./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_82abc152-24bf-49b9-9520-3889afa7dbdb/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_82abc152-24bf-49b9-9520-3889afa7dbdb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_82abc152-24bf-49b9-9520-3889afa7dbdb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_82abc152-24bf-49b9-9520-3889afa7dbdb/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_82abc152-24bf-49b9-9520-3889afa7dbdb/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_82abc152-24bf-49b9-9520-3889afa7dbdb/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 4d28d754fec0645a4c754513b03c5bfd0ca2bb89 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:20:13,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:20:13,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:20:13,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:20:13,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:20:13,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:20:13,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:20:13,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:20:13,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:20:13,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:20:13,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:20:13,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:20:13,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:20:13,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:20:13,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:20:13,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:20:13,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:20:13,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:20:13,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:20:13,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:20:13,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:20:13,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:20:13,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:20:13,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:20:13,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:20:13,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:20:13,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:20:13,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:20:13,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:20:13,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:20:13,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:20:13,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:20:13,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:20:13,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:20:13,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:20:13,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:20:13,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:20:13,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:20:13,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:20:13,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:20:13,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:20:13,811 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_82abc152-24bf-49b9-9520-3889afa7dbdb/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 03:20:13,858 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:20:13,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:20:13,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:20:13,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:20:13,861 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:20:13,861 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:20:13,861 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:20:13,862 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:20:13,862 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:20:13,862 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:20:13,863 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:20:13,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:20:13,864 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:20:13,864 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:20:13,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:20:13,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:20:13,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:20:13,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:20:13,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:20:13,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:20:13,866 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:20:13,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:20:13,866 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:20:13,867 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:20:13,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:20:13,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:20:13,867 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:20:13,868 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:20:13,868 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:20:13,870 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:20:13,870 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:20:13,870 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:20:13,872 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:20:13,872 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_82abc152-24bf-49b9-9520-3889afa7dbdb/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_82abc152-24bf-49b9-9520-3889afa7dbdb/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d28d754fec0645a4c754513b03c5bfd0ca2bb89 [2020-11-28 03:20:14,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:20:14,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:20:14,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:20:14,140 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:20:14,148 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:20:14,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_82abc152-24bf-49b9-9520-3889afa7dbdb/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec8_product14.cil.c [2020-11-28 03:20:14,224 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_82abc152-24bf-49b9-9520-3889afa7dbdb/bin/uautomizer/data/3264dfe2d/c8bb3e83a4654ef5a9a2577c49e079a7/FLAGe8f1ed171 [2020-11-28 03:20:14,985 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:20:14,985 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_82abc152-24bf-49b9-9520-3889afa7dbdb/sv-benchmarks/c/product-lines/email_spec8_product14.cil.c [2020-11-28 03:20:15,016 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_82abc152-24bf-49b9-9520-3889afa7dbdb/bin/uautomizer/data/3264dfe2d/c8bb3e83a4654ef5a9a2577c49e079a7/FLAGe8f1ed171 [2020-11-28 03:20:15,158 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_82abc152-24bf-49b9-9520-3889afa7dbdb/bin/uautomizer/data/3264dfe2d/c8bb3e83a4654ef5a9a2577c49e079a7 [2020-11-28 03:20:15,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:20:15,163 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:20:15,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:15,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:20:15,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:20:15,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:15" (1/1) ... [2020-11-28 03:20:15,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@784c28f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:15, skipping insertion in model container [2020-11-28 03:20:15,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:15" (1/1) ... [2020-11-28 03:20:15,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:20:15,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:20:15,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:20:15,896 