./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 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/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 0.1.24-91b1670 [2018-11-28 23:50:20,519 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:50:20,521 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:50:20,534 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:50:20,534 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:50:20,535 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:50:20,536 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:50:20,539 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:50:20,540 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:50:20,541 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:50:20,542 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:50:20,543 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:50:20,543 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:50:20,544 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:50:20,546 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:50:20,547 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:50:20,548 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:50:20,550 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:50:20,552 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:50:20,554 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:50:20,555 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:50:20,556 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:50:20,559 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:50:20,560 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:50:20,560 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:50:20,561 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:50:20,563 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:50:20,563 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:50:20,564 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:50:20,566 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:50:20,566 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:50:20,566 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:50:20,567 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:50:20,567 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:50:20,568 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:50:20,569 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:50:20,569 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:50:20,604 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:50:20,606 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:50:20,607 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:50:20,607 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:50:20,607 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:50:20,607 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:50:20,609 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:50:20,610 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:50:20,610 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:50:20,610 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:50:20,610 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:50:20,610 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:50:20,610 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:50:20,612 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:50:20,612 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:50:20,612 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:50:20,612 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:50:20,612 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:50:20,613 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:50:20,613 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:50:20,613 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:50:20,613 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:50:20,613 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:50:20,613 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:50:20,614 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:50:20,617 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:50:20,617 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:50:20,617 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:50:20,617 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:50:20,617 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:50:20,617 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:50:20,620 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:50:20,621 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 [2018-11-28 23:50:20,684 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:50:20,700 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:50:20,708 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:50:20,710 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:50:20,710 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:50:20,711 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/email_spec11_product03_true-unreach-call_true-termination.cil.c [2018-11-28 23:50:20,771 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9221c441c/23cc7de5068349daa211adbaad992030/FLAG90f091e2a [2018-11-28 23:50:21,374 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:50:21,375 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/email_spec11_product03_true-unreach-call_true-termination.cil.c [2018-11-28 23:50:21,395 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9221c441c/23cc7de5068349daa211adbaad992030/FLAG90f091e2a [2018-11-28 23:50:21,550 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9221c441c/23cc7de5068349daa211adbaad992030 [2018-11-28 23:50:21,554 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:50:21,555 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:50:21,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:50:21,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:50:21,561 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:50:21,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:50:21" (1/1) ... [2018-11-28 23:50:21,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bf30235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:21, skipping insertion in model container [2018-11-28 23:50:21,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:50:21" (1/1) ... [2018-11-28 23:50:21,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:50:21,670 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:50:22,319 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:50:22,338 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:50:22,596 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:50:22,670 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:50:22,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:22 WrapperNode [2018-11-28 23:50:22,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:50:22,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:50:22,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:50:22,673 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:50:22,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:22" (1/1) ... [2018-11-28 23:50:22,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:22" (1/1) ... [2018-11-28 23:50:22,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:50:22,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:50:22,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:50:22,800 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:50:22,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:22" (1/1) ... [2018-11-28 23:50:22,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:22" (1/1) ... [2018-11-28 23:50:22,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:22" (1/1) ... [2018-11-28 23:50:22,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:22" (1/1) ... [2018-11-28 23:50:22,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:22" (1/1) ... [2018-11-28 23:50:22,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:22" (1/1) ... [2018-11-28 23:50:22,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:22" (1/1) ... [2018-11-28 23:50:22,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:50:22,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:50:22,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:50:22,895 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:50:22,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:50:22,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:50:22,955 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-28 23:50:22,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 23:50:22,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:50:22,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:50:25,350 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:50:25,351 INFO L280 CfgBuilder]: Removed 111 assue(true) statements. [2018-11-28 23:50:25,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:50:25 BoogieIcfgContainer [2018-11-28 23:50:25,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:50:25,352 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:50:25,353 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:50:25,361 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:50:25,362 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:50:25,363 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:50:21" (1/3) ... [2018-11-28 23:50:25,364 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60027df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:50:25, skipping