./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec7_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0c101b45-1981-488c-a1ec-dbf8daabb54d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0c101b45-1981-488c-a1ec-dbf8daabb54d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0c101b45-1981-488c-a1ec-dbf8daabb54d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0c101b45-1981-488c-a1ec-dbf8daabb54d/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0c101b45-1981-488c-a1ec-dbf8daabb54d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0c101b45-1981-488c-a1ec-dbf8daabb54d/bin/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 7c2cb3a13a9a17f32fb5c2fee33321c25b1f2f51 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:56:51,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:51,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:51,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:51,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:51,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:51,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:51,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:51,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:51,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:51,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:51,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:51,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:51,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:51,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:51,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:51,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:51,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:51,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:51,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:51,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:51,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:51,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:51,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:51,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:51,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:51,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:51,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:51,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:51,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:51,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:51,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:51,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:51,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:51,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:51,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:51,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:51,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:51,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:51,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:51,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:51,106 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0c101b45-1981-488c-a1ec-dbf8daabb54d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:56:51,124 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:51,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:51,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:51,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:51,126 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:51,126 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:56:51,127 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:56:51,127 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:56:51,127 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:56:51,127 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:56:51,127 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:56:51,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:51,128 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:56:51,128 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:56:51,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:51,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:56:51,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:51,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:56:51,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:56:51,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:56:51,129 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:56:51,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:51,130 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:56:51,130 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:51,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:56:51,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:51,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:51,131 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:56:51,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:51,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:51,131 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:56:51,132 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:56:51,133 INFO L138 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_0c101b45-1981-488c-a1ec-dbf8daabb54d/bin/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 -> 7c2cb3a13a9a17f32fb5c2fee33321c25b1f2f51 [2019-10-22 08:56:51,159 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:51,171 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:51,176 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:51,177 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:51,178 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:51,179 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0c101b45-1981-488c-a1ec-dbf8daabb54d/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec7_product28.cil.c [2019-10-22 08:56:51,238 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0c101b45-1981-488c-a1ec-dbf8daabb54d/bin/uautomizer/data/c528a5a16/c3fab330fdc144b2a3744fe4ddf31794/FLAGecdaee4d9 [2019-10-22 08:56:51,781 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:51,782 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0c101b45-1981-488c-a1ec-dbf8daabb54d/sv-benchmarks/c/product-lines/email_spec7_product28.cil.c [2019-10-22 08:56:51,805 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0c101b45-1981-488c-a1ec-dbf8daabb54d/bin/uautomizer/data/c528a5a16/c3fab330fdc144b2a3744fe4ddf31794/FLAGecdaee4d9 [2019-10-22 08:56:52,257 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0c101b45-1981-488c-a1ec-dbf8daabb54d/bin/uautomizer/data/c528a5a16/c3fab330fdc144b2a3744fe4ddf31794 [2019-10-22 08:56:52,260 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:52,261 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:52,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:52,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:52,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:52,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:52" (1/1) ... [2019-10-22 08:56:52,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@90ee0c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:52, skipping insertion in model container [2019-10-22 08:56:52,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:52" (1/1) ... [2019-10-22 08:56:52,277 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:52,355 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:53,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:53,102 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:53,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:53,362 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:53,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:53 WrapperNode [2019-10-22 08:56:53,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:53,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:53,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:53,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:53,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:53" (1/1) ... [2019-10-22 08:56:53,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:53" (1/1) ... [2019-10-22 08:56:53,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:53,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:53,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:53,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:53,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:53" (1/1) ... [2019-10-22 08:56:53,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:53" (1/1) ... [2019-10-22 08:56:53,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:53" (1/1) ... [2019-10-22 08:56:53,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:53" (1/1) ... [2019-10-22 08:56:53,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:53" (1/1) ... [2019-10-22 08:56:53,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:53" (1/1) ... [2019-10-22 