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:20:16,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:20:16,138 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:20:16,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:16 WrapperNode [2020-11-28 03:20:16,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:16,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:20:16,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:20:16,140 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:20:16,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:16" (1/1) ... [2020-11-28 03:20:16,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:16" (1/1) ... [2020-11-28 03:20:16,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:20:16,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:20:16,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:20:16,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:20:16,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:16" (1/1) ... [2020-11-28 03:20:16,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:16" (1/1) ... [2020-11-28 03:20:16,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:16" (1/1) ... [2020-11-28 03:20:16,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:16" (1/1) ... [2020-11-28 03:20:16,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:16" (1/1) ... [2020-11-28 03:20:16,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:16" (1/1) ... [2020-11-28 03:20:16,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:16" (1/1) ... [2020-11-28 03:20:16,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:20:16,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:20:16,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:20:16,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:20:16,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_82abc152-24bf-49b9-9520-3889afa7dbdb/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 [2020-11-28 03:20:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-11-28 03:20:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:20:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:20:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:20:16,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:20:19,730 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:20:19,732 INFO L298 CfgBuilder]: Removed 477 assume(true) statements. [2020-11-28 03:20:19,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:19 BoogieIcfgContainer [2020-11-28 03:20:19,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:20:19,738 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:20:19,738 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:20:19,741 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:20:19,742 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:20:19,743 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:20:15" (1/3) ... [2020-11-28 03:20:19,745 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@86425e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:20:19, skipping insertion in model container [2020-11-28 03:20:19,745 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:20:19,745 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:16" (2/3) ... [2020-11-28 03:20:19,746 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@86425e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:20:19, skipping insertion in model container [2020-11-28 03:20:19,746 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:20:19,746 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:19" (3/3) ... [2020-11-28 03:20:19,748 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec8_product14.cil.c [2020-11-28 03:20:19,806 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:20:19,806 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:20:19,806 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:20:19,807 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:20:19,807 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:20:19,807 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:20:19,807 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:20:19,807 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:20:19,847 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 766 states. [2020-11-28 03:20:19,921 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2020-11-28 03:20:19,921 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:20:19,921 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:20:19,931 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:19,932 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:20:19,932 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:20:19,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 766 states. [2020-11-28 03:20:19,949 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2020-11-28 03:20:19,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:20:19,949 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:20:19,952 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:19,952 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:20:19,960 INFO L794 eck$LassoCheckResult]: Stem: 562#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string42.base, #t~string42.offset, 1);call write~init~int(115, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(10, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(10);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(34);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(16);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(20);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(10);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(12);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(10);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(18);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(16);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(21);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(17);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(17);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(13);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(17);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(44);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(44);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(9);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(9);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(11);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(19);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string130.base, #t~string130.offset, 1);call write~init~int(100, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(10, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 3 + #t~string130.offset, 1);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string133.base, #t~string133.offset, 1);call write~init~int(100, #t~string133.base, 1 + #t~string133.offset, 1);call write~init~int(10, #t~string133.base, 2 + #t~string133.offset, 1);call write~init~int(0, #t~string133.base, 3 + #t~string133.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~in_encrypted~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; 441#L-1true havoc main_#res;havoc main_#t~nondet124, main_#t~ret125, main_~retValue_acc~41, main_~tmp~18;main_~retValue_acc~41 := main_#t~nondet124;havoc main_#t~nondet124;havoc main_~tmp~18; 462#L2894true havoc valid_product_#res;havoc valid_product_~retValue_acc~43;havoc valid_product_~retValue_acc~43;valid_product_~retValue_acc~43 := 1;valid_product_#res := valid_product_~retValue_acc~43; 685#L2902true main_#t~ret125 := valid_product_#res;main_~tmp~18 := main_#t~ret125;havoc main_#t~ret125; 12#L2735true assume 0 != main_~tmp~18;havoc setup_#t~nondet119, setup_#t~nondet121, setup_#t~nondet123, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.