./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec27_product19_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_06746a64-b575-478e-8326-be62bf58abac/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_06746a64-b575-478e-8326-be62bf58abac/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_06746a64-b575-478e-8326-be62bf58abac/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_06746a64-b575-478e-8326-be62bf58abac/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_product19_false-unreach-call_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_06746a64-b575-478e-8326-be62bf58abac/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_06746a64-b575-478e-8326-be62bf58abac/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 4369547c44b7eb28808cd1c850f66fe8995f8d12 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 11:40:02,411 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:40:02,412 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:40:02,420 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:40:02,420 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:40:02,421 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:40:02,422 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:40:02,423 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:40:02,424 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:40:02,425 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:40:02,425 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:40:02,426 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:40:02,426 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:40:02,427 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:40:02,428 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:40:02,428 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:40:02,429 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:40:02,430 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:40:02,431 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:40:02,432 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:40:02,433 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:40:02,434 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:40:02,435 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:40:02,436 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:40:02,436 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:40:02,436 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:40:02,437 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:40:02,438 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:40:02,438 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:40:02,439 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:40:02,439 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:40:02,440 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:40:02,440 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:40:02,440 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:40:02,440 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:40:02,441 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:40:02,441 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_06746a64-b575-478e-8326-be62bf58abac/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-09 11:40:02,451 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:40:02,451 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:40:02,452 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 11:40:02,452 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 11:40:02,452 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 11:40:02,453 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-09 11:40:02,453 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-09 11:40:02,453 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-09 11:40:02,453 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-09 11:40:02,453 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-09 11:40:02,453 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-09 11:40:02,453 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:40:02,453 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:40:02,453 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 11:40:02,454 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:40:02,454 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:40:02,454 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:40:02,454 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-09 11:40:02,454 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-09 11:40:02,454 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-09 11:40:02,454 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:40:02,454 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:40:02,455 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-09 11:40:02,455 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 11:40:02,455 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-09 11:40:02,455 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:40:02,455 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 11:40:02,455 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-09 11:40:02,455 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:40:02,455 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 11:40:02,455 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-09 11:40:02,456 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-09 11:40:02,456 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_06746a64-b575-478e-8326-be62bf58abac/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 -> 4369547c44b7eb28808cd1c850f66fe8995f8d12 [2018-12-09 11:40:02,475 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:40:02,482 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:40:02,484 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:40:02,485 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:40:02,485 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:40:02,486 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_06746a64-b575-478e-8326-be62bf58abac/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/email_spec27_product19_false-unreach-call_true-termination.cil.c [2018-12-09 11:40:02,522 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_06746a64-b575-478e-8326-be62bf58abac/bin-2019/uautomizer/data/9520707a7/aefba22b366e4ee58ee466c4df622d79/FLAG20f6107a6 [2018-12-09 11:40:03,025 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:40:03,025 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_06746a64-b575-478e-8326-be62bf58abac/sv-benchmarks/c/product-lines/email_spec27_product19_false-unreach-call_true-termination.cil.c [2018-12-09 11:40:03,035 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_06746a64-b575-478e-8326-be62bf58abac/bin-2019/uautomizer/data/9520707a7/aefba22b366e4ee58ee466c4df622d79/FLAG20f6107a6 [2018-12-09 11:40:03,501 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_06746a64-b575-478e-8326-be62bf58abac/bin-2019/uautomizer/data/9520707a7/aefba22b366e4ee58ee466c4df622d79 [2018-12-09 11:40:03,503 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:40:03,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:40:03,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:40:03,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:40:03,507 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:40:03,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:40:03" (1/1) ... [2018-12-09 11:40:03,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38efbda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:40:03, skipping