./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec4_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0b51d47c-1269-4647-bdb8-cc4142525898/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0b51d47c-1269-4647-bdb8-cc4142525898/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0b51d47c-1269-4647-bdb8-cc4142525898/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0b51d47c-1269-4647-bdb8-cc4142525898/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec4_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0b51d47c-1269-4647-bdb8-cc4142525898/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0b51d47c-1269-4647-bdb8-cc4142525898/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 7af8ad422af6600f55f50a552d60e7a7e68bb712 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:49:29,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:49:29,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:49:29,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:49:29,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:49:29,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:49:29,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:49:29,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:49:29,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:49:29,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:49:29,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:49:29,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:49:29,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:49:29,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:49:29,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:49:29,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:49:29,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:49:29,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:49:29,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:49:29,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:49:29,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:49:29,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:49:29,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:49:29,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:49:29,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:49:29,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:49:29,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:49:29,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:49:29,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:49:29,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:49:29,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:49:29,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:49:29,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:49:29,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:49:29,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:49:29,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:49:29,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:49:29,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:49:29,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:49:29,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:49:29,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:49:29,240 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0b51d47c-1269-4647-bdb8-cc4142525898/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-15 22:49:29,271 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:49:29,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:49:29,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:49:29,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:49:29,284 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:49:29,284 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 22:49:29,284 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 22:49:29,285 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 22:49:29,285 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 22:49:29,285 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 22:49:29,285 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 22:49:29,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:49:29,286 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:49:29,286 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:49:29,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:49:29,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:49:29,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:49:29,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 22:49:29,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 22:49:29,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 22:49:29,288 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:49:29,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:49:29,289 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 22:49:29,289 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:49:29,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 22:49:29,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:49:29,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:49:29,296 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 22:49:29,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:49:29,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:49:29,297 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 22:49:29,298 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 22:49:29,301 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_0b51d47c-1269-4647-bdb8-cc4142525898/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 -> 7af8ad422af6600f55f50a552d60e7a7e68bb712 [2019-11-15 22:49:29,342 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:49:29,364 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:49:29,368 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:49:29,369 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:49:29,369 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:49:29,370 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0b51d47c-1269-4647-bdb8-cc4142525898/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec4_product17.cil.c [2019-11-15 22:49:29,438 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0b51d47c-1269-4647-bdb8-cc4142525898/bin/uautomizer/data/c749e4418/a7322c6ec33d4abdb53d60446476bbac/FLAGf995f5cef [2019-11-15 22:49:30,033 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:49:30,034 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0b51d47c-1269-4647-bdb8-cc4142525898/sv-benchmarks/c/product-lines/email_spec4_product17.cil.c [2019-11-15 22:49:30,058 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0b51d47c-1269-4647-bdb8-cc4142525898/bin/uautomizer/data/c749e4418/a7322c6ec33d4abdb53d60446476bbac/FLAGf995f5cef [2019-11-15 22:49:30,248 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0b51d47c-1269-4647-bdb8-cc4142525898/bin/uautomizer/data/c749e4418/a7322c6ec33d4abdb53d60446476bbac [2019-11-15 22:49:30,252 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:49:30,254 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:49:30,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:49:30,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:49:30,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:49:30,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:49:30" (1/1) ... [2019-11-15 22:49:30,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bcd7b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:30, skipping insertion in model container [2019-11-15 22:49:30,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:49:30" (1/1) ... [2019-11-15 22:49:30,278 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:49:30,371 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:49:31,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:49:31,200 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:49:31,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:49:31,421 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:49:31,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:31 WrapperNode [2019-11-15 22:49:31,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:49:31,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:49:31,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:49:31,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:49:31,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:31" (1/1) ... [2019-11-15 22:49:31,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:31" (1/1) ... [2019-11-15 22:49:31,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:49:31,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:49:31,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:49:31,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:49:31,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:31" (1/1) ... [2019-11-15 22:49:31,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:31" (1/1) ... [2019-11-15 22:49:31,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:31" (1/1) ... [2019-11-15 22:49:31,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:31" (1/1) ... [2019-11-15 22:49:31,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:31" (1/1) ... [2019-11-15 22:49:31,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:31" (1/1) ... [2019-11-15 22:49:31,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:31" (1/1) ... [2019-11-15 