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_tmp2~1.base, setup_~__cil_tmp2~1.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;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 702#L2574true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 71#L2580-2true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 372#L2139true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 504#L2145-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string118.base, #t~string118.offset;havoc setup_#t~nondet119;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 708#L2574-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 81#L2580-5true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 353#L2139-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 488#L2145-5true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string120.base, #t~string120.offset;havoc setup_#t~nondet121;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 710#L2574-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 58#L2580-8true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 354#L2139-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 464#L2145-8true setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string122.base, #t~string122.offset;havoc setup_#t~nondet123; 400#L2722true havoc test_#t~nondet98, test_#t~nondet99, test_#t~nondet100, test_#t~nondet101, test_#t~nondet102, test_#t~nondet103, test_#t~nondet104, test_#t~nondet105, test_#t~nondet106, test_#t~nondet107, test_#t~nondet108, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~14, test_~tmp___0~5, test_~tmp___1~3, test_~tmp___2~3, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~14;havoc test_~tmp___0~5;havoc test_~tmp___1~3;havoc test_~tmp___2~3;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 325#L1487-1true [2020-11-28 03:20:19,960 INFO L796 eck$LassoCheckResult]: Loop: 325#L1487-1true assume !false; 444#L1342true assume test_~splverifierCounter~0 < 4; 595#L1343true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 120#L1349true assume !(0 == test_~op1~0); 748#L1362true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet99;havoc test_#t~nondet99; 233#L1367true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 325#L1487-1true [2020-11-28 03:20:19,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:19,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2020-11-28 03:20:19,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:19,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142470725] [2020-11-28 03:20:19,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:20,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:20,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142470725] [2020-11-28 03:20:20,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:20,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:20,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424591449] [2020-11-28 03:20:20,386 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:20:20,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:20,388 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2020-11-28 03:20:20,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:20,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012406793] [2020-11-28 03:20:20,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:20,408 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:20,423 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:20,471 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:20:20,532 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:20:20,533 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:20:20,533 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:20:20,533 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:20:20,533 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:20:20,533 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:20,534 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:20:20,534 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:20:20,534 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product14.cil.c_Iteration1_Loop [2020-11-28 03:20:20,534 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:20:20,534 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:20:20,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:20,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:20,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:20,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:20,709 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:20:20,711 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_82abc152-24bf-49b9-9520-3889afa7dbdb/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) [2020-11-28 03:20:20,718 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:20:20,718 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_82abc152-24bf-49b9-9520-3889afa7dbdb/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) [2020-11-28 03:20:20,769 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:20:20,769 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:20,778 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:20:20,814 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:20:20,814 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:20:20,814 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:20:20,814 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:20:20,814 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:20:20,814 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:20,814 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:20:20,815 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:20:20,815 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product14.cil.c_Iteration1_Loop [2020-11-28 03:20:20,815 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:20:20,815 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:20:20,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:20,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:20,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:20,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:20,921 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:20:20,926 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_82abc152-24bf-49b9-9520-3889afa7dbdb/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 [2020-11-28 03:20:20,934 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 [2020-11-28 03:20:20,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:20,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:20:20,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:20,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:20,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:20,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:20:20,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:20:20,957 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:20:21,018 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:20:21,018 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_82abc152-24bf-49b9-9520-3889afa7dbdb/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) [2020-11-28 03:20:21,030 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:20:21,030 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:20:21,031 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:20:21,032 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:21,073 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:20:21,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:21,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:20:21,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:20:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:21,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:20:21,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:20:21,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:21,405 