./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product34_false-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_620d811e-75a3-442c-bd16-27f777414975/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_620d811e-75a3-442c-bd16-27f777414975/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_620d811e-75a3-442c-bd16-27f777414975/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_620d811e-75a3-442c-bd16-27f777414975/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product34_false-unreach-call_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_620d811e-75a3-442c-bd16-27f777414975/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_620d811e-75a3-442c-bd16-27f777414975/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 cb09fe641114f564f32d0f18ec02fada41b0271b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 17:13:51,874 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 17:13:51,875 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 17:13:51,881 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 17:13:51,881 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 17:13:51,882 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 17:13:51,883 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 17:13:51,883 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 17:13:51,884 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 17:13:51,885 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 17:13:51,885 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 17:13:51,885 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 17:13:51,886 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 17:13:51,886 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 17:13:51,887 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 17:13:51,887 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 17:13:51,888 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 17:13:51,888 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 17:13:51,889 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 17:13:51,890 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 17:13:51,891 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 17:13:51,891 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 17:13:51,892 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 17:13:51,893 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 17:13:51,893 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 17:13:51,893 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 17:13:51,894 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 17:13:51,894 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 17:13:51,894 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 17:13:51,895 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 17:13:51,895 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 17:13:51,895 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 17:13:51,896 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 17:13:51,896 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 17:13:51,896 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 17:13:51,896 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 17:13:51,897 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_620d811e-75a3-442c-bd16-27f777414975/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-02 17:13:51,904 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 17:13:51,905 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 17:13:51,905 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 17:13:51,905 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 17:13:51,906 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 17:13:51,906 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-02 17:13:51,906 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-02 17:13:51,906 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-02 17:13:51,906 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-02 17:13:51,906 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-02 17:13:51,906 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-02 17:13:51,906 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 17:13:51,906 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 17:13:51,906 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 17:13:51,906 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 17:13:51,907 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 17:13:51,907 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 17:13:51,907 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-02 17:13:51,907 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-02 17:13:51,907 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-02 17:13:51,907 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 17:13:51,907 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 17:13:51,907 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-02 17:13:51,907 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 17:13:51,907 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-02 17:13:51,907 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 17:13:51,908 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 17:13:51,908 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-02 17:13:51,908 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 17:13:51,908 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 17:13:51,908 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-02 17:13:51,908 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-02 17:13:51,909 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_620d811e-75a3-442c-bd16-27f777414975/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 -> cb09fe641114f564f32d0f18ec02fada41b0271b [2018-12-02 17:13:51,926 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 17:13:51,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 17:13:51,938 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 17:13:51,939 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 17:13:51,939 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 17:13:51,940 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_620d811e-75a3-442c-bd16-27f777414975/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/email_spec0_product34_false-unreach-call_true-termination.cil.c [2018-12-02 17:13:51,976 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_620d811e-75a3-442c-bd16-27f777414975/bin-2019/uautomizer/data/5d8ca6055/3cc88d4bdbfa47dfb07f1401d051ba9a/FLAG995f6fc96 [2018-12-02 17:13:52,464 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 17:13:52,464 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_620d811e-75a3-442c-bd16-27f777414975/sv-benchmarks/c/product-lines/email_spec0_product34_false-unreach-call_true-termination.cil.c [2018-12-02 17:13:52,473 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_620d811e-75a3-442c-bd16-27f777414975/bin-2019/uautomizer/data/5d8ca6055/3cc88d4bdbfa47dfb07f1401d051ba9a/FLAG995f6fc96 [2018-12-02 17:13:52,482 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_620d811e-75a3-442c-bd16-27f777414975/bin-2019/uautomizer/data/5d8ca6055/3cc88d4bdbfa47dfb07f1401d051ba9a [2018-12-02 17:13:52,484 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 17:13:52,485 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 17:13:52,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 17:13:52,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 17:13:52,487 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 