./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product31_false-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_86747995-f4ea-46e1-b1d8-6ef10ce5d0af/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_86747995-f4ea-46e1-b1d8-6ef10ce5d0af/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_86747995-f4ea-46e1-b1d8-6ef10ce5d0af/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_86747995-f4ea-46e1-b1d8-6ef10ce5d0af/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product31_false-unreach-call_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_86747995-f4ea-46e1-b1d8-6ef10ce5d0af/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_86747995-f4ea-46e1-b1d8-6ef10ce5d0af/bin-2019/uautomizer --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 e1eae6ad1342b577ea984e6a37480cc6b6c7e7ce .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:24:17,762 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:24:17,764 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:24:17,771 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:24:17,771 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:24:17,772 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:24:17,773 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:24:17,774 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:24:17,775 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:24:17,775 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:24:17,776 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:24:17,776 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:24:17,777 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:24:17,777 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:24:17,778 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:24:17,779 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:24:17,779 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:24:17,781 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:24:17,782 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:24:17,783 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:24:17,784 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:24:17,785 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:24:17,786 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:24:17,786 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:24:17,787 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:24:17,787 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:24:17,788 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:24:17,789 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:24:17,789 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:24:17,790 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:24:17,790 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:24:17,791 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:24:17,791 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:24:17,791 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:24:17,791 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:24:17,792 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:24:17,792 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_86747995-f4ea-46e1-b1d8-6ef10ce5d0af/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 11:24:17,803 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:24:17,803 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:24:17,804 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:24:17,804 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:24:17,804 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:24:17,804 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 11:24:17,804 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 11:24:17,805 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 11:24:17,805 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 11:24:17,805 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 11:24:17,805 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 11:24:17,805 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:24:17,805 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:24:17,805 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:24:17,805 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:24:17,806 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:24:17,806 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:24:17,806 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 11:24:17,806 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 11:24:17,806 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 11:24:17,806 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:24:17,806 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:24:17,807 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 11:24:17,807 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:24:17,807 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 11:24:17,807 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:24:17,807 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:24:17,807 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 11:24:17,807 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:24:17,807 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:24:17,807 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 11:24:17,808 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 11:24:17,808 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_86747995-f4ea-46e1-b1d8-6ef10ce5d0af/bin-2019/uautomizer 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 -> e1eae6ad1342b577ea984e6a37480cc6b6c7e7ce [2018-11-28 11:24:17,831 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:24:17,840 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:24:17,843 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:24:17,844 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:24:17,844 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:24:17,845 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_86747995-f4ea-46e1-b1d8-6ef10ce5d0af/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/email_spec9_product31_false-unreach-call_true-termination.cil.c [2018-11-28 11:24:17,884 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_86747995-f4ea-46e1-b1d8-6ef10ce5d0af/bin-2019/uautomizer/data/2257fb96d/d0e2d4c747e34eb69ee5a546a240f6c4/FLAGf9eb30006 [2018-11-28 11:24:18,341 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:24:18,342 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_86747995-f4ea-46e1-b1d8-6ef10ce5d0af/sv-benchmarks/c/product-lines/email_spec9_product31_false-unreach-call_true-termination.cil.c [2018-11-28 11:24:18,354 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_86747995-f4ea-46e1-b1d8-6ef10ce5d0af/bin-2019/uautomizer/data/2257fb96d/d0e2d4c747e34eb69ee5a546a240f6c4/FLAGf9eb30006 [2018-11-28 11:24:18,862 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_86747995-f4ea-46e1-b1d8-6ef10ce5d0af/bin-2019/uautomizer/data/2257fb96d/d0e2d4c747e34eb69ee5a546a240f6c4 [2018-11-28 11:24:18,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:24:18,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:24:18,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:24:18,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:24:18,869 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:24:18,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:24:18" (1/1) ... [2018-11-28 11:24:18,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f17983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:18, skipping insertion in model container [2018-11-28 11:24:18,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:24:18" (1/1) ... [2018-11-28 11:24:18,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:24:18,922 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:24:19,330 