./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec3_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec3_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/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 746a96abf585b1a16a8bad9cbbd95bdcada50945 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:28:52,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:28:52,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:28:52,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:28:52,444 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:28:52,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:28:52,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:28:52,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:28:52,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:28:52,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:28:52,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:28:52,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:28:52,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:28:52,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:28:52,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:28:52,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:28:52,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:28:52,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:28:52,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:28:52,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:28:52,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:28:52,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:28:52,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:28:52,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:28:52,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:28:52,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:28:52,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:28:52,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:28:52,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:28:52,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:28:52,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:28:52,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:28:52,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:28:52,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:28:52,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:28:52,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:28:52,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:28:52,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:28:52,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:28:52,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:28:52,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:28:52,470 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 17:28:52,486 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:28:52,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:28:52,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:28:52,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:28:52,487 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:28:52,487 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:28:52,488 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:28:52,488 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:28:52,488 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:28:52,488 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:28:52,488 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:28:52,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:28:52,489 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:28:52,489 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:28:52,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:28:52,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:28:52,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:28:52,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:28:52,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:28:52,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:28:52,490 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:28:52,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:28:52,490 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:28:52,491 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:28:52,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:28:52,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:28:52,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:28:52,491 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:28:52,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:28:52,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:28:52,492 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:28:52,492 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:28:52,493 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:28:52,493 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_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/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 -> 746a96abf585b1a16a8bad9cbbd95bdcada50945 [2019-12-07 17:28:52,590 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:28:52,599 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:28:52,602 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:28:52,603 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:28:52,603 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:28:52,604 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec3_productSimulator.cil.c [2019-12-07 17:28:52,641 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/bin/uautomizer/data/ac4d1f976/e36e9b6a25554a718e0e3976a2b849d6/FLAGc4b39b78b [2019-12-07 17:28:53,167 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:28:53,168 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/sv-benchmarks/c/product-lines/email_spec3_productSimulator.cil.c [2019-12-07 17:28:53,182 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/bin/uautomizer/data/ac4d1f976/e36e9b6a25554a718e0e3976a2b849d6/FLAGc4b39b78b [2019-12-07 17:28:53,623 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/bin/uautomizer/data/ac4d1f976/e36e9b6a25554a718e0e3976a2b849d6 [2019-12-07 17:28:53,625 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:28:53,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:28:53,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:28:53,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:28:53,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:28:53,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:28:53" (1/1) ... [2019-12-07 17:28:53,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49bd5314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:53, skipping insertion in model container [2019-12-07 17:28:53,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:28:53" (1/1) ... [2019-12-07 17:28:53,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:28:53,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:28:54,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:28:54,094 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:28:54,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:28:54,281 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:28:54,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:54 WrapperNode [2019-12-07 17:28:54,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:28:54,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:28:54,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:28:54,282 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:28:54,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:54" (1/1) ... [2019-12-07 17:28:54,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:54" (1/1) ... [2019-12-07 17:28:56,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:28:56,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:28:56,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:28:56,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:28:56,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:54" (1/1) ... [2019-12-07 17:28:56,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:54" (1/1) ... [2019-12-07 17:28:56,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:54" (1/1) ... [2019-12-07 17:28:56,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:54" (1/1) ... [2019-12-07 17:28:56,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:54" (1/1) ... [2019-12-07 17:28:57,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:54" (1/1) ... [2019-12-07 17:28:57,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:54" (1/1) ... [2019-12-07 17:28:57,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:28:57,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:28:57,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:28:57,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:28:57,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/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 [2019-12-07 17:28:57,724 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-12-07 17:28:57,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:28:57,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 17:28:57,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:28:57,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:29:42,448 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:29:42,448 INFO L287 CfgBuilder]: Removed 