./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec7_product31_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_cab19098-43e7-4bb2-adab-ae79dcad239e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cab19098-43e7-4bb2-adab-ae79dcad239e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cab19098-43e7-4bb2-adab-ae79dcad239e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cab19098-43e7-4bb2-adab-ae79dcad239e/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product31_false-unreach-call_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cab19098-43e7-4bb2-adab-ae79dcad239e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cab19098-43e7-4bb2-adab-ae79dcad239e/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 24b94c8eef6c1503f3d63487e65d53cb1124c947 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 12:17:45,471 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 12:17:45,472 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 12:17:45,478 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 12:17:45,478 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 12:17:45,479 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 12:17:45,479 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 12:17:45,480 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 12:17:45,481 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 12:17:45,481 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 12:17:45,482 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 12:17:45,482 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 12:17:45,482 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 12:17:45,483 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 12:17:45,483 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 12:17:45,484 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 12:17:45,484 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 12:17:45,485 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 12:17:45,486 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 12:17:45,487 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 12:17:45,488 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 12:17:45,488 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 12:17:45,489 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 12:17:45,489 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 12:17:45,490 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 12:17:45,490 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 12:17:45,491 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 12:17:45,491 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 12:17:45,491 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 12:17:45,492 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 12:17:45,492 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 12:17:45,492 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 12:17:45,492 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 12:17:45,493 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 12:17:45,493 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 12:17:45,493 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 12:17:45,494 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cab19098-43e7-4bb2-adab-ae79dcad239e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-02 12:17:45,501 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 12:17:45,502 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 12:17:45,502 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 12:17:45,502 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 12:17:45,502 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 12:17:45,503 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-02 12:17:45,503 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-02 12:17:45,503 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-02 12:17:45,503 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-02 12:17:45,503 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-02 12:17:45,503 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-02 12:17:45,503 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 12:17:45,503 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 12:17:45,503 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 12:17:45,503 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 12:17:45,503 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 12:17:45,504 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 12:17:45,504 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-02 12:17:45,504 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-02 12:17:45,504 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-02 12:17:45,504 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 12:17:45,504 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 12:17:45,504 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-02 12:17:45,504 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 12:17:45,504 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-02 12:17:45,504 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 12:17:45,505 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 12:17:45,505 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-02 12:17:45,505 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 12:17:45,505 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 12:17:45,505 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-02 12:17:45,505 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-02 12:17:45,505 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_cab19098-43e7-4bb2-adab-ae79dcad239e/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 -> 24b94c8eef6c1503f3d63487e65d53cb1124c947 [2018-12-02 12:17:45,523 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 12:17:45,533 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 12:17:45,535 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 12:17:45,536 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 12:17:45,537 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 12:17:45,537 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cab19098-43e7-4bb2-adab-ae79dcad239e/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/email_spec7_product31_false-unreach-call_true-termination.cil.c [2018-12-02 12:17:45,584 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cab19098-43e7-4bb2-adab-ae79dcad239e/bin-2019/uautomizer/data/19a3265e0/b59135cc699441e39830d9cc083b8ba5/FLAG75d4785c0 [2018-12-02 12:17:45,928 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 12:17:45,928 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cab19098-43e7-4bb2-adab-ae79dcad239e/sv-benchmarks/c/product-lines/email_spec7_product31_false-unreach-call_true-termination.cil.c [2018-12-02 12:17:45,937 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cab19098-43e7-4bb2-adab-ae79dcad239e/bin-2019/uautomizer/data/19a3265e0/b59135cc699441e39830d9cc083b8ba5/FLAG75d4785c0 [2018-12-02 12:17:45,945 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cab19098-43e7-4bb2-adab-ae79dcad239e/bin-2019/uautomizer/data/19a3265e0/b59135cc699441e39830d9cc083b8ba5 [2018-12-02 12:17:45,946 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 12:17:45,947 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 12:17:45,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 12:17:45,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 12:17:45,950 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 12:17:45,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:17:45" (1/1) ... [2018-12-02 12:17:45,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e0d473c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:17:45, skipping insertion in model container [2018-12-02 12:17:45,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:17:45" (1/1) ... [2018-12-02 12:17:45,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 12:17:45,985 