./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product36_true-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_369ce037-e422-4dfc-be37-75c2c1c2df5a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_369ce037-e422-4dfc-be37-75c2c1c2df5a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_369ce037-e422-4dfc-be37-75c2c1c2df5a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_369ce037-e422-4dfc-be37-75c2c1c2df5a/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product36_true-unreach-call_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_369ce037-e422-4dfc-be37-75c2c1c2df5a/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_369ce037-e422-4dfc-be37-75c2c1c2df5a/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 4137c2c028a165c0c909573a8e09d7a173ab4e13 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:43:52,043 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:43:52,044 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:43:52,052 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:43:52,052 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:43:52,053 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:43:52,054 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:43:52,055 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:43:52,056 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:43:52,057 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:43:52,057 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:43:52,058 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:43:52,058 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:43:52,059 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:43:52,060 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:43:52,060 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:43:52,061 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:43:52,062 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:43:52,064 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:43:52,065 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:43:52,066 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:43:52,067 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:43:52,068 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:43:52,068 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:43:52,069 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:43:52,069 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:43:52,070 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:43:52,071 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:43:52,071 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:43:52,072 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:43:52,072 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:43:52,073 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:43:52,073 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:43:52,073 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:43:52,073 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:43:52,074 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:43:52,074 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_369ce037-e422-4dfc-be37-75c2c1c2df5a/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 12:43:52,085 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:43:52,085 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:43:52,086 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:43:52,086 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:43:52,086 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:43:52,087 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 12:43:52,087 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 12:43:52,087 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 12:43:52,087 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 12:43:52,087 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 12:43:52,087 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 12:43:52,087 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:43:52,088 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:43:52,088 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:43:52,088 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:43:52,088 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:43:52,088 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:43:52,088 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 12:43:52,088 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 12:43:52,089 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 12:43:52,089 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:43:52,089 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:43:52,089 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 12:43:52,089 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:43:52,089 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 12:43:52,089 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:43:52,090 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:43:52,090 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 12:43:52,090 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:43:52,090 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:43:52,090 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 12:43:52,091 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 12:43:52,091 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_369ce037-e422-4dfc-be37-75c2c1c2df5a/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 -> 4137c2c028a165c0c909573a8e09d7a173ab4e13 [2018-11-28 12:43:52,114 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:43:52,121 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:43:52,123 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:43:52,124 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:43:52,124 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:43:52,125 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_369ce037-e422-4dfc-be37-75c2c1c2df5a/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/email_spec11_product36_true-unreach-call_true-termination.cil.c [2018-11-28 12:43:52,163 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_369ce037-e422-4dfc-be37-75c2c1c2df5a/bin-2019/uautomizer/data/904a8c2f3/292480dd401c4847be95480845f7b200/FLAGdd93adf42 [2018-11-28 12:43:52,557 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:43:52,557 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_369ce037-e422-4dfc-be37-75c2c1c2df5a/sv-benchmarks/c/product-lines/email_spec11_product36_true-unreach-call_true-termination.cil.c [2018-11-28 12:43:52,570 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_369ce037-e422-4dfc-be37-75c2c1c2df5a/bin-2019/uautomizer/data/904a8c2f3/292480dd401c4847be95480845f7b200/FLAGdd93adf42 [2018-11-28 12:43:52,924 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_369ce037-e422-4dfc-be37-75c2c1c2df5a/bin-2019/uautomizer/data/904a8c2f3/292480dd401c4847be95480845f7b200 [2018-11-28 12:43:52,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:43:52,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:43:52,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:43:52,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:43:52,930 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:43:52,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:43:52" (1/1) ... [2018-11-28 12:43:52,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64da3a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:43:52, skipping insertion in model container [2018-11-28 12:43:52,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:43:52" (1/1) ... [2018-11-28 12:43:52,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:43:52,986 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:43:53,385 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:43:53,398 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:43:53,470 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:43:53,502 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:43:53,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:43:53 WrapperNode [2018-11-28 12:43:53,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:43:53,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:43:53,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:43:53,503 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:43:53,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:43:53" (1/1) ... [2018-11-28 12:43:53,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:43:53" (1/1) ... [2018-11-28 12:43:53,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:43:53,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:43:53,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:43:53,589 