36635 assume(true) statements. [2019-12-07 17:29:42,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:29:42 BoogieIcfgContainer [2019-12-07 17:29:42,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:29:42,462 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:29:42,462 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:29:42,464 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:29:42,464 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:29:42,465 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:28:53" (1/3) ... [2019-12-07 17:29:42,465 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ba5b5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:29:42, skipping insertion in model container [2019-12-07 17:29:42,465 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:29:42,465 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:28:54" (2/3) ... [2019-12-07 17:29:42,466 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ba5b5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:29:42, skipping insertion in model container [2019-12-07 17:29:42,466 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:29:42,466 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:29:42" (3/3) ... [2019-12-07 17:29:42,467 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec3_productSimulator.cil.c [2019-12-07 17:29:42,495 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:29:42,495 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:29:42,495 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:29:42,495 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:29:42,496 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:29:42,496 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:29:42,496 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:29:42,496 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:29:42,746 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36180 states. [2019-12-07 17:29:43,072 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2019-12-07 17:29:43,073 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:29:43,073 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:29:43,080 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, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:29:43,080 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:29:43,081 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:29:43,081 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36180 states. [2019-12-07 17:29:43,264 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2019-12-07 17:29:43,264 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:29:43,264 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:29:43,267 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, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:29:43,267 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:29:43,272 INFO L794 eck$LassoCheckResult]: Stem: 6671#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(10);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(18);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(16);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(21);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(16);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string40.base, #t~string40.offset, 1);call write~init~int(115, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(10, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 3 + #t~string40.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(10);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(34);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(30);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(16);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(20);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(22);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(21);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(44);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(44);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(9);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(9);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(11);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(19);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string146.base, #t~string146.offset, 1);call write~init~int(100, #t~string146.base, 1 + #t~string146.offset, 1);call write~init~int(10, #t~string146.base, 2 + #t~string146.offset, 1);call write~init~int(0, #t~string146.base, 3 + #t~string146.offset, 1);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string149.base, #t~string149.offset, 1);call write~init~int(100, #t~string149.base, 1 + #t~string149.offset, 1);call write~init~int(10, #t~string149.base, 2 + #t~string149.offset, 1);call write~init~int(0, #t~string149.base, 3 + #t~string149.offset, 1);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(13);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(16);call #t~string161.base, #t~string161.offset := #Ultimate.allocOnStack(15);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(16);~__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;~head~0.base, ~head~0.offset := 0, 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~sent_signed~0 := -1; 31253#L-1true havoc main_#res;havoc main_#t~ret141, main_~retValue_acc~44, main_~tmp~25;havoc main_~retValue_acc~44;havoc main_~tmp~25;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 35678#L304true havoc select_features_#t~ret32, select_features_#t~ret33, select_features_#t~ret34, select_features_#t~ret35, select_features_#t~ret36, select_features_#t~ret37, select_features_#t~ret38, select_features_#t~ret39;havoc select_one_#res;havoc select_one_#t~nondet31, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet31;havoc select_one_#t~nondet31;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 8624#L277true select_features_#t~ret32 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret32;havoc select_features_#t~ret32;havoc select_one_#res;havoc select_one_#t~nondet31, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet31;havoc select_one_#t~nondet31;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 8869#L277-1true select_features_#t~ret33 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret33;havoc select_features_#t~ret33;havoc select_one_#res;havoc select_one_#t~nondet31, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet31;havoc select_one_#t~nondet31;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 8862#L277-2true select_features_#t~ret34 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret34;havoc select_features_#t~ret34;havoc select_one_#res;havoc select_one_#t~nondet31, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet31;havoc select_one_#t~nondet31;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 8861#L277-3true select_features_#t~ret35 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret35;havoc select_features_#t~ret35;havoc select_one_#res;havoc select_one_#t~nondet31, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet31;havoc select_one_#t~nondet31;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 8854#L277-4true select_features_#t~ret36 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret36;havoc select_features_#t~ret36;~__SELECTED_FEATURE_Sign~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet31, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet31;havoc select_one_#t~nondet31;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 8853#L277-5true select_features_#t~ret37 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret37;havoc select_features_#t~ret37;havoc select_one_#res;havoc select_one_#t~nondet31, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet31;havoc select_one_#t~nondet31;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 8846#L277-6true select_features_#t~ret38 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret38;havoc select_features_#t~ret38;havoc select_one_#res;havoc select_one_#t~nondet31, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet31;havoc select_one_#t~nondet31;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 8885#L277-7true select_features_#t~ret39 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret39;havoc select_features_#t~ret39; 7058#L296true havoc valid_product_#res;havoc valid_product_~retValue_acc~6, valid_product_~tmp~5;havoc valid_product_~retValue_acc~6;havoc valid_product_~tmp~5; 35445#L312true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 35947#L315true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~5 := 0; 35950#L315-1true valid_product_~retValue_acc~6 := valid_product_~tmp~5;valid_product_#res := valid_product_~retValue_acc~6; 35979#L372true main_#t~ret141 := valid_product_#res;main_~tmp~25 := main_#t~ret141;havoc main_#t~ret141; 34371#L3284true assume 0 != main_~tmp~25;havoc setup_#t~nondet136, setup_#t~nondet138, setup_#t~nondet140, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.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_tmp3~4.base, setup_~__cil_tmp3~4.