./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b432e815-7cc0-41a2-9c9d-353cb8c288d6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b432e815-7cc0-41a2-9c9d-353cb8c288d6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b432e815-7cc0-41a2-9c9d-353cb8c288d6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b432e815-7cc0-41a2-9c9d-353cb8c288d6/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b432e815-7cc0-41a2-9c9d-353cb8c288d6/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b432e815-7cc0-41a2-9c9d-353cb8c288d6/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 287a23d08eab86c6fb35463a3e779b64ab9bd712 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:57:07,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:57:07,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:57:07,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:57:07,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:57:07,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:57:07,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:57:07,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:57:07,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:57:07,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:57:07,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:57:07,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:57:07,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:57:07,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:57:07,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:57:07,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:57:07,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:57:07,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:57:07,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:57:07,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:57:07,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:57:07,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:57:07,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:57:07,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:57:07,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:57:07,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:57:07,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:57:07,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:57:07,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:57:07,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:57:07,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:57:07,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:57:07,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:57:07,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:57:07,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:57:07,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:57:07,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:57:07,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:57:07,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:57:07,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:57:07,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:57:07,170 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b432e815-7cc0-41a2-9c9d-353cb8c288d6/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:57:07,184 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:57:07,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:57:07,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:57:07,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:57:07,186 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:57:07,186 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:57:07,186 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:57:07,186 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:57:07,186 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:57:07,186 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:57:07,187 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:57:07,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:57:07,187 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:57:07,187 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:57:07,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:57:07,188 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:57:07,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:57:07,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:57:07,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:57:07,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:57:07,188 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:57:07,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:57:07,189 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:57:07,189 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:57:07,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:57:07,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:57:07,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:57:07,190 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:57:07,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:57:07,190 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:57:07,190 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:57:07,191 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:57:07,191 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_b432e815-7cc0-41a2-9c9d-353cb8c288d6/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 -> 287a23d08eab86c6fb35463a3e779b64ab9bd712 [2019-11-25 08:57:07,321 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:57:07,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:57:07,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:57:07,334 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:57:07,335 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:57:07,335 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b432e815-7cc0-41a2-9c9d-353cb8c288d6/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2019-11-25 08:57:07,386 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b432e815-7cc0-41a2-9c9d-353cb8c288d6/bin/uautomizer/data/115274296/8247ec129d2348d8815405555e5fc249/FLAGbb73ef9a2 [2019-11-25 08:57:07,944 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:57:07,945 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b432e815-7cc0-41a2-9c9d-353cb8c288d6/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2019-11-25 08:57:07,962 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b432e815-7cc0-41a2-9c9d-353cb8c288d6/bin/uautomizer/data/115274296/8247ec129d2348d8815405555e5fc249/FLAGbb73ef9a2 [2019-11-25 08:57:08,404 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b432e815-7cc0-41a2-9c9d-353cb8c288d6/bin/uautomizer/data/115274296/8247ec129d2348d8815405555e5fc249 [2019-11-25 08:57:08,407 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:57:08,408 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:57:08,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:57:08,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:57:08,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:57:08,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:57:08" (1/1) ... [2019-11-25 08:57:08,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@594df61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:08, skipping insertion in model container [2019-11-25 08:57:08,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:57:08" (1/1) ... [2019-11-25 08:57:08,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:57:08,495 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:57:09,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:57:09,056 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:57:09,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:57:09,283 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:57:09,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:09 WrapperNode [2019-11-25 08:57:09,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:57:09,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:57:09,286 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:57:09,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:57:09,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:09" (1/1) ... [2019-11-25 08:57:09,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:09" (1/1) ... [2019-11-25 