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:43:53,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:43:53" (1/1) ... [2018-11-28 12:43:53,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:43:53" (1/1) ... [2018-11-28 12:43:53,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:43:53" (1/1) ... [2018-11-28 12:43:53,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:43:53" (1/1) ... [2018-11-28 12:43:53,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:43:53" (1/1) ... [2018-11-28 12:43:53,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:43:53" (1/1) ... [2018-11-28 12:43:53,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:43:53" (1/1) ... [2018-11-28 12:43:53,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:43:53,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:43:53,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:43:53,658 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:43:53,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:43:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_369ce037-e422-4dfc-be37-75c2c1c2df5a/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:43:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:43:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-28 12:43:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:43:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:43:53,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:43:54,923 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:43:54,924 INFO L280 CfgBuilder]: Removed 405 assue(true) statements. [2018-11-28 12:43:54,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:43:54 BoogieIcfgContainer [2018-11-28 12:43:54,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:43:54,925 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 12:43:54,925 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 12:43:54,928 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 12:43:54,928 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:43:54,929 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 12:43:52" (1/3) ... [2018-11-28 12:43:54,929 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43ff4a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:43:54, skipping insertion in model container [2018-11-28 12:43:54,929 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:43:54,930 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:43:53" (2/3) ... [2018-11-28 12:43:54,930 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43ff4a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:43:54, skipping insertion in model container [2018-11-28 12:43:54,930 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:43:54,930 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:43:54" (3/3) ... [2018-11-28 12:43:54,931 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec11_product36_true-unreach-call_true-termination.cil.c [2018-11-28 12:43:54,976 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:43:54,977 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 12:43:54,977 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 12:43:54,977 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 12:43:54,978 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:43:54,978 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:43:54,978 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 12:43:54,978 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:43:54,978 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 12:43:55,001 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 471 states. [2018-11-28 12:43:55,040 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2018-11-28 12:43:55,041 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:43:55,041 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:43:55,048 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:43:55,049 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-11-28 12:43:55,049 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 12:43:55,049 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 471 states. [2018-11-28 12:43:55,058 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2018-11-28 12:43:55,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:43:55,058 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:43:55,059 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:43:55,059 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-11-28 12:43:55,064 INFO L794 eck$LassoCheckResult]: Stem: 338#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.alloc(44);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(44);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(11);~__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;call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string64.base, #t~string64.offset, 1);call write~init~int(115, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(10, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.alloc(10);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(34);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(30);call #t~string78.base, #t~string78.offset := #Ultimate.alloc(16);call #t~string84.base, #t~string84.offset := #Ultimate.alloc(22);call #t~string87.base, #t~string87.offset := #Ultimate.alloc(21);call #t~string89.base, #t~string89.offset := #Ultimate.alloc(20);call #t~string93.base, #t~string93.offset := #Ultimate.alloc(10);call #t~string96.base, #t~string96.offset := #Ultimate.alloc(12);call #t~string99.base, #t~string99.offset := #Ultimate.alloc(10);call #t~string102.base, #t~string102.offset := #Ultimate.alloc(18); 251#L-1true havoc main_#res;havoc main_#t~nondet49, main_#t~ret50, main_~retValue_acc~16, main_~tmp~4;main_~retValue_acc~16 := main_#t~nondet49;havoc main_#t~nondet49;havoc main_~tmp~4; 88#L853true havoc valid_product_#res;havoc valid_product_~retValue_acc~15;havoc valid_product_~retValue_acc~15;valid_product_~retValue_acc~15 := 1;valid_product_#res := valid_product_~retValue_acc~15; 209#L861true main_#t~ret50 := valid_product_#res;main_~tmp~4 := main_#t~ret50;havoc main_#t~ret50; 373#L990true assume 0 != main_~tmp~4;havoc setup_#t~nondet44, setup_#t~nondet46, setup_#t~nondet48, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.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_tmp3~2.base, setup_~__cil_tmp3~2.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;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 308#L2299true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 33#L2305-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string43.base, #t~string43.offset;havoc setup_#t~nondet44;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 296#L2299-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 24#L2305-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string45.base, #t~string45.offset;havoc setup_#t~nondet46;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 297#L2299-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 10#L2305-8true setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string47.base, #t~string47.offset;havoc setup_#t~nondet48; 452#L977true havoc test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, 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~5, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 89#L1205-1true [2018-11-28 12:43:55,064 INFO L796 eck$LassoCheckResult]: Loop: 89#L1205-1true assume !false; 384#L1075true assume test_~splverifierCounter~0 < 4; 449#L1076true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 166#L1082true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet51;havoc test_#t~nondet51; 386#L1086true assume 0 != test_~tmp___9~0;test_~op1~0 := 1; 89#L1205-1true [2018-11-28 12:43:55,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:43:55,074 INFO L82 PathProgramCache]: Analyzing trace with hash -580026000, now seen corresponding path program 1 times [2018-11-28 12:43:55,076 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:43:55,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:43:55,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:43:55,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:43:55,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:43:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:43:55,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:43:55,238 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:43:55,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:43:55,240 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 