./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product25.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_f5685aea-391e-4a6f-aad5-da46c70673ab/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f5685aea-391e-4a6f-aad5-da46c70673ab/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f5685aea-391e-4a6f-aad5-da46c70673ab/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f5685aea-391e-4a6f-aad5-da46c70673ab/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f5685aea-391e-4a6f-aad5-da46c70673ab/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f5685aea-391e-4a6f-aad5-da46c70673ab/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 61bfcfde9f8b0818581d2fe228c7c1120d4fec85 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:34:58,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:34:58,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:34:58,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:34:58,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:34:58,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:34:58,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:34:58,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:34:58,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:34:58,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:34:58,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:34:58,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:34:58,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:34:58,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:34:58,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:34:58,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:34:58,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:34:58,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:34:58,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:34:59,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:34:59,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:34:59,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:34:59,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:34:59,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:34:59,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:34:59,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:34:59,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:34:59,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:34:59,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:34:59,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:34:59,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:34:59,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:34:59,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:34:59,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:34:59,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:34:59,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:34:59,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:34:59,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:34:59,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:34:59,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:34:59,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:34:59,017 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f5685aea-391e-4a6f-aad5-da46c70673ab/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 02:34:59,031 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:34:59,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:34:59,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:34:59,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:34:59,033 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:34:59,033 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 02:34:59,033 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 02:34:59,033 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 02:34:59,034 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 02:34:59,034 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 02:34:59,034 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 02:34:59,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:34:59,034 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:34:59,034 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 02:34:59,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:34:59,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:34:59,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:34:59,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 02:34:59,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 02:34:59,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 02:34:59,036 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:34:59,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:34:59,036 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 02:34:59,036 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:34:59,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 02:34:59,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:34:59,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:34:59,037 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 02:34:59,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:34:59,038 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 02:34:59,038 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 02:34:59,039 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 02:34:59,039 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_f5685aea-391e-4a6f-aad5-da46c70673ab/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 -> 61bfcfde9f8b0818581d2fe228c7c1120d4fec85 [2019-11-20 02:34:59,172 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:34:59,183 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:34:59,186 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:34:59,187 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:34:59,188 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:34:59,188 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f5685aea-391e-4a6f-aad5-da46c70673ab/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec0_product25.cil.c [2019-11-20 02:34:59,237 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f5685aea-391e-4a6f-aad5-da46c70673ab/bin/uautomizer/data/7180e764d/2bac2d67fced47c7801c49b9e2b678b7/FLAG4080e3d16 [2019-11-20 02:34:59,817 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:34:59,821 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f5685aea-391e-4a6f-aad5-da46c70673ab/sv-benchmarks/c/product-lines/email_spec0_product25.cil.c [2019-11-20 02:34:59,843 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f5685aea-391e-4a6f-aad5-da46c70673ab/bin/uautomizer/data/7180e764d/2bac2d67fced47c7801c49b9e2b678b7/FLAG4080e3d16 [2019-11-20 02:35:00,256 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f5685aea-391e-4a6f-aad5-da46c70673ab/bin/uautomizer/data/7180e764d/2bac2d67fced47c7801c49b9e2b678b7 [2019-11-20 02:35:00,259 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:35:00,260 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:35:00,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:35:00,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:35:00,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:35:00,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:35:00" (1/1) ... [2019-11-20 02:35:00,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ab0f503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:35:00, skipping insertion in model container [2019-11-20 02:35:00,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:35:00" (1/1) ... [2019-11-20 02:35:00,274 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:35:00,343 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:35:00,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:35:00,941 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:35:01,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:35:01,138 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:35:01,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:35:01 WrapperNode [2019-11-20 02:35:01,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:35:01,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:35:01,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:35:01,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:35:01,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:35:01" (1/1) ... [2019-11-20 02:35:01,179 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:35:01" (1/1) ... [2019-11-20 02:35:01,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:35:01,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:35:01,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:35:01,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:35:01,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:35:01" (1/1) ... [2019-11-20 02:35:01,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:35:01" (1/1) ... [2019-11-20 02:35:01,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:35:01" (1/1) ... [2019-11-20 02:35:01,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:35:01" (1/1) ... [2019-11-20 02:35:01,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:35:01" (1/1) ... [2019-11-20 02:35:01,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:35:01" (1/1) ... [2019-11-20 