./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec6_product12_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_fdf649cf-1ed9-43f4-bd85-2a84a26a1e10/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fdf649cf-1ed9-43f4-bd85-2a84a26a1e10/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fdf649cf-1ed9-43f4-bd85-2a84a26a1e10/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fdf649cf-1ed9-43f4-bd85-2a84a26a1e10/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec6_product12_false-unreach-call_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fdf649cf-1ed9-43f4-bd85-2a84a26a1e10/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fdf649cf-1ed9-43f4-bd85-2a84a26a1e10/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 13cbe7a0e7b808e0b8454234f49df6f789dfa071 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 09:24:23,331 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 09:24:23,332 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 09:24:23,338 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 09:24:23,338 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 09:24:23,338 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 09:24:23,339 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 09:24:23,340 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 09:24:23,341 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 09:24:23,341 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 09:24:23,342 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 09:24:23,342 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 09:24:23,342 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 09:24:23,343 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 09:24:23,343 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 09:24:23,344 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 09:24:23,344 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 09:24:23,345 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 09:24:23,346 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 09:24:23,346 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 09:24:23,347 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 09:24:23,348 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 09:24:23,349 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 09:24:23,349 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 09:24:23,349 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 09:24:23,349 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 09:24:23,350 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 09:24:23,350 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 09:24:23,351 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 09:24:23,351 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 09:24:23,351 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 09:24:23,352 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 09:24:23,352 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 09:24:23,352 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 09:24:23,352 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 09:24:23,353 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 09:24:23,353 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fdf649cf-1ed9-43f4-bd85-2a84a26a1e10/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-01 09:24:23,360 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 09:24:23,360 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 09:24:23,361 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 09:24:23,361 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 09:24:23,361 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 09:24:23,361 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-01 09:24:23,361 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-01 09:24:23,362 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-01 09:24:23,362 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-01 09:24:23,362 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-01 09:24:23,362 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-01 09:24:23,362 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 09:24:23,362 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 09:24:23,362 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 09:24:23,362 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 09:24:23,362 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 09:24:23,362 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 09:24:23,362 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-01 09:24:23,363 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-01 09:24:23,363 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-01 09:24:23,363 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 09:24:23,363 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 09:24:23,363 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-01 09:24:23,363 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 09:24:23,363 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-01 09:24:23,363 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 09:24:23,363 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 09:24:23,363 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-01 09:24:23,363 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 09:24:23,364 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 09:24:23,364 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-01 09:24:23,364 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-01 09:24:23,364 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_fdf649cf-1ed9-43f4-bd85-2a84a26a1e10/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 -> 13cbe7a0e7b808e0b8454234f49df6f789dfa071 [2018-12-01 09:24:23,382 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 09:24:23,390 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 09:24:23,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 09:24:23,394 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 09:24:23,394 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 09:24:23,396 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fdf649cf-1ed9-43f4-bd85-2a84a26a1e10/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/email_spec6_product12_false-unreach-call_true-termination.cil.c [2018-12-01 09:24:23,437 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fdf649cf-1ed9-43f4-bd85-2a84a26a1e10/bin-2019/uautomizer/data/57aa9cfa8/b9197b87e0f6454db14f349bf1a4d0a1/FLAG574cf8e3b [2018-12-01 09:24:23,877 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 09:24:23,877 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fdf649cf-1ed9-43f4-bd85-2a84a26a1e10/sv-benchmarks/c/product-lines/email_spec6_product12_false-unreach-call_true-termination.cil.c [2018-12-01 09:24:23,886 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fdf649cf-1ed9-43f4-bd85-2a84a26a1e10/bin-2019/uautomizer/data/57aa9cfa8/b9197b87e0f6454db14f349bf1a4d0a1/FLAG574cf8e3b [2018-12-01 09:24:23,894 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fdf649cf-1ed9-43f4-bd85-2a84a26a1e10/bin-2019/uautomizer/data/57aa9cfa8/b9197b87e0f6454db14f349bf1a4d0a1 [2018-12-01 09:24:23,896 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 09:24:23,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 09:24:23,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 09:24:23,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 09:24:23,900 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 09:24:23,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:24:23" (1/1) ... [2018-12-01 09:24:23,902 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 01.12 09:24:23, skipping