./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/email_spec11_product20.cil.c -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 6beeae9014687ee9e83a09b7359a9fab980b4cb4 ............................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:22:35,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:22:35,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:22:35,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:22:35,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:22:35,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:22:35,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:22:35,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:22:35,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:22:35,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:22:35,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:22:35,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:22:35,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:22:35,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:22:35,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:22:35,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:22:35,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:22:35,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:22:35,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:22:35,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:22:35,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:22:35,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:22:35,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:22:35,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:22:35,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:22:35,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:22:35,148 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:22:35,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:22:35,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:22:35,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:22:35,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:22:35,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:22:35,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:22:35,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:22:35,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:22:35,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:22:35,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:22:35,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:22:35,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:22:35,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:22:35,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:22:35,165 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:22:35,204 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:22:35,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:22:35,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:22:35,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:22:35,211 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:22:35,211 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:22:35,211 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:22:35,212 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:22:35,212 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:22:35,214 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:22:35,214 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:22:35,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:22:35,215 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:22:35,215 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:22:35,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:22:35,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:22:35,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:22:35,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:22:35,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:22:35,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:22:35,220 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:22:35,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:22:35,220 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:22:35,221 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:22:35,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:22:35,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:22:35,223 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:22:35,224 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:22:35,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:22:35,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:22:35,226 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:22:35,228 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:22:35,229 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 -> 6beeae9014687ee9e83a09b7359a9fab980b4cb4 [2019-11-28 03:22:35,575 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:22:35,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:22:35,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:22:35,592 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:22:35,593 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:22:35,593 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product20.cil.c [2019-11-28 03:22:35,670 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ea3ddaed/83883b8c2ac74dd6a810fc70e9f1978c/FLAG7ac5e926e [2019-11-28 03:22:36,356 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:22:36,357 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product20.cil.c [2019-11-28 03:22:36,390 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ea3ddaed/83883b8c2ac74dd6a810fc70e9f1978c/FLAG7ac5e926e [2019-11-28 03:22:36,562 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ea3ddaed/83883b8c2ac74dd6a810fc70e9f1978c [2019-11-28 03:22:36,566 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:22:36,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:22:36,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:22:36,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:22:36,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:22:36,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:22:36" (1/1) ... [2019-11-28 03:22:36,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34cffb93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:36, skipping insertion in model container [2019-11-28 03:22:36,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:22:36" (1/1) ... [2019-11-28 03:22:36,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:22:36,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:22:37,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:22:37,347 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:22:37,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:22:37,599 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:22:37,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:37 WrapperNode [2019-11-28 03:22:37,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:22:37,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:22:37,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:22:37,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:22:37,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:37" (1/1) ... [2019-11-28 03:22:37,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:37" (1/1) ... [2019-11-28 03:22:37,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:22:37,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:22:37,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:22:37,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:22:37,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:37" (1/1) ... [2019-11-28 03:22:37,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:37" (1/1) ... [2019-11-28 03:22:37,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:37" (1/1) ... [2019-11-28 03:22:37,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:37" (1/1) ... [2019-11-28 03:22:37,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:37" (1/1) ... [2019-11-28 03:22:37,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:37" (1/1) ... [2019-11-28 03:22:37,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:37" (1/1) ... [2019-11-28 03:22:37,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:22:37,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:22:37,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:22:37,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:22:37,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:22:38,026 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-28 03:22:38,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:22:38,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:22:38,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:22:38,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:22:40,938 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:22:40,938 INFO L297 CfgBuilder]: Removed 541 assume(true) statements. [2019-11-28 03:22:40,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:22:40 BoogieIcfgContainer [2019-11-28 03:22:40,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:22:40,942 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:22:40,942 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:22:40,946 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:22:40,947 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:22:40,948 