02:35:01,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:35:01" (1/1) ... [2019-11-20 02:35:01,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:35:01,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:35:01,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:35:01,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:35:01,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:35:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5685aea-391e-4a6f-aad5-da46c70673ab/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 02:35:01,551 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-20 02:35:01,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:35:01,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 02:35:01,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:35:01,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:35:04,174 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:35:04,175 INFO L285 CfgBuilder]: Removed 609 assume(true) statements. [2019-11-20 02:35:04,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:35:04 BoogieIcfgContainer [2019-11-20 02:35:04,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:35:04,176 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 02:35:04,176 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 02:35:04,179 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 02:35:04,180 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:35:04,180 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 02:35:00" (1/3) ... [2019-11-20 02:35:04,181 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69ac14ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:35:04, skipping insertion in model container [2019-11-20 02:35:04,181 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:35:04,181 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:35:01" (2/3) ... [2019-11-20 02:35:04,182 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69ac14ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:35:04, skipping insertion in model container [2019-11-20 02:35:04,182 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:35:04,182 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:35:04" (3/3) ... [2019-11-20 02:35:04,184 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec0_product25.cil.c [2019-11-20 02:35:04,219 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 02:35:04,219 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 02:35:04,219 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 02:35:04,219 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:35:04,219 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:35:04,220 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 02:35:04,220 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:35:04,220 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 02:35:04,259 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 864 states. [2019-11-20 02:35:04,330 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-11-20 02:35:04,330 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:35:04,331 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:35:04,340 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 02:35:04,340 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 02:35:04,340 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 02:35:04,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 864 states. [2019-11-20 02:35:04,366 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-11-20 02:35:04,370 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:35:04,370 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:35:04,372 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 02:35:04,374 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 02:35:04,388 INFO L794 eck$LassoCheckResult]: Stem: 278#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(10);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(34);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(30);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(16);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(20);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(44);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(44);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(11);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(19);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string49.base, #t~string49.offset, 1);call write~init~int(100, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(10, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 3 + #t~string49.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string52.base, #t~string52.offset, 1);call write~init~int(100, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(10, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(16);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(10);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(12);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(10);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(18);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(13);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(16);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(25);~head~0.base, ~head~0.offset := 0, 0;call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(30);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(9);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(21);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(30);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(9);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(21);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(30);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(9);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(25);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(30);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(9);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(25);~__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;call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string130.base, #t~string130.offset, 1);call write~init~int(115, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(10, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 3 + #t~string130.offset, 1); 197#L-1true havoc main_#res;havoc main_#t~nondet43, main_#t~ret44, main_~retValue_acc~22, main_~tmp~11;main_~retValue_acc~22 := main_#t~nondet43;havoc main_#t~nondet43;havoc main_~tmp~11; 77#L2515true havoc valid_product_#res;havoc valid_product_~retValue_acc~30;havoc valid_product_~retValue_acc~30;valid_product_~retValue_acc~30 := 1;valid_product_#res := valid_product_~retValue_acc~30; 550#L2523true main_#t~ret44 := valid_product_#res;main_~tmp~11 := main_#t~ret44;havoc main_#t~ret44; 6#L1634true assume 0 != main_~tmp~11;havoc setup_#t~nondet38, setup_#t~nondet40, setup_#t~nondet42, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 826#L1462true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 474#L1468-2true 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; 596#L1027true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 241#L1033-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string37.base, #t~string37.offset;havoc setup_#t~nondet38;~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; 698#L1462-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 457#L1468-5true 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; 597#L1027-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 226#L1033-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string39.base, #t~string39.offset;havoc setup_#t~nondet40;~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; 699#L1462-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 437#L1468-8true 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; 600#L1027-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 233#L1033-8true setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string41.base, #t~string41.offset;havoc setup_#t~nondet42; 646#L1621true havoc test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, 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~14, test_~tmp___0~4, test_~tmp___1~3, test_~tmp___2~2, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~14;havoc test_~tmp___0~4;havoc test_~tmp___1~3;havoc test_~tmp___2~2;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 749#L1989-1true [2019-11-20 02:35:04,389 INFO L796 eck$LassoCheckResult]: Loop: 749#L1989-1true assume !false; 653#L1841true assume test_~splverifierCounter~0 < 4; 482#L1842true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 232#L1848true assume !