22:49:31,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:49:31,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:49:31,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:49:31,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:49:31,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b51d47c-1269-4647-bdb8-cc4142525898/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 [2019-11-15 22:49:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-15 22:49:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:49:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-15 22:49:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:49:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:49:34,579 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:49:34,579 INFO L284 CfgBuilder]: Removed 437 assume(true) statements. [2019-11-15 22:49:34,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:49:34 BoogieIcfgContainer [2019-11-15 22:49:34,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:49:34,582 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 22:49:34,582 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 22:49:34,585 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 22:49:34,586 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:49:34,586 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 10:49:30" (1/3) ... [2019-11-15 22:49:34,587 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fcc7019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:49:34, skipping insertion in model container [2019-11-15 22:49:34,587 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:49:34,588 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:49:31" (2/3) ... [2019-11-15 22:49:34,588 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fcc7019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:49:34, skipping insertion in model container [2019-11-15 22:49:34,588 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:49:34,588 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:49:34" (3/3) ... [2019-11-15 22:49:34,590 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec4_product17.cil.c [2019-11-15 22:49:34,650 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 22:49:34,650 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 22:49:34,650 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 22:49:34,650 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:49:34,651 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:49:34,651 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 22:49:34,651 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:49:34,651 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 22:49:34,691 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 716 states. [2019-11-15 22:49:34,777 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2019-11-15 22:49:34,781 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:49:34,781 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:49:34,794 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:49:34,795 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-15 22:49:34,795 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 22:49:34,795 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 716 states. [2019-11-15 22:49:34,806 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2019-11-15 22:49:34,806 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:49:34,806 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:49:34,813 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:49:34,813 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-15 22:49:34,828 INFO L791 eck$LassoCheckResult]: Stem: 509#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(13);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(44);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(44);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(9);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(9);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(11);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(19);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string24.base, #t~string24.offset, 1);call write~init~int(100, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(10, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string27.base, #t~string27.offset, 1);call write~init~int(100, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(10, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(10);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(34);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(16);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(20);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string60.base, #t~string60.offset, 1);call write~init~int(115, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(10, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(10);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(12);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(10);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(18);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(13);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(16);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(25);~head~0.base, ~head~0.offset := 0, 0;call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(30);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(9);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(21);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(30);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(9);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(21);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(30);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(9);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(25);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(30);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(9);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(25); 372#L-1true havoc main_#res;havoc main_#t~ret19, main_~retValue_acc~17, main_~tmp~4;havoc main_~retValue_acc~17;havoc main_~tmp~4; 120#L1787true havoc valid_product_#res;havoc valid_product_~retValue_acc~24;havoc valid_product_~retValue_acc~24;valid_product_~retValue_acc~24 := 1;valid_product_#res := valid_product_~retValue_acc~24; 452#L1795true main_#t~ret19 := valid_product_#res;main_~tmp~4 := main_#t~ret19;havoc main_#t~ret19; 506#L1321true assume 0 != main_~tmp~4;havoc setup_#t~nondet14, setup_#t~nondet16, setup_#t~nondet18, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 440#L1143true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 64#L1149-2true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 89#L708true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 393#L714-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string13.base, #t~string13.offset;havoc setup_#t~nondet14;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 445#L1143-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 49#L1149-5true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 96#L708-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 404#L714-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string15.base, #t~string15.offset;havoc setup_#t~nondet16;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 422#L1143-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 57#L1149-8true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 104#L708-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 385#L714-8true setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string17.base, #t~string17.offset;havoc setup_#t~nondet18; 450#L1308true havoc test_#t~nondet83, test_#t~nondet84, test_#t~nondet85, test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_#t~nondet90, test_#t~nondet91, test_#t~nondet92, test_#t~nondet93, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~16, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~16;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 294#L2511-1true [2019-11-15 22:49:34,829 INFO L793 eck$LassoCheckResult]: Loop: 294#L2511-1true assume !false; 373#L2366true assume test_~splverifierCounter~0 < 4; 524#L2367true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 137#L2373true assume !