08:57:09,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:57:09,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:57:09,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:57:09,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:57:09,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:09" (1/1) ... [2019-11-25 08:57:09,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:09" (1/1) ... [2019-11-25 08:57:09,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:09" (1/1) ... [2019-11-25 08:57:09,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:09" (1/1) ... [2019-11-25 08:57:09,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:09" (1/1) ... [2019-11-25 08:57:09,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:09" (1/1) ... [2019-11-25 08:57:09,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:09" (1/1) ... [2019-11-25 08:57:09,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:57:09,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:57:09,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:57:09,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:57:09,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b432e815-7cc0-41a2-9c9d-353cb8c288d6/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 [2019-11-25 08:57:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-25 08:57:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:57:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:57:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:57:09,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:57:10,484 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:57:10,485 INFO L284 CfgBuilder]: Removed 127 assume(true) statements. [2019-11-25 08:57:10,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:57:10 BoogieIcfgContainer [2019-11-25 08:57:10,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:57:10,486 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:57:10,487 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:57:10,489 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:57:10,491 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:57:10,492 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:57:08" (1/3) ... [2019-11-25 08:57:10,492 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52f80cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:57:10, skipping insertion in model container [2019-11-25 08:57:10,493 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:57:10,493 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:09" (2/3) ... [2019-11-25 08:57:10,493 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52f80cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:57:10, skipping insertion in model container [2019-11-25 08:57:10,493 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:57:10,493 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:57:10" (3/3) ... [2019-11-25 08:57:10,494 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec0_product05.cil.c [2019-11-25 08:57:10,536 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:57:10,536 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:57:10,536 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:57:10,536 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:57:10,537 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:57:10,537 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:57:10,537 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:57:10,537 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:57:10,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states. [2019-11-25 08:57:10,581 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2019-11-25 08:57:10,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:57:10,582 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:57:10,589 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:57:10,590 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-25 08:57:10,590 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:57:10,590 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states. [2019-11-25 08:57:10,597 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2019-11-25 08:57:10,597 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:57:10,597 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:57:10,598 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:57:10,598 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-25 08:57:10,603 INFO L794 eck$LassoCheckResult]: Stem: 96#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(44);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(44);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(9);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(9);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(11);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(21);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(25);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(16);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(10);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(16);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(21);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string77.base, #t~string77.offset, 1);call write~init~int(115, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(10, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 3 + #t~string77.offset, 1);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(10);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(12);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(10);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(18);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__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;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 13#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~ret14, main_~retValue_acc~0, main_~tmp~1;main_~retValue_acc~0 := main_#t~nondet13;havoc main_#t~nondet13;havoc main_~tmp~1; 34#L2528true havoc valid_product_#res;havoc valid_product_~retValue_acc~41;havoc valid_product_~retValue_acc~41;valid_product_~retValue_acc~41 := 1;valid_product_#res := valid_product_~retValue_acc~41; 37#L2536true main_#t~ret14 := valid_product_#res;main_~tmp~1 := main_#t~ret14;havoc main_#t~ret14; 70#L171true assume 0 != main_~tmp~1;havoc setup_#t~nondet8, setup_#t~nondet10, setup_#t~nondet12, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 23#L2253true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 130#L2259-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string7.base, #t~string7.offset;havoc setup_#t~nondet8;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 24#L2253-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 113#L2259-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 14#L2253-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 116#L2259-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 27#L158true havoc test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, 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~2, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 85#L366-1true [2019-11-25 08:57:10,604 INFO L796 eck$LassoCheckResult]: Loop: 85#L366-1true assume !false; 89#L242true assume test_~splverifierCounter~0 < 4; 33#L243true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 32#L249true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet15;havoc test_#t~nondet15; 90#L253true assume 0 != test_~tmp___9~0;test_~op1~0 := 1; 85#L366-1true [2019-11-25 08:57:10,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:10,608 INFO L82 PathProgramCache]: Analyzing trace with hash -580026000, now seen corresponding path program 1 times [2019-11-25 08:57:10,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:10,614 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213289451] [2019-11-25 08:57:10,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:10,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:57:10,867 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213289451] [2019-11-25 08:57:10,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:57:10,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:57:10,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13177191] [2019-11-25 08:57:10,875 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:57:10,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:10,875 