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:24:19,343 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:24:19,420 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:24:19,484 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:24:19,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:19 WrapperNode [2018-11-28 11:24:19,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:24:19,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:24:19,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:24:19,485 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:24:19,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:19" (1/1) ... [2018-11-28 11:24:19,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:19" (1/1) ... [2018-11-28 11:24:19,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:24:19,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:24:19,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:24:19,572 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:24:19,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:19" (1/1) ... [2018-11-28 11:24:19,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:19" (1/1) ... [2018-11-28 11:24:19,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:19" (1/1) ... [2018-11-28 11:24:19,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:19" (1/1) ... [2018-11-28 11:24:19,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:19" (1/1) ... [2018-11-28 11:24:19,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:19" (1/1) ... [2018-11-28 11:24:19,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:19" (1/1) ... [2018-11-28 11:24:19,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:24:19,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:24:19,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:24:19,637 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:24:19,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86747995-f4ea-46e1-b1d8-6ef10ce5d0af/bin-2019/uautomizer/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 11:24:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:24:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-28 11:24:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:24:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:24:19,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:24:21,217 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:24:21,217 INFO L280 CfgBuilder]: Removed 379 assue(true) statements. [2018-11-28 11:24:21,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:24:21 BoogieIcfgContainer [2018-11-28 11:24:21,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:24:21,218 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 11:24:21,218 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 11:24:21,221 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 11:24:21,225 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:24:21,225 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:24:18" (1/3) ... [2018-11-28 11:24:21,226 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c8efa69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:24:21, skipping insertion in model container [2018-11-28 11:24:21,226 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:24:21,227 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:19" (2/3) ... [2018-11-28 11:24:21,227 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c8efa69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:24:21, skipping insertion in model container [2018-11-28 11:24:21,227 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:24:21,227 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:24:21" (3/3) ... [2018-11-28 11:24:21,228 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec9_product31_false-unreach-call_true-termination.cil.c [2018-11-28 11:24:21,264 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:24:21,265 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 11:24:21,265 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 11:24:21,265 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 11:24:21,265 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:24:21,265 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:24:21,265 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 11:24:21,265 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:24:21,266 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 11:24:21,285 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 565 states. [2018-11-28 11:24:21,323 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2018-11-28 11:24:21,323 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:24:21,323 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:24:21,331 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:24:21,331 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 11:24:21,331 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 11:24:21,331 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 565 states. [2018-11-28 11:24:21,341 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2018-11-28 11:24:21,341 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:24:21,341 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:24:21,342 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:24:21,342 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 11:24:21,348 INFO L794 eck$LassoCheckResult]: Stem: 381#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string0.base, #t~string0.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string0.base, #t~string0.offset, 1);call write~init~int(115, #t~string0.base, 1 + #t~string0.offset, 1);call write~init~int(10, #t~string0.base, 2 + #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 3 + #t~string0.offset, 1);~__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;~__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;~head~0.base, ~head~0.offset := 0, 0;call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string51.base, #t~string51.offset := #Ultimate.alloc(10);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(16);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(20);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(21);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string77.base, #t~string77.offset := #Ultimate.alloc(44);call #t~string82.base, #t~string82.offset := #Ultimate.alloc(44);call #t~string84.base, #t~string84.offset := #Ultimate.alloc(9);call #t~string86.base, #t~string86.offset := #Ultimate.alloc(9);call #t~string88.base, #t~string88.offset := #Ultimate.alloc(11);call #t~string92.base, #t~string92.offset := #Ultimate.alloc(19);call #t~string95.base, #t~string95.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string95.base, #t~string95.offset, 1);call write~init~int(100, #t~string95.base, 1 + #t~string95.offset, 1);call write~init~int(10, #t~string95.base, 2 + #t~string95.offset, 1);call write~init~int(0, #t~string95.base, 3 + #t~string95.