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 12:17:46,321 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 12:17:46,331 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 12:17:46,390 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 12:17:46,424 INFO L195 MainTranslator]: Completed translation [2018-12-02 12:17:46,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:17:46 WrapperNode [2018-12-02 12:17:46,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 12:17:46,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 12:17:46,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 12:17:46,425 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 12:17:46,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:17:46" (1/1) ... [2018-12-02 12:17:46,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:17:46" (1/1) ... [2018-12-02 12:17:46,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 12:17:46,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 12:17:46,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 12:17:46,487 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 12:17:46,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:17:46" (1/1) ... [2018-12-02 12:17:46,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:17:46" (1/1) ... [2018-12-02 12:17:46,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:17:46" (1/1) ... [2018-12-02 12:17:46,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:17:46" (1/1) ... [2018-12-02 12:17:46,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:17:46" (1/1) ... [2018-12-02 12:17:46,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:17:46" (1/1) ... [2018-12-02 12:17:46,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:17:46" (1/1) ... [2018-12-02 12:17:46,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 12:17:46,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 12:17:46,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 12:17:46,535 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 12:17:46,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:17:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cab19098-43e7-4bb2-adab-ae79dcad239e/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 12:17:46,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 12:17:46,571 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-12-02 12:17:46,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 12:17:46,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 12:17:46,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 12:17:47,551 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 12:17:47,551 INFO L280 CfgBuilder]: Removed 379 assue(true) statements. [2018-12-02 12:17:47,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:17:47 BoogieIcfgContainer [2018-12-02 12:17:47,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 12:17:47,552 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-02 12:17:47,552 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-02 12:17:47,554 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-02 12:17:47,555 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 12:17:47,555 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 12:17:45" (1/3) ... [2018-12-02 12:17:47,555 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26719fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 12:17:47, skipping insertion in model container [2018-12-02 12:17:47,555 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 12:17:47,556 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:17:46" (2/3) ... [2018-12-02 12:17:47,556 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26719fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 12:17:47, skipping insertion in model container [2018-12-02 12:17:47,556 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 12:17:47,556 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:17:47" (3/3) ... [2018-12-02 12:17:47,557 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec7_product31_false-unreach-call_true-termination.cil.c [2018-12-02 12:17:47,589 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 12:17:47,589 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-02 12:17:47,589 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-02 12:17:47,589 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-02 12:17:47,589 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 12:17:47,589 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 12:17:47,590 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-02 12:17:47,590 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 12:17:47,590 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-02 12:17:47,604 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 561 states. [2018-12-02 12:17:47,638 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2018-12-02 12:17:47,639 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 12:17:47,639 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 12:17:47,644 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:17:47,644 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-12-02 12:17:47,645 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-02 12:17:47,645 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 561 states. [2018-12-02 12:17:47,651 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2018-12-02 12:17:47,651 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 12:17:47,651 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 12:17:47,652 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:17:47,652 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-12-02 12:17:47,656 INFO L794 eck$LassoCheckResult]: Stem: 334#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.alloc(44);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(44);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(9);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(9);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(11);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(19);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string18.base, #t~string18.offset, 1);call write~init~int(100, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(10, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string21.base, #t~string21.offset, 1);call write~init~int(100, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(10, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string29.base, #t~string29.offset := #Ultimate.alloc(10);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(16);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(20);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string73.base, #t~string73.offset := #Ultimate.alloc(30);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(9);call #t~string75.base, #t~string75.offset := #Ultimate.alloc(21);call #t~string76.base, #t~string76.offset := #Ultimate.alloc(30);call #t~string77.base, #t~string77.offset := #Ultimate.alloc(9);call #t~string78.base, #t~string78.offset := #Ultimate.alloc(21);call #t~string82.base, #t~string82.offset := #Ultimate.alloc(30);call #t~string83.base, #t~string83.offset := #Ultimate.alloc(9);call #t~string84.base, #t~string84.offset := #Ultimate.alloc(25);call #t~string85.base, #t~string85.offset := #Ultimate.alloc(30);call #t~string86.base, #t~string86.offset := #Ultimate.alloc(9);call #t~string87.base, #t~string87.offset := #Ultimate.alloc(25);call #t~string91.base, #t~string91.offset := #Ultimate.alloc(10);call #t~string94.base, #t~string94.offset := #Ultimate.alloc(12);call #t~string97.base, #t~string97.offset := #Ultimate.alloc(10);call #t~string100.base, #t~string100.offset := #Ultimate.alloc(18);call #t~string103.base, #t~string103.offset := #Ultimate.alloc(16);call #t~string106.base, #t~string106.offset := #Ultimate.alloc(21);call #t~string109.base, #t~string109.offset := #Ultimate.alloc(13);call #t~string112.base, #t~string112.offset := #Ultimate.alloc(16);call #t~string115.base, #t~string115.offset := #Ultimate.alloc(25);call #t~string119.base, #t~string119.