./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/email_spec11_product03_true-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/email_spec11_product03_true-unreach-call_true-termination.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 cdb705451c6fea738760a6b9963fc72ac4c0d764 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 23:26:25,991 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:26:25,993 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:26:26,004 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:26:26,004 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:26:26,007 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:26:26,009 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:26:26,014 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:26:26,018 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:26:26,019 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:26:26,020 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:26:26,021 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:26:26,021 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:26:26,022 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:26:26,023 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:26:26,024 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:26:26,025 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:26:26,027 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:26:26,029 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:26:26,031 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:26:26,032 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:26:26,033 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:26:26,036 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:26:26,036 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:26:26,037 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:26:26,038 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:26:26,039 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:26:26,040 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:26:26,040 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:26:26,042 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:26:26,042 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:26:26,043 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:26:26,043 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:26:26,043 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:26:26,044 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:26:26,045 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:26:26,045 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:26:26,064 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:26:26,064 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:26:26,066 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:26:26,066 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:26:26,066 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:26:26,067 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:26:26,067 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:26:26,067 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:26:26,067 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:26:26,067 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:26:26,068 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:26:26,068 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:26:26,068 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:26:26,068 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:26:26,068 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:26:26,069 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:26:26,069 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:26:26,069 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:26:26,069 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:26:26,069 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:26:26,069 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:26:26,072 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:26:26,072 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:26:26,072 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:26:26,072 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:26:26,072 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:26:26,073 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:26:26,073 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:26:26,073 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:26:26,073 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:26:26,073 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:26:26,074 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:26:26,075 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cdb705451c6fea738760a6b9963fc72ac4c0d764 [2019-01-01 23:26:26,111 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:26:26,124 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:26:26,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:26:26,129 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:26:26,130 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:26:26,130 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/email_spec11_product03_true-unreach-call_true-termination.cil.c [2019-01-01 23:26:26,189 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2c706aff/ed048fe7ee4d437c99a4bade7395e865/FLAGd5f5a7438 [2019-01-01 23:26:26,757 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:26:26,757 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/email_spec11_product03_true-unreach-call_true-termination.cil.c [2019-01-01 23:26:26,787 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2c706aff/ed048fe7ee4d437c99a4bade7395e865/FLAGd5f5a7438 [2019-01-01 23:26:26,973 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2c706aff/ed048fe7ee4d437c99a4bade7395e865 [2019-01-01 23:26:26,977 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:26:26,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:26:26,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:26:26,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:26:26,987 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:26:26,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:26:26" (1/1) ... [2019-01-01 23:26:26,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47aaf546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:26:26, skipping insertion in model container [2019-01-01 23:26:26,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:26:26" (1/1) ... [2019-01-01 23:26:27,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:26:27,090 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:26:27,756 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:26:27,793 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:26:28,037 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:26:28,118 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:26:28,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:26:28 WrapperNode [2019-01-01 23:26:28,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:26:28,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:26:28,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:26:28,122 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:26:28,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:26:28" (1/1) ... [2019-01-01 23:26:28,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:26:28" (1/1) ... [2019-01-01 23:26:28,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:26:28,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:26:28,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:26:28,231 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:26:28,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:26:28" (1/1) ... [2019-01-01 23:26:28,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:26:28" (1/1) ... [2019-01-01 23:26:28,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:26:28" (1/1) ... [2019-01-01 23:26:28,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:26:28" (1/1) ... [2019-01-01 23:26:28,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:26:28" (1/1) ... [2019-01-01 23:26:28,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:26:28" (1/1) ... [2019-01-01 23:26:28,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:26:28" (1/1) ... [2019-01-01 23:26:28,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:26:28,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:26:28,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:26:28,303 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:26:28,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:26:28" (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 [2019-01-01 23:26:28,381 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-01-01 23:26:28,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:26:28,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:26:28,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:26:28,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:26:30,234 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:26:30,234 INFO L280 CfgBuilder]: Removed 111 assue(true) statements. [2019-01-01 23:26:30,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:26:30 BoogieIcfgContainer [2019-01-01 23:26:30,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:26:30,236 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:26:30,236 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:26:30,240 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:26:30,241 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:26:30,242 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:26:26" (1/3) ... [2019-01-01 23:26:30,243 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c6de313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:26:30, skipping insertion in model container [2019-01-01 23:26:30,243 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:26:30,244 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:26:28" (2/3) ... [2019-01-01 23:26:30,244 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c6de313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:26:30, skipping insertion in model container [2019-01-01 23:26:30,244 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:26:30,244 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:26:30" (3/3) ... [2019-01-01 23:26:30,246 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec11_product03_true-unreach-call_true-termination.cil.c [2019-01-01 23:26:30,318 