insertion in model container [2018-12-09 11:40:03,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:40:03" (1/1) ... [2018-12-09 11:40:03,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:40:03,552 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:40:03,849 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:40:03,858 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:40:03,914 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:40:03,946 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:40:03,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:40:03 WrapperNode [2018-12-09 11:40:03,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:40:03,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:40:03,946 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:40:03,947 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:40:03,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:40:03" (1/1) ... [2018-12-09 11:40:03,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:40:03" (1/1) ... [2018-12-09 11:40:04,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:40:04,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:40:04,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:40:04,009 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:40:04,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:40:03" (1/1) ... [2018-12-09 11:40:04,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:40:03" (1/1) ... [2018-12-09 11:40:04,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:40:03" (1/1) ... [2018-12-09 11:40:04,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:40:03" (1/1) ... [2018-12-09 11:40:04,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:40:03" (1/1) ... [2018-12-09 11:40:04,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:40:03" (1/1) ... [2018-12-09 11:40:04,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:40:03" (1/1) ... [2018-12-09 11:40:04,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:40:04,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:40:04,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:40:04,054 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:40:04,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:40:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_06746a64-b575-478e-8326-be62bf58abac/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 [2018-12-09 11:40:04,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 11:40:04,096 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-12-09 11:40:04,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 11:40:04,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:40:04,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:40:04,996 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:40:04,996 INFO L280 CfgBuilder]: Removed 303 assue(true) statements. [2018-12-09 11:40:04,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:40:04 BoogieIcfgContainer [2018-12-09 11:40:04,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:40:04,997 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-09 11:40:04,997 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-09 11:40:04,999 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-09 11:40:05,000 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 11:40:05,000 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.12 11:40:03" (1/3) ... [2018-12-09 11:40:05,001 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@239faf51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 11:40:05, skipping insertion in model container [2018-12-09 11:40:05,001 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 11:40:05,001 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:40:03" (2/3) ... [2018-12-09 11:40:05,001 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@239faf51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 11:40:05, skipping insertion in model container [2018-12-09 11:40:05,001 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 11:40:05,001 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:40:04" (3/3) ... [2018-12-09 11:40:05,002 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec27_product19_false-unreach-call_true-termination.cil.c [2018-12-09 11:40:05,036 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 11:40:05,036 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-09 11:40:05,036 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-09 11:40:05,036 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-09 11:40:05,036 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 11:40:05,036 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 11:40:05,036 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-09 11:40:05,036 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 11:40:05,036 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-09 11:40:05,050 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 465 states. [2018-12-09 11:40:05,077 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2018-12-09 11:40:05,077 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 11:40:05,077 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 11:40:05,083 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:40:05,083 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-12-09 11:40:05,083 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-09 11:40:05,083 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 465 states. [2018-12-09 11:40:05,089 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2018-12-09 11:40:05,089 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 11:40:05,089 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 11:40:05,090 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:40:05,090 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-12-09 11:40:05,094 INFO L794 eck$LassoCheckResult]: Stem: 292#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~__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;call #t~string35.base, #t~string35.offset := #Ultimate.alloc(16);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string41.base, #t~string41.offset := #Ultimate.alloc(44);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(44);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(9);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(11);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(19);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string59.base, #t~string59.offset, 1);call write~init~int(100, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(10, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string62.base, #t~string62.offset, 1);call write~init~int(100, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(10, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string81.base, #t~string81.offset := #Ultimate.alloc(10);call #t~string84.base, #t~string84.offset := #Ultimate.alloc(12);call #t~string87.base, #t~string87.offset := #Ultimate.alloc(10);call #t~string90.base, #t~string90.offset := #Ultimate.alloc(18);call #t~string93.base, #t~string93.offset := #Ultimate.alloc(13);call #t~string96.base, #t~string96.offset := #Ultimate.alloc(16);call #t~string99.base, #t~string99.offset := #Ultimate.alloc(25);call #t~string101.base, #t~string101.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string101.base, #t~string101.offset, 1);call write~init~int(115, #t~string101.base, 1 + #t~string101.offset, 1);call write~init~int(10, #t~string101.base, 2 + #t~string101.offset, 1);call write~init~int(0, #t~string101.base, 3 + #t~string101.