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string119.base, #t~string119.offset, 1);call write~init~int(115, #t~string119.base, 1 + #t~string119.offset, 1);call write~init~int(10, #t~string119.base, 2 + #t~string119.offset, 1);call write~init~int(0, #t~string119.base, 3 + #t~string119.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; 253#L-1true havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 267#L1694true havoc valid_product_#res;havoc valid_product_~retValue_acc~26;havoc valid_product_~retValue_acc~26;valid_product_~retValue_acc~26 := 1;valid_product_#res := valid_product_~retValue_acc~26; 458#L1702true main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 326#L220true assume 0 != main_~tmp~1;havoc setup_#t~nondet8, setup_#t~nondet10, setup_#t~nondet12, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 22#L2757true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 377#L2763-2true 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; 254#L2322true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 122#L2328-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string7.base, #t~string7.offset;havoc setup_#t~nondet8;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3#L2757-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 386#L2763-5true 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; 257#L2322-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 110#L2328-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 7#L2757-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 349#L2763-8true 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; 241#L2322-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 114#L2328-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 307#L207true havoc test_#t~nondet124, test_#t~nondet125, test_#t~nondet126, test_#t~nondet127, test_#t~nondet128, test_#t~nondet129, test_#t~nondet130, test_#t~nondet131, test_#t~nondet132, test_#t~nondet133, test_#t~nondet134, 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~23, test_~tmp___0~8, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, 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~23;havoc test_~tmp___0~8;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;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; 488#L2959-1true [2018-12-02 12:17:47,656 INFO L796 eck$LassoCheckResult]: Loop: 488#L2959-1true assume !false; 455#L2814true assume test_~splverifierCounter~0 < 4; 408#L2815true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 217#L2821true assume !(0 == test_~op1~0); 14#L2834true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet125;havoc test_#t~nondet125; 282#L2839true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 488#L2959-1true [2018-12-02 12:17:47,661 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:17:47,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2018-12-02 12:17:47,663 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:17:47,664 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:17:47,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:17:47,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:17:47,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:17:47,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:17:47,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:17:47,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:17:47,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 12:17:47,816 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-12-02 12:17:47,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:17:47,816 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2018-12-02 12:17:47,816 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:17:47,816 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:17:47,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:17:47,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:17:47,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:17:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:17:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:17:47,874 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 12:17:47,875 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 12:17:47,875 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 12:17:47,875 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 12:17:47,875 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-02 12:17:47,875 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 12:17:47,876 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 12:17:47,876 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 12:17:47,876 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec7_product31_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-12-02 12:17:47,876 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 12:17:47,876 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 12:17:47,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 12:17:47,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 12:17:47,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 12:17:47,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 12:17:47,980 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 12:17:47,981 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cab19098-43e7-4bb2-adab-ae79dcad239e/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 12:17:47,985 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 12:17:47,985 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 12:17:47,993 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-02 12:17:47,993 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet125=-8, ULTIMATE.start_test_~tmp___8~0=-8} Honda state: {ULTIMATE.start_test_#t~nondet125=-8, ULTIMATE.start_test_~tmp___8~0=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cab19098-43e7-4bb2-adab-ae79dcad239e/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 12:17:48,021 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 12:17:48,022 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cab19098-43e7-4bb2-adab-ae79dcad239e/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 12:17:48,039 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-02 12:17:48,039 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 12:17:48,043 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-02 12:17:48,064 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 12:17:48,064 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 12:17:48,064 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 12:17:48,064 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 12:17:48,064 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-02 12:17:48,064 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 12:17:48,064 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 12:17:48,064 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 12:17:48,064 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec7_product31_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-12-02 12:17:48,064 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 12:17:48,065 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 12:17:48,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 12:17:48,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 12:17:48,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 12:17:48,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 12:17:48,125 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 12:17:48,128 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-02 12:17:48,129 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:17:48,130 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:17:48,130 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:17:48,131 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:17:48,131 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:17:48,131 