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:26:30,318 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:26:30,318 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:26:30,319 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:26:30,319 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:26:30,319 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:26:30,319 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:26:30,319 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:26:30,319 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:26:30,341 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states. [2019-01-01 23:26:30,403 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2019-01-01 23:26:30,403 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:26:30,403 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:26:30,416 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:26:30,416 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-01-01 23:26:30,416 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:26:30,417 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states. [2019-01-01 23:26:30,434 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2019-01-01 23:26:30,434 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:26:30,440 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:26:30,441 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:26:30,441 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-01-01 23:26:30,448 INFO L794 eck$LassoCheckResult]: Stem: 71#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__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;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);~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(10);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(16);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(22);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(20);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string42.base, #t~string42.offset, 1);call write~init~int(115, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(10, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(21);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(9);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(25);~__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;call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(10);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(12);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(10);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(18); 11#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~ret14, main_~retValue_acc~0, main_~tmp~1;main_~retValue_acc~0 := main_#t~nondet13;havoc main_#t~nondet13;havoc main_~tmp~1; 75#L407true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 98#L415true main_#t~ret14 := valid_product_#res;main_~tmp~1 := main_#t~ret14;havoc main_#t~ret14; 58#L171true 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;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 24#L2465true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 115#L2471-2true 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;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 25#L2465-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 91#L2471-5true 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;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 14#L2465-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 95#L2471-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 26#L158true havoc test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, 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~2, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0, 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~2;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;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; 86#L357-1true [2019-01-01 23:26:30,449 INFO L796 eck$LassoCheckResult]: Loop: 86#L357-1true assume !false; 96#L233true assume test_~splverifierCounter~0 < 4; 70#L234true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 36#L240true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet15;havoc test_#t~nondet15; 99#L244true assume 0 != test_~tmp___9~0;test_~op1~0 := 1; 86#L357-1true [2019-01-01 23:26:30,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:26:30,460 INFO L82 PathProgramCache]: Analyzing trace with hash -580026000, now seen corresponding path program 1 times [2019-01-01 23:26:30,462 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:26:30,463 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:26:30,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:26:30,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:26:30,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:26:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:26:30,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:26:30,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:26:30,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:26:30,799 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-01-01 23:26:30,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:26:30,800 INFO L82 PathProgramCache]: Analyzing trace with hash 103192148, now seen corresponding path program 1 times [2019-01-01 23:26:30,800 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:26:30,800 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:26:30,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:26:30,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:26:30,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:26:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:26:30,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:26:31,102 WARN L181 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-01-01 23:26:31,132 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:26:31,133 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:26:31,137 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:26:31,137 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:26:31,137 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:26:31,137 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:26:31,137 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:26:31,137 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:26:31,138 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec11_product03_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2019-01-01 23:26:31,138 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:26:31,138 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:26:31,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:31,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:31,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:31,516 WARN L181 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-01 23:26:31,685 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:26:31,686 INFO L412 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) [2019-01-01 23:26:31,699 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:26:31,700 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-01-01 23:26:31,744 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:26:31,745 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:26:31,762 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 23:26:31,792 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:26:31,792 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:26:31,792 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:26:31,793 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:26:31,793 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:26:31,793 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:26:31,793 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:26:31,793 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:26:31,793 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec11_product03_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2019-01-01 23:26:31,793 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:26:31,794 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:26:31,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:31,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:31,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:31,996 WARN L181 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-01 23:26:32,126 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:26:32,131 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:26:32,133 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:26:32,135 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:26:32,135 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:26:32,136 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:26:32,136 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:26:32,136 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:26:32,138 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:26:32,139 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:26:32,144 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 23:26:32,150 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-01 23:26:32,150 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-01 23:26:32,152 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 23:26:32,153 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 23:26:32,158 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 23:26:32,159 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] [2019-01-01 23:26:32,160 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 23:26:32,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:26:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:26:32,617 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:26:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:26:32,666 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:26:32,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:26:32,847 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-01-01 23:26:32,849 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 116 states. Second operand 4 states. [2019-01-01 23:26:33,377 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 116 states.. Second operand 4 states. Result 484 states and 781 transitions. Complement of second has 7 states. [2019-01-01 23:26:33,380 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 [2019-01-01 23:26:33,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-01 23:26:33,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 461 transitions. [2019-01-01 23:26:33,387 