./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fc3b8a6e-5b68-43b5-ac84-783735717a4a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fc3b8a6e-5b68-43b5-ac84-783735717a4a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fc3b8a6e-5b68-43b5-ac84-783735717a4a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fc3b8a6e-5b68-43b5-ac84-783735717a4a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product21.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fc3b8a6e-5b68-43b5-ac84-783735717a4a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fc3b8a6e-5b68-43b5-ac84-783735717a4a/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 84f2126d2dae8028d218bdcffa9f0f69092167e9 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 09:43:40,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:43:40,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:43:40,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:43:40,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:43:40,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:43:40,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:43:40,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:43:40,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:43:40,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:43:40,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:43:40,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:43:40,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:43:40,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:43:40,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:43:40,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:43:40,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:43:40,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:43:40,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:43:40,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:43:40,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:43:40,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:43:40,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:43:40,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:43:40,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:43:40,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:43:40,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:43:40,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:43:40,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:43:40,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:43:40,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:43:40,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:43:40,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:43:40,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:43:40,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:43:40,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:43:40,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:43:40,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:43:40,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:43:40,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:43:40,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:43:40,989 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fc3b8a6e-5b68-43b5-ac84-783735717a4a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 09:43:41,025 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:43:41,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:43:41,035 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:43:41,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:43:41,036 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 09:43:41,036 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 09:43:41,036 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 09:43:41,036 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 09:43:41,037 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 09:43:41,037 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 09:43:41,038 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 09:43:41,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:43:41,039 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 09:43:41,039 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 09:43:41,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 09:43:41,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 09:43:41,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:43:41,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 09:43:41,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 09:43:41,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 09:43:41,040 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 09:43:41,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:43:41,041 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 09:43:41,041 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:43:41,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 09:43:41,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:43:41,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 09:43:41,042 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 09:43:41,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:43:41,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 09:43:41,043 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 09:43:41,044 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 09:43:41,044 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/run_dir_fc3b8a6e-5b68-43b5-ac84-783735717a4a/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 -> 84f2126d2dae8028d218bdcffa9f0f69092167e9 [2019-11-20 09:43:41,185 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:43:41,194 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:43:41,197 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:43:41,204 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:43:41,204 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:43:41,204 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fc3b8a6e-5b68-43b5-ac84-783735717a4a/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec0_product21.cil.c [2019-11-20 09:43:41,275 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fc3b8a6e-5b68-43b5-ac84-783735717a4a/bin/uautomizer/data/7cbb342f7/e5d92ff1fffa4cbb885b3131134b0ec7/FLAG154b67f6d [2019-11-20 09:43:41,828 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:43:41,828 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fc3b8a6e-5b68-43b5-ac84-783735717a4a/sv-benchmarks/c/product-lines/email_spec0_product21.cil.c [2019-11-20 09:43:41,859 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fc3b8a6e-5b68-43b5-ac84-783735717a4a/bin/uautomizer/data/7cbb342f7/e5d92ff1fffa4cbb885b3131134b0ec7/FLAG154b67f6d [2019-11-20 09:43:42,079 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fc3b8a6e-5b68-43b5-ac84-783735717a4a/bin/uautomizer/data/7cbb342f7/e5d92ff1fffa4cbb885b3131134b0ec7 [2019-11-20 09:43:42,081 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:43:42,082 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:43:42,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:43:42,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:43:42,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:43:42,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:43:42" (1/1) ... [2019-11-20 09:43:42,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c4b7de3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:42, skipping insertion in model container [2019-11-20 09:43:42,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:43:42" (1/1) ... [2019-11-20 09:43:42,093 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:43:42,151 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:43:42,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:43:42,823 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:43:42,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:43:43,041 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:43:43,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:43 WrapperNode [2019-11-20 09:43:43,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:43:43,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:43:43,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:43:43,043 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:43:43,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:43" (1/1) ... [2019-11-20 09:43:43,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:43" (1/1) ... [2019-11-20 09:43:43,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:43:43,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:43:43,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:43:43,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:43:43,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:43" (1/1) ... [2019-11-20 09:43:43,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:43" (1/1) ... [2019-11-20 09:43:43,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:43" (1/1) ... [2019-11-20 