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 12:17:48,132 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 12:17:48,132 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:17:48,135 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-02 12:17:48,137 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-02 12:17:48,137 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-12-02 12:17:48,139 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-02 12:17:48,139 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-02 12:17:48,139 INFO L518 LassoAnalysis]: Proved termination. [2018-12-02 12:17:48,140 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2018-12-02 12:17:48,140 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-02 12:17:48,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:17:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:17:48,249 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 12:17:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:17:48,271 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 12:17:48,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:17:48,303 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-12-02 12:17:48,304 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 561 states. Second operand 4 states. [2018-12-02 12:17:48,451 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 561 states.. Second operand 4 states. Result 2478 states and 4252 transitions. Complement of second has 7 states. [2018-12-02 12:17:48,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-12-02 12:17:48,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-02 12:17:48,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2418 transitions. [2018-12-02 12:17:48,458 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2418 transitions. Stem has 18 letters. Loop has 6 letters. [2018-12-02 12:17:48,459 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 12:17:48,459 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2418 transitions. Stem has 24 letters. Loop has 6 letters. [2018-12-02 12:17:48,460 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 12:17:48,460 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2418 transitions. Stem has 18 letters. Loop has 12 letters. [2018-12-02 12:17:48,460 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 12:17:48,461 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2478 states and 4252 transitions. [2018-12-02 12:17:48,480 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2018-12-02 12:17:48,487 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2478 states to 879 states and 1596 transitions. [2018-12-02 12:17:48,488 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 454 [2018-12-02 12:17:48,489 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 455 [2018-12-02 12:17:48,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 879 states and 1596 transitions. [2018-12-02 12:17:48,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-02 12:17:48,490 INFO L705 BuchiCegarLoop]: Abstraction has 879 states and 1596 transitions. [2018-12-02 12:17:48,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states and 1596 transitions. [2018-12-02 12:17:48,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 456. [2018-12-02 12:17:48,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2018-12-02 12:17:48,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 825 transitions. [2018-12-02 12:17:48,524 INFO L728 BuchiCegarLoop]: Abstraction has 456 states and 825 transitions. [2018-12-02 12:17:48,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 12:17:48,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 12:17:48,528 INFO L87 Difference]: Start difference. First operand 456 states and 825 transitions. Second operand 3 states. [2018-12-02 12:17:48,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:17:48,561 INFO L93 Difference]: Finished difference Result 892 states and 1615 transitions. [2018-12-02 12:17:48,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 12:17:48,562 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 892 states and 1615 transitions. [2018-12-02 12:17:48,568 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 424 [2018-12-02 12:17:48,572 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 892 states to 892 states and 1615 transitions. [2018-12-02 12:17:48,573 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 466 [2018-12-02 12:17:48,573 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 466 [2018-12-02 12:17:48,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 892 states and 1615 transitions. [2018-12-02 12:17:48,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-02 12:17:48,575 INFO L705 BuchiCegarLoop]: Abstraction has 892 states and 1615 transitions. [2018-12-02 12:17:48,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states and 1615 transitions. [2018-12-02 12:17:48,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 455. [2018-12-02 12:17:48,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2018-12-02 12:17:48,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 821 transitions. [2018-12-02 12:17:48,587 INFO L728 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2018-12-02 12:17:48,587 INFO L608 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2018-12-02 12:17:48,587 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-02 12:17:48,587 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 455 states and 821 transitions. [2018-12-02 12:17:48,589 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2018-12-02 12:17:48,589 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 12:17:48,589 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 12:17:48,590 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:17:48,590 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:17:48,590 INFO L794 eck$LassoCheckResult]: Stem: 4666#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.alloc(44);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(44);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(9);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(9);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(11);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(19);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string18.base, #t~string18.offset, 1);call write~init~int(100, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(10, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string21.base, #t~string21.offset, 1);call write~init~int(100, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(10, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string29.base, #t~string29.offset := #Ultimate.alloc(10);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(16);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(20);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string73.base, #t~string73.offset := #Ultimate.alloc(30);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(9);call #t~string75.base, #t~string75.offset := #Ultimate.alloc(21);call #t~string76.base, #t~string76.offset := #Ultimate.alloc(30);call #t~string77.base, #t~string77.offset := #Ultimate.alloc(9);call #t~string78.base, #t~string78.offset := #Ultimate.alloc(21);call #t~string82.base, #t~string82.offset := #Ultimate.alloc(30);call #t~string83.base, #t~string83.offset := #Ultimate.alloc(9);call #t~string84.base, #t~string84.offset := #Ultimate.alloc(25);call #t~string85.base, #t~string85.offset := #Ultimate.alloc(30);call #t~string86.base, #t~string86.offset := #Ultimate.alloc(9);call #t~string87.base, #t~string87.offset := #Ultimate.alloc(25);call #t~string91.base, #t~string91.offset := #Ultimate.alloc(10);call #t~string94.base, #t~string94.offset := #Ultimate.alloc(12);call #t~string97.base, #t~string97.offset := #Ultimate.alloc(10);call #t~string100.base, #t~string100.offset := #Ultimate.alloc(18);call #t~string103.base, #t~string103.offset := #Ultimate.alloc(16);call #t~string106.base, #t~string106.offset := #Ultimate.alloc(21);call #t~string109.base, #t~string109.offset := #Ultimate.alloc(13);call #t~string112.base, #t~string112.offset := #Ultimate.alloc(16);call #t~string115.base, #t~string115.offset := #Ultimate.alloc(25);call #t~string119.base, #t~string119.