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; 35525#L3128true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 2790#L3075-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7933#L3081-5true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string135.base, #t~string135.offset;havoc setup_#t~nondet136;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 36102#L3166true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 2497#L3075-6true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7906#L3081-11true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string137.base, #t~string137.offset;havoc setup_#t~nondet138;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 36077#L3204true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 2475#L3075-10true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7894#L3081-17true setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string139.base, #t~string139.offset;havoc setup_#t~nondet140; 35149#L3271true havoc test_#t~nondet115, test_#t~nondet116, test_#t~nondet117, test_#t~nondet118, test_#t~nondet119, test_#t~nondet120, test_#t~nondet121, test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, 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~21, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~4, 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~21;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~4;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; 32709#L1986-1true [2019-12-07 17:29:43,272 INFO L796 eck$LassoCheckResult]: Loop: 32709#L1986-1true assume !false; 36076#L1795true assume test_~splverifierCounter~0 < 4; 36023#L1796true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 34089#L1802true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet115;havoc test_#t~nondet115; 34065#L1806true assume 0 != test_~tmp___9~0; 34008#L1807true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 34007#L1807-1true test_~op1~0 := 1; 32709#L1986-1true [2019-12-07 17:29:43,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:29:43,278 INFO L82 PathProgramCache]: Analyzing trace with hash -2102633898, now seen corresponding path program 1 times [2019-12-07 17:29:43,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:29:43,285 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82651200] [2019-12-07 17:29:43,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:29:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:29:43,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:29:43,531 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82651200] [2019-12-07 17:29:43,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:29:43,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 17:29:43,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739150663] [2019-12-07 17:29:43,537 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 17:29:43,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:29:43,537 INFO L82 PathProgramCache]: Analyzing trace with hash 569592791, now seen corresponding path program 1 times [2019-12-07 17:29:43,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:29:43,538 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473610568] [2019-12-07 17:29:43,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:29:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:43,573 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:29:43,601 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:29:43,601 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:29:43,601 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:29:43,601 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:29:43,601 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 17:29:43,602 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:43,602 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:29:43,602 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:29:43,602 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_productSimulator.cil.c_Iteration1_Loop [2019-12-07 17:29:43,602 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:29:43,602 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:29:43,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:43,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:43,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:43,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:43,686 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:29:43,687 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:43,691 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:29:43,692 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:43,700 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 17:29:43,701 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:29:43,706 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 17:29:43,708 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:29:43,708 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:29:43,708 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:29:43,708 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:29:43,708 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:29:43,708 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:43,709 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:29:43,709 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:29:43,709 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_productSimulator.cil.c_Iteration1_Loop [2019-12-07 17:29:43,709 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:29:43,709 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:29:43,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:43,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:43,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:43,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:43,769 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:29:43,772 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:43,776 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 [2019-12-07 17:29:43,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:43,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:29:43,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:29:43,778 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 17:29:43,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:43,781 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:29:43,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:29:43,784 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/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 [2019-12-07 17:29:43,789 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 [2019-12-07 17:29:43,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:43,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:29:43,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:29:43,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:29:43,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:43,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:29:43,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:29:43,794 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:29:43,799 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 17:29:43,799 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/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 [2019-12-07 17:29:43,803 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:29:43,804 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 17:29:43,804 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:29:43,804 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] [2019-12-07 17:29:43,809 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 17:29:43,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:29:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:29:43,978 INFO L264 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:29:43,981 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:29:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:29:44,006 INFO L264 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 17:29:44,007 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:29:44,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:29:44,040 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 [2019-12-07 17:29:44,041 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36180 states. Second operand 4 states. [2019-12-07 17:29:46,595 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36180 states.. Second operand 4 states. Result 180271 states and 290272 transitions. Complement of second has 7 states. [2019-12-07 17:29:46,596 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 [2019-12-07 17:29:46,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 17:29:46,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 174180 transitions. [2019-12-07 17:29:46,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 174180 transitions. Stem has 27 letters. Loop has 7 letters. [2019-12-07 17:29:46,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:29:46,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 174180 transitions. Stem has 34 letters. Loop has 7 letters. [2019-12-07 17:29:46,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:29:46,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 174180 transitions. Stem has 27 letters. Loop has 14 letters. [2019-12-07 17:29:46,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:29:46,718 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 180271 states and 290272 transitions. [2019-12-07 17:29:47,211 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 435 [2019-12-07 17:29:47,222 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 