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string98.base, #t~string98.offset, 1);call write~init~int(100, #t~string98.base, 1 + #t~string98.offset, 1);call write~init~int(10, #t~string98.base, 2 + #t~string98.offset, 1);call write~init~int(0, #t~string98.base, 3 + #t~string98.offset, 1);~in_encrypted~0 := 0;call #t~string105.base, #t~string105.offset := #Ultimate.alloc(17);call #t~string108.base, #t~string108.offset := #Ultimate.alloc(17);call #t~string110.base, #t~string110.offset := #Ultimate.alloc(13);call #t~string112.base, #t~string112.offset := #Ultimate.alloc(17);call #t~string116.base, #t~string116.offset := #Ultimate.alloc(10);call #t~string119.base, #t~string119.offset := #Ultimate.alloc(12);call #t~string122.base, #t~string122.offset := #Ultimate.alloc(10);call #t~string125.base, #t~string125.offset := #Ultimate.alloc(18);call #t~string128.base, #t~string128.offset := #Ultimate.alloc(16);call #t~string131.base, #t~string131.offset := #Ultimate.alloc(21);call #t~string134.base, #t~string134.offset := #Ultimate.alloc(13);call #t~string137.base, #t~string137.offset := #Ultimate.alloc(16);call #t~string140.base, #t~string140.offset := #Ultimate.alloc(25); 271#L-1true havoc main_#res;havoc main_#t~ret90, main_~retValue_acc~39, main_~tmp~16;havoc main_~retValue_acc~39;havoc main_~tmp~16; 98#L93true 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; 262#L101true main_#t~ret90 := valid_product_#res;main_~tmp~16 := main_#t~ret90;havoc main_#t~ret90; 524#L2706true assume 0 != main_~tmp~16;havoc setup_#t~nondet85, setup_#t~nondet87, setup_#t~nondet89, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.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_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 223#L2172true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 351#L2178-2true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 523#L1737true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 32#L1743-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string84.base, #t~string84.offset;havoc setup_#t~nondet85;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 226#L2172-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 330#L2178-5true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 525#L1737-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 38#L1743-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string86.base, #t~string86.offset;havoc setup_#t~nondet87;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 208#L2172-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 338#L2178-8true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 534#L1737-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 20#L1743-8true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string88.base, #t~string88.offset;havoc setup_#t~nondet89; 466#L2693true havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, 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~0, test_~tmp___0~0, test_~tmp___1~0, 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~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;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; 564#L712-1true [2018-11-28 11:24:21,348 INFO L796 eck$LassoCheckResult]: Loop: 564#L712-1true assume !false; 70#L567true assume test_~splverifierCounter~0 < 4; 449#L568true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 143#L574true assume !(0 == test_~op1~0); 37#L587true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet4;havoc test_#t~nondet4; 533#L592true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 564#L712-1true [2018-11-28 11:24:21,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:24:21,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2018-11-28 11:24:21,356 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:24:21,356 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:24:21,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:24:21,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:24:21,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:24:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:24:21,576 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 11:24:21,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:24:21,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:24:21,580 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 11:24:21,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:24:21,580 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2018-11-28 11:24:21,581 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:24:21,581 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:24:21,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:24:21,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:24:21,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:24:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:24:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:24:21,675 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:24:21,676 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:24:21,676 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:24:21,676 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:24:21,676 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 11:24:21,676 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:24:21,676 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:24:21,676 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:24:21,677 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec9_product31_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 11:24:21,677 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:24:21,677 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:24:21,696 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 11:24:21,707 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 11:24:21,710 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 11:24:21,731 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 11:24:21,843 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:24:21,843 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86747995-f4ea-46e1-b1d8-6ef10ce5d0af/bin-2019/uautomizer/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 11:24:21,848 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:24:21,848 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86747995-f4ea-46e1-b1d8-6ef10ce5d0af/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:24:21,879 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 11:24:21,879 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:24:21,885 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 11:24:21,908 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:24:21,908 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:24:21,908 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:24:21,909 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:24:21,909 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 11:24:21,909 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:24:21,909 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:24:21,909 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:24:21,909 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec9_product31_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 11:24:21,909 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:24:21,909 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:24:21,910 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 11:24:21,923 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 11:24:21,928 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 11:24:21,934 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 11:24:21,988 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:24:21,992 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 11:24:21,994 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 11:24:21,995 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:24:21,995 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:24:21,995 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:24:21,996 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:24:21,996 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:24:21,997 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:24:21,997 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:24:22,001 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 11:24:22,004 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 11:24:22,004 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 11:24:22,006 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 