insertion in model container [2018-11-28 23:50:25,364 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:50:25,364 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:22" (2/3) ... [2018-11-28 23:50:25,365 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60027df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:50:25, skipping insertion in model container [2018-11-28 23:50:25,365 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:50:25,365 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:50:25" (3/3) ... [2018-11-28 23:50:25,367 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec11_product03_true-unreach-call_true-termination.cil.c [2018-11-28 23:50:25,429 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:50:25,430 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:50:25,430 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:50:25,430 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:50:25,431 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:50:25,431 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:50:25,431 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:50:25,431 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:50:25,431 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:50:25,451 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states. [2018-11-28 23:50:25,486 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2018-11-28 23:50:25,487 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:50:25,487 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:50:25,497 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:50:25,497 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-11-28 23:50:25,497 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:50:25,497 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states. [2018-11-28 23:50:25,506 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2018-11-28 23:50:25,506 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:50:25,506 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:50:25,507 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:50:25,508 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-11-28 23:50:25,514 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.alloc(44);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(44);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(9);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(9);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(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.alloc(10);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(16);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(22);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(20);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(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.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(21);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(30);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(9);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(25);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(30);call #t~string75.base, #t~string75.offset := #Ultimate.alloc(9);call #t~string76.base, #t~string76.offset := #Ultimate.alloc(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.alloc(10);call #t~string85.base, #t~string85.offset := #Ultimate.alloc(12);call #t~string88.base, #t~string88.offset := #Ultimate.alloc(10);call #t~string91.base, #t~string91.offset := #Ultimate.alloc(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 [2018-11-28 23:50:25,514 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 [2018-11-28 23:50:25,520 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:50:25,521 INFO L82 PathProgramCache]: Analyzing trace with hash -580026000, now seen corresponding path program 1 times [2018-11-28 23:50:25,523 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:50:25,524 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:50:25,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:50:25,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:50:25,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:50:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:50:25,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:50:25,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:50:25,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:50:25,841 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 23:50:25,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:50:25,842 INFO L82 PathProgramCache]: Analyzing trace with hash 103192148, now seen corresponding path program 1 times [2018-11-28 23:50:25,842 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:50:25,842 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:50:25,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:50:25,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:50:25,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:50:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:50:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:50:26,120 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-28 23:50:26,134 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:50:26,136 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:50:26,136 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:50:26,136 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:50:26,136 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:50:26,137 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:50:26,137 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:50:26,137 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:50:26,137 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec11_product03_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 23:50:26,137 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:50:26,138 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:50:26,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:26,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:26,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:26,628 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:50:26,629 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:50:26,634 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:50:26,635 INFO L163 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) [2018-11-28 23:50:26,683 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:50:26,683 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 [2018-11-28 23:50:26,709 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:50:26,736 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:50:26,736 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:50:26,737 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:50:26,737 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:50:26,737 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:50:26,737 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:50:26,737 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:50:26,737 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:50:26,738 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec11_product03_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 23:50:26,738 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:50:26,738 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:50:26,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:26,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:26,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:27,059 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:50:27,065 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:50:27,067 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:50:27,069 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:50:27,070 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:50:27,070 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:50:27,070 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:50:27,071 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:50:27,073 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:50:27,073 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:50:27,079 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:50:27,085 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:50:27,085 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 23:50:27,087 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:50:27,088 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 23:50:27,088 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:50:27,089 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] [2018-11-28 23:50:27,090 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 23:50:27,148 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:50:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:50:27,332 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:50:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:50:27,386 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:50:27,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:50:27,549 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-28 23:50:27,551 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 116 states. Second operand 4 states. [2018-11-28 23:50:27,962 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. [2018-11-28 23:50:27,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 23:50:27,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 23:50:27,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 461 transitions. [2018-11-28 