(0 == test_~op1~0); 691#L2386true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet84;havoc test_#t~nondet84; 212#L2391true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 294#L2511-1true [2019-11-15 22:49:34,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:49:34,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-15 22:49:34,846 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:49:34,846 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134365763] [2019-11-15 22:49:34,846 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:34,847 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:34,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:49:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:49:35,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:49:35,295 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134365763] [2019-11-15 22:49:35,297 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:49:35,297 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:49:35,298 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132595138] [2019-11-15 22:49:35,303 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-11-15 22:49:35,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:49:35,304 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-11-15 22:49:35,304 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:49:35,304 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408042955] [2019-11-15 22:49:35,305 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:35,305 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:35,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:49:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:49:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:49:35,377 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:49:35,434 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 22:49:35,435 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 22:49:35,435 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 22:49:35,435 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 22:49:35,435 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 22:49:35,436 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:49:35,436 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 22:49:35,436 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 22:49:35,436 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec4_product17.cil.c_Iteration1_Loop [2019-11-15 22:49:35,436 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 22:49:35,437 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 22:49:35,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:49:35,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:49:35,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:49:35,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:49:35,581 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 22:49:35,582 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b51d47c-1269-4647-bdb8-cc4142525898/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) [2019-11-15 22:49:35,590 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 22:49:35,590 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_0b51d47c-1269-4647-bdb8-cc4142525898/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) [2019-11-15 22:49:35,614 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 22:49:35,614 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 [2019-11-15 22:49:35,622 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 22:49:35,626 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 22:49:35,627 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 22:49:35,627 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 22:49:35,627 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 22:49:35,627 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 22:49:35,627 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:49:35,628 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 22:49:35,628 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 22:49:35,628 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec4_product17.cil.c_Iteration1_Loop [2019-11-15 22:49:35,628 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 22:49:35,628 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 22:49:35,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:49:35,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:49:35,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:49:35,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:49:35,759 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 22:49:35,764 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 22:49:35,766 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 [2019-11-15 22:49:35,768 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:49:35,768 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:49:35,768 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:49:35,769 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-15 22:49:35,769 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:49:35,775 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 22:49:35,776 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:49:35,795 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:49:35,798 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 [2019-11-15 22:49:35,798 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:49:35,799 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:49:35,799 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:49:35,799 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:49:35,799 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:49:35,800 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:49:35,800 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:49:35,808 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-15 22:49:35,814 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-15 22:49:35,814 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-11-15 22:49:35,816 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-15 22:49:35,816 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-15 22:49:35,817 INFO L510 LassoAnalysis]: Proved termination. [2019-11-15 22:49:35,817 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-11-15 22:49:35,820 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-15 22:49:35,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:49:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:49:36,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 22:49:36,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:49:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:49:36,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-15 22:49:36,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:49:36,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:49:36,115 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 [2019-11-15 22:49:36,116 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 716 states. Second operand 4 states. [2019-11-15 22:49:36,524 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 716 states.. Second operand 4 states. Result 3214 states and 5634 transitions. Complement of second has 7 states. [2019-11-15 22:49:36,531 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 [2019-11-15 22:49:36,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-15 22:49:36,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3222 transitions. [2019-11-15 22:49:36,539 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3222 transitions. Stem has 18 letters. Loop has 6 letters. [2019-11-15 22:49:36,540 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 22:49:36,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3222 transitions. Stem has 24 letters. Loop has 6 letters. [2019-11-15 22:49:36,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 22:49:36,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3222 transitions. Stem has 18 letters. Loop has 12 letters. [2019-11-15 22:49:36,542 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 22:49:36,543 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3214 states and 5634 transitions. [2019-11-15 22:49:36,580 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 501 [2019-11-15 22:49:36,597 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3214 states to 1035 states and 1896 transitions. [2019-11-15 22:49:36,599 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 532 [2019-11-15 22:49:36,600 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 533 [2019-11-15 22:49:36,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1035 states and 1896 transitions. [2019-11-15 22:49:36,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-15 22:49:36,602 INFO L688 BuchiCegarLoop]: Abstraction has 1035 states and 1896 transitions. [2019-11-15 22:49:36,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states and 1896 transitions. [2019-11-15 22:49:36,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 534. [2019-11-15 22:49:36,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2019-11-15 22:49:36,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 975 transitions. [2019-11-15 22:49:36,690 INFO L711 BuchiCegarLoop]: Abstraction has 534 states and 975 transitions. [2019-11-15 22:49:36,691 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:49:36,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:49:36,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:49:36,696 INFO L87 Difference]: Start difference. First operand 534 states and 975 transitions. Second operand 3 states. [2019-11-15 22:49:36,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:49:36,769 INFO L93 Difference]: Finished difference Result 1048 states and 1915 transitions. [2019-11-15 22:49:36,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:49:36,770 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1048 states and 1915 transitions. [2019-11-15 22:49:36,789 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 502 [2019-11-15 22:49:36,802 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1048 states to 1048 states and 1915 transitions. [2019-11-15 22:49:36,802 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 544 [2019-11-15 22:49:36,804 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 544 [2019-11-15 22:49:36,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1048 states and 1915 transitions. [2019-11-15 22:49:36,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-15 22:49:36,805 INFO L688 BuchiCegarLoop]: Abstraction has 1048 states and 1915 transitions. [2019-11-15 22:49:36,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states and 1915 transitions. [2019-11-15 22:49:36,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 