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 [2020-11-28 03:20:21,406 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 766 states. Second operand 4 states. [2020-11-28 03:20:21,784 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 766 states.. Second operand 4 states. Result 3440 states and 6020 transitions. Complement of second has 7 states. [2020-11-28 03:20:21,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:20:21,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:20:21,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3456 transitions. [2020-11-28 03:20:21,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3456 transitions. Stem has 18 letters. Loop has 6 letters. [2020-11-28 03:20:21,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:20:21,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3456 transitions. Stem has 24 letters. Loop has 6 letters. [2020-11-28 03:20:21,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:20:21,802 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3456 transitions. Stem has 18 letters. Loop has 12 letters. [2020-11-28 03:20:21,802 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:20:21,803 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3440 states and 6020 transitions. [2020-11-28 03:20:21,850 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 501 [2020-11-28 03:20:21,872 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3440 states to 1035 states and 1896 transitions. [2020-11-28 03:20:21,873 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 532 [2020-11-28 03:20:21,876 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 533 [2020-11-28 03:20:21,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1035 states and 1896 transitions. [2020-11-28 03:20:21,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:20:21,880 INFO L691 BuchiCegarLoop]: Abstraction has 1035 states and 1896 transitions. [2020-11-28 03:20:21,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states and 1896 transitions. [2020-11-28 03:20:21,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 534. [2020-11-28 03:20:21,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2020-11-28 03:20:21,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 975 transitions. [2020-11-28 03:20:21,955 INFO L714 BuchiCegarLoop]: Abstraction has 534 states and 975 transitions. [2020-11-28 03:20:21,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:21,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:21,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:21,961 INFO L87 Difference]: Start difference. First operand 534 states and 975 transitions. Second operand 3 states. [2020-11-28 03:20:22,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:22,028 INFO L93 Difference]: Finished difference Result 1048 states and 1915 transitions. [2020-11-28 03:20:22,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:22,029 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1048 states and 1915 transitions. [2020-11-28 03:20:22,038 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 502 [2020-11-28 03:20:22,048 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1048 states to 1048 states and 1915 transitions. [2020-11-28 03:20:22,049 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 544 [2020-11-28 03:20:22,050 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 544 [2020-11-28 03:20:22,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1048 states and 1915 transitions. [2020-11-28 03:20:22,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:20:22,051 INFO L691 BuchiCegarLoop]: Abstraction has 1048 states and 1915 transitions. [2020-11-28 03:20:22,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states and 1915 transitions. [2020-11-28 03:20:22,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 533. [2020-11-28 03:20:22,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2020-11-28 03:20:22,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 971 transitions. [2020-11-28 03:20:22,114 INFO L714 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2020-11-28 03:20:22,114 INFO L594 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2020-11-28 03:20:22,114 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:20:22,114 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 533 states and 971 transitions. [2020-11-28 03:20:22,117 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2020-11-28 03:20:22,118 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:20:22,118 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:20:22,119 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:22,119 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:22,119 INFO L794 eck$LassoCheckResult]: Stem: 6263#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string42.base, #t~string42.offset, 1);call write~init~int(115, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(10, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(10);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(34);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(16);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(20);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(10);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(12);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(10);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(18);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(16);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(21);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(17);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(17);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(13);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(17);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(44);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(44);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(9);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(9);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(11);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(19);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string130.base, #t~string130.offset, 1);call write~init~int(100, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(10, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 3 + #t~string130.offset, 1);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string133.base, #t~string133.offset, 1);call write~init~int(100, #t~string133.base, 1 + #t~string133.offset, 1);call write~init~int(10, #t~string133.base, 2 + #t~string133.offset, 1);call write~init~int(0, #t~string133.base, 3 + #t~string133.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~in_encrypted~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; 5893#L-1 havoc main_#res;havoc main_#t~nondet124, main_#t~ret125, main_~retValue_acc~41, main_~tmp~18;main_~retValue_acc~41 := main_#t~nondet124;havoc main_#t~nondet124;havoc main_~tmp~18; 5894#L2894 havoc valid_product_#res;havoc valid_product_~retValue_acc~43;havoc valid_product_~retValue_acc~43;valid_product_~retValue_acc~43 := 1;valid_product_#res := valid_product_~retValue_acc~43; 6035#L2902 main_#t~ret125 := valid_product_#res;main_~tmp~18 := main_#t~ret125;havoc main_#t~ret125; 5915#L2735 assume 0 != main_~tmp~18;havoc setup_#t~nondet119, setup_#t~nondet121, setup_#t~nondet123, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.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_tmp2~1.base, setup_~__cil_tmp2~1.