12:43:55,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:43:55,241 INFO L82 PathProgramCache]: Analyzing trace with hash 103192148, now seen corresponding path program 1 times [2018-11-28 12:43:55,241 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:43:55,241 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:43:55,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:43:55,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:43:55,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:43:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:43:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:43:55,309 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:43:55,311 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:43:55,311 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:43:55,311 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:43:55,311 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 12:43:55,311 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:43:55,311 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:43:55,311 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:43:55,312 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec11_product36_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 12:43:55,312 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:43:55,312 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:43:55,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:43:55,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:43:55,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:43:55,410 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:43:55,410 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_369ce037-e422-4dfc-be37-75c2c1c2df5a/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:43:55,414 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:43:55,414 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_369ce037-e422-4dfc-be37-75c2c1c2df5a/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:43:55,440 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 12:43:55,440 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:43:55,447 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 12:43:55,467 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:43:55,467 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:43:55,468 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:43:55,468 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:43:55,468 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 12:43:55,468 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:43:55,468 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:43:55,468 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:43:55,468 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec11_product36_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 12:43:55,468 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:43:55,468 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:43:55,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:43:55,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:43:55,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:43:55,532 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:43:55,535 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 12:43:55,536 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:43:55,537 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:43:55,537 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:43:55,537 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:43:55,537 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:43:55,538 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:43:55,539 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:43:55,540 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:43:55,544 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 12:43:55,548 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 12:43:55,548 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 12:43:55,550 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 12:43:55,550 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 12:43:55,551 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 12:43:55,551 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] [2018-11-28 12:43:55,552 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 12:43:55,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:43:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:43:55,665 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:43:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:43:55,723 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:43:55,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:43:55,754 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-28 12:43:55,755 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 471 states. Second operand 4 states. [2018-11-28 12:43:55,916 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 471 states.. Second operand 4 states. Result 2212 states and 3689 transitions. Complement of second has 7 states. [2018-11-28 12:43:55,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 12:43:55,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 12:43:55,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2175 transitions. [2018-11-28 12:43:55,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2175 transitions. Stem has 12 letters. Loop has 5 letters. [2018-11-28 12:43:55,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:43:55,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2175 transitions. Stem has 17 letters. Loop has 5 letters. [2018-11-28 12:43:55,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:43:55,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2175 transitions. Stem has 12 letters. Loop has 10 letters. [2018-11-28 12:43:55,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:43:55,925 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2212 states and 3689 transitions. [2018-11-28 12:43:55,945 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 151 [2018-11-28 12:43:55,951 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2212 states to 323 states and 591 transitions. [2018-11-28 12:43:55,952 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 170 [2018-11-28 12:43:55,953 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 171 [2018-11-28 12:43:55,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 323 states and 591 transitions. [2018-11-28 12:43:55,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 12:43:55,954 INFO L705 BuchiCegarLoop]: Abstraction has 323 states and 591 transitions. [2018-11-28 12:43:55,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states and 591 transitions. [2018-11-28 12:43:55,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 172. [2018-11-28 12:43:55,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-11-28 12:43:55,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 312 transitions. [2018-11-28 12:43:55,988 INFO L728 BuchiCegarLoop]: Abstraction has 172 states and 312 transitions. [2018-11-28 12:43:55,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:43:55,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:43:55,993 INFO L87 Difference]: Start difference. First operand 172 states and 312 transitions. Second operand 3 states. [2018-11-28 12:43:56,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:43:56,018 INFO L93 Difference]: Finished difference Result 328 states and 596 transitions. [2018-11-28 12:43:56,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:43:56,023 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 328 states and 596 transitions. [2018-11-28 12:43:56,025 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 152 [2018-11-28 12:43:56,027 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 328 states to 328 states and 596 transitions. [2018-11-28 12:43:56,028 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 174 [2018-11-28 12:43:56,028 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 174 [2018-11-28 12:43:56,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 328 states and 596 transitions. [2018-11-28 12:43:56,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 12:43:56,029 INFO L705 BuchiCegarLoop]: Abstraction has 328 states and 596 transitions. [2018-11-28 12:43:56,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states and 596 transitions. [2018-11-28 12:43:56,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 171. [2018-11-28 12:43:56,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-11-28 12:43:56,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 308 transitions. [2018-11-28 