17:13:52,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:13:52" (1/1) ... [2018-12-02 17:13:52,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ee13be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:52, skipping insertion in model container [2018-12-02 17:13:52,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:13:52" (1/1) ... [2018-12-02 17:13:52,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 17:13:52,524 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 17:13:52,871 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:13:52,880 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 17:13:52,945 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:13:52,985 INFO L195 MainTranslator]: Completed translation [2018-12-02 17:13:52,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:52 WrapperNode [2018-12-02 17:13:52,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 17:13:52,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 17:13:52,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 17:13:52,986 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 17:13:52,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:52" (1/1) ... [2018-12-02 17:13:53,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:52" (1/1) ... [2018-12-02 17:13:53,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 17:13:53,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 17:13:53,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 17:13:53,077 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 17:13:53,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:52" (1/1) ... [2018-12-02 17:13:53,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:52" (1/1) ... [2018-12-02 17:13:53,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:52" (1/1) ... [2018-12-02 17:13:53,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:52" (1/1) ... [2018-12-02 17:13:53,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:52" (1/1) ... [2018-12-02 17:13:53,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:52" (1/1) ... [2018-12-02 17:13:53,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:52" (1/1) ... [2018-12-02 17:13:53,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 17:13:53,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 17:13:53,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 17:13:53,155 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 17:13:53,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_620d811e-75a3-442c-bd16-27f777414975/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 [2018-12-02 17:13:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 17:13:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-12-02 17:13:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 17:13:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 17:13:53,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 17:13:54,627 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 17:13:54,627 INFO L280 CfgBuilder]: Removed 861 assue(true) statements. [2018-12-02 17:13:54,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:13:54 BoogieIcfgContainer [2018-12-02 17:13:54,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 17:13:54,628 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-02 17:13:54,628 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-02 17:13:54,631 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-02 17:13:54,632 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 17:13:54,632 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 05:13:52" (1/3) ... [2018-12-02 17:13:54,633 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2958b078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 05:13:54, skipping insertion in model container [2018-12-02 17:13:54,633 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 17:13:54,633 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:52" (2/3) ... [2018-12-02 17:13:54,633 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2958b078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 05:13:54, skipping insertion in model container [2018-12-02 17:13:54,633 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 17:13:54,633 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:13:54" (3/3) ... [2018-12-02 17:13:54,635 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec0_product34_false-unreach-call_true-termination.cil.c [2018-12-02 17:13:54,672 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 17:13:54,673 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-02 17:13:54,673 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-02 17:13:54,673 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-02 17:13:54,673 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 17:13:54,673 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 17:13:54,674 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-02 17:13:54,674 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 17:13:54,674 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-02 17:13:54,698 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1248 states. [2018-12-02 17:13:54,759 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2018-12-02 17:13:54,759 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 17:13:54,759 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 17:13:54,766 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:13:54,766 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-12-02 17:13:54,766 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-02 17:13:54,766 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1248 states. [2018-12-02 17:13:54,773 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2018-12-02 17:13:54,773 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 17:13:54,773 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 17:13:54,775 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:13:54,775 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-12-02 17:13:54,779 INFO L794 eck$LassoCheckResult]: Stem: 401#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.alloc(44);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(44);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(9);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(9);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(11);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(19);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string18.base, #t~string18.offset, 1);call write~init~int(100, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(10, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string21.base, #t~string21.offset, 1);call write~init~int(100, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(10, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(21);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(30);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(9);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(25);call #t~string78.base, #t~string78.offset := #Ultimate.alloc(10);call #t~string81.base, #t~string81.offset := #Ultimate.alloc(12);call #t~string84.base, #t~string84.offset := #Ultimate.alloc(10);call #t~string87.base, #t~string87.offset := #Ultimate.alloc(18);call #t~string90.base, #t~string90.offset := #Ultimate.alloc(16);call #t~string93.base, #t~string93.offset := #Ultimate.alloc(21);call #t~string96.base, #t~string96.offset := #Ultimate.alloc(13);call #t~string99.base, #t~string99.offset := #Ultimate.alloc(16);call #t~string102.base, #t~string102.offset := #Ultimate.alloc(25);~__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;call #t~string106.base, #t~string106.offset := #Ultimate.alloc(16);call #t~string109.base, #t~string109.