INFO L82 PathProgramCache]: Analyzing trace with hash 103192148, now seen corresponding path program 1 times [2019-11-25 08:57:10,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:10,876 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570073414] [2019-11-25 08:57:10,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:10,922 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:57:10,971 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:57:10,972 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:57:10,972 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:57:10,972 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:57:10,972 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-25 08:57:10,973 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:10,973 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:57:10,973 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:57:10,973 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product05.cil.c_Iteration1_Loop [2019-11-25 08:57:10,974 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:57:10,974 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:57:11,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:11,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:11,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:11,127 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:57:11,127 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b432e815-7cc0-41a2-9c9d-353cb8c288d6/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) [2019-11-25 08:57:11,135 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:57:11,135 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_b432e815-7cc0-41a2-9c9d-353cb8c288d6/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) [2019-11-25 08:57:11,160 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:57:11,160 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 [2019-11-25 08:57:11,171 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-25 08:57:11,174 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:57:11,174 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:57:11,174 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:57:11,174 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:57:11,175 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:57:11,175 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:11,175 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:57:11,175 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:57:11,175 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product05.cil.c_Iteration1_Loop [2019-11-25 08:57:11,175 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:57:11,176 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:57:11,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:11,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:11,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:11,308 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:57:11,312 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b432e815-7cc0-41a2-9c9d-353cb8c288d6/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) [2019-11-25 08:57:11,327 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 [2019-11-25 08:57:11,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:57:11,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:57:11,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:57:11,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:57:11,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:57:11,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:57:11,337 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 [2019-11-25 08:57:11,339 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:57:11,351 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-25 08:57:11,351 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_b432e815-7cc0-41a2-9c9d-353cb8c288d6/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:57:11,370 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:57:11,370 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-25 08:57:11,371 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:57:11,372 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] [2019-11-25 08:57:11,377 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:11,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:11,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:57:11,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:57:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:11,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:57:11,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:57:11,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:57:11,630 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 [2019-11-25 08:57:11,631 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 132 states. Second operand 4 states. [2019-11-25 08:57:11,810 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 132 states.. Second operand 4 states. Result 564 states and 901 transitions. Complement of second has 7 states. [2019-11-25 08:57:11,811 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 [2019-11-25 08:57:11,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:57:11,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 533 transitions. [2019-11-25 08:57:11,816 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 533 transitions. Stem has 12 letters. Loop has 5 letters. [2019-11-25 08:57:11,817 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:57:11,817 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 533 transitions. Stem has 17 letters. Loop has 5 letters. [2019-11-25 08:57:11,824 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:57:11,824 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 533 transitions. Stem has 12 letters. Loop has 10 letters. [2019-11-25 08:57:11,825 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:57:11,826 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 564 states and 901 transitions. [2019-11-25 08:57:11,844 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2019-11-25 08:57:11,851 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 564 states to 135 states and 235 transitions. [2019-11-25 08:57:11,852 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 76 [2019-11-25 08:57:11,854 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 77 [2019-11-25 08:57:11,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 135 states and 235 transitions. [2019-11-25 08:57:11,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:57:11,855 INFO L688 BuchiCegarLoop]: Abstraction has 135 states and 235 transitions. [2019-11-25 08:57:11,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states and 235 transitions. [2019-11-25 08:57:11,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 78. [2019-11-25 08:57:11,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-11-25 08:57:11,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 134 transitions. [2019-11-25 08:57:11,892 INFO L711 BuchiCegarLoop]: Abstraction has 78 states and 134 transitions. [2019-11-25 08:57:11,892 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:57:11,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:57:11,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:57:11,897 INFO L87 Difference]: Start difference. First operand 78 states and 134 transitions. Second operand 3 states. [2019-11-25 08:57:11,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:57:11,927 INFO L93 Difference]: Finished difference Result 140 states and 240 transitions. [2019-11-25 08:57:11,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:57:11,932 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 140 states and 240 transitions. [2019-11-25 08:57:11,933 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2019-11-25 08:57:11,935 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 140 states to 140 states and 240 transitions. [2019-11-25 08:57:11,935 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 80 [2019-11-25 08:57:11,936 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 80 [2019-11-25 08:57:11,936 INFO L73 IsDeterministic]: Start isDeterministic. Operand 140 states and 240 transitions. [2019-11-25 