23:50:27,971 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 461 transitions. Stem has 12 letters. Loop has 5 letters. [2018-11-28 23:50:27,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:50:27,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 461 transitions. Stem has 17 letters. Loop has 5 letters. [2018-11-28 23:50:27,973 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:50:27,973 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 461 transitions. Stem has 12 letters. Loop has 10 letters. [2018-11-28 23:50:27,973 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:50:27,974 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 484 states and 781 transitions. [2018-11-28 23:50:27,989 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2018-11-28 23:50:28,001 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 484 states to 135 states and 235 transitions. [2018-11-28 23:50:28,005 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 76 [2018-11-28 23:50:28,006 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 77 [2018-11-28 23:50:28,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 135 states and 235 transitions. [2018-11-28 23:50:28,009 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 23:50:28,009 INFO L705 BuchiCegarLoop]: Abstraction has 135 states and 235 transitions. [2018-11-28 23:50:28,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states and 235 transitions. [2018-11-28 23:50:28,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 78. [2018-11-28 23:50:28,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-11-28 23:50:28,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 134 transitions. [2018-11-28 23:50:28,049 INFO L728 BuchiCegarLoop]: Abstraction has 78 states and 134 transitions. [2018-11-28 23:50:28,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:50:28,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:50:28,055 INFO L87 Difference]: Start difference. First operand 78 states and 134 transitions. Second operand 3 states. [2018-11-28 23:50:28,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:50:28,129 INFO L93 Difference]: Finished difference Result 140 states and 240 transitions. [2018-11-28 23:50:28,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:50:28,132 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 140 states and 240 transitions. [2018-11-28 23:50:28,135 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2018-11-28 23:50:28,138 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 140 states to 140 states and 240 transitions. [2018-11-28 23:50:28,138 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 80 [2018-11-28 23:50:28,139 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 80 [2018-11-28 23:50:28,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 140 states and 240 transitions. [2018-11-28 23:50:28,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 23:50:28,139 INFO L705 BuchiCegarLoop]: Abstraction has 140 states and 240 transitions. [2018-11-28 23:50:28,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states and 240 transitions. [2018-11-28 23:50:28,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 77. [2018-11-28 23:50:28,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-11-28 23:50:28,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 130 transitions. [2018-11-28 23:50:28,149 INFO L728 BuchiCegarLoop]: Abstraction has 77 states and 130 transitions. [2018-11-28 23:50:28,149 INFO L608 BuchiCegarLoop]: Abstraction has 77 states and 130 transitions. [2018-11-28 23:50:28,149 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:50:28,150 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states and 130 transitions. [2018-11-28 23:50:28,151 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2018-11-28 23:50:28,151 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:50:28,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:50:28,152 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:50:28,152 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:50:28,153 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.alloc(44);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(44);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(9);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(9);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(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.alloc(10);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(16);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(22);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(20);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(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.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(21);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(30);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(9);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(25);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(30);call #t~string75.base, #t~string75.offset := #Ultimate.alloc(9);call #t~string76.base, #t~string76.offset := #Ultimate.alloc(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.alloc(10);call #t~string85.base, #t~string85.offset := #Ultimate.alloc(12);call #t~string88.base, #t~string88.offset := #Ultimate.alloc(10);call #t~string91.base, #t~string91.offset := #Ultimate.alloc(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 [2018-11-28 23:50:28,153 INFO L796 eck$LassoCheckResult]: Loop: 942#L233 assume test_~splverifierCounter~0 < 4; 965#L234 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 946#L240 assume !(0 == test_~op1~0); 896#L250 assume !(0 == test_~op2~0); 897#L264 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet17;havoc test_#t~nondet17; 950#L269 assume 0 != test_~tmp___7~0;test_~op3~0 := 1; 903#L357-1 assume !false; 942#L233 [2018-11-28 23:50:28,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:50:28,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1897365039, now seen corresponding path program 1 times [2018-11-28 23:50:28,154 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:50:28,154 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:50:28,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:50:28,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:50:28,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:50:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:50:28,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:50:28,289 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:50:28,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:50:28,290 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 23:50:28,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:50:28,290 INFO L82 PathProgramCache]: Analyzing trace with hash -235666265, now seen corresponding path program 1 times [2018-11-28 23:50:28,292 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:50:28,292 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:50:28,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:50:28,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:50:28,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:50:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:50:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:50:28,449 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-11-28 23:50:28,517 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:50:28,517 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:50:28,517 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:50:28,517 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:50:28,517 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:50:28,517 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:50:28,518 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:50:28,519 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:50:28,519 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec11_product03_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 23:50:28,519 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:50:28,519 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:50:28,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:28,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:28,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:28,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:28,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:28,716 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:50:28,716 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 [2018-11-28 23:50:28,720 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:50:28,720 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:50:28,729 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:50:28,729 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) [2018-11-28 23:50:28,769 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:50:28,770 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:50:28,792 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:50:28,792 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) [2018-11-28 23:50:28,837 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:50:28,838 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2018-11-28 23:50:28,881 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:50:28,882 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:50:28,921 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:50:28,924 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:50:28,924 