180271 states to 990 states and 1812 transitions. [2019-12-07 17:29:47,222 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 501 [2019-12-07 17:29:47,224 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 502 [2019-12-07 17:29:47,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 990 states and 1812 transitions. [2019-12-07 17:29:47,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:29:47,228 INFO L688 BuchiCegarLoop]: Abstraction has 990 states and 1812 transitions. [2019-12-07 17:29:47,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states and 1812 transitions. [2019-12-07 17:29:47,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 555. [2019-12-07 17:29:47,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2019-12-07 17:29:47,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1011 transitions. [2019-12-07 17:29:47,268 INFO L711 BuchiCegarLoop]: Abstraction has 555 states and 1011 transitions. [2019-12-07 17:29:47,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:29:47,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 17:29:47,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:29:47,272 INFO L87 Difference]: Start difference. First operand 555 states and 1011 transitions. Second operand 5 states. [2019-12-07 17:29:47,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:29:47,326 INFO L93 Difference]: Finished difference Result 558 states and 1013 transitions. [2019-12-07 17:29:47,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 17:29:47,327 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 558 states and 1013 transitions. [2019-12-07 17:29:47,329 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2019-12-07 17:29:47,334 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 558 states to 555 states and 1004 transitions. [2019-12-07 17:29:47,334 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 284 [2019-12-07 17:29:47,335 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 284 [2019-12-07 17:29:47,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 555 states and 1004 transitions. [2019-12-07 17:29:47,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:29:47,335 INFO L688 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2019-12-07 17:29:47,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states and 1004 transitions. [2019-12-07 17:29:47,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2019-12-07 17:29:47,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2019-12-07 17:29:47,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1004 transitions. [2019-12-07 17:29:47,346 INFO L711 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2019-12-07 17:29:47,346 INFO L591 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2019-12-07 17:29:47,346 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 17:29:47,346 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 555 states and 1004 transitions. [2019-12-07 17:29:47,347 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2019-12-07 17:29:47,347 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:29:47,347 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:29:47,349 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:29:47,349 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:29:47,349 INFO L794 eck$LassoCheckResult]: Stem: 218087#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(10);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(18);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(16);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(21);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(16);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string40.base, #t~string40.offset, 1);call write~init~int(115, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(10, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 3 + #t~string40.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(10);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(34);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(30);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(16);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(20);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(22);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(21);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(44);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(44);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(9);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(9);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(11);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(19);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string146.base, #t~string146.offset, 1);call write~init~int(100, #t~string146.base, 1 + #t~string146.offset, 1);call write~init~int(10, #t~string146.base, 2 + #t~string146.offset, 1);call write~init~int(0, #t~string146.base, 3 + #t~string146.offset, 1);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string149.base, #t~string149.offset, 1);call write~init~int(100, #t~string149.base, 1 + #t~string149.offset, 1);call write~init~int(10, #t~string149.base, 2 + #t~string149.offset, 1);call write~init~int(0, #t~string149.base, 3 + #t~string149.offset, 1);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(13);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(16);call #t~string161.base, #t~string161.offset := #Ultimate.allocOnStack(15);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(16);~__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;~head~0.base, ~head~0.offset := 0, 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~sent_signed~0 := -1; 217707#L-1 havoc main_#res;havoc main_#t~ret141, main_~retValue_acc~44, main_~tmp~25;havoc main_~retValue_acc~44;havoc main_~tmp~25;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 217708#L304 havoc select_features_#t~ret32, select_features_#t~ret33, select_features_#t~ret34, select_features_#t~ret35, select_features_#t~ret36, select_features_#t~ret37, select_features_#t~ret38, select_features_#t~ret39;havoc select_one_#res;havoc select_one_#t~nondet31, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet31;havoc select_one_#t~nondet31;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 218198#L277 select_features_#t~ret32 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret32;havoc select_features_#t~ret32;havoc select_one_#res;havoc select_one_#t~nondet31, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet31;havoc select_one_#t~nondet31;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 218199#L277-1 select_features_#t~ret33 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret33;havoc select_features_#t~ret33;havoc select_one_#res;havoc select_one_#t~nondet31, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet31;havoc select_one_#t~nondet31;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 218253#L277-2 select_features_#t~ret34 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret34;havoc select_features_#t~ret34;havoc select_one_#res;havoc select_one_#t~nondet31, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet31;havoc select_one_#t~nondet31;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 218252#L277-3 select_features_#t~ret35 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret35;havoc select_features_#t~ret35;havoc select_one_#res;havoc select_one_#t~nondet31, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet31;havoc select_one_#t~nondet31;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 218251#L277-4 select_features_#t~ret36 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret36;havoc select_features_#t~ret36;~__SELECTED_FEATURE_Sign~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet31, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet31;havoc select_one_#t~nondet31;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 218250#L277-5 select_features_#t~ret37 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret37;havoc select_features_#t~ret37;havoc select_one_#res;havoc select_one_#t~nondet31, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet31;havoc select_one_#t~nondet31;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 218248#L277-6 select_features_#t~ret38 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret38;havoc select_features_#t~ret38;havoc select_one_#res;havoc select_one_#t~nondet31, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet31;havoc select_one_#t~nondet31;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 218249#L277-7 select_features_#t~ret39 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret39;havoc select_features_#t~ret39; 217705#L296 havoc valid_product_#res;havoc valid_product_~retValue_acc~6, valid_product_~tmp~5;havoc valid_product_~retValue_acc~6;havoc valid_product_~tmp~5; 217706#L312 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 217864#L316 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 218190#L321 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 218046#L326 assume 0 == ~__SELECTED_FEATURE_Sign~0; 218139#L331 assume 0 == ~__SELECTED_FEATURE_Verify~0; 218043#L336 assume 0 == ~__SELECTED_FEATURE_Sign~0; 217710#L341 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~5 := 1; 218129#L315-1 valid_product_~retValue_acc~6 := valid_product_~tmp~5;valid_product_#res := valid_product_~retValue_acc~6; 217998#L372 main_#t~ret141 := valid_product_#res;main_~tmp~25 := main_#t~ret141;havoc main_#t~ret141; 217999#L3284 assume 0 != main_~tmp~25;havoc setup_#t~nondet136, setup_#t~nondet138, setup_#t~nondet140, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.