11:24:22,006 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 11:24:22,007 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 11:24:22,007 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2018-11-28 11:24:22,009 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 11:24:22,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:24:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:24:22,177 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:24:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:24:22,207 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:24:22,243 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 11:24:22,257 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 11:24:22,258 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 565 states. Second operand 4 states. [2018-11-28 11:24:22,422 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 565 states.. Second operand 4 states. Result 2498 states and 4292 transitions. Complement of second has 7 states. [2018-11-28 11:24:22,422 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 11:24:22,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 11:24:22,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2442 transitions. [2018-11-28 11:24:22,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2442 transitions. Stem has 18 letters. Loop has 6 letters. [2018-11-28 11:24:22,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:24:22,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2442 transitions. Stem has 24 letters. Loop has 6 letters. [2018-11-28 11:24:22,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:24:22,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2442 transitions. Stem has 18 letters. Loop has 12 letters. [2018-11-28 11:24:22,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:24:22,429 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2498 states and 4292 transitions. [2018-11-28 11:24:22,443 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2018-11-28 11:24:22,452 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2498 states to 879 states and 1596 transitions. [2018-11-28 11:24:22,453 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 454 [2018-11-28 11:24:22,454 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 455 [2018-11-28 11:24:22,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 879 states and 1596 transitions. [2018-11-28 11:24:22,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 11:24:22,455 INFO L705 BuchiCegarLoop]: Abstraction has 879 states and 1596 transitions. [2018-11-28 11:24:22,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states and 1596 transitions. [2018-11-28 11:24:22,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 456. [2018-11-28 11:24:22,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2018-11-28 11:24:22,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 825 transitions. [2018-11-28 11:24:22,490 INFO L728 BuchiCegarLoop]: Abstraction has 456 states and 825 transitions. [2018-11-28 11:24:22,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:24:22,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:24:22,493 INFO L87 Difference]: Start difference. First operand 456 states and 825 transitions. Second operand 3 states. [2018-11-28 11:24:22,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:24:22,542 INFO L93 Difference]: Finished difference Result 892 states and 1615 transitions. [2018-11-28 11:24:22,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:24:22,544 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 892 states and 1615 transitions. [2018-11-28 11:24:22,548 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 424 [2018-11-28 11:24:22,551 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 892 states to 892 states and 1615 transitions. [2018-11-28 11:24:22,551 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 466 [2018-11-28 11:24:22,552 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 466 [2018-11-28 11:24:22,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 892 states and 1615 transitions. [2018-11-28 11:24:22,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 11:24:22,554 INFO L705 BuchiCegarLoop]: Abstraction has 892 states and 1615 transitions. [2018-11-28 11:24:22,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states and 1615 transitions. [2018-11-28 11:24:22,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 455. [2018-11-28 11:24:22,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2018-11-28 11:24:22,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 821 transitions. [2018-11-28 11:24:22,564 INFO L728 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2018-11-28 11:24:22,564 INFO L608 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2018-11-28 11:24:22,564 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 11:24:22,564 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 455 states and 821 transitions. [2018-11-28 11:24:22,566 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2018-11-28 11:24:22,567 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:24:22,567 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:24:22,567 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:24:22,568 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:24:22,568 INFO L794 eck$LassoCheckResult]: Stem: 4812#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string0.base, #t~string0.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string0.base, #t~string0.offset, 1);call write~init~int(115, #t~string0.base, 1 + #t~string0.offset, 1);call write~init~int(10, #t~string0.base, 2 + #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 3 + #t~string0.offset, 1);~__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;~__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;~head~0.base, ~head~0.offset := 0, 0;call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string51.base, #t~string51.offset := #Ultimate.alloc(10);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(16);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(20);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(21);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string77.base, #t~string77.offset := #Ultimate.alloc(44);call #t~string82.base, #t~string82.offset := #Ultimate.alloc(44);call #t~string84.base, #t~string84.offset := #Ultimate.alloc(9);call #t~string86.base, #t~string86.offset := #Ultimate.alloc(9);call #t~string88.base, #t~string88.offset := #Ultimate.alloc(11);call #t~string92.base, #t~string92.offset := #Ultimate.alloc(19);call #t~string95.base, #t~string95.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string95.base, #t~string95.offset, 1);call write~init~int(100, #t~string95.base, 1 + #t~string95.offset, 1);call write~init~int(10, #t~string95.base, 2 + #t~string95.offset, 1);call write~init~int(0, #t~string95.base, 3 + #t~string95.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string98.base, #t~string98.offset, 1);call write~init~int(100, #t~string98.base, 1 + #t~string98.offset, 1);call write~init~int(10, #t~string98.base, 2 + #t~string98.offset, 1);call write~init~int(0, #t~string98.base, 3 + #t~string98.offset, 1);~in_encrypted~0 := 0;call #t~string105.base, #t~string105.offset := #Ultimate.alloc(17);call #t~string108.base, #t~string108.offset := #Ultimate.alloc(17);call #t~string110.base, #t~string110.offset := #Ultimate.alloc(13);call #t~string112.base, #t~string112.offset := #Ultimate.alloc(17);call #t~string116.base, #t~string116.offset := #Ultimate.alloc(10);call #t~string119.base, #t~string119.offset := #Ultimate.alloc(12);call #t~string122.base, #t~string122.offset := #Ultimate.alloc(10);call #t~string125.base, #t~string125.offset := #Ultimate.alloc(18);call #t~string128.base, #t~string128.offset := #Ultimate.alloc(16);call #t~string131.base, #t~string131.offset := #Ultimate.alloc(21);call #t~string134.base, #t~string134.offset := #Ultimate.alloc(13);call #t~string137.base, #t~string137.offset := #Ultimate.alloc(16);call #t~string140.base, #t~string140.offset := #Ultimate.alloc(25); 4516#L-1 havoc main_#res;havoc main_#t~ret90, main_~retValue_acc~39, main_~tmp~16;havoc main_~retValue_acc~39;havoc main_~tmp~16; 4517#L93 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; 4853#L101 main_#t~ret90 := valid_product_#res;main_~tmp~16 := main_#t~ret90;havoc main_#t~ret90; 4960#L2706 assume 0 != main_~tmp~16;havoc setup_#t~nondet85, setup_#t~nondet87, setup_#t~nondet89, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.