533. [2019-11-15 22:49:36,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2019-11-15 22:49:36,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 971 transitions. [2019-11-15 22:49:36,820 INFO L711 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2019-11-15 22:49:36,820 INFO L591 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2019-11-15 22:49:36,820 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-15 22:49:36,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 533 states and 971 transitions. [2019-11-15 22:49:36,824 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2019-11-15 22:49:36,824 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:49:36,824 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:49:36,825 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:49:36,826 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:49:36,826 INFO L791 eck$LassoCheckResult]: Stem: 6054#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(13);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(44);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(44);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(9);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(9);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(11);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(19);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string24.base, #t~string24.offset, 1);call write~init~int(100, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(10, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string27.base, #t~string27.offset, 1);call write~init~int(100, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(10, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(10);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(34);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(16);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(20);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string60.base, #t~string60.offset, 1);call write~init~int(115, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(10, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(10);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(12);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(10);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(18);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(13);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(16);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(25);~head~0.base, ~head~0.offset := 0, 0;call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(30);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(9);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(21);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(30);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(9);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(21);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(30);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(9);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(25);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(30);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(9);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(25); 5659#L-1 havoc main_#res;havoc main_#t~ret19, main_~retValue_acc~17, main_~tmp~4;havoc main_~retValue_acc~17;havoc main_~tmp~4; 5660#L1787 havoc valid_product_#res;havoc valid_product_~retValue_acc~24;havoc valid_product_~retValue_acc~24;valid_product_~retValue_acc~24 := 1;valid_product_#res := valid_product_~retValue_acc~24; 5933#L1795 main_#t~ret19 := valid_product_#res;main_~tmp~4 := main_#t~ret19;havoc main_#t~ret19; 5935#L1321 assume 0 != main_~tmp~4;havoc setup_#t~nondet14, setup_#t~nondet16, setup_#t~nondet18, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 5920#L1143 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 5824#L1149-2 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 5845#L708 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 5825#L714-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string13.base, #t~string13.offset;havoc setup_#t~nondet14;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 5826#L1143-2 assume !(1 == setClientId_~handle); 5927#L1146-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 5783#L1149-5 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 5784#L708-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 5834#L714-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string15.base, #t~string15.offset;havoc setup_#t~nondet16;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 5862#L1143-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 5786#L1149-8 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 5800#L708-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 5764#L714-8 setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string17.base, #t~string17.offset;havoc setup_#t~nondet18; 5787#L1308 havoc test_#t~nondet83, test_#t~nondet84, test_#t~nondet85, test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_#t~nondet90, test_#t~nondet91, test_#t~nondet92, test_#t~nondet93, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~16, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~16;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 5934#L2511-1 assume !false; 5661#L2366 [2019-11-15 22:49:36,826 INFO L793 eck$LassoCheckResult]: Loop: 5661#L2366 assume test_~splverifierCounter~0 < 4; 5662#L2367 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 6006#L2373 assume !(0 == test_~op1~0); 5695#L2386 assume !(0 == test_~op2~0); 6110#L2397 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet85;havoc test_#t~nondet85; 6107#L2402 assume 0 != test_~tmp___7~0;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := ~rjh~0, 0;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 5885#L708-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 5795#L714-11 test_~op3~0 := 1; 5618#L2511-1 assume !false; 5661#L2366 [2019-11-15 22:49:36,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:49:36,827 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-11-15 22:49:36,827 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:49:36,827 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450292461] [2019-11-15 22:49:36,827 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:36,827 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:36,828 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:49:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:49:36,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:49:36,918 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450292461] [2019-11-15 22:49:36,918 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:49:36,918 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 22:49:36,919 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022955383] [2019-11-15 22:49:36,919 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-11-15 22:49:36,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:49:36,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-11-15 22:49:36,920 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:49:36,920 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028792242] [2019-11-15 22:49:36,920 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:36,920 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:49:36,920 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:49:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:49:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:49:36,940 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:49:37,033 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 22:49:37,033 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 22:49:37,033 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 22:49:37,033 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 22:49:37,033 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 22:49:37,034 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:49:37,034 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 22:49:37,034 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 22:49:37,034 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec4_product17.cil.c_Iteration2_Loop [2019-11-15 22:49:37,034 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 22:49:37,034 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 22:49:37,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:49:37,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:49:37,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:49:37,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:49:37,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:49:37,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:49:37,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:49:37,231 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 22:49:37,232 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b51d47c-1269-4647-bdb8-cc4142525898/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) [2019-11-15 22:49:37,241 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 22:49:37,242 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:49:37,253 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 22:49:37,254 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Honda state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b51d47c-1269-4647-bdb8-cc4142525898/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:49:37,274 