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;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string105.base, #t~string105.offset := #Ultimate.alloc(10);call #t~string109.base, #t~string109.offset := #Ultimate.alloc(16);call #t~string114.base, #t~string114.offset := #Ultimate.alloc(20);call #t~string117.base, #t~string117.offset := #Ultimate.alloc(21); 238#L-1true havoc main_#res;havoc main_#t~ret54, main_~retValue_acc~5, main_~tmp~5;havoc main_~retValue_acc~5;havoc main_~tmp~5; 32#L477true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 155#L485true main_#t~ret54 := valid_product_#res;main_~tmp~5 := main_#t~ret54;havoc main_#t~ret54; 374#L656true assume 0 != main_~tmp~5;havoc setup_#t~nondet49, setup_#t~nondet51, setup_#t~nondet53, 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; 293#L2191true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 404#L2197-2true 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; 84#L1756true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 276#L1762-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string48.base, #t~string48.offset;havoc setup_#t~nondet49;~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; 289#L2191-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 414#L2197-5true 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; 86#L1756-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 151#L1762-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string50.base, #t~string50.offset;havoc setup_#t~nondet51;~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; 290#L2191-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 388#L2197-8true 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; 78#L1756-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 154#L1762-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string52.base, #t~string52.offset;havoc setup_#t~nondet53; 3#L643true havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, 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~7, test_~tmp___0~3, test_~tmp___1~2, 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~7;havoc test_~tmp___0~3;havoc test_~tmp___1~2;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; 16#L984-1true [2018-12-09 11:40:05,094 INFO L796 eck$LassoCheckResult]: Loop: 16#L984-1true assume !false; 201#L839true assume test_~splverifierCounter~0 < 4; 60#L840true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 243#L846true assume !(0 == test_~op1~0); 283#L859true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet70;havoc test_#t~nondet70; 90#L864true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 16#L984-1true [2018-12-09 11:40:05,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:40:05,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2018-12-09 11:40:05,099 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:40:05,099 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:40:05,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:40:05,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:40:05,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:40:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:40:05,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:40:05,242 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:40:05,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 11:40:05,244 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-12-09 11:40:05,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:40:05,244 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2018-12-09 11:40:05,245 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:40:05,245 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:40:05,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:40:05,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:40:05,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:40:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:40:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:40:05,314 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 11:40:05,315 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 11:40:05,315 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 11:40:05,316 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 11:40:05,316 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 11:40:05,316 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 11:40:05,316 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 11:40:05,316 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 11:40:05,316 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec27_product19_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-12-09 11:40:05,316 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 11:40:05,317 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 11:40:05,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 11:40:05,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 11:40:05,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 11:40:05,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 11:40:05,396 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 11:40:05,397 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_06746a64-b575-478e-8326-be62bf58abac/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 [2018-12-09 11:40:05,400 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 11:40:05,400 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_06746a64-b575-478e-8326-be62bf58abac/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 [2018-12-09 11:40:05,419 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 11:40:05,419 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 11:40:05,426 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-09 11:40:05,449 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 11:40:05,449 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 11:40:05,449 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 11:40:05,450 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 11:40:05,450 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 11:40:05,450 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 11:40:05,450 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 11:40:05,450 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 11:40:05,450 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec27_product19_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-12-09 11:40:05,451 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 11:40:05,451 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 11:40:05,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 11:40:05,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 11:40:05,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 11:40:05,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 11:40:05,541 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 11:40:05,544 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 11:40:05,546 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 [2018-12-09 11:40:05,547 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 11:40:05,547 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 11:40:05,547 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 11:40:05,547 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 11:40:05,548 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 11:40:05,549 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 11:40:05,549 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 