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 21:27:08,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 21:27:08,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 21:27:08,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 21:27:08,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 21:27:08,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 21:27:08,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 21:27:08,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 21:27:08,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 21:27:08,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 21:27:08,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 21:27:08,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 21:27:08,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 21:27:08,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 21:27:08,192 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 21:27:08,227 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 21:27:08,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 21:27:08,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 21:27:08,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 21:27:08,234 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 21:27:08,234 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 21:27:08,234 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 21:27:08,235 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 21:27:08,235 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 21:27:08,235 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 21:27:08,235 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 21:27:08,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 21:27:08,237 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 21:27:08,237 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 21:27:08,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 21:27:08,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 21:27:08,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 21:27:08,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 21:27:08,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 21:27:08,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 21:27:08,238 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 21:27:08,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 21:27:08,242 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 21:27:08,242 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 21:27:08,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 21:27:08,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 21:27:08,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 21:27:08,243 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 21:27:08,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 21:27:08,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 21:27:08,243 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 21:27:08,244 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 21:27:08,247 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 21:27:08,247 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cbc2f8335eda1137ed277d7eb74d7775ef6f777 [2019-11-28 21:27:08,573 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 21:27:08,586 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 21:27:08,591 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 21:27:08,592 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 21:27:08,592 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 21:27:08,593 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-2.1-1.i [2019-11-28 21:27:08,648 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8aaa1b3bb/7aba11a99ea44516a8989e6f6adb7080/FLAGefa9e20cb [2019-11-28 21:27:09,073 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 21:27:09,075 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-2.1-1.i [2019-11-28 21:27:09,082 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8aaa1b3bb/7aba11a99ea44516a8989e6f6adb7080/FLAGefa9e20cb [2019-11-28 21:27:09,426 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8aaa1b3bb/7aba11a99ea44516a8989e6f6adb7080 [2019-11-28 21:27:09,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 21:27:09,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 21:27:09,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 21:27:09,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 21:27:09,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 21:27:09,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:27:09" (1/1) ... [2019-11-28 21:27:09,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59d9d2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:27:09, skipping insertion in model container [2019-11-28 21:27:09,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:27:09" (1/1) ... [2019-11-28 21:27:09,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 21:27:09,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 21:27:09,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 21:27:09,660 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 21:27:09,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 21:27:09,691 INFO L208 MainTranslator]: Completed translation [2019-11-28 21:27:09,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:27:09 WrapperNode [2019-11-28 21:27:09,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 21:27:09,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 21:27:09,693 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 21:27:09,693 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 21:27:09,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:27:09" (1/1) ... [2019-11-28 21:27:09,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:27:09" (1/1) ... [2019-11-28 21:27:09,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 21:27:09,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 21:27:09,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 21:27:09,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 21:27:09,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:27:09" (1/1) ... [2019-11-28 21:27:09,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:27:09" (1/1) ... [2019-11-28 21:27:09,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:27:09" (1/1) ... [2019-11-28 21:27:09,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:27:09" (1/1) ... [2019-11-28 21:27:09,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:27:09" (1/1) ... [2019-11-28 21:27:09,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:27:09" (1/1) ... [2019-11-28 21:27:09,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:27:09" (1/1) ... [2019-11-28 21:27:09,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 21:27:09,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 21:27:09,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 21:27:09,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 21:27:09,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:27:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:27:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-28 21:27:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-28 21:27:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 21:27:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-28 21:27:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 21:27:09,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 21:27:09,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 21:27:09,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-28 21:27:09,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 21:27:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 21:27:09,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 21:27:09,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 21:27:10,110 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 21:27:10,167 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 21:27:10,167 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-28 21:27:10,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:27:10 BoogieIcfgContainer [2019-11-28 21:27:10,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 21:27:10,174 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 21:27:10,174 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 21:27:10,185 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 21:27:10,189 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:27:10,189 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 09:27:09" (1/3) ... [2019-11-28 21:27:10,191 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27ed7f9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 09:27:10, skipping insertion in model container [2019-11-28 21:27:10,194 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:27:10,194 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:27:09" (2/3) ... [2019-11-28 21:27:10,195 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27ed7f9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 09:27:10, skipping insertion in model container [2019-11-28 21:27:10,195 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:27:10,195 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:27:10" (3/3) ... [2019-11-28 21:27:10,201 INFO L371 chiAutomizerObserver]: Analyzing ICFG test-bitfields-2.1-1.i [2019-11-28 21:27:10,277 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 21:27:10,277 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 21:27:10,277 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 21:27:10,277 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 21:27:10,278 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 21:27:10,278 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 