09:43:43,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:43" (1/1) ... [2019-11-20 09:43:43,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:43" (1/1) ... [2019-11-20 09:43:43,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:43" (1/1) ... [2019-11-20 09:43:43,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:43" (1/1) ... [2019-11-20 09:43:43,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:43:43,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:43:43,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:43:43,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:43:43,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fc3b8a6e-5b68-43b5-ac84-783735717a4a/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 [2019-11-20 09:43:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-20 09:43:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 09:43:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 09:43:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:43:43,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:43:46,257 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:43:46,258 INFO L285 CfgBuilder]: Removed 649 assume(true) statements. [2019-11-20 09:43:46,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:43:46 BoogieIcfgContainer [2019-11-20 09:43:46,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:43:46,260 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 09:43:46,260 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 09:43:46,263 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 09:43:46,264 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 09:43:46,266 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 09:43:42" (1/3) ... [2019-11-20 09:43:46,267 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a3b17d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:43:46, skipping insertion in model container [2019-11-20 09:43:46,267 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 09:43:46,267 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:43" (2/3) ... [2019-11-20 09:43:46,268 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a3b17d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:43:46, skipping insertion in model container [2019-11-20 09:43:46,268 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 09:43:46,268 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:43:46" (3/3) ... [2019-11-20 09:43:46,271 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec0_product21.cil.c [2019-11-20 09:43:46,308 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 09:43:46,308 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 09:43:46,308 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 09:43:46,308 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 09:43:46,309 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 09:43:46,309 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 09:43:46,309 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 09:43:46,309 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 09:43:46,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 944 states. [2019-11-20 09:43:46,405 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-11-20 09:43:46,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 09:43:46,406 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 09:43:46,415 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:43:46,415 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 09:43:46,415 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 09:43:46,416 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 944 states. [2019-11-20 09:43:46,428 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-11-20 09:43:46,429 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 09:43:46,429 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 09:43:46,431 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:43:46,431 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 09:43:46,437 INFO L794 eck$LassoCheckResult]: Stem: 320#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string2.base, #t~string2.offset, 1);call write~init~int(115, #t~string2.base, 1 + #t~string2.offset, 1);call write~init~int(10, #t~string2.base, 2 + #t~string2.offset, 1);call write~init~int(0, #t~string2.base, 3 + #t~string2.offset, 1);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(16);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(44);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(44);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(11);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(19);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string72.base, #t~string72.offset, 1);call write~init~int(100, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(10, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 3 + #t~string72.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string75.base, #t~string75.offset, 1);call write~init~int(100, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(10, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(10);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(34);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(30);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(16);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(20);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(21);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(10);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(12);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(10);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(18);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(16);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(21); 285#L-1true havoc main_#res;havoc main_#t~ret67, main_~retValue_acc~34, main_~tmp~8;havoc main_~retValue_acc~34;havoc main_~tmp~8; 307#L1960true havoc valid_product_#res;havoc valid_product_~retValue_acc~33;havoc valid_product_~retValue_acc~33;valid_product_~retValue_acc~33 := 1;valid_product_#res := valid_product_~retValue_acc~33; 901#L1968true main_#t~ret67 := valid_product_#res;main_~tmp~8 := main_#t~ret67;havoc main_#t~ret67; 648#L2370true assume 0 != main_~tmp~8;havoc setup_#t~nondet62, setup_#t~nondet64, setup_#t~nondet66, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.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_tmp3~3.base, setup_~__cil_tmp3~3.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; 189#L1102true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 793#L1108-2true 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; 826#L667true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 615#L673-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string61.base, #t~string61.offset;havoc setup_#t~nondet62;~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; 194#L1102-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 798#L1108-5true 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; 814#L667-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 595#L673-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string63.base, #t~string63.offset;havoc setup_#t~nondet64;~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; 196#L1102-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 782#L1108-8true 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; 818#L667-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 571#L673-8true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string65.base, #t~string65.offset;havoc setup_#t~nondet66; 213#L2357true havoc test_#t~nondet40, test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 684#L2171-1true [2019-11-20 09:43:46,438 INFO L796 eck$LassoCheckResult]: Loop: 684#L2171-1true assume !false; 441#L2023true assume test_~splverifierCounter~0 < 4; 299#L2024true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 41#L2030true assume !