08:56:53,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:53" (1/1) ... [2019-10-22 08:56:53,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:53,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:53,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:53,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:53,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c101b45-1981-488c-a1ec-dbf8daabb54d/bin/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 [2019-10-22 08:56:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-22 08:56:53,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:56:53,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:56:53,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:53,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:55,862 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:55,862 INFO L284 CfgBuilder]: Removed 295 assume(true) statements. [2019-10-22 08:56:55,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:55 BoogieIcfgContainer [2019-10-22 08:56:55,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:55,866 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:56:55,866 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:56:55,870 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:56:55,871 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:55,871 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:56:52" (1/3) ... [2019-10-22 08:56:55,872 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2528cf62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:56:55, skipping insertion in model container [2019-10-22 08:56:55,872 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:55,873 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:53" (2/3) ... [2019-10-22 08:56:55,873 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2528cf62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:56:55, skipping insertion in model container [2019-10-22 08:56:55,873 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:55,873 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:55" (3/3) ... [2019-10-22 08:56:55,875 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec7_product28.cil.c [2019-10-22 08:56:55,933 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:56:55,934 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:56:55,934 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:56:55,934 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:55,934 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:55,934 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:56:55,934 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:55,935 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:56:55,970 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 471 states. [2019-10-22 08:56:56,031 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2019-10-22 08:56:56,031 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:56,031 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:56,040 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:56,040 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:56:56,041 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:56:56,041 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 471 states. [2019-10-22 08:56:56,057 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2019-10-22 08:56:56,057 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:56,057 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:56,059 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:56,059 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:56:56,071 INFO L791 eck$LassoCheckResult]: Stem: 322#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~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(10);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(18);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(16);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(21);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(16);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(25);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(10);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(16);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(20);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(44);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(44);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(11);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(19);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string71.base, #t~string71.offset, 1);call write~init~int(100, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(10, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 3 + #t~string71.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(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);~head~0.base, ~head~0.offset := 0, 0;call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(30);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(9);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(21);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(30);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(9);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(21);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(30);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(9);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(25);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(30);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(9);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(25);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string128.base, #t~string128.offset, 1);call write~init~int(115, #t~string128.base, 1 + #t~string128.offset, 1);call write~init~int(10, #t~string128.base, 2 + #t~string128.offset, 1);call write~init~int(0, #t~string128.base, 3 + #t~string128.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; 228#L-1true havoc main_#res;havoc main_#t~ret66, main_~retValue_acc~11, main_~tmp~14;havoc main_~retValue_acc~11;havoc main_~tmp~14; 189#L233true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 219#L241true main_#t~ret66 := valid_product_#res;main_~tmp~14 := main_#t~ret66;havoc main_#t~ret66; 310#L738true assume 0 != main_~tmp~14;havoc setup_#t~nondet61, setup_#t~nondet63, setup_#t~nondet65, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.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_tmp3~1.base, setup_~__cil_tmp3~1.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; 403#L2528true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 74#L2534-2true 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; 102#L2093true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 380#L2099-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string60.base, #t~string60.offset;havoc setup_#t~nondet61;~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; 389#L2528-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 79#L2534-5true 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; 104#L2093-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 363#L2099-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string62.base, #t~string62.offset;havoc setup_#t~nondet63;~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; 392#L2528-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 196#L2534-8true 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; 98#L2093-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 367#L2099-8true setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string64.base, #t~string64.offset;havoc setup_#t~nondet65; 271#L725true havoc test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, test_#t~nondet84, test_#t~nondet85, test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_#t~nondet90, test_#t~nondet91, 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~16, test_~tmp___0~8, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~16;havoc test_~tmp___0~8;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 276#L1044-1true [2019-10-22 08:56:56,072 INFO L793 eck$LassoCheckResult]: Loop: 276#L1044-1true assume !false; 359#L902true assume test_~splverifierCounter~0 < 4; 315#L903true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 417#L909true assume !