11:40:05,552 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-09 11:40:05,555 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-09 11:40:05,555 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-12-09 11:40:05,556 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-09 11:40:05,556 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-09 11:40:05,557 INFO L518 LassoAnalysis]: Proved termination. [2018-12-09 11:40:05,557 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2018-12-09 11:40:05,558 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-09 11:40:05,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:40:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:40:05,657 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:40:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:40:05,680 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:40:05,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:40:05,711 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 [2018-12-09 11:40:05,712 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 465 states. Second operand 4 states. [2018-12-09 11:40:05,831 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 465 states.. Second operand 4 states. Result 1998 states and 3462 transitions. Complement of second has 7 states. [2018-12-09 11:40:05,831 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 [2018-12-09 11:40:05,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-09 11:40:05,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1944 transitions. [2018-12-09 11:40:05,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1944 transitions. Stem has 18 letters. Loop has 6 letters. [2018-12-09 11:40:05,836 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 11:40:05,836 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1944 transitions. Stem has 24 letters. Loop has 6 letters. [2018-12-09 11:40:05,836 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 11:40:05,836 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1944 transitions. Stem has 18 letters. Loop has 12 letters. [2018-12-09 11:40:05,836 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 11:40:05,837 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1998 states and 3462 transitions. [2018-12-09 11:40:05,848 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2018-12-09 11:40:05,855 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1998 states to 879 states and 1596 transitions. [2018-12-09 11:40:05,855 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 454 [2018-12-09 11:40:05,856 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 455 [2018-12-09 11:40:05,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 879 states and 1596 transitions. [2018-12-09 11:40:05,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-09 11:40:05,857 INFO L705 BuchiCegarLoop]: Abstraction has 879 states and 1596 transitions. [2018-12-09 11:40:05,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states and 1596 transitions. [2018-12-09 11:40:05,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 456. [2018-12-09 11:40:05,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2018-12-09 11:40:05,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 825 transitions. [2018-12-09 11:40:05,888 INFO L728 BuchiCegarLoop]: Abstraction has 456 states and 825 transitions. [2018-12-09 11:40:05,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 11:40:05,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 11:40:05,891 INFO L87 Difference]: Start difference. First operand 456 states and 825 transitions. Second operand 3 states. [2018-12-09 11:40:05,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:40:05,933 INFO L93 Difference]: Finished difference Result 892 states and 1615 transitions. [2018-12-09 11:40:05,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 11:40:05,934 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 892 states and 1615 transitions. [2018-12-09 11:40:05,939 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 424 [2018-12-09 11:40:05,943 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 892 states to 892 states and 1615 transitions. [2018-12-09 11:40:05,943 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 466 [2018-12-09 11:40:05,944 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 466 [2018-12-09 11:40:05,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 892 states and 1615 transitions. [2018-12-09 11:40:05,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-09 11:40:05,944 INFO L705 BuchiCegarLoop]: Abstraction has 892 states and 1615 transitions. [2018-12-09 11:40:05,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states and 1615 transitions. [2018-12-09 11:40:05,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 455. [2018-12-09 11:40:05,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2018-12-09 11:40:05,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 821 transitions. [2018-12-09 11:40:05,957 INFO L728 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2018-12-09 11:40:05,957 INFO L608 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2018-12-09 11:40:05,957 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-09 11:40:05,957 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 455 states and 821 transitions. [2018-12-09 11:40:05,959 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2018-12-09 11:40:05,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 11:40:05,959 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 11:40:05,959 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] [2018-12-09 11:40:05,959 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:40:05,960 INFO L794 eck$LassoCheckResult]: Stem: 4123#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~__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;call #t~string35.base, #t~string35.offset := #Ultimate.alloc(16);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string41.base, #t~string41.offset := #Ultimate.alloc(44);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(44);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(9);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(11);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(19);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string59.base, #t~string59.offset, 1);call write~init~int(100, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(10, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string62.base, #t~string62.offset, 1);call write~init~int(100, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(10, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string81.base, #t~string81.offset := #Ultimate.alloc(10);call #t~string84.base, #t~string84.offset := #Ultimate.alloc(12);call #t~string87.base, #t~string87.offset := #Ultimate.alloc(10);call #t~string90.base, #t~string90.offset := #Ultimate.alloc(18);call #t~string93.base, #t~string93.offset := #Ultimate.alloc(13);call #t~string96.base, #t~string96.offset := #Ultimate.alloc(16);call #t~string99.base, #t~string99.offset := #Ultimate.alloc(25);call #t~string101.base, #t~string101.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string101.base, #t~string101.offset, 1);call write~init~int(115, #t~string101.base, 1 + #t~string101.offset, 1);call write~init~int(10, #t~string101.base, 2 + #t~string101.offset, 1);call write~init~int(0, #t~string101.base, 3 + #t~string101.