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:22:36" (1/3) ... [2019-11-28 03:22:40,949 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18069b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:22:40, skipping insertion in model container [2019-11-28 03:22:40,950 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:22:40,950 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:37" (2/3) ... [2019-11-28 03:22:40,950 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18069b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:22:40, skipping insertion in model container [2019-11-28 03:22:40,951 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:22:40,951 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:22:40" (3/3) ... [2019-11-28 03:22:40,955 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec11_product20.cil.c [2019-11-28 03:22:41,015 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:22:41,015 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:22:41,015 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:22:41,016 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:22:41,016 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:22:41,016 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:22:41,016 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:22:41,016 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:22:41,058 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 824 states. [2019-11-28 03:22:41,140 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-11-28 03:22:41,140 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:22:41,141 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:22:41,153 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:22:41,153 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:22:41,153 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:22:41,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 824 states. [2019-11-28 03:22:41,174 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-11-28 03:22:41,174 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:22:41,175 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:22:41,177 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:22:41,179 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:22:41,192 INFO L794 eck$LassoCheckResult]: Stem: 265#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(44);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(44);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(9);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(9);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(11);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(19);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string18.base, #t~string18.offset, 1);call write~init~int(100, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(10, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string21.base, #t~string21.offset, 1);call write~init~int(100, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(10, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(20);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string69.base, #t~string69.offset, 1);call write~init~int(115, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(10, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(10);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(34);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(30);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(16);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(20);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(22);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(10);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(12);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(10);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(18);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(16);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(21);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0; 217#L-1true havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 341#L1471true havoc valid_product_#res;havoc valid_product_~retValue_acc~19;havoc valid_product_~retValue_acc~19;valid_product_~retValue_acc~19 := 1;valid_product_#res := valid_product_~retValue_acc~19; 51#L1479true main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 589#L233true assume 0 != main_~tmp~1;havoc setup_#t~nondet8, setup_#t~nondet10, setup_#t~nondet12, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 145#L1432true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 712#L1438-2true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 760#L997true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 526#L1003-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string7.base, #t~string7.offset;havoc setup_#t~nondet8;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 150#L1432-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 698#L1438-5true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 741#L997-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 537#L1003-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 133#L1432-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 703#L1438-8true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 747#L997-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 521#L1003-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 262#L220true havoc test_#t~nondet119, test_#t~nondet120, test_#t~nondet121, test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, test_#t~nondet126, test_#t~nondet127, test_#t~nondet128, test_#t~nondet129, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~21, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~21;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 543#L2897-1true [2019-11-28 03:22:41,195 INFO L796 eck$LassoCheckResult]: Loop: 543#L2897-1true assume !false; 420#L2749true assume test_~splverifierCounter~0 < 4; 355#L2750true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 55#L2756true assume !(0 == test_~op1~0); 489#L2769true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet120;havoc test_#t~nondet120; 287#L2774true assume 0 != test_~tmp___8~0;setClientAutoResponse_#in~handle, setClientAutoResponse_#in~value := ~rjh~0, 1;havoc setClientAutoResponse_~handle, setClientAutoResponse_~value;setClientAutoResponse_~handle := setClientAutoResponse_#in~handle;setClientAutoResponse_~value := setClientAutoResponse_#in~value; 158#L950true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 635#L956-2true test_~op2~0 := 1; 543#L2897-1true [2019-11-28 03:22:41,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:22:41,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-28 03:22:41,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:22:41,212 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984162727] [2019-11-28 03:22:41,213 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:22:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:22:41,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:22:41,644 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984162727] [2019-11-28 03:22:41,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:22:41,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:22:41,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543969777] [2019-11-28 03:22:41,652 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:22:41,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:22:41,653 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2019-11-28 03:22:41,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:22:41,654 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777526100] [2019-11-28 03:22:41,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:22:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:22:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:22:41,700 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:22:41,780 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:22:41,781 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:22:41,781 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:22:41,782 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:22:41,782 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:22:41,782 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:22:41,782 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:22:41,782 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:22:41,782 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product20.cil.c_Iteration1_Loop [2019-11-28 03:22:41,783 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:22:41,783 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:22:41,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:22:41,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:22:41,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:22:41,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:22:41,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:22:41,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:22:41,990 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:22:41,991 INFO L404 LassoAnalysis]: Checking for nontermination... 