08:57:11,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:57:11,936 INFO L688 BuchiCegarLoop]: Abstraction has 140 states and 240 transitions. [2019-11-25 08:57:11,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states and 240 transitions. [2019-11-25 08:57:11,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 77. [2019-11-25 08:57:11,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-11-25 08:57:11,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 130 transitions. [2019-11-25 08:57:11,946 INFO L711 BuchiCegarLoop]: Abstraction has 77 states and 130 transitions. [2019-11-25 08:57:11,946 INFO L591 BuchiCegarLoop]: Abstraction has 77 states and 130 transitions. [2019-11-25 08:57:11,947 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:57:11,947 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states and 130 transitions. [2019-11-25 08:57:11,947 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2019-11-25 08:57:11,948 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:57:11,948 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:57:11,949 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:57:11,949 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:57:11,950 INFO L794 eck$LassoCheckResult]: Stem: 1068#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(44);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(44);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(9);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(9);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(11);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(21);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(25);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(16);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(10);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(16);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(21);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string77.base, #t~string77.offset, 1);call write~init~int(115, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(10, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 3 + #t~string77.offset, 1);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(10);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(12);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(10);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(18);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__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;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1015#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~ret14, main_~retValue_acc~0, main_~tmp~1;main_~retValue_acc~0 := main_#t~nondet13;havoc main_#t~nondet13;havoc main_~tmp~1; 1013#L2528 havoc valid_product_#res;havoc valid_product_~retValue_acc~41;havoc valid_product_~retValue_acc~41;valid_product_~retValue_acc~41 := 1;valid_product_#res := valid_product_~retValue_acc~41; 1014#L2536 main_#t~ret14 := valid_product_#res;main_~tmp~1 := main_#t~ret14;havoc main_#t~ret14; 1017#L171 assume 0 != main_~tmp~1;havoc setup_#t~nondet8, setup_#t~nondet10, setup_#t~nondet12, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 1018#L2253 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 1030#L2259-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string7.base, #t~string7.offset;havoc setup_#t~nondet8;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 1058#L2253-2 assume !(1 == setClientId_~handle); 992#L2256-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 993#L2259-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 1016#L2253-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 1007#L2259-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 1059#L158 havoc test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, 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~2, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 1065#L366-1 assume !false; 1048#L242 [2019-11-25 08:57:11,955 INFO L796 eck$LassoCheckResult]: Loop: 1048#L242 assume test_~splverifierCounter~0 < 4; 1009#L243 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 1010#L249 assume !(0 == test_~op1~0); 1019#L259 assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet16;havoc test_#t~nondet16; 1020#L264 assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 1004#L366-1 assume !false; 1048#L242 [2019-11-25 08:57:11,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:11,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1897365039, now seen corresponding path program 1 times [2019-11-25 08:57:11,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:11,957 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074958151] [2019-11-25 08:57:11,957 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:12,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:57:12,103 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074958151] [2019-11-25 08:57:12,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:57:12,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:57:12,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229505378] [2019-11-25 08:57:12,104 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:57:12,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:12,105 INFO L82 PathProgramCache]: Analyzing trace with hash -977460337, now seen corresponding path program 1 times [2019-11-25 08:57:12,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:12,105 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754960114] [2019-11-25 08:57:12,105 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:12,137 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:57:12,175 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:57:12,175 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:57:12,176 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:57:12,176 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:57:12,176 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-25 08:57:12,176 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:12,176 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:57:12,176 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:57:12,176 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product05.cil.c_Iteration2_Loop [2019-11-25 08:57:12,177 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:57:12,177 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:57:12,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,314 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:57:12,314 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b432e815-7cc0-41a2-9c9d-353cb8c288d6/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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:12,323 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:57:12,323 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b432e815-7cc0-41a2-9c9d-353cb8c288d6/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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:12,333 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:57:12,333 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:57:12,339 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-25 08:57:12,342 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:57:12,342 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:57:12,342 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:57:12,342 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:57:12,342 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:57:12,342 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:12,342 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:57:12,342 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:57:12,342 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product05.cil.c_Iteration2_Loop [2019-11-25 08:57:12,343 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:57:12,343 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:57:12,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:12,514 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:57:12,514 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b432e815-7cc0-41a2-9c9d-353cb8c288d6/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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:12,525 