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_tmp3~4.base, setup_~__cil_tmp3~4.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; 218209#L3128 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 218210#L3075-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 217862#L3081-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string135.base, #t~string135.offset;havoc setup_#t~nondet136;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 217863#L3166 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 218008#L3075-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 217777#L3081-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string137.base, #t~string137.offset;havoc setup_#t~nondet138;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 217778#L3204 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 217976#L3075-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 217755#L3081-17 setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string139.base, #t~string139.offset;havoc setup_#t~nondet140; 217756#L3271 havoc test_#t~nondet115, test_#t~nondet116, test_#t~nondet117, test_#t~nondet118, test_#t~nondet119, test_#t~nondet120, test_#t~nondet121, test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, 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~21, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~4, 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~21;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~4;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; 218220#L1986-1 assume !false; 217759#L1795 [2019-12-07 17:29:47,350 INFO L796 eck$LassoCheckResult]: Loop: 217759#L1795 assume test_~splverifierCounter~0 < 4; 218027#L1796 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 218191#L1802 assume !(0 == test_~op1~0); 218023#L1819 assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet116;havoc test_#t~nondet116; 218193#L1824 assume 0 != test_~tmp___8~0; 218194#L1825 assume !(0 != ~__SELECTED_FEATURE_AutoResponder~0); 218068#L1825-1 test_~op2~0 := 1; 217725#L1986-1 assume !false; 217759#L1795 [2019-12-07 17:29:47,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:29:47,350 INFO L82 PathProgramCache]: Analyzing trace with hash 507241003, now seen corresponding path program 1 times [2019-12-07 17:29:47,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:29:47,350 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342005556] [2019-12-07 17:29:47,350 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:29:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:29:47,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:29:47,415 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342005556] [2019-12-07 17:29:47,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:29:47,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:29:47,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732203433] [2019-12-07 17:29:47,416 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 17:29:47,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:29:47,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1422577527, now seen corresponding path program 1 times [2019-12-07 17:29:47,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:29:47,417 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231041789] [2019-12-07 17:29:47,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:29:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:47,430 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:29:47,455 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:29:47,455 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:29:47,455 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:29:47,456 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:29:47,456 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 17:29:47,456 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:47,456 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:29:47,456 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:29:47,456 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_productSimulator.cil.c_Iteration2_Loop [2019-12-07 17:29:47,456 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:29:47,456 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:29:47,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:47,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:47,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:47,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:47,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:47,519 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:29:47,519 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:47,522 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:29:47,522 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:47,532 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 17:29:47,533 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:29:47,536 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 17:29:47,538 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:29:47,538 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:29:47,538 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:29:47,538 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:29:47,538 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:29:47,538 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:47,539 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:29:47,539 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:29:47,539 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_productSimulator.cil.c_Iteration2_Loop [2019-12-07 17:29:47,539 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:29:47,539 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:29:47,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:47,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:47,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:47,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:47,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:47,607 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:29:47,608 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:47,610 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 [2019-12-07 17:29:47,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:47,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:29:47,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:29:47,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:29:47,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:47,613 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:29:47,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:29:47,614 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:29:47,617 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 17:29:47,617 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:47,619 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:29:47,619 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 17:29:47,620 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:29:47,620 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-12-07 17:29:47,621 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 17:29:47,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:29:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:29:47,741 INFO L264 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:29:47,743 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:29:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:29:47,761 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 17:29:47,761 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:29:47,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:29:47,777 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 [2019-12-07 17:29:47,777 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 555 states and 1004 transitions. cyclomatic complexity: 451 Second operand 5 states. [2019-12-07 17:29:47,867 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 555 states and 1004 transitions. cyclomatic complexity: 451. Second operand 5 states. Result 2006 states and 3673 transitions. Complement of second has 6 states. [2019-12-07 17:29:47,868 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 [2019-12-07 17:29:47,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 17:29:47,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1089 transitions. [2019-12-07 17:29:47,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 8 letters. [2019-12-07 17:29:47,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:29:47,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 41 letters. Loop has 8 letters. [2019-12-07 17:29:47,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:29:47,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 16 letters. [2019-12-07 17:29:47,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:29:47,870 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2006 states and 3673 transitions. [2019-12-07 17:29:47,875 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 425 [2019-12-07 17:29:47,887 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2006 