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 03:22:41,999 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:22:41,999 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:22:42,015 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:22:42,015 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 03:22:42,024 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 03:22:42,026 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:22:42,026 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:22:42,027 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:22:42,027 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:22:42,027 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:22:42,027 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:22:42,027 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:22:42,027 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:22:42,027 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product20.cil.c_Iteration1_Loop [2019-11-28 03:22:42,028 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:22:42,028 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:22:42,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:22:42,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:22:42,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:22:42,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:22:42,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:22:42,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:22:42,207 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:22:42,212 INFO L489 LassoAnalysis]: Using template 'affine'. 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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:22:42,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:22:42,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:22:42,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:22:42,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:22:42,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:22:42,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:22:42,228 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:22:42,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:22:42,233 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:22:42,239 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 03:22:42,240 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 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 03:22:42,249 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:22:42,250 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 03:22:42,251 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:22:42,251 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-11-28 03:22:42,260 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 03:22:42,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:22:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:22:42,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:22:42,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:22:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:22:42,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:22:42,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:22:42,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:22:42,638 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-28 03:22:42,640 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 824 states. Second operand 5 states. [2019-11-28 03:22:42,873 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 824 states.. Second operand 5 states. Result 2163 states and 3750 transitions. Complement of second has 7 states. [2019-11-28 03:22:42,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 03:22:42,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 03:22:42,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2363 transitions. [2019-11-28 03:22:42,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2363 transitions. Stem has 18 letters. Loop has 8 letters. [2019-11-28 03:22:42,891 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:22:42,891 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2363 transitions. Stem has 26 letters. Loop has 8 letters. [2019-11-28 03:22:42,892 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:22:42,892 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2363 transitions. Stem has 18 letters. Loop has 16 letters. [2019-11-28 03:22:42,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:22:42,894 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2163 states and 3750 transitions. [2019-11-28 03:22:42,922 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:22:42,926 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2163 states to 0 states and 0 transitions. [2019-11-28 03:22:42,927 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:22:42,927 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:22:42,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:22:42,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:22:42,928 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:22:42,929 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:22:42,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:22:42,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:22:42,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:22:42,935 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-11-28 03:22:42,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:22:42,938 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-28 03:22:42,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 03:22:42,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-28 03:22:42,939 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:22:42,939 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 03:22:42,939 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:22:42,940 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:22:42,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:22:42,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:22:42,940 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:22:42,940 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:22:42,940 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:22:42,941 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:22:42,941 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:22:42,941 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:22:42,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:22:42,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:22:42 BoogieIcfgContainer [2019-11-28 03:22:42,948 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:22:42,949 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:22:42,949 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:22:42,949 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:22:42,950 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:22:40" (3/4) ... [2019-11-28 03:22:42,954 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:22:42,954 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:22:42,957 INFO L168 Benchmark]: Toolchain (without parser) took 6388.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 213.4 MB). Free memory was 951.0 MB in the beginning and 903.7 MB in the end (delta: 47.3 MB). Peak memory consumption was 260.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:22:42,958 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:22:42,960 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1031.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -97.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:22:42,961 INFO L168 Benchmark]: Boogie Procedure Inliner took 190.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:22:42,961 INFO L168 Benchmark]: Boogie Preprocessor took 157.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-28 03:22:42,963 INFO L168 Benchmark]: RCFGBuilder took 2992.31 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 111.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -104.4 MB). Peak memory consumption was 266.4 MB. Max. memory is 11.5 GB. [2019-11-28 03:22:42,964 INFO L168 Benchmark]: BuchiAutomizer took 2006.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 903.7 MB in the end (delta: 215.0 MB). Peak memory consumption was 215.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:22:42,964 INFO L168 Benchmark]: Witness Printer took 5.75 ms. Allocated memory is still 1.2 GB. Free memory is still 903.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:22:42,970 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1031.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -97.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 190.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 157.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2992.31 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 111.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -104.4 MB). Peak memory consumption was 266.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2006.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 903.7 MB in the end (delta: 215.0 MB). Peak memory consumption was 215.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.75 ms. Allocated memory is still 1.2 GB. Free memory is still 903.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. 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: 1432 SDtfs, 1432 SDslu, 2760 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax100 hnf100 lsp24 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq209 hnf86 smp100 dnf120 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 37ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 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...