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;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string105.base, #t~string105.offset := #Ultimate.alloc(10);call #t~string109.base, #t~string109.offset := #Ultimate.alloc(16);call #t~string114.base, #t~string114.offset := #Ultimate.alloc(20);call #t~string117.base, #t~string117.offset := #Ultimate.alloc(21); 3912#L-1 havoc main_#res;havoc main_#t~ret54, main_~retValue_acc~5, main_~tmp~5;havoc main_~retValue_acc~5;havoc main_~tmp~5; 3913#L477 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 3960#L485 main_#t~ret54 := valid_product_#res;main_~tmp~5 := main_#t~ret54;havoc main_#t~ret54; 4249#L656 assume 0 != main_~tmp~5;havoc setup_#t~nondet49, setup_#t~nondet51, setup_#t~nondet53, 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; 4128#L2191 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4075#L2197-2 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; 4124#L1756 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4060#L1762-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string48.base, #t~string48.offset;havoc setup_#t~nondet49;~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; 4073#L2191-2 assume !(1 == setClientId_~handle); 4113#L2194-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4304#L2197-5 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; 4126#L1756-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4072#L1762-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string50.base, #t~string50.offset;havoc setup_#t~nondet51;~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; 4120#L2191-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4121#L2197-8 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; 4110#L1756-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4111#L1762-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string52.base, #t~string52.offset;havoc setup_#t~nondet53; 3910#L643 havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, 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~7, test_~tmp___0~3, test_~tmp___1~2, 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~7;havoc test_~tmp___0~3;havoc test_~tmp___1~2;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; 3911#L984-1 assume !false; 3923#L839 [2018-12-09 11:40:05,960 INFO L796 eck$LassoCheckResult]: Loop: 3923#L839 assume test_~splverifierCounter~0 < 4; 4025#L840 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 3950#L846 assume !(0 == test_~op1~0); 3952#L859 assume !(0 == test_~op2~0); 4094#L870 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet71;havoc test_#t~nondet71; 4095#L875 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; 4114#L1756-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4115#L1762-11 test_~op3~0 := 1; 3922#L984-1 assume !false; 3923#L839 [2018-12-09 11:40:05,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:40:05,960 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2018-12-09 11:40:05,960 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:40:05,960 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:40:05,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:40:05,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:40:05,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:40:05,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:40:06,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:40:06,019 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:40:06,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 11:40:06,019 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-12-09 11:40:06,019 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:40:06,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2018-12-09 11:40:06,019 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:40:06,019 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:40:06,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:40:06,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:40:06,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:40:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:40:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:40:06,064 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 11:40:06,064 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 11:40:06,064 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 11:40:06,064 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 11:40:06,064 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 11:40:06,064 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 11:40:06,064 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 11:40:06,064 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 11:40:06,064 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec27_product19_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-12-09 11:40:06,064 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 11:40:06,064 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 11:40:06,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 11:40:06,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 11:40:06,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 11:40:06,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 11:40:06,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 11:40:06,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 11:40:06,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 11:40:06,161 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 11:40:06,161 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_06746a64-b575-478e-8326-be62bf58abac/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 [2018-12-09 11:40:06,162 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 11:40:06,163 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_06746a64-b575-478e-8326-be62bf58abac/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 [2018-12-09 11:40:06,181 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 11:40:06,181 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 11:40:06,197 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-09 11:40:06,198 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 11:40:06,198 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 11:40:06,198 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 11:40:06,198 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 11:40:06,199 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 11:40:06,199 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 11:40:06,199 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 11:40:06,199 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 11:40:06,199 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec27_product19_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-12-09 11:40:06,199 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 11:40:06,199 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 11:40:06,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 11:40:06,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 11:40:06,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 11:40:06,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 11:40:06,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 11:40:06,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 11:40:06,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 11:40:06,274 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 11:40:06,274 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 11:40:06,274 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 [2018-12-09 11:40:06,274 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 