12:43:56,037 INFO L728 BuchiCegarLoop]: Abstraction has 171 states and 308 transitions. [2018-11-28 12:43:56,037 INFO L608 BuchiCegarLoop]: Abstraction has 171 states and 308 transitions. [2018-11-28 12:43:56,037 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 12:43:56,037 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 171 states and 308 transitions. [2018-11-28 12:43:56,038 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2018-11-28 12:43:56,039 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:43:56,039 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:43:56,040 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:43:56,040 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:43:56,040 INFO L794 eck$LassoCheckResult]: Stem: 3350#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.alloc(44);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(44);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(11);~__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;call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string64.base, #t~string64.offset, 1);call write~init~int(115, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(10, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.alloc(10);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(34);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(30);call #t~string78.base, #t~string78.offset := #Ultimate.alloc(16);call #t~string84.base, #t~string84.offset := #Ultimate.alloc(22);call #t~string87.base, #t~string87.offset := #Ultimate.alloc(21);call #t~string89.base, #t~string89.offset := #Ultimate.alloc(20);call #t~string93.base, #t~string93.offset := #Ultimate.alloc(10);call #t~string96.base, #t~string96.offset := #Ultimate.alloc(12);call #t~string99.base, #t~string99.offset := #Ultimate.alloc(10);call #t~string102.base, #t~string102.offset := #Ultimate.alloc(18); 3307#L-1 havoc main_#res;havoc main_#t~nondet49, main_#t~ret50, main_~retValue_acc~16, main_~tmp~4;main_~retValue_acc~16 := main_#t~nondet49;havoc main_#t~nondet49;havoc main_~tmp~4; 3308#L853 havoc valid_product_#res;havoc valid_product_~retValue_acc~15;havoc valid_product_~retValue_acc~15;valid_product_~retValue_acc~15 := 1;valid_product_#res := valid_product_~retValue_acc~15; 3405#L861 main_#t~ret50 := valid_product_#res;main_~tmp~4 := main_#t~ret50;havoc main_#t~ret50; 3412#L990 assume 0 != main_~tmp~4;havoc setup_#t~nondet44, setup_#t~nondet46, setup_#t~nondet48, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.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_tmp3~2.base, setup_~__cil_tmp3~2.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;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3429#L2299 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3402#L2305-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string43.base, #t~string43.offset;havoc setup_#t~nondet44;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3406#L2299-2 assume !(1 == setClientId_~handle); 3419#L2302-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 3365#L2305-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string45.base, #t~string45.offset;havoc setup_#t~nondet46;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3366#L2299-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3332#L2305-8 setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string47.base, #t~string47.offset;havoc setup_#t~nondet48; 3333#L977 havoc test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, 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~5, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 3361#L1205-1 assume !false; 3313#L1075 [2018-11-28 12:43:56,040 INFO L796 eck$LassoCheckResult]: Loop: 3313#L1075 assume test_~splverifierCounter~0 < 4; 3314#L1076 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 3326#L1082 assume !(0 == test_~op1~0); 3318#L1092 assume !(0 == test_~op2~0); 3310#L1106 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet53;havoc test_#t~nondet53; 3285#L1111 assume 0 != test_~tmp___7~0;test_~op3~0 := 1; 3275#L1205-1 assume !false; 3313#L1075 [2018-11-28 12:43:56,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:43:56,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1897365039, now seen corresponding path program 1 times [2018-11-28 12:43:56,041 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:43:56,041 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:43:56,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:43:56,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:43:56,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:43:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:43:56,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:43:56,099 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:43:56,099 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:43:56,099 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 12:43:56,099 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:43:56,100 INFO L82 PathProgramCache]: Analyzing trace with hash -235666265, now seen corresponding path program 1 times [2018-11-28 12:43:56,100 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:43:56,100 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:43:56,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:43:56,100 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:43:56,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:43:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:43:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:43:56,143 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:43:56,143 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:43:56,144 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:43:56,144 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:43:56,144 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 12:43:56,144 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:43:56,144 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:43:56,144 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:43:56,144 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec11_product36_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 12:43:56,144 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:43:56,144 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:43:56,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:43:56,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:43:56,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:43:56,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:43:56,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:43:56,239 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:43:56,239 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_369ce037-e422-4dfc-be37-75c2c1c2df5a/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:43:56,242 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:43:56,243 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:43:56,251 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 12:43:56,251 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=7} Honda state: {ULTIMATE.start_test_~op1~0=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_369ce037-e422-4dfc-be37-75c2c1c2df5a/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:43:56,268 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:43:56,268 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_369ce037-e422-4dfc-be37-75c2c1c2df5a/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:43:56,285 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 12:43:56,285 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:43:56,315 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 12:43:56,316 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:43:56,316 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:43:56,316 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:43:56,316 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:43:56,317 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 12:43:56,317 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:43:56,317 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:43:56,317 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:43:56,317 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec11_product36_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 12:43:56,317 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:43:56,317 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:43:56,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:43:56,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:43:56,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:43:56,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:43:56,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:43:56,425 