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string119.base, #t~string119.offset, 1);call write~init~int(115, #t~string119.base, 1 + #t~string119.offset, 1);call write~init~int(10, #t~string119.base, 2 + #t~string119.offset, 1);call write~init~int(0, #t~string119.base, 3 + #t~string119.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; 4518#L-1 havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 4519#L1694 havoc valid_product_#res;havoc valid_product_~retValue_acc~26;havoc valid_product_~retValue_acc~26;valid_product_~retValue_acc~26 := 1;valid_product_#res := valid_product_~retValue_acc~26; 4561#L1702 main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 4641#L220 assume 0 != main_~tmp~1;havoc setup_#t~nondet8, setup_#t~nondet10, setup_#t~nondet12, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4539#L2757 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4540#L2763-2 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; 4526#L2322 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4527#L2328-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string7.base, #t~string7.offset;havoc setup_#t~nondet8;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4486#L2757-2 assume !(1 == setClientId_~handle); 4487#L2760-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4780#L2763-5 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; 4542#L2322-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4543#L2328-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4497#L2757-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4498#L2763-8 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; 4488#L2322-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4489#L2328-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 4629#L207 havoc test_#t~nondet124, test_#t~nondet125, test_#t~nondet126, test_#t~nondet127, test_#t~nondet128, test_#t~nondet129, test_#t~nondet130, test_#t~nondet131, test_#t~nondet132, test_#t~nondet133, test_#t~nondet134, 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~23, test_~tmp___0~8, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, 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~23;havoc test_~tmp___0~8;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;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; 4630#L2959-1 assume !false; 4923#L2814 [2018-12-02 12:17:48,590 INFO L796 eck$LassoCheckResult]: Loop: 4923#L2814 assume test_~splverifierCounter~0 < 4; 4847#L2815 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4848#L2821 assume !(0 == test_~op1~0); 4529#L2834 assume !(0 == test_~op2~0); 4530#L2845 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet126;havoc test_#t~nondet126; 4536#L2850 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; 4500#L2322-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4501#L2328-11 test_~op3~0 := 1; 4669#L2959-1 assume !false; 4923#L2814 [2018-12-02 12:17:48,590 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:17:48,591 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2018-12-02 12:17:48,591 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:17:48,591 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:17:48,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:17:48,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:17:48,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:17:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:17:48,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:17:48,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:17:48,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 12:17:48,650 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-12-02 12:17:48,651 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:17:48,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2018-12-02 12:17:48,651 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:17:48,651 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:17:48,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:17:48,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:17:48,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:17:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:17:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:17:48,714 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 12:17:48,714 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 12:17:48,714 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 12:17:48,714 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 12:17:48,714 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-02 12:17:48,714 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 12:17:48,714 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 12:17:48,714 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 12:17:48,714 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec7_product31_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-12-02 12:17:48,714 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 12:17:48,714 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 12:17:48,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 12:17:48,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 12:17:48,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 12:17:48,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 12:17:48,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 12:17:48,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 12:17:48,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 12:17:48,813 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 12:17:48,814 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cab19098-43e7-4bb2-adab-ae79dcad239e/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 12:17:48,815 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 12:17:48,816 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 12:17:48,820 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-02 12:17:48,820 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___7~0=-8, ULTIMATE.start_test_#t~nondet126=-8} Honda state: {ULTIMATE.start_test_~tmp___7~0=-8, ULTIMATE.start_test_#t~nondet126=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cab19098-43e7-4bb2-adab-ae79dcad239e/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 12:17:48,836 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 12:17:48,836 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cab19098-43e7-4bb2-adab-ae79dcad239e/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 12:17:48,854 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-02 12:17:48,854 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 12:17:48,870 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-02 12:17:48,872 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 12:17:48,872 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 12:17:48,872 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 12:17:48,872 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 12:17:48,872 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-02 12:17:48,872 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 12:17:48,872 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 12:17:48,872 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 12:17:48,872 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec7_product31_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-12-02 12:17:48,872 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 12:17:48,873 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 12:17:48,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 12:17:48,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 