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 [2019-11-25 08:57:12,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:57:12,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:57:12,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:57:12,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:57:12,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:57:12,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:57:12,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:57:12,532 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:57:12,548 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-25 08:57:12,548 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_b432e815-7cc0-41a2-9c9d-353cb8c288d6/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) [2019-11-25 08:57:12,557 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:57:12,557 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-25 08:57:12,557 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:57:12,557 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:12,559 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-25 08:57:12,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:12,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:57:12,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:57:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:12,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:57:12,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:57:12,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:57:12,843 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 [2019-11-25 08:57:12,843 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 77 states and 130 transitions. cyclomatic complexity: 55 Second operand 5 states. [2019-11-25 08:57:12,893 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 77 states and 130 transitions. cyclomatic complexity: 55. Second operand 5 states. Result 258 states and 447 transitions. Complement of second has 6 states. [2019-11-25 08:57:12,894 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 [2019-11-25 08:57:12,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-25 08:57:12,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 128 transitions. [2019-11-25 08:57:12,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 128 transitions. Stem has 14 letters. Loop has 6 letters. [2019-11-25 08:57:12,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:57:12,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 128 transitions. Stem has 20 letters. Loop has 6 letters. [2019-11-25 08:57:12,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:57:12,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 128 transitions. Stem has 14 letters. Loop has 12 letters. [2019-11-25 08:57:12,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:57:12,896 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 258 states and 447 transitions. [2019-11-25 08:57:12,899 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2019-11-25 08:57:12,902 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 258 states to 258 states and 447 transitions. [2019-11-25 08:57:12,902 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 78 [2019-11-25 08:57:12,902 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 80 [2019-11-25 08:57:12,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 258 states and 447 transitions. [2019-11-25 08:57:12,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:57:12,903 INFO L688 BuchiCegarLoop]: Abstraction has 258 states and 447 transitions. [2019-11-25 08:57:12,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states and 447 transitions. [2019-11-25 08:57:12,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 141. [2019-11-25 08:57:12,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-11-25 08:57:12,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 242 transitions. [2019-11-25 08:57:12,912 INFO L711 BuchiCegarLoop]: Abstraction has 141 states and 242 transitions. [2019-11-25 08:57:12,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:57:12,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:57:12,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:57:12,913 INFO L87 Difference]: Start difference. First operand 141 states and 242 transitions. Second operand 3 states. [2019-11-25 08:57:12,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:57:12,937 INFO L93 Difference]: Finished difference Result 142 states and 240 transitions. [2019-11-25 08:57:12,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:57:12,938 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 240 transitions. [2019-11-25 08:57:12,939 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2019-11-25 08:57:12,940 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 142 states and 240 transitions. [2019-11-25 08:57:12,940 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 50 [2019-11-25 08:57:12,941 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 50 [2019-11-25 08:57:12,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 142 states and 240 transitions. [2019-11-25 08:57:12,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:57:12,941 INFO L688 BuchiCegarLoop]: Abstraction has 142 states and 240 transitions. [2019-11-25 08:57:12,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states and 240 transitions. [2019-11-25 08:57:12,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 141. [2019-11-25 08:57:12,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-11-25 08:57:12,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 239 transitions. [2019-11-25 08:57:12,947 INFO L711 BuchiCegarLoop]: Abstraction has 141 states and 239 transitions. [2019-11-25 08:57:12,947 INFO L591 BuchiCegarLoop]: Abstraction has 141 states and 239 transitions. [2019-11-25 08:57:12,947 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:57:12,947 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states and 239 transitions. [2019-11-25 08:57:12,948 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2019-11-25 08:57:12,948 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:57:12,948 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:57:12,949 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:57:12,949 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:57:12,950 INFO L794 eck$LassoCheckResult]: Stem: 1773#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(44);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(44);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(9);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(9);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(11);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(21);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(25);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(16);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(10);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(16);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(21);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string77.base, #t~string77.offset, 1);call write~init~int(115, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(10, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 3 + #t~string77.offset, 1);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(10);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(12);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(10);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(18);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__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;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1716#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~ret14, main_~retValue_acc~0, main_~tmp~1;main_~retValue_acc~0 := main_#t~nondet13;havoc main_#t~nondet13;havoc main_~tmp~1; 1714#L2528 havoc valid_product_#res;havoc valid_product_~retValue_acc~41;havoc valid_product_~retValue_acc~41;valid_product_~retValue_acc~41 := 1;valid_product_#res := valid_product_~retValue_acc~41; 1715#L2536 main_#t~ret14 := valid_product_#res;main_~tmp~1 := main_#t~ret14;havoc main_#t~ret14; 1718#L171 assume 0 != main_~tmp~1;havoc setup_#t~nondet8, setup_#t~nondet10, setup_#t~nondet12, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 1719#L2253 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 1731#L2259-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string7.base, #t~string7.offset;havoc setup_#t~nondet8;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 1761#L2253-2 assume !