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 461 transitions. Stem has 12 letters. Loop has 5 letters. [2019-01-01 23:26:33,388 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:26:33,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 461 transitions. Stem has 17 letters. Loop has 5 letters. [2019-01-01 23:26:33,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:26:33,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 461 transitions. Stem has 12 letters. Loop has 10 letters. [2019-01-01 23:26:33,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:26:33,392 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 484 states and 781 transitions. [2019-01-01 23:26:33,411 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2019-01-01 23:26:33,419 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 484 states to 135 states and 235 transitions. [2019-01-01 23:26:33,420 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 76 [2019-01-01 23:26:33,421 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 77 [2019-01-01 23:26:33,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 135 states and 235 transitions. [2019-01-01 23:26:33,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-01 23:26:33,424 INFO L705 BuchiCegarLoop]: Abstraction has 135 states and 235 transitions. [2019-01-01 23:26:33,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states and 235 transitions. [2019-01-01 23:26:33,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 78. [2019-01-01 23:26:33,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-01-01 23:26:33,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 134 transitions. [2019-01-01 23:26:33,467 INFO L728 BuchiCegarLoop]: Abstraction has 78 states and 134 transitions. [2019-01-01 23:26:33,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 23:26:33,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 23:26:33,472 INFO L87 Difference]: Start difference. First operand 78 states and 134 transitions. Second operand 3 states. [2019-01-01 23:26:33,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:26:33,533 INFO L93 Difference]: Finished difference Result 140 states and 240 transitions. [2019-01-01 23:26:33,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 23:26:33,535 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 140 states and 240 transitions. [2019-01-01 23:26:33,536 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2019-01-01 23:26:33,539 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 140 states to 140 states and 240 transitions. [2019-01-01 23:26:33,539 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 80 [2019-01-01 23:26:33,539 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 80 [2019-01-01 23:26:33,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 140 states and 240 transitions. [2019-01-01 23:26:33,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-01 23:26:33,541 INFO L705 BuchiCegarLoop]: Abstraction has 140 states and 240 transitions. [2019-01-01 23:26:33,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states and 240 transitions. [2019-01-01 23:26:33,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 77. [2019-01-01 23:26:33,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-01-01 23:26:33,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 130 transitions. [2019-01-01 23:26:33,553 INFO L728 BuchiCegarLoop]: Abstraction has 77 states and 130 transitions. [2019-01-01 23:26:33,553 INFO L608 BuchiCegarLoop]: Abstraction has 77 states and 130 transitions. [2019-01-01 23:26:33,554 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:26:33,554 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states and 130 transitions. [2019-01-01 23:26:33,555 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2019-01-01 23:26:33,555 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:26:33,555 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:26:33,558 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:26:33,559 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:26:33,559 INFO L794 eck$LassoCheckResult]: Stem: 972#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__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;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);~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(10);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(16);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(22);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(20);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string42.base, #t~string42.offset, 1);call write~init~int(115, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(10, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(21);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(9);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(25);~__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;call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(10);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(12);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(10);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(18); 936#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~ret14, main_~retValue_acc~0, main_~tmp~1;main_~retValue_acc~0 := main_#t~nondet13;havoc main_#t~nondet13;havoc main_~tmp~1; 911#L407 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 912#L415 main_#t~ret14 := valid_product_#res;main_~tmp~1 := main_#t~ret14;havoc main_#t~ret14; 937#L171 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;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 938#L2465 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 907#L2471-2 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;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 959#L2465-2 assume !(1 == setClientId_~handle); 909#L2468-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 910#L2471-5 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;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 939#L2465-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 930#L2471-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 954#L158 havoc test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, 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~2, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0, 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~2;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;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; 960#L357-1 assume !false; 942#L233 [2019-01-01 23:26:33,565 INFO L796 eck$LassoCheckResult]: Loop: 942#L233 assume test_~splverifierCounter~0 < 4; 965#L234 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 946#L240 assume !(0 == test_~op1~0); 896#L250 assume !(0 == test_~op2~0); 897#L264 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet17;havoc test_#t~nondet17; 950#L269 assume 0 != test_~tmp___7~0;test_~op3~0 := 1; 903#L357-1 assume !false; 942#L233 [2019-01-01 23:26:33,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:26:33,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1897365039, now seen corresponding path program 1 times [2019-01-01 23:26:33,566 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:26:33,566 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:26:33,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:26:33,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:26:33,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:26:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:26:33,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:26:33,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:26:33,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:26:33,734 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-01-01 23:26:33,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:26:33,735 INFO L82 PathProgramCache]: Analyzing trace with hash -235666265, now seen corresponding path program 1 times [2019-01-01 23:26:33,735 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:26:33,735 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:26:33,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:26:33,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:26:33,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:26:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:26:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:26:33,992 WARN L181 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2019-01-01 23:26:34,002 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:26:34,003 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:26:34,003 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:26:34,003 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:26:34,003 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:26:34,003 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:26:34,003 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:26:34,003 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:26:34,003 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec11_product03_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2019-01-01 23:26:34,004 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:26:34,007 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:26:34,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:34,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:34,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:34,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:34,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:34,349 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:26:34,350 INFO L412 LassoAnalysis]: Checking for nontermination... 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 [2019-01-01 23:26:34,353 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:26:34,353 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:26:34,363 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:26:34,363 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___7~0=-5, ULTIMATE.start_test_#t~nondet17=-5} Honda state: {ULTIMATE.start_test_~tmp___7~0=-5, ULTIMATE.start_test_#t~nondet17=-5} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 [2019-01-01 23:26:34,395 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:26:34,395 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:26:34,399 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:26:34,400 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=7} Honda state: {ULTIMATE.start_test_~op1~0=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:26:34,430 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:26:34,431 INFO L163 nArgumentSynthesizer]: Using integer mode. 