(0 == test_~op1~0); 414#L2043true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet41;havoc test_#t~nondet41; 318#L2048true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 684#L2171-1true [2019-11-20 09:43:46,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:43:46,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-20 09:43:46,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:43:46,453 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798908738] [2019-11-20 09:43:46,454 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:43:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:43:46,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:43:46,757 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798908738] [2019-11-20 09:43:46,758 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:43:46,758 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 09:43:46,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296155285] [2019-11-20 09:43:46,763 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 09:43:46,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:43:46,764 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-11-20 09:43:46,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:43:46,764 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091841843] [2019-11-20 09:43:46,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:43:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:43:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:43:46,805 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:43:46,862 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 09:43:46,862 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 09:43:46,862 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 09:43:46,863 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 09:43:46,863 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 09:43:46,863 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:43:46,863 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 09:43:46,863 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 09:43:46,864 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product21.cil.c_Iteration1_Loop [2019-11-20 09:43:46,864 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 09:43:46,864 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 09:43:46,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:43:46,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:43:46,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:43:46,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:43:47,011 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 09:43:47,012 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fc3b8a6e-5b68-43b5-ac84-783735717a4a/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 [2019-11-20 09:43:47,023 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 09:43:47,023 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fc3b8a6e-5b68-43b5-ac84-783735717a4a/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) [2019-11-20 09:43:47,035 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 09:43:47,036 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 [2019-11-20 09:43:47,054 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 09:43:47,057 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 09:43:47,057 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 09:43:47,057 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 09:43:47,057 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 09:43:47,058 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 09:43:47,058 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:43:47,058 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 09:43:47,058 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 09:43:47,058 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product21.cil.c_Iteration1_Loop [2019-11-20 09:43:47,058 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 09:43:47,058 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 09:43:47,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:43:47,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:43:47,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:43:47,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:43:47,170 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 09:43:47,174 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fc3b8a6e-5b68-43b5-ac84-783735717a4a/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 [2019-11-20 09:43:47,181 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 [2019-11-20 09:43:47,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:43:47,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:43:47,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:43:47,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:43:47,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:43:47,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:43:47,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 09:43:47,198 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 09:43:47,204 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 09:43:47,204 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fc3b8a6e-5b68-43b5-ac84-783735717a4a/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) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:43:47,256 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 09:43:47,256 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 09:43:47,257 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 09:43:47,258 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-11-20 09:43:47,270 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 09:43:47,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:43:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:43:47,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 09:43:47,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:43:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:43:47,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 09:43:47,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:43:47,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:43:47,657 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 [2019-11-20 09:43:47,658 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 944 states. Second operand 4 states. [2019-11-20 09:43:47,990 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 944 states.. Second operand 4 states. Result 4350 states and 7452 transitions. Complement of second has 7 states. [2019-11-20 09:43:47,990 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 [2019-11-20 09:43:47,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 09:43:47,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4310 transitions. [2019-11-20 09:43:48,000 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4310 transitions. Stem has 18 letters. Loop has 6 letters. [2019-11-20 09:43:48,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:43:48,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4310 transitions. Stem has 24 letters. Loop has 6 letters. [2019-11-20 09:43:48,010 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:43:48,010 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4310 transitions. Stem has 18 letters. Loop has 12 letters. [2019-11-20 09:43:48,010 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:43:48,011 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4350 states and 7452 transitions. [2019-11-20 09:43:48,060 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 509 [2019-11-20 09:43:48,080 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4350 states to 1051 states and 1924 transitions. [2019-11-20 09:43:48,081 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 540 [2019-11-20 09:43:48,083 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 541 [2019-11-20 09:43:48,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1051 states and 1924 transitions. [2019-11-20 09:43:48,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 09:43:48,086 INFO L688 BuchiCegarLoop]: Abstraction has 1051 states and 1924 transitions. [2019-11-20 09:43:48,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states and 1924 transitions. [2019-11-20 09:43:48,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 542. [2019-11-20 09:43:48,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2019-11-20 09:43:48,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 989 transitions. [2019-11-20 09:43:48,150 INFO L711 BuchiCegarLoop]: Abstraction has 542 states and 989 transitions. [2019-11-20 09:43:48,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:43:48,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:43:48,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:43:48,155 INFO L87 Difference]: Start difference. First operand 542 states and 989 transitions. Second operand 3 states. [2019-11-20 09:43:48,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:43:48,203 INFO L93 Difference]: Finished difference Result 1064 states and 1943 transitions. [2019-11-20 09:43:48,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:43:48,204 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1064 states and 1943 transitions. [2019-11-20 09:43:48,213 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 510 [2019-11-20 09:43:48,222 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1064 states to 1064 states and 1943 transitions. [2019-11-20 09:43:48,223 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 552 [2019-11-20 09:43:48,224 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 552 [2019-11-20 09:43:48,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1064 states and 1943 transitions. [2019-11-20 09:43:48,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 09:43:48,227 INFO L688 BuchiCegarLoop]: Abstraction has 1064 states and 1943 transitions. [2019-11-20 