21:27:10,278 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 21:27:10,278 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 21:27:10,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2019-11-28 21:27:10,315 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2019-11-28 21:27:10,315 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:27:10,316 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:27:10,321 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-28 21:27:10,321 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-28 21:27:10,321 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 21:27:10,322 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2019-11-28 21:27:10,324 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2019-11-28 21:27:10,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:27:10,324 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:27:10,325 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-28 21:27:10,325 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-28 21:27:10,331 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#d~0.base, ~#d~0.offset := #Ultimate.allocOnStack(5);call write~init~int(0, ~#d~0.base, ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 4 + ~#d~0.offset, 1); 11#L-1true havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset, main_#t~mem2, main_#t~mem3, main_#t~mem4, main_#t~mem5, main_~p~0.base, main_~p~0.offset;havoc main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(3);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;call write~int(1, ~#d~0.base, ~#d~0.offset, 1);call write~int(2, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~int(3, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~int(4, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~int(5, ~#d~0.base, 4 + ~#d~0.offset, 1); 12#L31true call main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset := #Ultimate.C_memcpy(main_~p~0.base, main_~p~0.offset, ~#d~0.base, ~#d~0.offset, 3);< 17##Ultimate.C_memcpyENTRYtrue assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 3#$Ultimate##0true #t~loopctr7 := 0; 9#L-1-1true [2019-11-28 21:27:10,332 INFO L796 eck$LassoCheckResult]: Loop: 9#L-1-1true assume #t~loopctr7 < size;call #t~mem8 := read~unchecked~int(src.base, src.offset + #t~loopctr7, 1);call write~unchecked~int(#t~mem8, dest.base, dest.offset + #t~loopctr7, 1);#t~loopctr7 := 1 + #t~loopctr7; 9#L-1-1true [2019-11-28 21:27:10,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:27:10,337 INFO L82 PathProgramCache]: Analyzing trace with hash 28738897, now seen corresponding path program 1 times [2019-11-28 21:27:10,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:27:10,344 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243930685] [2019-11-28 21:27:10,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:27:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:27:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:27:10,553 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:27:10,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:27:10,556 INFO L82 PathProgramCache]: Analyzing trace with hash 72, now seen corresponding path program 1 times [2019-11-28 21:27:10,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:27:10,558 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078773955] [2019-11-28 21:27:10,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:27:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:27:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:27:10,594 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:27:10,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:27:10,599 INFO L82 PathProgramCache]: Analyzing trace with hash 890905848, now seen corresponding path program 1 times [2019-11-28 21:27:10,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:27:10,600 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456044408] [2019-11-28 21:27:10,600 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:27:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:27:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:27:10,710 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:27:11,307 WARN L192 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 82 [2019-11-28 21:27:11,485 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-11-28 21:27:11,901 WARN L192 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2019-11-28 21:27:12,078 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-11-28 21:27:12,094 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 21:27:12,095 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 21:27:12,096 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 21:27:12,096 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 21:27:12,096 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 21:27:12,096 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:27:12,097 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 21:27:12,097 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 21:27:12,097 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-2.1-1.i_Iteration1_Lasso [2019-11-28 21:27:12,098 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 21:27:12,098 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 21:27:12,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:27:12,460 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-11-28 21:27:12,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:27:12,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:27:12,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:27:12,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:27:12,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:27:12,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:27:12,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:27:12,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:27:12,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:27:12,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:27:12,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:27:12,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:27:12,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:27:12,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:27:12,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:27:12,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:27:12,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:27:12,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:27:12,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:27:12,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:27:13,083 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 21:27:13,089 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:27:13,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:27:13,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:27:13,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:27:13,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:27:13,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:27:13,117 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:27:13,118 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 21:27:13,124 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:27:13,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:27:13,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:27:13,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:27:13,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:27:13,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:27:13,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:27:13,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 21:27:13,146 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 21:27:13,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:27:13,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:27:13,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:27:13,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:27:13,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:27:13,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:27:13,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 21:27:13,199 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:27:13,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:27:13,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:27:13,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:27:13,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:27:13,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:27:13,225 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:27:13,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 21:27:13,231 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 21:27:13,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:27:13,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:27:13,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:27:13,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:27:13,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:27:13,253 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:27:13,253 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:27:13,262 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 21:27:13,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:27:13,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:27:13,279 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-28 21:27:13,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:27:13,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:27:13,288 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-28 21:27:13,289 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:27:13,301 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 