states to 1996 states and 3655 transitions. [2019-12-07 17:29:47,887 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 494 [2019-12-07 17:29:47,887 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 496 [2019-12-07 17:29:47,887 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1996 states and 3655 transitions. [2019-12-07 17:29:47,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:29:47,887 INFO L688 BuchiCegarLoop]: Abstraction has 1996 states and 3655 transitions. [2019-12-07 17:29:47,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states and 3655 transitions. [2019-12-07 17:29:47,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1039. [2019-12-07 17:29:47,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1039 states. [2019-12-07 17:29:47,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1894 transitions. [2019-12-07 17:29:47,905 INFO L711 BuchiCegarLoop]: Abstraction has 1039 states and 1894 transitions. [2019-12-07 17:29:47,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:29:47,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:29:47,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:29:47,906 INFO L87 Difference]: Start difference. First operand 1039 states and 1894 transitions. Second operand 3 states. [2019-12-07 17:29:48,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:29:48,005 INFO L93 Difference]: Finished difference Result 1039 states and 1892 transitions. [2019-12-07 17:29:48,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:29:48,006 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1892 transitions. [2019-12-07 17:29:48,008 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2019-12-07 17:29:48,013 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 1039 states and 1892 transitions. [2019-12-07 17:29:48,013 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 281 [2019-12-07 17:29:48,014 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 281 [2019-12-07 17:29:48,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1039 states and 1892 transitions. [2019-12-07 17:29:48,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:29:48,014 INFO L688 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2019-12-07 17:29:48,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states and 1892 transitions. [2019-12-07 17:29:48,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1039. [2019-12-07 17:29:48,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1039 states. [2019-12-07 17:29:48,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1892 transitions. [2019-12-07 17:29:48,026 INFO L711 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2019-12-07 17:29:48,026 INFO L591 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2019-12-07 17:29:48,026 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 17:29:48,026 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1039 states and 1892 transitions. [2019-12-07 17:29:48,027 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2019-12-07 17:29:48,027 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:29:48,028 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:29:48,029 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:29:48,029 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:29:48,029 INFO L794 eck$LassoCheckResult]: Stem: 222872#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(10);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(18);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(16);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(21);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(16);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string40.base, #t~string40.offset, 1);call write~init~int(115, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(10, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 3 + #t~string40.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(10);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(34);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(30);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(16);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(20);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(22);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(21);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(44);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(44);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(9);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(9);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(11);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(19);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string146.base, #t~string146.offset, 1);call write~init~int(100, #t~string146.base, 1 + #t~string146.offset, 1);call write~init~int(10, #t~string146.base, 2 + #t~string146.offset, 1);call write~init~int(0, #t~string146.base, 3 + #t~string146.offset, 1);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string149.base, #t~string149.offset, 1);call write~init~int(100, #t~string149.base, 1 + #t~string149.offset, 1);call write~init~int(10, #t~string149.base, 2 + #t~string149.offset, 1);call write~init~int(0, #t~string149.base, 3 + #t~string149.offset, 1);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(13);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(16);call #t~string161.base, #t~string161.offset := #Ultimate.allocOnStack(15);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(16);~__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;~head~0.base, ~head~0.offset := 0, 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~sent_signed~0 := -1; 222493#L-1 havoc main_#res;havoc main_#t~ret141, main_~retValue_acc~44, main_~tmp~25;havoc main_~retValue_acc~44;havoc main_~tmp~25;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 222494#L304 havoc select_features_#t~ret32, select_features_#t~ret33, select_features_#t~ret34, select_features_#t~ret35, select_features_#t~ret36, select_features_#t~ret37, select_features_#t~ret38, select_features_#t~ret39;havoc select_one_#res;havoc select_one_#t~nondet31, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet31;havoc select_one_#t~nondet31;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 222989#L277 select_features_#t~ret32 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret32;havoc select_features_#t~ret32;havoc select_one_#res;havoc select_one_#t~nondet31, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet31;havoc select_one_#t~nondet31;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 222990#L277-1 select_features_#t~ret33 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret33;havoc select_features_#t~ret33;havoc select_one_#res;havoc select_one_#t~nondet31, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet31;havoc select_one_#t~nondet31;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 223056#L277-2 select_features_#t~ret34 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret34;havoc select_features_#t~ret34;havoc select_one_#res;havoc select_one_#t~nondet31, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet31;havoc select_one_#t~nondet31;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 223055#L277-3 select_features_#t~ret35 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret35;havoc select_features_#t~ret35;havoc select_one_#res;havoc select_one_#t~nondet31, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet31;havoc select_one_#t~nondet31;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 223054#L277-4 select_features_#t~ret36 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret36;havoc select_features_#t~ret36;~__SELECTED_FEATURE_Sign~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet31, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet31;havoc select_one_#t~nondet31;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 223053#L277-5 select_features_#t~ret37 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret37;havoc select_features_#t~ret37;havoc select_one_#res;havoc select_one_#t~nondet31, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet31;havoc select_one_#t~nondet31;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 223051#L277-6 select_features_#t~ret38 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret38;havoc select_features_#t~ret38;havoc select_one_#res;havoc select_one_#t~nondet31, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet31;havoc select_one_#t~nondet31;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 223052#L277-7 select_features_#t~ret39 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret39;havoc select_features_#t~ret39; 222491#L296 havoc valid_product_#res;havoc valid_product_~retValue_acc~6, valid_product_~tmp~5;havoc valid_product_~retValue_acc~6;havoc valid_product_~tmp~5; 222492#L312 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 222651#L316 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 222980#L321 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 222833#L326 assume !(0 == ~__SELECTED_FEATURE_Sign~0); 222924#L330 assume 0 != ~__SELECTED_FEATURE_Verify~0; 222925#L331 assume 0 == ~__SELECTED_FEATURE_Verify~0; 222830#L336 assume !