insertion in model container [2018-12-01 09:24:23,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:24:23" (1/1) ... [2018-12-01 09:24:23,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 09:24:23,934 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 09:24:24,227 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 09:24:24,238 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 09:24:24,303 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 09:24:24,334 INFO L195 MainTranslator]: Completed translation [2018-12-01 09:24:24,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:24:24 WrapperNode [2018-12-01 09:24:24,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 09:24:24,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 09:24:24,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 09:24:24,335 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 09:24:24,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:24:24" (1/1) ... [2018-12-01 09:24:24,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:24:24" (1/1) ... [2018-12-01 09:24:24,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 09:24:24,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 09:24:24,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 09:24:24,388 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 09:24:24,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:24:24" (1/1) ... [2018-12-01 09:24:24,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:24:24" (1/1) ... [2018-12-01 09:24:24,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:24:24" (1/1) ... [2018-12-01 09:24:24,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:24:24" (1/1) ... [2018-12-01 09:24:24,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:24:24" (1/1) ... [2018-12-01 09:24:24,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:24:24" (1/1) ... [2018-12-01 09:24:24,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:24:24" (1/1) ... [2018-12-01 09:24:24,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 09:24:24,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 09:24:24,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 09:24:24,427 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 09:24:24,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:24:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fdf649cf-1ed9-43f4-bd85-2a84a26a1e10/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 [2018-12-01 09:24:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 09:24:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-12-01 09:24:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 09:24:24,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 09:24:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 09:24:25,312 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 09:24:25,312 INFO L280 CfgBuilder]: Removed 239 assue(true) statements. [2018-12-01 09:24:25,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:24:25 BoogieIcfgContainer [2018-12-01 09:24:25,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 09:24:25,313 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-01 09:24:25,313 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-01 09:24:25,316 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-01 09:24:25,316 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 09:24:25,316 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 09:24:23" (1/3) ... [2018-12-01 09:24:25,317 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31851431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 09:24:25, skipping insertion in model container [2018-12-01 09:24:25,317 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 09:24:25,317 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:24:24" (2/3) ... [2018-12-01 09:24:25,318 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31851431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 09:24:25, skipping insertion in model container [2018-12-01 09:24:25,318 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 09:24:25,318 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:24:25" (3/3) ... [2018-12-01 09:24:25,319 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec6_product12_false-unreach-call_true-termination.cil.c [2018-12-01 09:24:25,356 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 09:24:25,356 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-01 09:24:25,356 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-01 09:24:25,356 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-01 09:24:25,357 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 09:24:25,357 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 09:24:25,357 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-01 09:24:25,357 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 09:24:25,357 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-01 09:24:25,377 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 395 states. [2018-12-01 09:24:25,410 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2018-12-01 09:24:25,410 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 09:24:25,410 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 09:24:25,416 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 09:24:25,416 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-12-01 09:24:25,416 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-01 09:24:25,417 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 395 states. [2018-12-01 09:24:25,425 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2018-12-01 09:24:25,425 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 09:24:25,425 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 09:24:25,427 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 09:24:25,427 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-12-01 09:24:25,432 INFO L794 eck$LassoCheckResult]: Stem: 272#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;call #t~string2.base, #t~string2.offset := #Ultimate.alloc(10);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(12);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(10);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(18);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(16);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(21);~head~0.base, ~head~0.offset := 0, 0;call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(21);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(25);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(25);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string56.base, #t~string56.offset := #Ultimate.alloc(44);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(44);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(11);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(19);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string74.base, #t~string74.offset, 1);call write~init~int(100, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(10, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string77.base, #t~string77.offset, 1);call write~init~int(100, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(10, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 3 + #t~string77.offset, 1);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string86.base, #t~string86.offset := #Ultimate.alloc(10);call #t~string92.base, #t~string92.offset := #Ultimate.alloc(16);call #t~string100.base, #t~string100.offset := #Ultimate.alloc(20);~sent_encrypted~0 := -1;call #t~string102.base, #t~string102.offset := #Ultimate.alloc(13);call #t~string105.base, #t~string105.offset := #Ultimate.alloc(19);call #t~string107.base, #t~string107.offset := #Ultimate.alloc(16);call #t~string109.base, #t~string109.offset := #Ultimate.alloc(19);call #t~string114.base, #t~string114.