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_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4961#L2172 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4727#L2178-2 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 4753#L1737 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4736#L1743-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string84.base, #t~string84.offset;havoc setup_#t~nondet85;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4737#L2172-2 assume !(1 == setClientId_~handle); 4952#L2175-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4697#L2178-5 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 4698#L1737-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4739#L1743-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string86.base, #t~string86.offset;havoc setup_#t~nondet87;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4750#L2172-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4708#L2178-8 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 4711#L1737-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4693#L1743-8 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string88.base, #t~string88.offset;havoc setup_#t~nondet89; 4696#L2693 havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, 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~0, test_~tmp___0~0, test_~tmp___1~0, 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~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;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; 4942#L712-1 assume !false; 4798#L567 [2018-11-28 11:24:22,568 INFO L796 eck$LassoCheckResult]: Loop: 4798#L567 assume test_~splverifierCounter~0 < 4; 4799#L568 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4918#L574 assume !(0 == test_~op1~0); 4746#L587 assume !(0 == test_~op2~0); 4740#L598 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet5;havoc test_#t~nondet5; 4742#L603 assume 0 != test_~tmp___7~0;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := ~rjh~0, 0;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 4956#L1737-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4606#L1743-11 test_~op3~0 := 1; 4533#L712-1 assume !false; 4798#L567 [2018-11-28 11:24:22,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:24:22,568 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2018-11-28 11:24:22,569 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:24:22,569 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:24:22,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:24:22,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:24:22,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:24:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:24:22,640 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 11:24:22,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:24:22,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:24:22,640 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 11:24:22,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:24:22,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2018-11-28 11:24:22,641 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:24:22,641 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:24:22,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:24:22,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:24:22,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:24:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:24:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:24:22,703 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:24:22,703 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:24:22,703 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:24:22,703 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:24:22,703 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 11:24:22,703 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:24:22,704 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:24:22,704 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:24:22,704 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec9_product31_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 11:24:22,704 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:24:22,704 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:24:22,705 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 11:24:22,710 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 11:24:22,713 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 11:24:22,715 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 11:24:22,719 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 11:24:22,721 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 11:24:22,725 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 11:24:22,796 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:24:22,796 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86747995-f4ea-46e1-b1d8-6ef10ce5d0af/bin-2019/uautomizer/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 11:24:22,806 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:24:22,806 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86747995-f4ea-46e1-b1d8-6ef10ce5d0af/bin-2019/uautomizer/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 [2018-11-28 11:24:22,827 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 11:24:22,827 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:24:22,848 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 11:24:22,849 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:24:22,849 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:24:22,850 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:24:22,850 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:24:22,850 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 11:24:22,850 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:24:22,850 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:24:22,850 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:24:22,850 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec9_product31_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 11:24:22,850 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:24:22,850 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:24:22,852 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 11:24:22,860 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 11:24:22,863 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 11:24:22,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:24:22,870 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 11:24:22,874 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 11:24:22,879 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 11:24:22,956 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:24:22,956 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 11:24:22,957 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 11:24:22,957 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:24:22,957 