(0 == ~__SELECTED_FEATURE_Sign~0); 222495#L340 assume 0 != ~__SELECTED_FEATURE_Keys~0; 222496#L341 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~5 := 1; 222915#L315-1 valid_product_~retValue_acc~6 := valid_product_~tmp~5;valid_product_#res := valid_product_~retValue_acc~6; 222785#L372 main_#t~ret141 := valid_product_#res;main_~tmp~25 := main_#t~ret141;havoc main_#t~ret141; 222786#L3284 assume 0 != main_~tmp~25;havoc setup_#t~nondet136, setup_#t~nondet138, setup_#t~nondet140, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.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_tmp3~4.base, setup_~__cil_tmp3~4.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; 223003#L3128 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 223004#L3075-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 222649#L3081-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string135.base, #t~string135.offset;havoc setup_#t~nondet136;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 222650#L3166 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 222796#L3075-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 222564#L3081-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string137.base, #t~string137.offset;havoc setup_#t~nondet138;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 222565#L3204 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 222763#L3075-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 222542#L3081-17 setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string139.base, #t~string139.offset;havoc setup_#t~nondet140; 222543#L3271 havoc test_#t~nondet115, test_#t~nondet116, test_#t~nondet117, test_#t~nondet118, test_#t~nondet119, test_#t~nondet120, test_#t~nondet121, test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, 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~21, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~4, 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~21;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~4;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; 223014#L1986-1 assume !false; 223119#L1795 assume test_~splverifierCounter~0 < 4; 222993#L1796 [2019-12-07 17:29:48,029 INFO L796 eck$LassoCheckResult]: Loop: 222993#L1796 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 222981#L1802 assume !(0 == test_~op1~0); 222811#L1819 assume !(0 == test_~op2~0); 222657#L1837 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet117;havoc test_#t~nondet117; 222658#L1842 assume 0 != test_~tmp___7~0; 222499#L1843 assume !(0 != ~__SELECTED_FEATURE_Keys~0); 222501#L1843-1 test_~op3~0 := 1; 222511#L1986-1 assume !false; 222546#L1795 assume test_~splverifierCounter~0 < 4; 222993#L1796 [2019-12-07 17:29:48,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:29:48,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1345931480, now seen corresponding path program 1 times [2019-12-07 17:29:48,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:29:48,030 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824724411] [2019-12-07 17:29:48,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:29:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:29:48,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:29:48,084 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824724411] [2019-12-07 17:29:48,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:29:48,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:29:48,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731461085] [2019-12-07 17:29:48,085 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 17:29:48,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:29:48,085 INFO L82 PathProgramCache]: Analyzing trace with hash -986478044, now seen corresponding path program 1 times [2019-12-07 17:29:48,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:29:48,085 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952226959] [2019-12-07 17:29:48,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:29:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:48,099 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:29:48,126 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:29:48,126 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:29:48,126 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:29:48,126 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:29:48,126 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 17:29:48,126 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:48,126 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:29:48,126 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:29:48,126 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_productSimulator.cil.c_Iteration3_Loop [2019-12-07 17:29:48,126 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:29:48,127 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:29:48,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:48,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:48,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:48,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:48,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:48,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:48,199 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:29:48,199 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:48,202 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:29:48,202 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:29:48,206 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:29:48,206 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__SELECTED_FEATURE_Keys~0=0} Honda state: {~__SELECTED_FEATURE_Keys~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:48,210 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:29:48,211 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:29:48,214 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:29:48,214 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=7} Honda state: {ULTIMATE.start_test_~op1~0=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:48,219 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:29:48,219 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:48,226 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 17:29:48,226 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:29:48,292 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 17:29:48,294 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:29:48,294 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:29:48,294 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:29:48,294 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:29:48,294 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:29:48,294 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:48,294 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:29:48,294 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:29:48,294 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_productSimulator.cil.c_Iteration3_Loop [2019-12-07 17:29:48,294 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:29:48,295 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:29:48,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:48,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:48,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:48,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:48,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:48,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:48,364 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:29:48,365 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:48,368 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 [2019-12-07 17:29:48,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:48,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:29:48,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:29:48,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:29:48,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:48,370 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:29:48,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:29:48,374 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:48,381 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 [2019-12-07 17:29:48,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:48,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:29:48,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:29:48,382 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 17:29:48,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:48,383 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:29:48,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:29:48,385 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:48,389 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 [2019-12-07 17:29:48,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:48,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:29:48,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:29:48,390 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 17:29:48,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:48,392 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:29:48,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:29:48,394 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/bin/uautomizer/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:48,398 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 [2019-12-07 