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string114.base, #t~string114.offset, 1);call write~init~int(115, #t~string114.base, 1 + #t~string114.offset, 1);call write~init~int(10, #t~string114.base, 2 + #t~string114.offset, 1);call write~init~int(0, #t~string114.base, 3 + #t~string114.offset, 1); 220#L-1true havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7; 263#L75true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 332#L83true main_#t~ret69 := valid_product_#res;main_~tmp~7 := main_#t~ret69;havoc main_#t~ret69; 9#L731true assume 0 != main_~tmp~7;havoc setup_#t~nondet64, setup_#t~nondet66, setup_#t~nondet68, 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; 328#L1911true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 144#L1917-2true 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; 156#L1476true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 308#L1482-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string63.base, #t~string63.offset;havoc setup_#t~nondet64;~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; 333#L1911-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 129#L1917-5true 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; 159#L1476-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 313#L1482-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string65.base, #t~string65.offset;havoc setup_#t~nondet66;~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; 321#L1911-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 136#L1917-8true 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; 161#L1476-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 298#L1482-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string67.base, #t~string67.offset;havoc setup_#t~nondet68; 195#L718true havoc test_#t~nondet116, test_#t~nondet117, test_#t~nondet118, test_#t~nondet119, test_#t~nondet120, test_#t~nondet121, test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, test_#t~nondet126, 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~18, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~2, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~18;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~2;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 268#L2819-1true [2018-12-01 09:24:25,432 INFO L796 eck$LassoCheckResult]: Loop: 268#L2819-1true assume !false; 134#L2677true assume test_~splverifierCounter~0 < 4; 200#L2678true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 363#L2684true assume !(0 == test_~op1~0); 277#L2697true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet117;havoc test_#t~nondet117; 4#L2702true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 268#L2819-1true [2018-12-01 09:24:25,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 09:24:25,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2018-12-01 09:24:25,440 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 09:24:25,440 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 09:24:25,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:24:25,472 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 09:24:25,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:24:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 09:24:25,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 09:24:25,626 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 09:24:25,626 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 09:24:25,628 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-12-01 09:24:25,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 09:24:25,629 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2018-12-01 09:24:25,629 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 09:24:25,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 09:24:25,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:24:25,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 09:24:25,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:24:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 09:24:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 09:24:25,687 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 09:24:25,687 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 09:24:25,687 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 09:24:25,688 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 09:24:25,688 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-01 09:24:25,688 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 09:24:25,688 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 09:24:25,688 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 09:24:25,688 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec6_product12_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-12-01 09:24:25,688 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 09:24:25,688 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 09:24:25,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 09:24:25,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 09:24:25,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 09:24:25,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 09:24:25,767 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 09:24:25,767 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fdf649cf-1ed9-43f4-bd85-2a84a26a1e10/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 [2018-12-01 09:24:25,770 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 09:24:25,771 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fdf649cf-1ed9-43f4-bd85-2a84a26a1e10/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 [2018-12-01 09:24:25,788 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-01 09:24:25,788 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 09:24:25,792 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-01 09:24:25,805 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 09:24:25,805 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 09:24:25,805 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 09:24:25,805 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 09:24:25,805 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-01 09:24:25,805 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 09:24:25,806 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 09:24:25,806 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 09:24:25,806 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec6_product12_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-12-01 09:24:25,806 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 09:24:25,806 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 09:24:25,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 09:24:25,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 09:24:25,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 09:24:25,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 09:24:25,874 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 09:24:25,877 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-01 09:24:25,879 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 [2018-12-01 09:24:25,880 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 09:24:25,880 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 09:24:25,881 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 09:24:25,881 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 09:24:25,881 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 09:24:25,882 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 09:24:25,883 