21:27:13,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:27:13,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:27:13,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:27:13,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:27:13,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:27:13,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:27:13,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:27:13,329 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 21:27:13,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:27:13,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:27:13,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:27:13,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:27:13,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:27:13,355 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:27:13,355 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 21:27:13,363 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 21:27:13,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:27:13,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:27:13,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:27:13,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:27:13,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:27:13,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:27:13,387 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:27:13,393 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 21:27:13,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:27:13,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:27:13,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:27:13,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:27:13,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:27:13,416 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:27:13,416 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 21:27:13,421 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 21:27:13,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:27:13,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:27:13,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:27:13,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:27:13,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:27:13,449 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 21:27:13,449 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:27:13,461 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 21:27:13,578 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-28 21:27:13,578 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 21:27:13,646 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:27:13,650 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 21:27:13,650 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 21:27:13,651 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_#t~loopctr7, #Ultimate.C_memcpy_size) = -1*#Ultimate.C_memcpy_#t~loopctr7 + 1*#Ultimate.C_memcpy_size Supporting invariants [] [2019-11-28 21:27:13,699 INFO L297 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2019-11-28 21:27:13,709 WARN L1295 BoogieBacktranslator]: unknown boogie variable size [2019-11-28 21:27:13,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:27:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 21:27:13,762 INFO L264 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 21:27:13,764 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 21:27:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 21:27:13,786 WARN L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 21:27:13,787 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 21:27:13,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 21:27:13,810 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-28 21:27:13,812 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states. Second operand 2 states. [2019-11-28 21:27:13,881 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states.. Second operand 2 states. Result 26 states and 35 transitions. Complement of second has 6 states. [2019-11-28 21:27:13,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 21:27:13,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-28 21:27:13,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2019-11-28 21:27:13,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 1 letters. [2019-11-28 21:27:13,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 21:27:13,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 1 letters. [2019-11-28 21:27:13,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 21:27:13,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-28 21:27:13,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 21:27:13,892 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 35 transitions. [2019-11-28 21:27:13,894 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-28 21:27:13,899 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 9 states and 11 transitions. [2019-11-28 21:27:13,901 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2019-11-28 21:27:13,901 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-11-28 21:27:13,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2019-11-28 21:27:13,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 21:27:13,902 INFO L688 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2019-11-28 21:27:13,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2019-11-28 21:27:13,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2019-11-28 21:27:13,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-28 21:27:13,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2019-11-28 21:27:13,933 INFO L711 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-11-28 21:27:13,933 INFO L591 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-11-28 21:27:13,933 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 21:27:13,933 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2019-11-28 21:27:13,934 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-28 21:27:13,934 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:27:13,934 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:27:13,935 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 21:27:13,935 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-28 21:27:13,935 INFO L794 eck$LassoCheckResult]: Stem: 156#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#d~0.base, ~#d~0.offset := #Ultimate.allocOnStack(5);call write~init~int(0, ~#d~0.base, ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 4 + ~#d~0.offset, 1); 153#L-1 havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset, main_#t~mem2, main_#t~mem3, main_#t~mem4, main_#t~mem5, main_~p~0.base, main_~p~0.offset;havoc main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(3);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;call write~int(1, ~#d~0.base, ~#d~0.offset, 1);call write~int(2, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~int(3, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~int(4, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~int(5, ~#d~0.base, 4 + ~#d~0.offset, 1); 154#L31 call main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset := #Ultimate.C_memcpy(main_~p~0.base, main_~p~0.offset, ~#d~0.base, ~#d~0.offset, 3);< 155##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 157#$Ultimate##0 #t~loopctr7 := 0; 158#L-1-1 assume !(#t~loopctr7 < size);#t~loopctr9 := 0; 159#L-1-3 [2019-11-28 21:27:13,935 INFO L796 eck$LassoCheckResult]: Loop: 159#L-1-3 assume #t~loopctr9 < size;#t~loopctr9 := 4 + #t~loopctr9; 159#L-1-3 [2019-11-28 21:27:13,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:27:13,936 INFO L82 PathProgramCache]: Analyzing trace with hash 890905850, now seen corresponding path program 1 times [2019-11-28 21:27:13,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:27:13,937 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425747471] [2019-11-28 21:27:13,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:27:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 21:27:14,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 21:27:14,011 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425747471] [2019-11-28 21:27:14,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 21:27:14,012 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 21:27:14,012 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979959709] [2019-11-28 21:27:14,015 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 21:27:14,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:27:14,016 INFO L82 PathProgramCache]: Analyzing trace with hash 78, now seen corresponding path program 1 times [2019-11-28 21:27:14,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:27:14,017 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698596470] [2019-11-28 21:27:14,017 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:27:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:27:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:27:14,023 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:27:14,041 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 21:27:14,041 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 21:27:14,041 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 21:27:14,041 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 21:27:14,042 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 21:27:14,042 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:27:14,042 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 21:27:14,042 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 21:27:14,042 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-2.1-1.i_Iteration2_Loop [2019-11-28 21:27:14,042 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 21:27:14,042 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 21:27:14,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:27:14,064 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 21:27:14,065 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 21:27:14,073 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 21:27:14,074 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 21:27:14,089 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 21:27:14,090 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:27:14,234 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 21:27:14,236 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 21:27:14,237 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 21:27:14,237 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 21:27:14,237 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 21:27:14,237 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 21:27:14,237 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:27:14,237 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 21:27:14,237 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 21:27:14,238 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-2.1-1.i_Iteration2_Loop [2019-11-28 21:27:14,238 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 21:27:14,238 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 21:27:14,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 21:27:14,264 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 21:27:14,264 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:27:14,283 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 21:27:14,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 21:27:14,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 21:27:14,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 21:27:14,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 21:27:14,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 21:27:14,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 21:27:14,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 21:27:14,290 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 21:27:14,298 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-28 21:27:14,299 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 21:27:14,310 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 21:27:14,310 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 21:27:14,310 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 21:27:14,310 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_size, #Ultimate.C_memcpy_#t~loopctr9) = 1*#Ultimate.C_memcpy_size - 1*#Ultimate.C_memcpy_#t~loopctr9 Supporting invariants [] [2019-11-28 21:27:14,314 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 21:27:14,319 WARN L1295 BoogieBacktranslator]: unknown boogie variable size [2019-11-28 21:27:14,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:27:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 21:27:14,357 INFO L264 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 21:27:14,359 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 21:27:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 21:27:14,365 WARN L262 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 21:27:14,366 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 21:27:14,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 21:27:14,366 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-28 21:27:14,367 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4 Second operand 2 states. [2019-11-28 21:27:14,373 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 9 states and 11 transitions. Complement of second has 3 states. [2019-11-28 21:27:14,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2019-11-28 21:27:14,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-28 21:27:14,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 8 transitions. [2019-11-28 21:27:14,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 1 letters. [2019-11-28 21:27:14,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 21:27:14,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 7 letters. Loop has 1 letters. [2019-11-28 21:27:14,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 21:27:14,376 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-28 21:27:14,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 21:27:14,376 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 11 transitions. [2019-11-28 21:27:14,377 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 21:27:14,377 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2019-11-28 21:27:14,377 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 21:27:14,377 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 21:27:14,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 21:27:14,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 21:27:14,378 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 21:27:14,379 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 21:27:14,380 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 21:27:14,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 21:27:14,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 21:27:14,384 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 4 states. [2019-11-28 21:27:14,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 21:27:14,387 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-28 21:27:14,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 21:27:14,388 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-28 21:27:14,388 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 21:27:14,388 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 21:27:14,389 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 21:27:14,389 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 21:27:14,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 21:27:14,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 21:27:14,389 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 21:27:14,390 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 21:27:14,390 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 21:27:14,390 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 21:27:14,390 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 21:27:14,390 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 21:27:14,390 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 21:27:14,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 09:27:14 BoogieIcfgContainer [2019-11-28 21:27:14,397 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 21:27:14,399 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 21:27:14,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 21:27:14,399 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 21:27:14,400 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:27:10" (3/4) ... [2019-11-28 21:27:14,405 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 21:27:14,405 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 21:27:14,408 INFO L168 Benchmark]: Toolchain (without parser) took 4975.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.2 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -109.0 MB). Peak memory consumption was 101.3 MB. Max. memory is 11.5 GB. [2019-11-28 21:27:14,409 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 21:27:14,411 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.42 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 940.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 21:27:14,416 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 940.2 MB in the beginning and 1.1 GB in the end (delta: -195.8 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-28 21:27:14,417 INFO L168 Benchmark]: Boogie Preprocessor took 35.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 21:27:14,417 INFO L168 Benchmark]: RCFGBuilder took 345.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-11-28 21:27:14,418 INFO L168 Benchmark]: BuchiAutomizer took 4223.74 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.3 MB). Peak memory consumption was 116.1 MB. Max. memory is 11.5 GB. [2019-11-28 21:27:14,418 INFO L168 Benchmark]: Witness Printer took 6.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 21:27:14,422 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 258.42 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 940.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 98.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 940.2 MB in the beginning and 1.1 GB in the end (delta: -195.8 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 345.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4223.74 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.3 MB). Peak memory consumption was 116.1 MB. Max. memory is 11.5 GB. * Witness Printer took 6.69 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable size - GenericResult: Unfinished Backtranslation unknown boogie variable size * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * aux-#t~loopctr7-aux + unknown-size-unknown and consists of 3 locations. One deterministic module has affine ranking function unknown-size-unknown + -1 * aux-#t~loopctr9-aux and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 8 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 14 SDslu, 1 SDs, 0 SdLazy, 11 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital71 mio100 ax100 hnf100 lsp98 ukn86 mio100 lsp76 div100 bol100 ite100 ukn100 eq175 hnf88 smp100 dnf100 smp100 tf108 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 35ms VariablesStem: 4 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...