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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:26:34,471 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:26:34,471 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:26:34,552 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 23:26:34,555 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:26:34,555 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:26:34,555 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:26:34,556 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:26:34,556 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:26:34,556 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:26:34,556 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:26:34,556 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:26:34,557 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec11_product03_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2019-01-01 23:26:34,557 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:26:34,557 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:26:34,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:34,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:34,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:34,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:34,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:26:34,899 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:26:34,899 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:26:34,900 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:26:34,901 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:26:34,901 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:26:34,901 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:26:34,901 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 23:26:34,901 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:26:34,904 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:26:34,905 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:26:34,911 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:26:34,912 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:26:34,914 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:26:34,915 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:26:34,915 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:26:34,915 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 23:26:34,915 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:26:34,916 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:26:34,916 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:26:34,918 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:26:34,919 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:26:34,919 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:26:34,920 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:26:34,920 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:26:34,920 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:26:34,920 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:26:34,920 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:26:34,921 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:26:34,926 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 23:26:34,937 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-01 23:26:34,937 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-01 23:26:34,938 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 23:26:34,938 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 23:26:34,938 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 23:26:34,938 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-01-01 23:26:34,938 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 23:26:35,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:26:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:26:35,266 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:26:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:26:35,292 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:26:35,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:26:35,349 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 [2019-01-01 23:26:35,349 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 77 states and 130 transitions. cyclomatic complexity: 55 Second operand 4 states. [2019-01-01 23:26:35,421 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 77 states and 130 transitions. cyclomatic complexity: 55. Second operand 4 states. Result 139 states and 240 transitions. Complement of second has 6 states. [2019-01-01 23:26:35,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-01-01 23:26:35,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-01 23:26:35,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 77 transitions. [2019-01-01 23:26:35,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 77 transitions. Stem has 14 letters. Loop has 7 letters. [2019-01-01 23:26:35,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:26:35,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 77 transitions. Stem has 21 letters. Loop has 7 letters. [2019-01-01 23:26:35,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:26:35,430 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 77 transitions. Stem has 14 letters. Loop has 14 letters. [2019-01-01 23:26:35,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:26:35,431 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 139 states and 240 transitions. [2019-01-01 23:26:35,436 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:26:35,436 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 139 states to 0 states and 0 transitions. [2019-01-01 23:26:35,436 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 23:26:35,436 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 23:26:35,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 23:26:35,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:26:35,437 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:26:35,438 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:26:35,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 23:26:35,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 23:26:35,439 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-01-01 23:26:35,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:26:35,440 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-01-01 23:26:35,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-01 23:26:35,440 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-01-01 23:26:35,440 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:26:35,440 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-01-01 23:26:35,440 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 23:26:35,441 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 23:26:35,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 23:26:35,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:26:35,441 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:26:35,441 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:26:35,441 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:26:35,441 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-01 23:26:35,441 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-01 23:26:35,441 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:26:35,442 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-01 23:26:35,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:26:35 BoogieIcfgContainer [2019-01-01 23:26:35,460 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:26:35,460 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:26:35,460 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:26:35,461 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:26:35,461 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:26:30" (3/4) ... [2019-01-01 23:26:35,466 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 23:26:35,467 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:26:35,468 INFO L168 Benchmark]: Toolchain (without parser) took 8489.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.7 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -196.5 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-01-01 23:26:35,470 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:26:35,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1140.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 46.2 MB. Max. memory is 11.5 GB. [2019-01-01 23:26:35,472 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.73 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. [2019-01-01 23:26:35,473 INFO L168 Benchmark]: Boogie Preprocessor took 70.81 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. [2019-01-01 23:26:35,473 INFO L168 Benchmark]: RCFGBuilder took 1932.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 84.1 MB). Peak memory consumption was 84.1 MB. Max. memory is 11.5 GB. [2019-01-01 23:26:35,475 INFO L168 Benchmark]: BuchiAutomizer took 5223.85 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -121.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:26:35,476 INFO L168 Benchmark]: Witness Printer took 6.47 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. [2019-01-01 23:26:35,482 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1140.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 46.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 109.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.81 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 1932.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 84.1 MB). Peak memory consumption was 84.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5223.85 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -121.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 6.47 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.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op1 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. Construction of modules took 0.2s. Büchi inclusion checks took 1.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 120 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 77 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 543 SDtfs, 472 SDslu, 621 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax100 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 12ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...