09:43:48,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states and 1943 transitions. [2019-11-20 09:43:48,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 541. [2019-11-20 09:43:48,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2019-11-20 09:43:48,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 985 transitions. [2019-11-20 09:43:48,241 INFO L711 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-11-20 09:43:48,241 INFO L591 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-11-20 09:43:48,241 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 09:43:48,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 541 states and 985 transitions. [2019-11-20 09:43:48,244 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-11-20 09:43:48,244 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 09:43:48,245 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 09:43:48,246 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] [2019-11-20 09:43:48,246 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:43:48,246 INFO L794 eck$LassoCheckResult]: Stem: 7358#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string2.base, #t~string2.offset, 1);call write~init~int(115, #t~string2.base, 1 + #t~string2.offset, 1);call write~init~int(10, #t~string2.base, 2 + #t~string2.offset, 1);call write~init~int(0, #t~string2.base, 3 + #t~string2.offset, 1);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(16);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(44);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(44);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(11);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(19);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string72.base, #t~string72.offset, 1);call write~init~int(100, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(10, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 3 + #t~string72.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string75.base, #t~string75.offset, 1);call write~init~int(100, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(10, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(10);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(34);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(30);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(16);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(20);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(21);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(10);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(12);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(10);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(18);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(16);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(21); 7057#L-1 havoc main_#res;havoc main_#t~ret67, main_~retValue_acc~34, main_~tmp~8;havoc main_~retValue_acc~34;havoc main_~tmp~8; 7058#L1960 havoc valid_product_#res;havoc valid_product_~retValue_acc~33;havoc valid_product_~retValue_acc~33;valid_product_~retValue_acc~33 := 1;valid_product_#res := valid_product_~retValue_acc~33; 7316#L1968 main_#t~ret67 := valid_product_#res;main_~tmp~8 := main_#t~ret67;havoc main_#t~ret67; 7523#L2370 assume 0 != main_~tmp~8;havoc setup_#t~nondet62, setup_#t~nondet64, setup_#t~nondet66, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.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_tmp3~3.base, setup_~__cil_tmp3~3.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; 7459#L1102 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7200#L1108-2 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; 7439#L667 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7187#L673-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string61.base, #t~string61.offset;havoc setup_#t~nondet62;~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; 7452#L1102-2 assume !(1 == setClientId_~handle); 7223#L1105-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 7224#L1108-5 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; 7441#L667-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7203#L673-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string63.base, #t~string63.offset;havoc setup_#t~nondet64;~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; 7440#L1102-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7141#L1108-8 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; 7404#L667-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7226#L673-8 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string65.base, #t~string65.offset;havoc setup_#t~nondet66; 7395#L2357 havoc test_#t~nondet40, test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 7470#L2171-1 assume !false; 7526#L2023 [2019-11-20 09:43:48,247 INFO L796 eck$LassoCheckResult]: Loop: 7526#L2023 assume test_~splverifierCounter~0 < 4; 7250#L2024 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 7105#L2030 assume !(0 == test_~op1~0); 7107#L2043 assume !(0 == test_~op2~0); 7352#L2054 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet42;havoc test_#t~nondet42; 7337#L2059 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; 7338#L667-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7143#L673-11 test_~op3~0 := 1; 7118#L2171-1 assume !false; 7526#L2023 [2019-11-20 09:43:48,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:43:48,247 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-11-20 09:43:48,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:43:48,248 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169589699] [2019-11-20 09:43:48,248 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:43:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:43:48,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:43:48,334 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169589699] [2019-11-20 09:43:48,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:43:48,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 09:43:48,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196492009] [2019-11-20 09:43:48,335 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 09:43:48,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:43:48,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-11-20 09:43:48,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:43:48,336 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703004711] [2019-11-20 09:43:48,336 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:43:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:43:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:43:48,355 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:43:48,419 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 09:43:48,419 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 09:43:48,419 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 09:43:48,419 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 09:43:48,419 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 09:43:48,419 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:43:48,419 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 09:43:48,419 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 09:43:48,420 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product21.cil.c_Iteration2_Loop [2019-11-20 09:43:48,420 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 09:43:48,420 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 09:43:48,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:43:48,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:43:48,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:43:48,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:43:48,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:43:48,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:43:48,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:43:48,614 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 09:43:48,615 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fc3b8a6e-5b68-43b5-ac84-783735717a4a/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:43:48,631 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 09:43:48,631 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fc3b8a6e-5b68-43b5-ac84-783735717a4a/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:43:48,650 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 09:43:48,650 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:43:48,660 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 09:43:48,662 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 09:43:48,662 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 09:43:48,663 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 09:43:48,663 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 09:43:48,663 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 09:43:48,663 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:43:48,663 