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:24:22,958 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:24:22,958 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:24:22,958 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:24:22,958 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:24:22,958 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:24:22,963 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 11:24:22,964 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 11:24:22,965 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 11:24:22,965 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 11:24:22,965 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 11:24:22,965 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 11:24:22,965 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 11:24:22,965 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 11:24:22,984 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:24:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:24:23,056 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:24:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:24:23,078 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:24:23,102 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 11:24:23,102 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 11:24:23,103 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368 Second operand 4 states. [2018-11-28 11:24:23,122 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368. Second operand 4 states. Result 883 states and 1601 transitions. Complement of second has 6 states. [2018-11-28 11:24:23,122 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 11:24:23,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 11:24:23,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2018-11-28 11:24:23,123 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 9 letters. [2018-11-28 11:24:23,123 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:24:23,124 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 29 letters. Loop has 9 letters. [2018-11-28 11:24:23,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:24:23,124 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 18 letters. [2018-11-28 11:24:23,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 11:24:23,124 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 883 states and 1601 transitions. [2018-11-28 11:24:23,129 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 11:24:23,129 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 883 states to 0 states and 0 transitions. [2018-11-28 11:24:23,129 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 11:24:23,129 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 11:24:23,129 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 11:24:23,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:24:23,130 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:24:23,130 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:24:23,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:24:23,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:24:23,130 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2018-11-28 11:24:23,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:24:23,130 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-28 11:24:23,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 11:24:23,131 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-28 11:24:23,131 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 11:24:23,131 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 11:24:23,131 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 11:24:23,131 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 11:24:23,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 11:24:23,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:24:23,131 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:24:23,131 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:24:23,131 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:24:23,131 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 11:24:23,131 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:24:23,131 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 11:24:23,132 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 11:24:23,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:24:23 BoogieIcfgContainer [2018-11-28 11:24:23,137 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 11:24:23,137 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:24:23,137 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:24:23,137 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:24:23,138 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:24:21" (3/4) ... [2018-11-28 11:24:23,140 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 11:24:23,140 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:24:23,141 INFO L168 Benchmark]: Toolchain (without parser) took 4276.01 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 248.5 MB). Free memory was 950.6 MB in the beginning and 910.7 MB in the end (delta: 39.9 MB). Peak memory consumption was 288.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:24:23,142 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:24:23,143 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -153.3 MB). Peak memory consumption was 40.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:24:23,143 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.02 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: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:24:23,144 INFO L168 Benchmark]: Boogie Preprocessor took 64.22 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: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2018-11-28 11:24:23,144 INFO L168 Benchmark]: RCFGBuilder took 1581.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 859.0 MB in the end (delta: 224.7 MB). Peak memory consumption was 224.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:24:23,144 INFO L168 Benchmark]: BuchiAutomizer took 1918.38 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.2 MB). Free memory was 859.0 MB in the beginning and 910.7 MB in the end (delta: -51.7 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:24:23,145 INFO L168 Benchmark]: Witness Printer took 3.27 ms. Allocated memory is still 1.3 GB. Free memory is still 910.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:24:23,148 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 618.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -153.3 MB). Peak memory consumption was 40.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.02 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: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.22 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: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1581.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 859.0 MB in the end (delta: 224.7 MB). Peak memory consumption was 224.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1918.38 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.2 MB). Free memory was 859.0 MB in the beginning and 910.7 MB in the end (delta: -51.7 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.27 ms. Allocated memory is still 1.3 GB. Free memory is still 910.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 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 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 860 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 455 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 3155 SDtfs, 2736 SDslu, 3935 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 13ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...