(0 == test_~op1~0); 460#L922true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet82;havoc test_#t~nondet82; 192#L927true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 276#L1044-1true [2019-10-22 08:56:56,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:56,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-10-22 08:56:56,090 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:56,090 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997014745] [2019-10-22 08:56:56,090 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:56,091 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:56,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:56,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:56,435 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997014745] [2019-10-22 08:56:56,436 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:56,436 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:56:56,437 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028469259] [2019-10-22 08:56:56,441 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-10-22 08:56:56,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:56,442 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-10-22 08:56:56,442 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:56,442 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979970017] [2019-10-22 08:56:56,442 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:56,442 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:56,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:56,502 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:56,569 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:56:56,570 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:56:56,571 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:56:56,572 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:56:56,572 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:56:56,572 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:56,572 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:56:56,572 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:56:56,573 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec7_product28.cil.c_Iteration1_Loop [2019-10-22 08:56:56,573 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:56:56,573 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:56:56,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:56,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:56,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:56,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:56,718 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:56:56,719 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c101b45-1981-488c-a1ec-dbf8daabb54d/bin/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 [2019-10-22 08:56:56,836 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:56,836 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c101b45-1981-488c-a1ec-dbf8daabb54d/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:56:56,863 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:56:56,863 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:56,869 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:56:56,871 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:56:56,871 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:56:56,871 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:56:56,871 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:56:56,871 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:56:56,871 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:56,872 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:56:56,872 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:56:56,872 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec7_product28.cil.c_Iteration1_Loop [2019-10-22 08:56:56,872 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:56:56,872 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:56:56,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:56,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:56,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:56,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:56,977 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:56:56,982 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:56:56,983 INFO L120 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 [2019-10-22 08:56:56,987 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:56,988 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:56,988 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:56,989 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:56,989 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:56,991 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:56,991 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:56,996 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:56:57,008 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 08:56:57,008 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-10-22 08:56:57,010 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:56:57,010 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 08:56:57,011 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:56:57,011 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-10-22 08:56:57,014 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 08:56:57,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:57,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:56:57,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:56:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:57,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 08:56:57,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:56:57,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:57,281 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 [2019-10-22 08:56:57,282 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 471 states. Second operand 4 states. [2019-10-22 08:56:57,549 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 471 states.. Second operand 4 states. Result 2032 states and 3544 transitions. Complement of second has 7 states. [2019-10-22 08:56:57,550 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 [2019-10-22 08:56:57,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-10-22 08:56:57,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1996 transitions. [2019-10-22 08:56:57,558 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1996 transitions. Stem has 18 letters. Loop has 6 letters. [2019-10-22 08:56:57,560 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:56:57,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1996 transitions. Stem has 24 letters. Loop has 6 letters. [2019-10-22 08:56:57,561 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:56:57,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1996 transitions. Stem has 18 letters. Loop has 12 letters. [2019-10-22 08:56:57,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:56:57,563 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2032 states and 3544 transitions. [2019-10-22 08:56:57,593 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 415 [2019-10-22 08:56:57,611 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2032 states to 863 states and 1568 transitions. [2019-10-22 08:56:57,613 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 446 [2019-10-22 08:56:57,614 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 447 [2019-10-22 08:56:57,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 863 states and 1568 transitions. [2019-10-22 08:56:57,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-10-22 08:56:57,617 INFO L688 BuchiCegarLoop]: Abstraction has 863 states and 1568 transitions. [2019-10-22 08:56:57,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states and 1568 transitions. [2019-10-22 08:56:57,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 448. [2019-10-22 08:56:57,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2019-10-22 08:56:57,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 811 transitions. [2019-10-22 08:56:57,682 INFO L711 BuchiCegarLoop]: Abstraction has 448 states and 811 transitions. [2019-10-22 08:56:57,682 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:57,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:57,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:57,688 INFO L87 Difference]: Start difference. First operand 448 states and 811 transitions. Second operand 3 states. [2019-10-22 08:56:57,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:57,744 INFO L93 Difference]: Finished difference Result 876 states and 1587 transitions. [2019-10-22 08:56:57,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:57,745 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 876 states and 1587 transitions. [2019-10-22 08:56:57,754 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 416 [2019-10-22 08:56:57,760 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 876 states to 876 states and 1587 transitions. [2019-10-22 08:56:57,761 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 458 [2019-10-22 08:56:57,761 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 458 [2019-10-22 08:56:57,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 876 states and 1587 transitions. [2019-10-22 08:56:57,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-10-22 08:56:57,763 INFO L688 BuchiCegarLoop]: Abstraction has 876 states