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:50:28,924 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:50:28,924 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:50:28,924 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:50:28,925 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:50:28,925 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:50:28,925 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:50:28,925 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec11_product03_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 23:50:28,925 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:50:28,925 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:50:28,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:28,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:29,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:29,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:29,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:29,125 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:50:29,125 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:50:29,126 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:50:29,127 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:50:29,127 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:50:29,127 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:50:29,127 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:50:29,127 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:50:29,129 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:50:29,129 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:50:29,135 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:50:29,136 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:50:29,138 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:50:29,139 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:50:29,139 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:50:29,139 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:50:29,139 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:50:29,141 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:50:29,141 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:50:29,142 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:50:29,144 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:50:29,144 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:50:29,144 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:50:29,146 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:50:29,146 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:50:29,147 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:50:29,147 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:50:29,148 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:50:29,153 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:50:29,157 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:50:29,157 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 23:50:29,158 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:50:29,158 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 23:50:29,158 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:50:29,158 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2018-11-28 23:50:29,159 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 23:50:29,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:50:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:50:29,391 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:50:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:50:29,434 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:50:29,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:50:29,706 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 [2018-11-28 23:50:29,706 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 77 states and 130 transitions. cyclomatic complexity: 55 Second operand 4 states. [2018-11-28 23:50:29,761 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. [2018-11-28 23:50:29,766 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 [2018-11-28 23:50:29,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 23:50:29,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 77 transitions. [2018-11-28 23:50:29,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 77 transitions. Stem has 14 letters. Loop has 7 letters. [2018-11-28 23:50:29,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:50:29,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 77 transitions. Stem has 21 letters. Loop has 7 letters. [2018-11-28 23:50:29,768 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:50:29,768 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 77 transitions. Stem has 14 letters. Loop has 14 letters. [2018-11-28 23:50:29,768 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:50:29,768 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 139 states and 240 transitions. [2018-11-28 23:50:29,774 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:50:29,778 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 139 states to 0 states and 0 transitions. [2018-11-28 23:50:29,778 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:50:29,778 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:50:29,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:50:29,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:50:29,778 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:50:29,779 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:50:29,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:50:29,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:50:29,779 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2018-11-28 23:50:29,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:50:29,780 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-28 23:50:29,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 23:50:29,780 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-28 23:50:29,780 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:50:29,780 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 23:50:29,780 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:50:29,780 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:50:29,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:50:29,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:50:29,787 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:50:29,787 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:50:29,787 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:50:29,787 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 23:50:29,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 23:50:29,790 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:50:29,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 23:50:29,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:50:29 BoogieIcfgContainer [2018-11-28 23:50:29,799 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:50:29,800 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:50:29,801 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:50:29,801 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:50:29,802 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:50:25" (3/4) ... [2018-11-28 23:50:29,808 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:50:29,809 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:50:29,810 INFO L168 Benchmark]: Toolchain (without parser) took 8255.23 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 225.4 MB). Free memory was 943.3 MB in the beginning and 1.2 GB in the end (delta: -224.8 MB). Peak memory consumption was 606.2 kB. Max. memory is 11.5 GB. [2018-11-28 23:50:29,812 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:50:29,814 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1114.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. [2018-11-28 23:50:29,816 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:50:29,816 INFO L168 Benchmark]: Boogie Preprocessor took 91.04 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:50:29,818 INFO L168 Benchmark]: RCFGBuilder took 2463.28 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: 78.6 MB). Peak memory consumption was 78.6 MB. Max. memory is 11.5 GB. [2018-11-28 23:50:29,821 INFO L168 Benchmark]: BuchiAutomizer took 4447.18 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 81.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -144.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:50:29,822 INFO L168 Benchmark]: Witness Printer took 8.51 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:50:29,828 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1114.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 124.23 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 91.04 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2463.28 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: 78.6 MB). Peak memory consumption was 78.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4447.18 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 81.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -144.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 8.51 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 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 4.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.1s. Büchi inclusion checks took 1.3s. 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, 0.1s 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: 9ms 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...