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;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 5916#L2574 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 6098#L2580-2 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 6105#L2139 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6181#L2145-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string118.base, #t~string118.offset;havoc setup_#t~nondet119;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 6184#L2574-2 assume !(1 == setClientId_~handle); 6409#L2577-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 6152#L2580-5 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 6153#L2139-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6092#L2145-5 setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string120.base, #t~string120.offset;havoc setup_#t~nondet121;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 6149#L2574-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 6037#L2580-8 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 6068#L2139-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6040#L2145-8 setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string122.base, #t~string122.offset;havoc setup_#t~nondet123; 6041#L2722 havoc test_#t~nondet98, test_#t~nondet99, test_#t~nondet100, test_#t~nondet101, test_#t~nondet102, test_#t~nondet103, test_#t~nondet104, test_#t~nondet105, test_#t~nondet106, test_#t~nondet107, test_#t~nondet108, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~14, test_~tmp___0~5, test_~tmp___1~3, test_~tmp___2~3, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~14;havoc test_~tmp___0~5;havoc test_~tmp___1~3;havoc test_~tmp___2~3;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 6419#L1487-1 assume !false; 5911#L1342 [2020-11-28 03:20:22,120 INFO L796 eck$LassoCheckResult]: Loop: 5911#L1342 assume test_~splverifierCounter~0 < 4; 5912#L1343 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 6229#L1349 assume !(0 == test_~op1~0); 5897#L1362 assume !(0 == test_~op2~0); 6371#L1373 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet100;havoc test_#t~nondet100; 6375#L1378 assume 0 != test_~tmp___7~0;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := ~rjh~0, 0;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 6376#L2139-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6043#L2145-11 test_~op3~0 := 1; 5946#L1487-1 assume !false; 5911#L1342 [2020-11-28 03:20:22,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:22,120 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2020-11-28 03:20:22,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:22,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127213963] [2020-11-28 03:20:22,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:22,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:22,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127213963] [2020-11-28 03:20:22,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:22,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:20:22,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480092427] [2020-11-28 03:20:22,278 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:20:22,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:22,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2020-11-28 03:20:22,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:22,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677396644] [2020-11-28 03:20:22,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:22,294 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:22,299 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:22,310 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:20:22,525 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-11-28 03:20:22,528 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:20:22,528 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:20:22,528 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:20:22,528 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:20:22,528 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:20:22,528 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:22,529 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:20:22,529 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:20:22,529 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product14.cil.c_Iteration2_Loop [2020-11-28 03:20:22,529 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:20:22,529 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:20:22,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:22,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:22,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:22,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:22,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:22,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:22,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:22,800 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:20:22,800 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_82abc152-24bf-49b9-9520-3889afa7dbdb/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) [2020-11-28 03:20:22,813 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:20:22,813 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_82abc152-24bf-49b9-9520-3889afa7dbdb/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) [2020-11-28 03:20:22,863 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:20:22,863 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:22,912 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:20:22,914 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:20:22,914 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:20:22,914 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:20:22,914 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:20:22,914 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:20:22,914 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:22,914 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:20:22,914 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:20:22,914 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product14.cil.c_Iteration2_Loop [2020-11-28 03:20:22,915 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:20:22,915 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:20:22,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:22,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:22,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:22,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:22,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:22,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:22,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:23,157 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:20:23,157 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_82abc152-24bf-49b9-9520-3889afa7dbdb/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) [2020-11-28 03:20:23,174 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 [2020-11-28 03:20:23,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:23,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:20:23,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:23,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:23,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:23,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:20:23,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:23,185 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:20:23,190 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:20:23,190 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_82abc152-24bf-49b9-9520-3889afa7dbdb/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) [2020-11-28 03:20:23,201 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:20:23,201 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:20:23,202 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:20:23,202 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:23,254 