and 1587 transitions. [2019-10-22 08:56:57,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states and 1587 transitions. [2019-10-22 08:56:57,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 447. [2019-10-22 08:56:57,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2019-10-22 08:56:57,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 807 transitions. [2019-10-22 08:56:57,785 INFO L711 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2019-10-22 08:56:57,785 INFO L591 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2019-10-22 08:56:57,785 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:56:57,785 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 447 states and 807 transitions. [2019-10-22 08:56:57,788 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2019-10-22 08:56:57,788 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:57,788 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:57,789 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:57,789 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:57,790 INFO L791 eck$LassoCheckResult]: Stem: 4220#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~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(10);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(18);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(16);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(21);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(16);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(25);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(10);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(16);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(20);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(44);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(44);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(11);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(19);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string71.base, #t~string71.offset, 1);call write~init~int(100, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(10, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 3 + #t~string71.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(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);~head~0.base, ~head~0.offset := 0, 0;call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(30);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(9);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(21);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(30);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(9);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(21);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(30);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(9);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(25);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(30);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(9);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(25);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string128.base, #t~string128.offset, 1);call write~init~int(115, #t~string128.base, 1 + #t~string128.offset, 1);call write~init~int(10, #t~string128.base, 2 + #t~string128.offset, 1);call write~init~int(0, #t~string128.base, 3 + #t~string128.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; 3970#L-1 havoc main_#res;havoc main_#t~ret66, main_~retValue_acc~11, main_~tmp~14;havoc main_~retValue_acc~11;havoc main_~tmp~14; 3971#L233 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 3942#L241 main_#t~ret66 := valid_product_#res;main_~tmp~14 := main_#t~ret66;havoc main_#t~ret66; 3943#L738 assume 0 != main_~tmp~14;havoc setup_#t~nondet61, setup_#t~nondet63, setup_#t~nondet65, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.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_tmp3~1.base, setup_~__cil_tmp3~1.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; 4189#L2528 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4037#L2534-2 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; 4250#L2093 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4107#L2099-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string60.base, #t~string60.offset;havoc setup_#t~nondet61;~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; 4258#L2528-2 assume !(1 == setClientId_~handle); 4062#L2531-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4063#L2534-5 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; 4251#L2093-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4040#L2099-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string62.base, #t~string62.offset;havoc setup_#t~nondet63;~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; 4249#L2528-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4069#L2534-8 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; 4265#L2093-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4065#L2099-8 setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string64.base, #t~string64.offset;havoc setup_#t~nondet65; 4119#L725 havoc test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, test_#t~nondet84, test_#t~nondet85, test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_#t~nondet90, test_#t~nondet91, 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~16, test_~tmp___0~8, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~16;havoc test_~tmp___0~8;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 4120#L1044-1 assume !false; 4126#L902 [2019-10-22 08:56:57,790 INFO L793 eck$LassoCheckResult]: Loop: 4126#L902 assume test_~splverifierCounter~0 < 4; 4210#L903 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4211#L909 assume !(0 == test_~op1~0); 4243#L922 assume !(0 == test_~op2~0); 4346#L933 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet83;havoc test_#t~nondet83; 4347#L938 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; 4266#L2093-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4071#L2099-11 test_~op3~0 := 1; 4125#L1044-1 assume !false; 4126#L902 [2019-10-22 08:56:57,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:57,790 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-10-22 08:56:57,791 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:57,791 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563749181] [2019-10-22 08:56:57,791 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:57,791 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:57,791 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:57,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:57,922 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563749181] [2019-10-22 08:56:57,922 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:57,923 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:56:57,923 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778038798] [2019-10-22 08:56:57,923 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-10-22 08:56:57,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:57,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-10-22 08:56:57,924 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:57,924 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662971115] [2019-10-22 08:56:57,924 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:57,924 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:57,924 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:57,959 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:58,024 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:56:58,024 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:56:58,024 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:56:58,024 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:56:58,024 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:56:58,025 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:58,025 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:56:58,025 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:56:58,025 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec7_product28.cil.c_Iteration2_Loop [2019-10-22 08:56:58,025 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:56:58,025 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:56:58,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:58,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:58,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:58,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:58,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:58,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:58,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:58,177 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:56:58,178 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c101b45-1981-488c-a1ec-dbf8daabb54d/bin/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 [2019-10-22 08:56:58,182 