(1 == setClientId_~handle); 1694#L2256-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 1695#L2259-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 1717#L2253-4 assume !(1 == setClientId_~handle); 1708#L2256-4 assume !(2 == setClientId_~handle); 1709#L2259-6 assume 3 == setClientId_~handle;~__ste_client_idCounter2~0 := setClientId_~value; 1760#L2259-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 1762#L158 havoc test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, 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~2, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 1770#L366-1 assume !false; 1813#L242 assume test_~splverifierCounter~0 < 4; 1710#L243 [2019-11-25 08:57:12,950 INFO L796 eck$LassoCheckResult]: Loop: 1710#L243 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 1711#L249 assume !(0 == test_~op1~0); 1720#L259 assume !(0 == test_~op2~0); 1722#L270 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet17;havoc test_#t~nondet17; 1726#L275 assume 0 != test_~tmp___7~0;test_~op3~0 := 1; 1706#L366-1 assume !false; 1749#L242 assume test_~splverifierCounter~0 < 4; 1710#L243 [2019-11-25 08:57:12,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:12,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1122563546, now seen corresponding path program 1 times [2019-11-25 08:57:12,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:12,951 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473528322] [2019-11-25 08:57:12,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:13,048 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:57:13,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:13,048 INFO L82 PathProgramCache]: Analyzing trace with hash -655079928, now seen corresponding path program 1 times [2019-11-25 08:57:13,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:13,049 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059407824] [2019-11-25 08:57:13,049 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:13,061 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:57:13,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:13,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1397323843, now seen corresponding path program 1 times [2019-11-25 08:57:13,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:13,062 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881276753] [2019-11-25 08:57:13,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:13,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:57:13,106 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881276753] [2019-11-25 08:57:13,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:57:13,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:57:13,106 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142338086] [2019-11-25 08:57:13,150 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:57:13,150 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:57:13,150 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:57:13,150 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:57:13,150 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-25 08:57:13,151 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:13,151 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:57:13,151 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:57:13,151 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product05.cil.c_Iteration3_Loop [2019-11-25 08:57:13,151 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:57:13,151 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:57:13,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:13,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:13,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:13,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:13,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:13,263 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:57:13,263 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b432e815-7cc0-41a2-9c9d-353cb8c288d6/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:57:13,273 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:57:13,273 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:13,280 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:57:13,280 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___7~0=-5, ULTIMATE.start_test_#t~nondet17=-5} Honda state: {ULTIMATE.start_test_~tmp___7~0=-5, ULTIMATE.start_test_#t~nondet17=-5} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b432e815-7cc0-41a2-9c9d-353cb8c288d6/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:57:13,298 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:57:13,298 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:13,303 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:57:13,303 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=7} Honda state: {ULTIMATE.start_test_~op1~0=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b432e815-7cc0-41a2-9c9d-353cb8c288d6/bin/uautomizer/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:13,313 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:57:13,313 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b432e815-7cc0-41a2-9c9d-353cb8c288d6/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:57:13,334 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:57:13,334 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:13,413 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-25 08:57:13,416 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:57:13,416 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:57:13,416 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:57:13,416 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:57:13,416 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:57:13,416 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:13,417 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:57:13,417 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:57:13,417 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product05.cil.c_Iteration3_Loop [2019-11-25 08:57:13,417 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:57:13,417 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:57:13,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:13,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:13,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:13,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:13,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:57:13,525 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:57:13,526 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b432e815-7cc0-41a2-9c9d-353cb8c288d6/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:57:13,544 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 [2019-11-25 08:57:13,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:57:13,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:57:13,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:57:13,546 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-25 08:57:13,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:57:13,549 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:57:13,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:13,552 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b432e815-7cc0-41a2-9c9d-353cb8c288d6/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:57:13,574 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 [2019-11-25 08:57:13,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:57:13,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:57:13,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:57:13,576 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-25 08:57:13,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:57:13,577 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:57:13,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:13,580 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b432e815-7cc0-41a2-9c9d-353cb8c288d6/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:57:13,599 