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 09:24:25,886 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-01 09:24:25,890 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-01 09:24:25,890 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-12-01 09:24:25,891 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-01 09:24:25,891 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-01 09:24:25,892 INFO L518 LassoAnalysis]: Proved termination. [2018-12-01 09:24:25,892 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2018-12-01 09:24:25,893 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-01 09:24:25,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 09:24:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 09:24:26,034 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 09:24:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 09:24:26,057 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 09:24:26,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 09:24:26,087 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 [2018-12-01 09:24:26,088 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 395 states. Second operand 4 states. [2018-12-01 09:24:26,221 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 395 states.. Second operand 4 states. Result 1652 states and 2894 transitions. Complement of second has 7 states. [2018-12-01 09:24:26,222 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 [2018-12-01 09:24:26,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-01 09:24:26,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1606 transitions. [2018-12-01 09:24:26,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1606 transitions. Stem has 18 letters. Loop has 6 letters. [2018-12-01 09:24:26,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 09:24:26,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1606 transitions. Stem has 24 letters. Loop has 6 letters. [2018-12-01 09:24:26,227 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 09:24:26,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1606 transitions. Stem has 18 letters. Loop has 12 letters. [2018-12-01 09:24:26,227 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 09:24:26,228 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1652 states and 2894 transitions. [2018-12-01 09:24:26,242 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 415 [2018-12-01 09:24:26,251 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1652 states to 863 states and 1568 transitions. [2018-12-01 09:24:26,252 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 446 [2018-12-01 09:24:26,253 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 447 [2018-12-01 09:24:26,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 863 states and 1568 transitions. [2018-12-01 09:24:26,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-01 09:24:26,254 INFO L705 BuchiCegarLoop]: Abstraction has 863 states and 1568 transitions. [2018-12-01 09:24:26,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states and 1568 transitions. [2018-12-01 09:24:26,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 448. [2018-12-01 09:24:26,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2018-12-01 09:24:26,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 811 transitions. [2018-12-01 09:24:26,292 INFO L728 BuchiCegarLoop]: Abstraction has 448 states and 811 transitions. [2018-12-01 09:24:26,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 09:24:26,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 09:24:26,295 INFO L87 Difference]: Start difference. First operand 448 states and 811 transitions. Second operand 3 states. [2018-12-01 09:24:26,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 09:24:26,324 INFO L93 Difference]: Finished difference Result 876 states and 1587 transitions. [2018-12-01 09:24:26,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 09:24:26,324 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 876 states and 1587 transitions. [2018-12-01 09:24:26,327 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 416 [2018-12-01 09:24:26,330 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 876 states to 876 states and 1587 transitions. [2018-12-01 09:24:26,330 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 458 [2018-12-01 09:24:26,331 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 458 [2018-12-01 09:24:26,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 876 states and 1587 transitions. [2018-12-01 09:24:26,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-01 09:24:26,331 INFO L705 BuchiCegarLoop]: Abstraction has 876 states and 1587 transitions. [2018-12-01 09:24:26,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states and 1587 transitions. [2018-12-01 09:24:26,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 447. [2018-12-01 09:24:26,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2018-12-01 09:24:26,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 807 transitions. [2018-12-01 09:24:26,339 INFO L728 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2018-12-01 09:24:26,339 INFO L608 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2018-12-01 09:24:26,339 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-01 09:24:26,339 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 447 states and 807 transitions. [2018-12-01 09:24:26,340 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2018-12-01 09:24:26,340 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 09:24:26,340 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 09:24:26,341 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] [2018-12-01 09:24:26,341 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 09:24:26,341 INFO L794 eck$LassoCheckResult]: Stem: 3771#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;call #t~string2.base, #t~string2.offset := #Ultimate.alloc(10);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(12);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(10);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(18);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(16);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(21);~head~0.base, ~head~0.offset := 0, 0;call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(21);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(25);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(25);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string56.base, #t~string56.offset := #Ultimate.alloc(44);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(44);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(11);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(19);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string74.base, #t~string74.offset, 1);call write~init~int(100, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(10, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string77.base, #t~string77.offset, 1);call write~init~int(100, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(10, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 3 + #t~string77.offset, 1);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string86.base, #t~string86.offset := #Ultimate.alloc(10);call #t~string92.base, #t~string92.offset := #Ultimate.alloc(16);call #t~string100.base, #t~string100.offset := #Ultimate.alloc(20);~sent_encrypted~0 := -1;call #t~string102.base, #t~string102.offset := #Ultimate.alloc(13);call #t~string105.base, #t~string105.offset := #Ultimate.alloc(19);call #t~string107.base, #t~string107.offset := #Ultimate.alloc(16);call #t~string109.base, #t~string109.offset := #Ultimate.alloc(19);call #t~string114.base, #t~string114.