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:56:58,183 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c101b45-1981-488c-a1ec-dbf8daabb54d/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:56:58,195 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:56:58,196 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:58,286 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:56:58,289 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:56:58,289 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:56:58,289 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:56:58,289 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:56:58,290 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:56:58,290 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:56:58,290 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:56:58,290 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:56:58,290 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec7_product28.cil.c_Iteration2_Loop [2019-10-22 08:56:58,290 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:56:58,290 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:56:58,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:58,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:58,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:58,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:58,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:58,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:58,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:56:58,452 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:56:58,453 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:56:58,453 INFO L120 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 [2019-10-22 08:56:58,454 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:56:58,454 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:56:58,454 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:56:58,454 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:56:58,454 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:56:58,455 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:56:58,455 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:56:58,458 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:56:58,464 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 08:56:58,465 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-10-22 08:56:58,465 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:56:58,465 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 08:56:58,465 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:56:58,466 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-10-22 08:56:58,466 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 08:56:58,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:58,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:56:58,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:56:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:58,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 08:56:58,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:56:58,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:58,682 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 [2019-10-22 08:56:58,682 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362 Second operand 4 states. [2019-10-22 08:56:58,733 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. [2019-10-22 08:56:58,734 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 [2019-10-22 08:56:58,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-10-22 08:56:58,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 426 transitions. [2019-10-22 08:56:58,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 9 letters. [2019-10-22 08:56:58,735 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:56:58,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 29 letters. Loop has 9 letters. [2019-10-22 08:56:58,735 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:56:58,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 18 letters. [2019-10-22 08:56:58,736 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:56:58,737 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 867 states and 1573 transitions. [2019-10-22 08:56:58,744 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:56:58,744 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 867 states to 0 states and 0 transitions. [2019-10-22 08:56:58,744 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:56:58,745 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:56:58,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:56:58,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:56:58,745 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:58,745 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:58,745 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:58,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:56:58,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:56:58,746 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-10-22 08:56:58,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:58,746 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-10-22 08:56:58,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:56:58,747 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-10-22 08:56:58,747 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:56:58,747 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:56:58,747 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:56:58,748 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:56:58,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:56:58,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:56:58,748 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:58,748 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:58,748 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:58,748 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-10-22 08:56:58,748 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:56:58,748 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:56:58,748 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 08:56:58,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:56:58 BoogieIcfgContainer [2019-10-22 08:56:58,757 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:56:58,757 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:56:58,758 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:56:58,758 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:56:58,758 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:55" (3/4) ... [2019-10-22 08:56:58,762 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:56:58,762 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:56:58,766 INFO L168 Benchmark]: Toolchain (without parser) took 6502.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 214.4 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -155.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:58,767 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:58,768 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1101.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -147.7 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:58,770 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.81 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:58,771 INFO L168 Benchmark]: Boogie Preprocessor took 104.94 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:58,772 INFO L168 Benchmark]: RCFGBuilder took 2270.80 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: -39.2 MB). Peak memory consumption was 208.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:58,773 INFO L168 Benchmark]: BuchiAutomizer took 2891.31 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 74.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.2 MB). Peak memory consumption was 89.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:58,773 INFO L168 Benchmark]: Witness Printer took 4.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:58,777 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1101.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -147.7 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 125.81 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 104.94 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2270.80 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: -39.2 MB). Peak memory consumption was 208.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2891.31 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 74.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.2 MB). Peak memory consumption was 89.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. 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: 2832 SDtfs, 2420 SDslu, 3461 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: 28ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...