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 09:43:48,663 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 09:43:48,663 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product21.cil.c_Iteration2_Loop [2019-11-20 09:43:48,663 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 09:43:48,663 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 09:43:48,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:43:48,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:43:48,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:43:48,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:43:48,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:43:48,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:43:48,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:43:48,852 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 09:43:48,852 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fc3b8a6e-5b68-43b5-ac84-783735717a4a/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:43:48,867 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 [2019-11-20 09:43:48,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:43:48,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:43:48,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:43:48,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:43:48,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:43:48,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:43:48,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:43:48,874 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 09:43:48,878 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 09:43:48,878 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fc3b8a6e-5b68-43b5-ac84-783735717a4a/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:43:48,892 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 09:43:48,892 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 09:43:48,892 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 09:43:48,892 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-11-20 09:43:48,896 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:43:48,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:43:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:43:49,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 09:43:49,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:43:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:43:49,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 09:43:49,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:43:49,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:43:49,151 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 [2019-11-20 09:43:49,151 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446 Second operand 4 states. [2019-11-20 09:43:49,188 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446. Second operand 4 states. Result 1055 states and 1929 transitions. Complement of second has 6 states. [2019-11-20 09:43:49,189 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 [2019-11-20 09:43:49,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 09:43:49,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2019-11-20 09:43:49,190 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 9 letters. [2019-11-20 09:43:49,191 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:43:49,191 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 29 letters. Loop has 9 letters. [2019-11-20 09:43:49,192 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:43:49,192 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 18 letters. [2019-11-20 09:43:49,193 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:43:49,193 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1055 states and 1929 transitions. [2019-11-20 09:43:49,202 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 09:43:49,203 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1055 states to 0 states and 0 transitions. [2019-11-20 09:43:49,203 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 09:43:49,203 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 09:43:49,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 09:43:49,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 09:43:49,203 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:43:49,204 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:43:49,204 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:43:49,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 09:43:49,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 09:43:49,204 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-11-20 09:43:49,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:43:49,205 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-20 09:43:49,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 09:43:49,205 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-20 09:43:49,205 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 09:43:49,205 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 09:43:49,206 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 09:43:49,206 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 09:43:49,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 09:43:49,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 09:43:49,206 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:43:49,206 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:43:49,207 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:43:49,207 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 09:43:49,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 09:43:49,207 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 09:43:49,207 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 09:43:49,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 09:43:49 BoogieIcfgContainer [2019-11-20 09:43:49,213 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 09:43:49,214 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:43:49,214 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:43:49,214 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:43:49,214 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:43:46" (3/4) ... [2019-11-20 09:43:49,217 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 09:43:49,217 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:43:49,220 INFO L168 Benchmark]: Toolchain (without parser) took 7136.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.8 MB). Free memory was 940.7 MB in the beginning and 850.7 MB in the end (delta: 89.9 MB). Peak memory consumption was 280.8 MB. Max. memory is 11.5 GB. [2019-11-20 09:43:49,220 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:43:49,221 INFO L168 Benchmark]: CACSL2BoogieTranslator took 959.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -124.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2019-11-20 09:43:49,222 INFO L168 Benchmark]: Boogie Procedure Inliner took 194.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-11-20 09:43:49,222 INFO L168 Benchmark]: Boogie Preprocessor took 156.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-11-20 09:43:49,223 INFO L168 Benchmark]: RCFGBuilder took 2866.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 925.3 MB in the end (delta: 107.3 MB). Peak memory consumption was 196.5 MB. Max. memory is 11.5 GB. [2019-11-20 09:43:49,224 INFO L168 Benchmark]: BuchiAutomizer took 2953.26 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 70.3 MB). Free memory was 925.3 MB in the beginning and 850.7 MB in the end (delta: 74.6 MB). Peak memory consumption was 144.9 MB. Max. memory is 11.5 GB. [2019-11-20 09:43:49,224 INFO L168 Benchmark]: Witness Printer took 4.12 ms. Allocated memory is still 1.2 GB. Free memory is still 850.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:43:49,228 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 959.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -124.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 194.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 156.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2866.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 925.3 MB in the end (delta: 107.3 MB). Peak memory consumption was 196.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2953.26 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 70.3 MB). Free memory was 925.3 MB in the beginning and 850.7 MB in the end (delta: 74.6 MB). Peak memory consumption was 144.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.12 ms. Allocated memory is still 1.2 GB. Free memory is still 850.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1032 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 541 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4693 SDtfs, 4191 SDslu, 6119 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: 82ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...