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string109.base, #t~string109.offset, 1);call write~init~int(115, #t~string109.base, 1 + #t~string109.offset, 1);call write~init~int(10, #t~string109.base, 2 + #t~string109.offset, 1);call write~init~int(0, #t~string109.base, 3 + #t~string109.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string111.base, #t~string111.offset := #Ultimate.alloc(10);call #t~string118.base, #t~string118.offset := #Ultimate.alloc(34);call #t~string121.base, #t~string121.offset := #Ultimate.alloc(30);call #t~string125.base, #t~string125.offset := #Ultimate.alloc(16);call #t~string134.base, #t~string134.offset := #Ultimate.alloc(20);call #t~string137.base, #t~string137.offset := #Ultimate.alloc(21); 304#L-1true havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 5#L621true 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; 867#L629true main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 59#L224true assume 0 != main_~tmp~1;havoc setup_#t~nondet8, setup_#t~nondet10, setup_#t~nondet12, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 864#L1686true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 662#L1692-2true 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; 488#L1251true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 272#L1257-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string7.base, #t~string7.offset;havoc setup_#t~nondet8;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 838#L1686-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 646#L1692-5true 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; 490#L1251-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 255#L1257-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 843#L1686-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 615#L1692-8true 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; 493#L1251-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 262#L1257-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 971#L211true havoc test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, 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~3, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 1184#L559-1true [2018-12-02 17:13:54,779 INFO L796 eck$LassoCheckResult]: Loop: 1184#L559-1true assume !false; 711#L411true assume test_~splverifierCounter~0 < 4; 822#L412true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 423#L418true assume !(0 == test_~op1~0); 853#L431true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet29;havoc test_#t~nondet29; 494#L436true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 1184#L559-1true [2018-12-02 17:13:54,784 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:54,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2018-12-02 17:13:54,786 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:13:54,787 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:13:54,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:54,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:54,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:54,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:13:54,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:54,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 17:13:54,967 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-12-02 17:13:54,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:54,967 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2018-12-02 17:13:54,967 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:13:54,968 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:13:54,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:54,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:54,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 17:13:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 17:13:55,026 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 17:13:55,027 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 17:13:55,027 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 17:13:55,028 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 17:13:55,028 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-02 17:13:55,028 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 17:13:55,028 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 17:13:55,028 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 17:13:55,028 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product34_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-12-02 17:13:55,028 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 17:13:55,028 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 17:13:55,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 17:13:55,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 17:13:55,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 17:13:55,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 17:13:55,124 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 17:13:55,124 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_620d811e-75a3-442c-bd16-27f777414975/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 [2018-12-02 17:13:55,128 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 17:13:55,128 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_620d811e-75a3-442c-bd16-27f777414975/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 [2018-12-02 17:13:55,152 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-02 17:13:55,152 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 17:13:55,157 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-02 17:13:55,180 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 17:13:55,180 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 17:13:55,180 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 17:13:55,180 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 17:13:55,181 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-02 17:13:55,181 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 17:13:55,181 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 17:13:55,181 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 17:13:55,181 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product34_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-12-02 17:13:55,181 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 17:13:55,181 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 17:13:55,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 17:13:55,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 17:13:55,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 17:13:55,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 17:13:55,241 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 17:13:55,245 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-02 17:13:55,246 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 [2018-12-02 17:13:55,247 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 17:13:55,247 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 17:13:55,248 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 17:13:55,248 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 17:13:55,248 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 17:13:55,249 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 17:13:55,249 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 17:13:55,252 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-02 17:13:55,254 