11:40:06,274 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 11:40:06,275 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 11:40:06,275 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 11:40:06,275 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 11:40:06,275 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 11:40:06,275 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 11:40:06,277 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-09 11:40:06,278 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-09 11:40:06,278 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-12-09 11:40:06,279 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-09 11:40:06,279 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-09 11:40:06,279 INFO L518 LassoAnalysis]: Proved termination. [2018-12-09 11:40:06,279 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2018-12-09 11:40:06,279 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-09 11:40:06,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:40:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:40:06,348 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:40:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:40:06,362 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:40:06,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:40:06,384 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 [2018-12-09 11:40:06,384 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368 Second operand 4 states. [2018-12-09 11:40:06,399 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368. Second operand 4 states. Result 883 states and 1601 transitions. Complement of second has 6 states. [2018-12-09 11:40:06,400 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 [2018-12-09 11:40:06,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-09 11:40:06,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2018-12-09 11:40:06,400 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 9 letters. [2018-12-09 11:40:06,401 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 11:40:06,401 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 29 letters. Loop has 9 letters. [2018-12-09 11:40:06,401 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 11:40:06,401 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 18 letters. [2018-12-09 11:40:06,401 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 11:40:06,401 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 883 states and 1601 transitions. [2018-12-09 11:40:06,404 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-09 11:40:06,404 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 883 states to 0 states and 0 transitions. [2018-12-09 11:40:06,404 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-09 11:40:06,404 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-09 11:40:06,404 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-09 11:40:06,404 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 11:40:06,404 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 11:40:06,405 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 11:40:06,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 11:40:06,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 11:40:06,405 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2018-12-09 11:40:06,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:40:06,405 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-12-09 11:40:06,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 11:40:06,405 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-12-09 11:40:06,405 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-09 11:40:06,405 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 11:40:06,405 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-09 11:40:06,405 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-09 11:40:06,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-09 11:40:06,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 11:40:06,406 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 11:40:06,406 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 11:40:06,406 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 11:40:06,406 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-09 11:40:06,406 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-09 11:40:06,406 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-09 11:40:06,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-09 11:40:06,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.12 11:40:06 BoogieIcfgContainer [2018-12-09 11:40:06,410 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-09 11:40:06,410 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:40:06,410 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:40:06,410 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:40:06,411 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:40:04" (3/4) ... [2018-12-09 11:40:06,413 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 11:40:06,413 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:40:06,413 INFO L168 Benchmark]: Toolchain (without parser) took 2909.85 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 242.7 MB). Free memory was 950.6 MB in the beginning and 966.5 MB in the end (delta: -15.9 MB). Peak memory consumption was 226.9 MB. Max. memory is 11.5 GB. [2018-12-09 11:40:06,414 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-12-09 11:40:06,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 441.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -111.9 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-12-09 11:40:06,415 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:40:06,415 INFO L168 Benchmark]: Boogie Preprocessor took 44.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:40:06,416 INFO L168 Benchmark]: RCFGBuilder took 943.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 855.0 MB in the end (delta: 194.1 MB). Peak memory consumption was 194.1 MB. Max. memory is 11.5 GB. [2018-12-09 11:40:06,416 INFO L168 Benchmark]: BuchiAutomizer took 1412.96 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 122.2 MB). Free memory was 855.0 MB in the beginning and 966.5 MB in the end (delta: -111.5 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. [2018-12-09 11:40:06,416 INFO L168 Benchmark]: Witness Printer took 2.85 ms. Allocated memory is still 1.3 GB. Free memory is still 966.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:40:06,418 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 441.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -111.9 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 943.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 855.0 MB in the end (delta: 194.1 MB). Peak memory consumption was 194.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1412.96 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 122.2 MB). Free memory was 855.0 MB in the beginning and 966.5 MB in the end (delta: -111.5 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.85 ms. Allocated memory is still 1.3 GB. Free memory is still 966.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. 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, 860 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 455 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2823 SDtfs, 2404 SDslu, 3437 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: 11ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...