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 [2019-11-25 08:57:13,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:57:13,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:57:13,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:57:13,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:57:13,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:57:13,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:57:13,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:13,605 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:57:13,607 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-25 08:57:13,607 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_b432e815-7cc0-41a2-9c9d-353cb8c288d6/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:57:13,622 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:57:13,622 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-25 08:57:13,622 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:57:13,622 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 5 Supporting invariants [] [2019-11-25 08:57:13,624 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:57:13,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:13,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:57:13,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:57:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:57:13,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:57:13,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:57:13,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:57:13,792 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 [2019-11-25 08:57:13,792 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 141 states and 239 transitions. cyclomatic complexity: 102 Second operand 3 states. [2019-11-25 08:57:13,810 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 141 states and 239 transitions. cyclomatic complexity: 102. Second operand 3 states. Result 291 states and 506 transitions. Complement of second has 4 states. [2019-11-25 08:57:13,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:57:13,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:57:13,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 74 transitions. [2019-11-25 08:57:13,811 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 74 transitions. Stem has 17 letters. Loop has 7 letters. [2019-11-25 08:57:13,811 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:57:13,811 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 74 transitions. Stem has 24 letters. Loop has 7 letters. [2019-11-25 08:57:13,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:57:13,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 74 transitions. Stem has 17 letters. Loop has 14 letters. [2019-11-25 08:57:13,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:57:13,812 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 291 states and 506 transitions. [2019-11-25 08:57:13,815 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:57:13,815 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 291 states to 0 states and 0 transitions. [2019-11-25 08:57:13,815 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:57:13,815 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:57:13,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:57:13,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:57:13,816 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:57:13,816 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:57:13,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:57:13,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:57:13,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:57:13,817 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-11-25 08:57:13,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:57:13,817 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-25 08:57:13,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:57:13,818 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-25 08:57:13,818 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:57:13,818 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:57:13,818 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:57:13,818 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:57:13,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:57:13,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:57:13,819 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:57:13,819 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:57:13,819 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:57:13,819 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-25 08:57:13,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:57:13,820 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:57:13,820 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:57:13,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:57:13 BoogieIcfgContainer [2019-11-25 08:57:13,826 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:57:13,826 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:57:13,826 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:57:13,827 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:57:13,827 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:57:10" (3/4) ... [2019-11-25 08:57:13,830 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:57:13,830 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:57:13,832 INFO L168 Benchmark]: Toolchain (without parser) took 5423.53 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 228.6 MB). Free memory was 943.4 MB in the beginning and 973.0 MB in the end (delta: -29.7 MB). Peak memory consumption was 198.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:13,833 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:57:13,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 876.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -136.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:13,834 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:13,834 INFO L168 Benchmark]: Boogie Preprocessor took 48.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:57:13,835 INFO L168 Benchmark]: RCFGBuilder took 1046.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 971.0 MB in the end (delta: 94.5 MB). Peak memory consumption was 94.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:13,836 INFO L168 Benchmark]: BuchiAutomizer took 3339.63 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 108.0 MB). Free memory was 971.0 MB in the beginning and 973.0 MB in the end (delta: -2.0 MB). Peak memory consumption was 106.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:13,836 INFO L168 Benchmark]: Witness Printer took 4.10 ms. Allocated memory is still 1.3 GB. Free memory is still 973.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:57:13,839 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 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 876.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -136.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 104.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1046.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 971.0 MB in the end (delta: 94.5 MB). Peak memory consumption was 94.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3339.63 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 108.0 MB). Free memory was 971.0 MB in the beginning and 973.0 MB in the end (delta: -2.0 MB). Peak memory consumption was 106.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.10 ms. Allocated memory is still 1.3 GB. Free memory is still 973.0 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 6 terminating modules (3 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op1 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * op2 + 1 and consists of 4 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 5 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 238 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 141 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 781 SDtfs, 749 SDslu, 792 SDs, 0 SdLazy, 48 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT1 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax100 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...