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-02 17:13:55,255 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-12-02 17:13:55,256 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-02 17:13:55,256 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-02 17:13:55,256 INFO L518 LassoAnalysis]: Proved termination. [2018-12-02 17:13:55,256 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2018-12-02 17:13:55,257 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-02 17:13:55,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:55,348 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:13:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:55,365 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:13:55,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:13:55,393 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 [2018-12-02 17:13:55,394 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1248 states. Second operand 4 states. [2018-12-02 17:13:55,588 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1248 states.. Second operand 4 states. Result 5870 states and 10012 transitions. Complement of second has 7 states. [2018-12-02 17:13:55,589 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 [2018-12-02 17:13:55,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-02 17:13:55,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5846 transitions. [2018-12-02 17:13:55,595 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5846 transitions. Stem has 18 letters. Loop has 6 letters. [2018-12-02 17:13:55,595 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 17:13:55,596 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5846 transitions. Stem has 24 letters. Loop has 6 letters. [2018-12-02 17:13:55,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 17:13:55,596 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5846 transitions. Stem has 18 letters. Loop has 12 letters. [2018-12-02 17:13:55,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 17:13:55,597 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5870 states and 10012 transitions. [2018-12-02 17:13:55,623 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 509 [2018-12-02 17:13:55,630 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5870 states to 1051 states and 1924 transitions. [2018-12-02 17:13:55,631 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 540 [2018-12-02 17:13:55,632 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 541 [2018-12-02 17:13:55,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1051 states and 1924 transitions. [2018-12-02 17:13:55,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-02 17:13:55,634 INFO L705 BuchiCegarLoop]: Abstraction has 1051 states and 1924 transitions. [2018-12-02 17:13:55,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states and 1924 transitions. [2018-12-02 17:13:55,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 542. [2018-12-02 17:13:55,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2018-12-02 17:13:55,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 989 transitions. [2018-12-02 17:13:55,666 INFO L728 BuchiCegarLoop]: Abstraction has 542 states and 989 transitions. [2018-12-02 17:13:55,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 17:13:55,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:13:55,669 INFO L87 Difference]: Start difference. First operand 542 states and 989 transitions. Second operand 3 states. [2018-12-02 17:13:55,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:55,704 INFO L93 Difference]: Finished difference Result 1064 states and 1943 transitions. [2018-12-02 17:13:55,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 17:13:55,705 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1064 states and 1943 transitions. [2018-12-02 17:13:55,708 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 510 [2018-12-02 17:13:55,712 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1064 states to 1064 states and 1943 transitions. [2018-12-02 17:13:55,712 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 552 [2018-12-02 17:13:55,712 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 552 [2018-12-02 17:13:55,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1064 states and 1943 transitions. [2018-12-02 17:13:55,714 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-02 17:13:55,714 INFO L705 BuchiCegarLoop]: Abstraction has 1064 states and 1943 transitions. [2018-12-02 17:13:55,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states and 1943 transitions. [2018-12-02 17:13:55,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 541. [2018-12-02 17:13:55,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2018-12-02 17:13:55,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 985 transitions. [2018-12-02 17:13:55,725 INFO L728 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2018-12-02 17:13:55,725 INFO L608 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2018-12-02 17:13:55,725 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-02 17:13:55,725 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 541 states and 985 transitions. [2018-12-02 17:13:55,726 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2018-12-02 17:13:55,726 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 17:13:55,727 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 17:13:55,727 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] [2018-12-02 17:13:55,727 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:13:55,727 INFO L794 eck$LassoCheckResult]: Stem: 9177#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.alloc(44);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(44);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(9);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(9);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(11);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(19);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string18.base, #t~string18.offset, 1);call write~init~int(100, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(10, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string21.base, #t~string21.offset, 1);call write~init~int(100, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(10, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(21);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(30);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(9);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(25);call #t~string78.base, #t~string78.offset := #Ultimate.alloc(10);call #t~string81.base, #t~string81.offset := #Ultimate.alloc(12);call #t~string84.base, #t~string84.offset := #Ultimate.alloc(10);call #t~string87.base, #t~string87.offset := #Ultimate.alloc(18);call #t~string90.base, #t~string90.offset := #Ultimate.alloc(16);call #t~string93.base, #t~string93.offset := #Ultimate.alloc(21);call #t~string96.base, #t~string96.offset := #Ultimate.alloc(13);call #t~string99.base, #t~string99.offset := #Ultimate.alloc(16);call #t~string102.base, #t~string102.offset := #Ultimate.alloc(25);~__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;call #t~string106.base, #t~string106.offset := #Ultimate.alloc(16);call #t~string109.base, #t~string109.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string109.base, #t~string109.offset, 1);call write~init~int(115, #t~string109.base, 1 + #t~string109.offset, 1);call write~init~int(10, #t~string109.base, 2 + #t~string109.offset, 1);call write~init~int(0, #t~string109.base, 3 + #t~string109.