(0 == test_~op1~0); 710#L1861true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet63;havoc test_#t~nondet63; 529#L1866true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 749#L1989-1true [2019-11-20 02:35:04,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:35:04,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-20 02:35:04,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:35:04,403 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305644234] [2019-11-20 02:35:04,404 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:35:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:35:04,749 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 02:35:04,751 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305644234] [2019-11-20 02:35:04,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:35:04,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 02:35:04,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723131850] [2019-11-20 02:35:04,758 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 02:35:04,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:35:04,758 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-11-20 02:35:04,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:35:04,759 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990362999] [2019-11-20 02:35:04,760 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:35:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:35:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:35:04,831 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:35:04,885 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:35:04,886 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:35:04,886 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:35:04,886 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:35:04,886 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 02:35:04,887 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:35:04,887 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:35:04,887 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:35:04,887 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product25.cil.c_Iteration1_Loop [2019-11-20 02:35:04,888 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:35:04,888 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:35:04,909 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 02:35:04,921 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 02:35:04,929 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 02:35:04,938 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 02:35:05,114 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:35:05,115 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5685aea-391e-4a6f-aad5-da46c70673ab/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) [2019-11-20 02:35:05,131 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 02:35:05,132 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5685aea-391e-4a6f-aad5-da46c70673ab/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 02:35:05,153 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 02:35:05,153 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 02:35:05,165 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 02:35:05,167 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:35:05,167 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:35:05,167 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:35:05,167 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:35:05,167 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 02:35:05,167 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:35:05,167 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:35:05,168 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:35:05,168 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product25.cil.c_Iteration1_Loop [2019-11-20 02:35:05,168 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:35:05,168 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:35:05,169 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 02:35:05,181 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 02:35:05,192 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 02:35:05,199 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 02:35:05,274 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:35:05,279 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5685aea-391e-4a6f-aad5-da46c70673ab/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) [2019-11-20 02:35:05,295 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 02:35:05,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:35:05,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:35:05,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:35:05,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:35:05,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:35:05,304 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:35:05,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:35:05,308 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 02:35:05,350 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 02:35:05,350 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_f5685aea-391e-4a6f-aad5-da46c70673ab/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 02:35:05,361 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 02:35:05,361 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 02:35:05,362 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 02:35:05,363 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 02:35:05,376 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 02:35:05,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Exception during sending of exit command (exit): Broken pipe [2019-11-20 02:35:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:35:05,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 02:35:05,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:35:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:35:05,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 02:35:05,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:35:05,700 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 02:35:05,716 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 02:35:05,717 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 864 states. Second operand 4 states. [2019-11-20 02:35:06,047 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 864 states.. Second operand 4 states. Result 3950 states and 6742 transitions. Complement of second has 7 states. [2019-11-20 02:35:06,048 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 02:35:06,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 02:35:06,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3884 transitions. [2019-11-20 02:35:06,056 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3884 transitions. Stem has 18 letters. Loop has 6 letters. [2019-11-20 02:35:06,065 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:35:06,065 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3884 transitions. Stem has 24 letters. Loop has 6 letters. [2019-11-20 02:35:06,065 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:35:06,065 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3884 transitions. Stem has 18 letters. Loop has 12 letters. [2019-11-20 02:35:06,066 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:35:06,067 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3950 states and 6742 transitions. [2019-11-20 02:35:06,112 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 509 [2019-11-20 02:35:06,131 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3950 states to 1051 states and 1924 transitions. [2019-11-20 02:35:06,132 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 540 [2019-11-20 02:35:06,135 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 541 [2019-11-20 02:35:06,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1051 states and 1924 transitions. [2019-11-20 02:35:06,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 02:35:06,138 INFO L688 BuchiCegarLoop]: Abstraction has 1051 states and 1924 transitions. [2019-11-20 02:35:06,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states and 1924 transitions. [2019-11-20 02:35:06,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 542. [2019-11-20 02:35:06,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2019-11-20 02:35:06,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 989 transitions. [2019-11-20 02:35:06,216 INFO L711 BuchiCegarLoop]: Abstraction has 542 states and 989 transitions. [2019-11-20 02:35:06,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:35:06,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:35:06,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:35:06,220 INFO L87 Difference]: Start difference. First operand 542 states and 989 transitions. Second operand 3 states. [2019-11-20 02:35:06,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:35:06,271 INFO L93 Difference]: Finished difference Result 1064 states and 1943 transitions. [2019-11-20 02:35:06,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:35:06,272 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1064 states and 1943 transitions. [2019-11-20 02:35:06,282 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 510 [2019-11-20 02:35:06,292 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1064 states to 1064 states and 1943 transitions. [2019-11-20 02:35:06,292 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 552 [2019-11-20 02:35:06,293 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 552 [2019-11-20 02:35:06,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1064 states and 1943 transitions. [2019-11-20 02:35:06,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 02:35:06,296 INFO L688 BuchiCegarLoop]: Abstraction has 1064 states and 1943 