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:43:56,425 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 12:43:56,425 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:43:56,426 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:43:56,426 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:43:56,426 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:43:56,426 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 12:43:56,426 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:43:56,427 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:43:56,427 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:43:56,428 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:43:56,428 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 12:43:56,428 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:43:56,428 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:43:56,429 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:43:56,429 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:43:56,429 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:43:56,429 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:43:56,429 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:43:56,432 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 12:43:56,434 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 12:43:56,434 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 12:43:56,435 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 12:43:56,435 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 12:43:56,435 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 12:43:56,435 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2018-11-28 12:43:56,435 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 12:43:56,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:43:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:43:56,510 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:43:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:43:56,526 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:43:56,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:43:56,544 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-11-28 12:43:56,545 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 171 states and 308 transitions. cyclomatic complexity: 139 Second operand 4 states. [2018-11-28 12:43:56,555 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 171 states and 308 transitions. cyclomatic complexity: 139. Second operand 4 states. Result 327 states and 596 transitions. Complement of second has 6 states. [2018-11-28 12:43:56,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 12:43:56,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 12:43:56,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 166 transitions. [2018-11-28 12:43:56,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 166 transitions. Stem has 14 letters. Loop has 7 letters. [2018-11-28 12:43:56,556 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:43:56,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 166 transitions. Stem has 21 letters. Loop has 7 letters. [2018-11-28 12:43:56,557 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:43:56,557 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 166 transitions. Stem has 14 letters. Loop has 14 letters. [2018-11-28 12:43:56,557 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:43:56,557 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 327 states and 596 transitions. [2018-11-28 12:43:56,559 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 12:43:56,559 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 327 states to 0 states and 0 transitions. [2018-11-28 12:43:56,559 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 12:43:56,559 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 12:43:56,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 12:43:56,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:43:56,559 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:43:56,559 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:43:56,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:43:56,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:43:56,560 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2018-11-28 12:43:56,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:43:56,560 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-28 12:43:56,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 12:43:56,560 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-28 12:43:56,560 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 12:43:56,560 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:43:56,560 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 12:43:56,561 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 12:43:56,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 12:43:56,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:43:56,561 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:43:56,561 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:43:56,561 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:43:56,561 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 12:43:56,561 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:43:56,561 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 12:43:56,561 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 12:43:56,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 12:43:56 BoogieIcfgContainer [2018-11-28 12:43:56,566 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 12:43:56,566 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:43:56,566 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:43:56,567 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:43:56,568 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:43:54" (3/4) ... [2018-11-28 12:43:56,570 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 12:43:56,570 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:43:56,571 INFO L168 Benchmark]: Toolchain (without parser) took 3644.76 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 239.6 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -88.9 MB). Peak memory consumption was 150.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:43:56,572 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:43:56,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 574.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 45.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:43:56,573 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:43:56,574 INFO L168 Benchmark]: Boogie Preprocessor took 68.07 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:43:56,574 INFO L168 Benchmark]: RCFGBuilder took 1266.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 887.6 MB in the end (delta: 192.3 MB). Peak memory consumption was 192.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:43:56,574 INFO L168 Benchmark]: BuchiAutomizer took 1641.35 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 102.2 MB). Free memory was 884.0 MB in the beginning and 1.0 GB in the end (delta: -160.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:43:56,575 INFO L168 Benchmark]: Witness Printer took 4.37 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. [2018-11-28 12:43:56,578 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 574.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 45.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.07 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1266.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 887.6 MB in the end (delta: 192.3 MB). Peak memory consumption was 192.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1641.35 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 102.2 MB). Free memory was 884.0 MB in the beginning and 1.0 GB in the end (delta: -160.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.37 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 * op1 + 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 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s 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, 308 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 171 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2004 SDtfs, 1844 SDslu, 2679 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: inital27 mio100 ax100 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 2ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...