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string111.base, #t~string111.offset := #Ultimate.alloc(10);call #t~string118.base, #t~string118.offset := #Ultimate.alloc(34);call #t~string121.base, #t~string121.offset := #Ultimate.alloc(30);call #t~string125.base, #t~string125.offset := #Ultimate.alloc(16);call #t~string134.base, #t~string134.offset := #Ultimate.alloc(20);call #t~string137.base, #t~string137.offset := #Ultimate.alloc(21); 8917#L-1 havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 8853#L621 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; 8854#L629 main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 9013#L224 assume 0 != main_~tmp~1;havoc setup_#t~nondet8, setup_#t~nondet10, setup_#t~nondet12, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 9014#L1686 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 8824#L1692-2 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; 9286#L1251 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 8929#L1257-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string7.base, #t~string7.offset;havoc setup_#t~nondet8;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;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; 9262#L1686-2 assume !(1 == setClientId_~handle); 8855#L1689-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 8856#L1692-5 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; 9287#L1251-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 8831#L1257-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;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; 9267#L1686-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 8890#L1692-8 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; 9288#L1251-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 8862#L1257-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 9362#L211 havoc test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, 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~3, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 9363#L559-1 assume !false; 9053#L411 [2018-12-02 17:13:55,728 INFO L796 eck$LassoCheckResult]: Loop: 9053#L411 assume test_~splverifierCounter~0 < 4; 9054#L412 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 9186#L418 assume !(0 == test_~op1~0); 9047#L431 assume !(0 == test_~op2~0); 9280#L442 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet30;havoc test_#t~nondet30; 9281#L447 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; 9265#L1251-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 8896#L1257-11 test_~op3~0 := 1; 8882#L559-1 assume !false; 9053#L411 [2018-12-02 17:13:55,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:55,728 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2018-12-02 17:13:55,728 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:13:55,728 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:13:55,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:55,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:55,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:55,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:13:55,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:55,787 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:13:55,787 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-12-02 17:13:55,787 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:55,787 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2018-12-02 17:13:55,787 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:13:55,787 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:13:55,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:55,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:55,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 17:13:55,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 17:13:55,848 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 17:13:55,849 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 17:13:55,849 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 17:13:55,849 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 17:13:55,849 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-02 17:13:55,849 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 17:13:55,849 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 17:13:55,849 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 17:13:55,849 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product34_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-12-02 17:13:55,849 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 17:13:55,849 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 17:13:55,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 17:13:55,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 17:13:55,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 17:13:55,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 17:13:55,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 17:13:55,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 17:13:55,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 17:13:55,939 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 17:13:55,939 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_620d811e-75a3-442c-bd16-27f777414975/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 [2018-12-02 17:13:55,940 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 17:13:55,941 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 17:13:55,946 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-02 17:13:55,946 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Honda state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_620d811e-75a3-442c-bd16-27f777414975/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 [2018-12-02 17:13:55,972 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 17:13:55,972 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_620d811e-75a3-442c-bd16-27f777414975/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 17:13:55,989 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-02 17:13:55,989 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 17:13:56,006 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-02 17:13:56,007 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 17:13:56,008 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 17:13:56,008 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 17:13:56,008 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 17:13:56,008 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-02 17:13:56,008 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 17:13:56,008 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 17:13:56,008 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 17:13:56,008 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product34_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-12-02 17:13:56,008 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 17:13:56,008 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 17:13:56,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 17:13:56,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 17:13:56,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 17:13:56,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 17:13:56,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 17:13:56,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 17:13:56,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 17:13:56,142 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 17:13:56,142 