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 22:49:37,275 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b51d47c-1269-4647-bdb8-cc4142525898/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 [2019-11-15 22:49:37,287 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 22:49:37,287 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 22:49:37,296 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 22:49:37,298 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 22:49:37,299 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 22:49:37,299 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 22:49:37,299 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 22:49:37,299 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 22:49:37,299 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:49:37,299 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 22:49:37,299 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 22:49:37,300 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec4_product17.cil.c_Iteration2_Loop [2019-11-15 22:49:37,300 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 22:49:37,300 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 22:49:37,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:49:37,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:49:37,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:49:37,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:49:37,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:49:37,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:49:37,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:49:37,659 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 22:49:37,659 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 22:49:37,659 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 [2019-11-15 22:49:37,660 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:49:37,660 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:49:37,660 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:49:37,661 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:49:37,661 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:49:37,661 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:49:37,662 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:49:37,664 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-15 22:49:37,672 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-15 22:49:37,672 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-11-15 22:49:37,673 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-15 22:49:37,673 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-15 22:49:37,673 INFO L510 LassoAnalysis]: Proved termination. [2019-11-15 22:49:37,673 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-11-15 22:49:37,674 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-15 22:49:37,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:49:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:49:37,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 22:49:37,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:49:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:49:37,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-15 22:49:37,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:49:37,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:49:37,934 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 [2019-11-15 22:49:37,934 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440 Second operand 4 states. [2019-11-15 22:49:37,978 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440. Second operand 4 states. Result 1039 states and 1901 transitions. Complement of second has 6 states. [2019-11-15 22:49:37,978 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 [2019-11-15 22:49:37,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-15 22:49:37,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 508 transitions. [2019-11-15 22:49:37,982 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 9 letters. [2019-11-15 22:49:37,985 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 22:49:37,985 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 29 letters. Loop has 9 letters. [2019-11-15 22:49:37,985 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 22:49:37,985 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 18 letters. [2019-11-15 22:49:37,986 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 22:49:37,986 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1901 transitions. [2019-11-15 22:49:38,004 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 22:49:38,004 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 0 states and 0 transitions. [2019-11-15 22:49:38,005 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-15 22:49:38,005 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-15 22:49:38,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-15 22:49:38,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 22:49:38,005 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:49:38,006 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:49:38,006 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:49:38,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 22:49:38,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:49:38,007 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-11-15 22:49:38,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:49:38,007 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-15 22:49:38,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 22:49:38,008 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-15 22:49:38,008 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 22:49:38,008 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 22:49:38,008 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-15 22:49:38,008 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-15 22:49:38,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-15 22:49:38,009 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 22:49:38,009 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:49:38,010 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:49:38,011 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:49:38,011 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-15 22:49:38,011 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-15 22:49:38,011 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 22:49:38,011 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-15 22:49:38,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 10:49:38 BoogieIcfgContainer [2019-11-15 22:49:38,018 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 22:49:38,019 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:49:38,019 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:49:38,019 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:49:38,020 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:49:34" (3/4) ... [2019-11-15 22:49:38,023 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 22:49:38,023 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:49:38,027 INFO L168 Benchmark]: Toolchain (without parser) took 7771.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 218.1 MB). Free memory was 939.4 MB in the beginning and 990.6 MB in the end (delta: -51.2 MB). Peak memory consumption was 166.9 MB. Max. memory is 11.5 GB. [2019-11-15 22:49:38,028 INFO L168 Benchmark]: CDTParser took 0.16 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. [2019-11-15 22:49:38,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1161.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:49:38,031 INFO L168 Benchmark]: Boogie Procedure Inliner took 163.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:49:38,032 INFO L168 Benchmark]: Boogie Preprocessor took 143.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:49:38,033 INFO L168 Benchmark]: RCFGBuilder took 2850.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.2 MB). Peak memory consumption was 204.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:49:38,039 INFO L168 Benchmark]: BuchiAutomizer took 3436.68 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 1.0 GB in the beginning and 990.6 MB in the end (delta: 49.3 MB). Peak memory consumption was 117.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:49:38,040 INFO L168 Benchmark]: Witness Printer took 4.79 ms. Allocated memory is still 1.2 GB. Free memory is still 990.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:49:38,046 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 1161.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 163.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 143.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2850.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.2 MB). Peak memory consumption was 204.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3436.68 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 1.0 GB in the beginning and 990.6 MB in the end (delta: 49.3 MB). Peak memory consumption was 117.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.79 ms. Allocated memory is still 1.2 GB. Free memory is still 990.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1016 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 533 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 3942 SDtfs, 3448 SDslu, 5003 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...