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string114.base, #t~string114.offset, 1);call write~init~int(115, #t~string114.base, 1 + #t~string114.offset, 1);call write~init~int(10, #t~string114.base, 2 + #t~string114.offset, 1);call write~init~int(0, #t~string114.base, 3 + #t~string114.offset, 1); 3495#L-1 havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7; 3496#L75 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 3690#L83 main_#t~ret69 := valid_product_#res;main_~tmp~7 := main_#t~ret69;havoc main_#t~ret69; 3507#L731 assume 0 != main_~tmp~7;havoc setup_#t~nondet64, setup_#t~nondet66, setup_#t~nondet68, 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; 3508#L1911 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3671#L1917-2 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; 3878#L1476 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3660#L1482-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string63.base, #t~string63.offset;havoc setup_#t~nondet64;~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; 3877#L1911-2 assume !(1 == setClientId_~handle); 3608#L1914-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 3609#L1917-5 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; 3858#L1476-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3674#L1482-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string65.base, #t~string65.offset;havoc setup_#t~nondet66;~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; 3879#L1911-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3612#L1917-8 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; 3872#L1476-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3596#L1482-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string67.base, #t~string67.offset;havoc setup_#t~nondet68; 3859#L718 havoc test_#t~nondet116, test_#t~nondet117, test_#t~nondet118, test_#t~nondet119, test_#t~nondet120, test_#t~nondet121, test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, test_#t~nondet126, 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~18, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~2, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~18;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~2;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 3914#L2819-1 assume !false; 3712#L2677 [2018-12-01 09:24:26,341 INFO L796 eck$LassoCheckResult]: Loop: 3712#L2677 assume test_~splverifierCounter~0 < 4; 3864#L2678 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 3904#L2684 assume !(0 == test_~op1~0); 3788#L2697 assume !(0 == test_~op2~0); 3475#L2708 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet118;havoc test_#t~nondet118; 3479#L2713 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; 3481#L1476-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3614#L1482-11 test_~op3~0 := 1; 3711#L2819-1 assume !false; 3712#L2677 [2018-12-01 09:24:26,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 09:24:26,341 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2018-12-01 09:24:26,341 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 09:24:26,341 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 09:24:26,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:24:26,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 09:24:26,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:24:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 09:24:26,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 09:24:26,395 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 09:24:26,395 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 09:24:26,396 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-12-01 09:24:26,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 09:24:26,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2018-12-01 09:24:26,396 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 09:24:26,396 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 09:24:26,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:24:26,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 09:24:26,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:24:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 09:24:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 09:24:26,442 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 09:24:26,442 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 09:24:26,442 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 09:24:26,442 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 09:24:26,442 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-01 09:24:26,442 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 09:24:26,442 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 09:24:26,443 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 09:24:26,443 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec6_product12_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-12-01 09:24:26,443 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 09:24:26,443 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 09:24:26,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 09:24:26,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 09:24:26,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 09:24:26,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 09:24:26,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 09:24:26,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 09:24:26,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 09:24:26,529 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 09:24:26,529 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fdf649cf-1ed9-43f4-bd85-2a84a26a1e10/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 [2018-12-01 09:24:26,534 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 09:24:26,535 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fdf649cf-1ed9-43f4-bd85-2a84a26a1e10/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 [2018-12-01 09:24:26,557 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-01 09:24:26,557 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 09:24:26,583 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-01 09:24:26,585 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 09:24:26,585 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 09:24:26,585 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 09:24:26,585 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 09:24:26,585 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-01 09:24:26,585 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 09:24:26,585 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 09:24:26,586 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 09:24:26,586 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec6_product12_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-12-01 09:24:26,586 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 09:24:26,586 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 09:24:26,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 09:24:26,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 09:24:26,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 09:24:26,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 09:24:26,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 09:24:26,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 09:24:26,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 09:24:26,674 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 09:24:26,674 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-01 09:24:26,675 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 [2018-12-01 