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-02 17:13:56,142 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 [2018-12-02 17:13:56,142 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 17:13:56,143 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 17:13:56,143 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 17:13:56,143 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 17:13:56,143 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 17:13:56,143 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 17:13:56,143 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 17:13:56,145 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-02 17:13:56,146 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-02 17:13:56,146 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-12-02 17:13:56,147 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-02 17:13:56,147 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-02 17:13:56,147 INFO L518 LassoAnalysis]: Proved termination. [2018-12-02 17:13:56,147 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2018-12-02 17:13:56,147 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-02 17:13:56,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:56,225 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:13:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:56,242 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:13:56,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:13:56,266 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 [2018-12-02 17:13:56,266 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446 Second operand 4 states. [2018-12-02 17:13:56,292 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446. Second operand 4 states. Result 1055 states and 1929 transitions. Complement of second has 6 states. [2018-12-02 17:13:56,293 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 [2018-12-02 17:13:56,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-02 17:13:56,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2018-12-02 17:13:56,294 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 9 letters. [2018-12-02 17:13:56,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 17:13:56,294 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 29 letters. Loop has 9 letters. [2018-12-02 17:13:56,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 17:13:56,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 18 letters. [2018-12-02 17:13:56,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 17:13:56,295 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1055 states and 1929 transitions. [2018-12-02 17:13:56,301 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-02 17:13:56,301 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1055 states to 0 states and 0 transitions. [2018-12-02 17:13:56,301 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-02 17:13:56,301 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-02 17:13:56,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-02 17:13:56,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 17:13:56,302 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 17:13:56,302 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 17:13:56,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:13:56,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:13:56,302 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2018-12-02 17:13:56,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:56,302 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-12-02 17:13:56,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 17:13:56,303 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-12-02 17:13:56,303 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-02 17:13:56,303 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 17:13:56,303 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-02 17:13:56,303 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-02 17:13:56,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-02 17:13:56,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 17:13:56,303 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 17:13:56,303 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 17:13:56,303 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 17:13:56,303 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-02 17:13:56,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-02 17:13:56,304 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-02 17:13:56,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-02 17:13:56,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 05:13:56 BoogieIcfgContainer [2018-12-02 17:13:56,309 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-02 17:13:56,310 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 17:13:56,310 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 17:13:56,310 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 17:13:56,310 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:13:54" (3/4) ... [2018-12-02 17:13:56,313 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 17:13:56,313 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 17:13:56,314 INFO L168 Benchmark]: Toolchain (without parser) took 3829.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -136.1 MB). Peak memory consumption was 61.0 MB. Max. memory is 11.5 GB. [2018-12-02 17:13:56,316 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:13:56,316 INFO L168 Benchmark]: CACSL2BoogieTranslator took 499.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -133.6 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. [2018-12-02 17:13:56,316 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-12-02 17:13:56,317 INFO L168 Benchmark]: Boogie Preprocessor took 77.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-02 17:13:56,317 INFO L168 Benchmark]: RCFGBuilder took 1472.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 861.2 MB in the end (delta: 182.8 MB). Peak memory consumption was 191.2 MB. Max. memory is 11.5 GB. [2018-12-02 17:13:56,318 INFO L168 Benchmark]: BuchiAutomizer took 1681.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.7 MB). Free memory was 861.2 MB in the beginning and 1.1 GB in the end (delta: -225.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:13:56,318 INFO L168 Benchmark]: Witness Printer took 3.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:13:56,322 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 499.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -133.6 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 91.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 77.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1472.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 861.2 MB in the end (delta: 182.8 MB). Peak memory consumption was 191.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1681.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 57.7 MB). Free memory was 861.2 MB in the beginning and 1.1 GB in the end (delta: -225.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * 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 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1032 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 541 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5717 SDtfs, 5215 SDslu, 7655 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: 10ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 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...