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:20:23,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:23,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:20:23,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:20:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:23,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:20:23,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:20:23,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:23,571 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 [2020-11-28 03:20:23,571 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440 Second operand 4 states. [2020-11-28 03:20:23,636 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440. Second operand 4 states. Result 1039 states and 1901 transitions. Complement of second has 6 states. [2020-11-28 03:20:23,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:20:23,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:20:23,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 508 transitions. [2020-11-28 03:20:23,637 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 9 letters. [2020-11-28 03:20:23,638 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:20:23,638 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 29 letters. Loop has 9 letters. [2020-11-28 03:20:23,641 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:20:23,641 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 18 letters. [2020-11-28 03:20:23,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:20:23,645 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1901 transitions. [2020-11-28 03:20:23,658 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:20:23,659 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 0 states and 0 transitions. [2020-11-28 03:20:23,659 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:20:23,659 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:20:23,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:20:23,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:20:23,659 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:20:23,659 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:20:23,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:23,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:20:23,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:20:23,660 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2020-11-28 03:20:23,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:23,660 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-11-28 03:20:23,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:20:23,661 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-11-28 03:20:23,661 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:20:23,661 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:20:23,661 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:20:23,661 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:20:23,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:20:23,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:20:23,662 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:20:23,662 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:20:23,662 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:20:23,662 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:20:23,662 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:20:23,662 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:20:23,662 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:20:23,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:20:23 BoogieIcfgContainer [2020-11-28 03:20:23,669 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:20:23,669 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:20:23,669 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:20:23,670 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:20:23,670 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:19" (3/4) ... [2020-11-28 03:20:23,673 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:20:23,673 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:20:23,676 INFO L168 Benchmark]: Toolchain (without parser) took 8511.02 ms. Allocated memory was 92.3 MB in the beginning and 205.5 MB in the end (delta: 113.2 MB). Free memory was 60.0 MB in the beginning and 87.1 MB in the end (delta: -27.1 MB). Peak memory consumption was 86.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:23,676 INFO L168 Benchmark]: CDTParser took 0.78 ms. Allocated memory is still 92.3 MB. Free memory is still 48.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:20:23,678 INFO L168 Benchmark]: CACSL2BoogieTranslator took 974.79 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 59.8 MB in the beginning and 58.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 29.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:23,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 188.55 ms. Allocated memory is still 119.5 MB. Free memory was 58.2 MB in the beginning and 90.1 MB in the end (delta: -31.9 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:23,680 INFO L168 Benchmark]: Boogie Preprocessor took 160.36 ms. Allocated memory is still 119.5 MB. Free memory was 90.1 MB in the beginning and 80.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:23,685 INFO L168 Benchmark]: RCFGBuilder took 3246.52 ms. Allocated memory was 119.5 MB in the beginning and 169.9 MB in the end (delta: 50.3 MB). Free memory was 80.0 MB in the beginning and 99.9 MB in the end (delta: -20.0 MB). Peak memory consumption was 76.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:23,685 INFO L168 Benchmark]: BuchiAutomizer took 3930.95 ms. Allocated memory was 169.9 MB in the beginning and 205.5 MB in the end (delta: 35.7 MB). Free memory was 99.9 MB in the beginning and 87.1 MB in the end (delta: 12.9 MB). Peak memory consumption was 48.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:23,686 INFO L168 Benchmark]: Witness Printer took 3.91 ms. Allocated memory is still 205.5 MB. Free memory is still 87.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:20:23,694 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 ms. Allocated memory is still 92.3 MB. Free memory is still 48.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 974.79 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 59.8 MB in the beginning and 58.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 29.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 188.55 ms. Allocated memory is still 119.5 MB. Free memory was 58.2 MB in the beginning and 90.1 MB in the end (delta: -31.9 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 160.36 ms. Allocated memory is still 119.5 MB. Free memory was 90.1 MB in the beginning and 80.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3246.52 ms. Allocated memory was 119.5 MB in the beginning and 169.9 MB in the end (delta: 50.3 MB). Free memory was 80.0 MB in the beginning and 99.9 MB in the end (delta: -20.0 MB). Peak memory consumption was 76.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3930.95 ms. Allocated memory was 169.9 MB in the beginning and 205.5 MB in the end (delta: 35.7 MB). Free memory was 99.9 MB in the beginning and 87.1 MB in the end (delta: 12.9 MB). Peak memory consumption was 48.5 MB. Max. memory is 16.1 GB. * Witness Printer took 3.91 ms. Allocated memory is still 205.5 MB. Free memory is still 87.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 1016 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 533 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4094 SDtfs, 3599 SDslu, 5231 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 104ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 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...