17:29:48,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:48,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:29:48,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:29:48,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:29:48,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:48,401 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:29:48,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:29:48,403 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:29:48,404 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 17:29:48,405 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_913abf9b-3e78-4dec-8a90-efc0acb1ff0a/bin/uautomizer/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:48,408 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:29:48,408 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 17:29:48,408 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:29:48,408 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 5 Supporting invariants [] [2019-12-07 17:29:48,410 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 17:29:48,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:29:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:29:48,515 INFO L264 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:29:48,516 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:29:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:29:48,536 INFO L264 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 17:29:48,536 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:29:48,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:29:48,543 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 [2019-12-07 17:29:48,543 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1039 states and 1892 transitions. cyclomatic complexity: 857 Second operand 3 states. [2019-12-07 17:29:48,590 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1039 states and 1892 transitions. cyclomatic complexity: 857. Second operand 3 states. Result 2228 states and 4083 transitions. Complement of second has 4 states. [2019-12-07 17:29:48,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 17:29:48,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:29:48,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 599 transitions. [2019-12-07 17:29:48,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 36 letters. Loop has 9 letters. [2019-12-07 17:29:48,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:29:48,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 45 letters. Loop has 9 letters. [2019-12-07 17:29:48,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:29:48,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 36 letters. Loop has 18 letters. [2019-12-07 17:29:48,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:29:48,592 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2228 states and 4083 transitions. [2019-12-07 17:29:48,597 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:29:48,597 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2228 states to 0 states and 0 transitions. [2019-12-07 17:29:48,597 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:29:48,598 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:29:48,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:29:48,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:29:48,598 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:29:48,598 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:29:48,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:29:48,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:29:48,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:29:48,598 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-12-07 17:29:48,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:29:48,598 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-12-07 17:29:48,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:29:48,598 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-12-07 17:29:48,599 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:29:48,599 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 17:29:48,599 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:29:48,599 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:29:48,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:29:48,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:29:48,599 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:29:48,599 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:29:48,599 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:29:48,599 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 17:29:48,599 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:29:48,599 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:29:48,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 17:29:48,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 05:29:48 BoogieIcfgContainer [2019-12-07 17:29:48,603 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 17:29:48,604 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:29:48,604 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:29:48,604 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:29:48,604 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:29:42" (3/4) ... [2019-12-07 17:29:48,606 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:29:48,607 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:29:48,608 INFO L168 Benchmark]: Toolchain (without parser) took 54981.93 ms. Allocated memory was 1.0 GB in the beginning and 5.2 GB in the end (delta: 4.2 GB). Free memory was 939.8 MB in the beginning and 1.2 GB in the end (delta: -234.7 MB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. [2019-12-07 17:29:48,608 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:29:48,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 939.8 MB in the beginning and 1.0 GB in the end (delta: -63.7 MB). Peak memory consumption was 41.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:29:48,609 INFO L168 Benchmark]: Boogie Procedure Inliner took 1963.68 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 225.4 MB). Free memory was 1.0 GB in the beginning and 759.7 MB in the end (delta: 243.8 MB). Peak memory consumption was 709.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:29:48,610 INFO L168 Benchmark]: Boogie Preprocessor took 1431.17 ms. Allocated memory was 1.3 GB in the beginning and 1.9 GB in the end (delta: 510.1 MB). Free memory was 759.7 MB in the beginning and 1.1 GB in the end (delta: -376.6 MB). Peak memory consumption was 400.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:29:48,610 INFO L168 Benchmark]: RCFGBuilder took 44784.12 ms. Allocated memory was 1.9 GB in the beginning and 5.1 GB in the end (delta: 3.3 GB). Free memory was 1.1 GB in the beginning and 2.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. [2019-12-07 17:29:48,611 INFO L168 Benchmark]: BuchiAutomizer took 6141.80 ms. Allocated memory was 5.1 GB in the beginning and 5.2 GB in the end (delta: 93.8 MB). Free memory was 2.8 GB in the beginning and 1.2 GB in the end (delta: 1.7 GB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2019-12-07 17:29:48,611 INFO L168 Benchmark]: Witness Printer took 2.90 ms. Allocated memory is still 5.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:29:48,613 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 655.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 939.8 MB in the beginning and 1.0 GB in the end (delta: -63.7 MB). Peak memory consumption was 41.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 1963.68 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 225.4 MB). Free memory was 1.0 GB in the beginning and 759.7 MB in the end (delta: 243.8 MB). Peak memory consumption was 709.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 1431.17 ms. Allocated memory was 1.3 GB in the beginning and 1.9 GB in the end (delta: 510.1 MB). Free memory was 759.7 MB in the beginning and 1.1 GB in the end (delta: -376.6 MB). Peak memory consumption was 400.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 44784.12 ms. Allocated memory was 1.9 GB in the beginning and 5.1 GB in the end (delta: 3.3 GB). Free memory was 1.1 GB in the beginning and 2.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. * BuchiAutomizer took 6141.80 ms. Allocated memory was 5.1 GB in the beginning and 5.2 GB in the end (delta: 93.8 MB). Free memory was 2.8 GB in the beginning and 1.2 GB in the end (delta: 1.7 GB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. * Witness Printer took 2.90 ms. Allocated memory is still 5.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op1 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * op2 + 1 and consists of 4 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 5 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.1s. Büchi inclusion checks took 3.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 1392 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.5s Buchi closure took 0.0s. Biggest automaton had 1039 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 119072 SDtfs, 118567 SDslu, 177841 SDs, 0 SdLazy, 37 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT3 lasso0 LassoPreprocessingBenchmarks: Lassos: inital30 mio100 ax100 hnf100 lsp33 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 11ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...