09:24:26,675 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 09:24:26,675 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 09:24:26,675 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 09:24:26,675 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 09:24:26,675 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 09:24:26,675 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 09:24:26,676 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 09:24:26,677 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-01 09:24:26,679 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-01 09:24:26,679 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-12-01 09:24:26,679 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-01 09:24:26,679 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-01 09:24:26,679 INFO L518 LassoAnalysis]: Proved termination. [2018-12-01 09:24:26,679 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2018-12-01 09:24:26,679 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-01 09:24:26,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 09:24:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 09:24:26,760 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 09:24:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 09:24:26,775 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 09:24:26,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 09:24:26,795 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 [2018-12-01 09:24:26,796 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362 Second operand 4 states. [2018-12-01 09:24:26,821 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362. Second operand 4 states. Result 867 states and 1573 transitions. Complement of second has 6 states. [2018-12-01 09:24:26,821 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 [2018-12-01 09:24:26,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-01 09:24:26,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 426 transitions. [2018-12-01 09:24:26,822 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 9 letters. [2018-12-01 09:24:26,823 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 09:24:26,823 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 29 letters. Loop has 9 letters. [2018-12-01 09:24:26,823 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 09:24:26,823 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 18 letters. [2018-12-01 09:24:26,823 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 09:24:26,824 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 867 states and 1573 transitions. [2018-12-01 09:24:26,828 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-01 09:24:26,828 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 867 states to 0 states and 0 transitions. [2018-12-01 09:24:26,828 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-01 09:24:26,828 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-01 09:24:26,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-01 09:24:26,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 09:24:26,829 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 09:24:26,829 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 09:24:26,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 09:24:26,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 09:24:26,829 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2018-12-01 09:24:26,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 09:24:26,829 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-12-01 09:24:26,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 09:24:26,830 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-12-01 09:24:26,830 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-01 09:24:26,830 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 09:24:26,830 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-01 09:24:26,830 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-01 09:24:26,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-01 09:24:26,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 09:24:26,830 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 09:24:26,830 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 09:24:26,830 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 09:24:26,830 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-01 09:24:26,830 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-01 09:24:26,830 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-01 09:24:26,831 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-01 09:24:26,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 09:24:26 BoogieIcfgContainer [2018-12-01 09:24:26,836 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-01 09:24:26,836 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 09:24:26,836 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 09:24:26,836 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 09:24:26,836 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:24:25" (3/4) ... [2018-12-01 09:24:26,839 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 09:24:26,839 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 09:24:26,839 INFO L168 Benchmark]: Toolchain (without parser) took 2942.76 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 235.9 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -51.7 MB). Peak memory consumption was 184.3 MB. Max. memory is 11.5 GB. [2018-12-01 09:24:26,840 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 09:24:26,840 INFO L168 Benchmark]: CACSL2BoogieTranslator took 436.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -121.8 MB). Peak memory consumption was 41.8 MB. Max. memory is 11.5 GB. [2018-12-01 09:24:26,841 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.37 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-01 09:24:26,841 INFO L168 Benchmark]: Boogie Preprocessor took 38.83 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-01 09:24:26,841 INFO L168 Benchmark]: RCFGBuilder took 885.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 878.5 MB in the end (delta: 179.8 MB). Peak memory consumption was 179.8 MB. Max. memory is 11.5 GB. [2018-12-01 09:24:26,842 INFO L168 Benchmark]: BuchiAutomizer took 1522.73 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 111.1 MB). Free memory was 878.5 MB in the beginning and 1.0 GB in the end (delta: -123.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 09:24:26,842 INFO L168 Benchmark]: Witness Printer took 2.94 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 09:24:26,844 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 436.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -121.8 MB). Peak memory consumption was 41.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.37 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.83 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 885.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 878.5 MB in the end (delta: 179.8 MB). Peak memory consumption was 179.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1522.73 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 111.1 MB). Free memory was 878.5 MB in the beginning and 1.0 GB in the end (delta: -123.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 2.94 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s 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, 844 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 447 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2572 SDtfs, 2160 SDslu, 3071 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 13ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...