transitions. [2019-11-20 02:35:06,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states and 1943 transitions. [2019-11-20 02:35:06,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 541. [2019-11-20 02:35:06,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2019-11-20 02:35:06,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 985 transitions. [2019-11-20 02:35:06,309 INFO L711 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-11-20 02:35:06,309 INFO L591 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-11-20 02:35:06,309 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 02:35:06,309 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 541 states and 985 transitions. [2019-11-20 02:35:06,313 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-11-20 02:35:06,313 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:35:06,313 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:35:06,314 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 02:35:06,314 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:35:06,315 INFO L794 eck$LassoCheckResult]: Stem: 6926#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(10);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(34);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(30);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(16);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(20);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(44);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(44);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(11);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(19);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string49.base, #t~string49.offset, 1);call write~init~int(100, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(10, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 3 + #t~string49.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string52.base, #t~string52.offset, 1);call write~init~int(100, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(10, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(16);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(10);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(12);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(10);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(18);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(13);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(16);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(25);~head~0.base, ~head~0.offset := 0, 0;call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(30);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(9);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(21);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(30);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(9);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(21);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(30);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(9);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(25);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(30);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(9);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(25);~__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;call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string130.base, #t~string130.offset, 1);call write~init~int(115, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(10, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 3 + #t~string130.offset, 1); 6531#L-1 havoc main_#res;havoc main_#t~nondet43, main_#t~ret44, main_~retValue_acc~22, main_~tmp~11;main_~retValue_acc~22 := main_#t~nondet43;havoc main_#t~nondet43;havoc main_~tmp~11; 6532#L2515 havoc valid_product_#res;havoc valid_product_~retValue_acc~30;havoc valid_product_~retValue_acc~30;valid_product_~retValue_acc~30 := 1;valid_product_#res := valid_product_~retValue_acc~30; 7016#L2523 main_#t~ret44 := valid_product_#res;main_~tmp~11 := main_#t~ret44;havoc main_#t~ret44; 6523#L1634 assume 0 != main_~tmp~11;havoc setup_#t~nondet38, setup_#t~nondet40, setup_#t~nondet42, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 6524#L1462 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 6781#L1468-2 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; 6815#L1027 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6760#L1033-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string37.base, #t~string37.offset;havoc setup_#t~nondet38;~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; 6771#L1462-2 assume !(1 == setClientId_~handle); 6838#L1465-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 6739#L1468-5 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; 6740#L1027-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6717#L1033-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string39.base, #t~string39.offset;havoc setup_#t~nondet40;~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; 6718#L1462-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 6617#L1468-8 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; 6618#L1027-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6720#L1033-8 setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string41.base, #t~string41.offset;havoc setup_#t~nondet42; 6747#L1621 havoc test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, 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~14, test_~tmp___0~4, test_~tmp___1~3, test_~tmp___2~2, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~14;havoc test_~tmp___0~4;havoc test_~tmp___1~3;havoc test_~tmp___2~2;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 7059#L1989-1 assume !false; 7023#L1841 [2019-11-20 02:35:06,315 INFO L796 eck$LassoCheckResult]: Loop: 7023#L1841 assume test_~splverifierCounter~0 < 4; 6843#L1842 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 6741#L1848 assume !(0 == test_~op1~0); 6743#L1861 assume !(0 == test_~op2~0); 6884#L1872 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet64;havoc test_#t~nondet64; 6885#L1877 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; 6845#L1027-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6631#L1033-11 test_~op3~0 := 1; 6578#L1989-1 assume !false; 7023#L1841 [2019-11-20 02:35:06,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:35:06,316 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-11-20 02:35:06,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:35:06,316 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422254317] [2019-11-20 02:35:06,316 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:35:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:35:06,393 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 02:35:06,394 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422254317] [2019-11-20 02:35:06,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:35:06,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 02:35:06,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418863342] [2019-11-20 02:35:06,395 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 02:35:06,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:35:06,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-11-20 02:35:06,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:35:06,395 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090561080] [2019-11-20 02:35:06,395 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:35:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:35:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:35:06,413 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:35:06,487 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:35:06,487 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:35:06,487 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:35:06,487 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:35:06,487 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 02:35:06,487 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:35:06,487 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:35:06,488 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:35:06,488 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product25.cil.c_Iteration2_Loop [2019-11-20 02:35:06,488 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:35:06,488 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:35:06,489 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 02:35:06,497 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 02:35:06,500 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 02:35:06,508 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 02:35:06,517 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 02:35:06,520 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 02:35:06,525 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 02:35:06,666 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:35:06,666 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5685aea-391e-4a6f-aad5-da46c70673ab/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 02:35:06,674 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 02:35:06,674 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_f5685aea-391e-4a6f-aad5-da46c70673ab/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 