12:17:48,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 12:17:48,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 12:17:48,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 12:17:48,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 12:17:48,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 12:17:48,971 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 12:17:48,971 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-02 12:17:48,972 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:17:48,972 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:17:48,972 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:17:48,972 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:17:48,972 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:17:48,972 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 12:17:48,973 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 12:17:48,973 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:17:48,975 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-02 12:17:48,977 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-02 12:17:48,978 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-12-02 12:17:48,978 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-02 12:17:48,978 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-02 12:17:48,978 INFO L518 LassoAnalysis]: Proved termination. [2018-12-02 12:17:48,978 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2018-12-02 12:17:48,978 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-02 12:17:48,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:17:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:17:49,056 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 12:17:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:17:49,074 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 12:17:49,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:17:49,099 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-12-02 12:17:49,100 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368 Second operand 4 states. [2018-12-02 12:17:49,120 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. [2018-12-02 12:17:49,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-12-02 12:17:49,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-02 12:17:49,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2018-12-02 12:17:49,121 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 9 letters. [2018-12-02 12:17:49,121 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 12:17:49,121 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 29 letters. Loop has 9 letters. [2018-12-02 12:17:49,122 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 12:17:49,122 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 18 letters. [2018-12-02 12:17:49,122 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 12:17:49,122 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 883 states and 1601 transitions. [2018-12-02 12:17:49,125 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-02 12:17:49,126 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 883 states to 0 states and 0 transitions. [2018-12-02 12:17:49,126 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-02 12:17:49,126 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-02 12:17:49,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-02 12:17:49,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 12:17:49,126 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 12:17:49,126 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 12:17:49,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 12:17:49,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 12:17:49,126 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2018-12-02 12:17:49,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:17:49,126 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-12-02 12:17:49,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 12:17:49,127 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-12-02 12:17:49,127 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-02 12:17:49,127 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 12:17:49,127 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-02 12:17:49,127 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-02 12:17:49,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-02 12:17:49,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 12:17:49,127 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 12:17:49,127 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 12:17:49,127 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 12:17:49,127 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-02 12:17:49,127 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-02 12:17:49,127 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-02 12:17:49,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-02 12:17:49,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 12:17:49 BoogieIcfgContainer [2018-12-02 12:17:49,132 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-02 12:17:49,132 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 12:17:49,132 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 12:17:49,132 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 12:17:49,133 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:17:47" (3/4) ... [2018-12-02 12:17:49,135 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 12:17:49,135 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 12:17:49,136 INFO L168 Benchmark]: Toolchain (without parser) took 3188.90 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 227.5 MB). Free memory was 954.9 MB in the beginning and 910.3 MB in the end (delta: 44.7 MB). Peak memory consumption was 272.2 MB. Max. memory is 11.5 GB. [2018-12-02 12:17:49,137 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 12:17:49,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -113.9 MB). Peak memory consumption was 42.7 MB. Max. memory is 11.5 GB. [2018-12-02 12:17:49,138 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-12-02 12:17:49,138 INFO L168 Benchmark]: Boogie Preprocessor took 47.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-12-02 12:17:49,138 INFO L168 Benchmark]: RCFGBuilder took 1017.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 813.0 MB in the end (delta: 234.2 MB). Peak memory consumption was 234.2 MB. Max. memory is 11.5 GB. [2018-12-02 12:17:49,139 INFO L168 Benchmark]: BuchiAutomizer took 1580.11 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 104.9 MB). Free memory was 813.0 MB in the beginning and 910.3 MB in the end (delta: -97.3 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2018-12-02 12:17:49,139 INFO L168 Benchmark]: Witness Printer took 3.05 ms. Allocated memory is still 1.3 GB. Free memory is still 910.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 12:17:49,142 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 476.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -113.9 MB). Peak memory consumption was 42.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1017.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 813.0 MB in the end (delta: 234.2 MB). Peak memory consumption was 234.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1580.11 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 104.9 MB). Free memory was 813.0 MB in the beginning and 910.3 MB in the end (delta: -97.3 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.05 ms. Allocated memory is still 1.3 GB. Free memory is still 910.3 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 1.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. 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: 3139 SDtfs, 2720 SDslu, 3911 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 10ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 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...