02:35:06,694 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 02:35:06,694 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 02:35:06,704 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 02:35:06,706 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:35:06,706 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:35:06,707 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:35:06,707 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:35:06,707 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 02:35:06,707 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:35:06,707 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:35:06,707 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:35:06,707 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product25.cil.c_Iteration2_Loop [2019-11-20 02:35:06,707 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:35:06,707 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:35:06,709 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 02:35:06,721 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 02:35:06,724 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 02:35:06,736 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 02:35:06,741 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 02:35:06,747 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 02:35:06,763 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 02:35:06,902 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:35:06,902 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f5685aea-391e-4a6f-aad5-da46c70673ab/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 02:35:06,917 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 02:35:06,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:35:06,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:35:06,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:35:06,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:35:06,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:35:06,921 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:35:06,921 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 02:35:06,923 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 02:35:06,927 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 02:35:06,928 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_f5685aea-391e-4a6f-aad5-da46c70673ab/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 02:35:06,940 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 02:35:06,941 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 02:35:06,941 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 02:35:06,941 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 02:35:06,945 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 02:35:06,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:35:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:35:07,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 02:35:07,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:35:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:35:07,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 02:35:07,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:35:07,226 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 02:35:07,227 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 02:35:07,227 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446 Second operand 4 states. [2019-11-20 02:35:07,264 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 02:35:07,264 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 02:35:07,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 02:35:07,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2019-11-20 02:35:07,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 9 letters. [2019-11-20 02:35:07,266 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:35:07,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 29 letters. Loop has 9 letters. [2019-11-20 02:35:07,268 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:35:07,268 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 18 letters. [2019-11-20 02:35:07,271 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:35:07,271 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1055 states and 1929 transitions. [2019-11-20 02:35:07,281 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 02:35:07,281 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1055 states to 0 states and 0 transitions. [2019-11-20 02:35:07,282 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 02:35:07,282 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 02:35:07,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 02:35:07,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:35:07,282 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:35:07,282 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:35:07,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:35:07,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 02:35:07,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 02:35:07,283 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-11-20 02:35:07,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:35:07,283 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-20 02:35:07,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 02:35:07,284 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-20 02:35:07,284 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 02:35:07,284 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 02:35:07,284 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 02:35:07,285 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 02:35:07,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 02:35:07,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:35:07,285 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:35:07,285 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:35:07,285 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:35:07,285 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 02:35:07,286 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 02:35:07,286 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 02:35:07,286 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 02:35:07,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 02:35:07 BoogieIcfgContainer [2019-11-20 02:35:07,293 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 02:35:07,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:35:07,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:35:07,293 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:35:07,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:35:04" (3/4) ... [2019-11-20 02:35:07,298 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 02:35:07,298 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:35:07,301 INFO L168 Benchmark]: Toolchain (without parser) took 7039.17 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 240.6 MB). Free memory was 944.7 MB in the beginning and 927.8 MB in the end (delta: 16.9 MB). Peak memory consumption was 257.5 MB. Max. memory is 11.5 GB. [2019-11-20 02:35:07,302 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:35:07,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 879.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. [2019-11-20 02:35:07,303 INFO L168 Benchmark]: Boogie Procedure Inliner took 180.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2019-11-20 02:35:07,305 INFO L168 Benchmark]: Boogie Preprocessor took 139.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:35:07,309 INFO L168 Benchmark]: RCFGBuilder took 2712.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.4 MB). Peak memory consumption was 201.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:35:07,310 INFO L168 Benchmark]: BuchiAutomizer took 3116.28 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 66.1 MB). Free memory was 1.0 GB in the beginning and 927.8 MB in the end (delta: 77.8 MB). Peak memory consumption was 143.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:35:07,310 INFO L168 Benchmark]: Witness Printer took 5.10 ms. Allocated memory is still 1.3 GB. Free memory is still 927.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:35:07,317 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 879.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 180.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 139.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2712.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.4 MB). Peak memory consumption was 201.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3116.28 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 66.1 MB). Free memory was 1.0 GB in the beginning and 927.8 MB in the end (delta: 77.8 MB). Peak memory consumption was 143.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.10 ms. Allocated memory is still 1.3 GB. Free memory is still 927.8 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 3.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. 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: 4409 SDtfs, 3907 SDslu, 5693 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...