./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec3_product29.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_2d267cbc-ea5c-4cfb-8428-ebff47ad62e6/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2d267cbc-ea5c-4cfb-8428-ebff47ad62e6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2d267cbc-ea5c-4cfb-8428-ebff47ad62e6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2d267cbc-ea5c-4cfb-8428-ebff47ad62e6/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec3_product29.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2d267cbc-ea5c-4cfb-8428-ebff47ad62e6/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2d267cbc-ea5c-4cfb-8428-ebff47ad62e6/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 205de0b8f6967eacbcda2103560b2dc95d16f98c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:07:21,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:07:21,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:07:21,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:07:21,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:07:21,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:07:21,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:07:21,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:07:21,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:07:21,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:07:21,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:07:21,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:07:21,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:07:21,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:07:21,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:07:21,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:07:21,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:07:21,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:07:21,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:07:21,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:07:21,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:07:21,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:07:21,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:07:21,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:07:21,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:07:21,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:07:21,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:07:21,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:07:21,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:07:21,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:07:21,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:07:21,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:07:21,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:07:21,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:07:21,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:07:21,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:07:21,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:07:21,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:07:21,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:07:21,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:07:21,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:07:21,775 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2d267cbc-ea5c-4cfb-8428-ebff47ad62e6/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 03:07:21,818 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:07:21,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:07:21,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:07:21,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:07:21,820 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:07:21,820 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:07:21,820 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:07:21,821 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:07:21,821 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:07:21,821 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:07:21,821 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:07:21,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:07:21,822 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:07:21,822 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:07:21,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:07:21,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:07:21,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:07:21,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:07:21,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:07:21,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:07:21,824 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:07:21,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:07:21,825 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:07:21,825 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:07:21,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:07:21,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:07:21,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:07:21,826 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:07:21,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:07:21,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:07:21,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:07:21,827 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:07:21,828 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:07:21,829 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_2d267cbc-ea5c-4cfb-8428-ebff47ad62e6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2d267cbc-ea5c-4cfb-8428-ebff47ad62e6/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 205de0b8f6967eacbcda2103560b2dc95d16f98c [2020-11-28 03:07:22,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:07:22,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:07:22,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:07:22,167 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:07:22,168 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:07:22,169 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2d267cbc-ea5c-4cfb-8428-ebff47ad62e6/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec3_product29.cil.c [2020-11-28 03:07:22,242 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2d267cbc-ea5c-4cfb-8428-ebff47ad62e6/bin/uautomizer/data/b9480881f/14e3cfa46d8c45a59c158db04dfac89a/FLAG17bed9eea [2020-11-28 03:07:23,001 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:07:23,006 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2d267cbc-ea5c-4cfb-8428-ebff47ad62e6/sv-benchmarks/c/product-lines/email_spec3_product29.cil.c [2020-11-28 03:07:23,047 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2d267cbc-ea5c-4cfb-8428-ebff47ad62e6/bin/uautomizer/data/b9480881f/14e3cfa46d8c45a59c158db04dfac89a/FLAG17bed9eea [2020-11-28 03:07:23,113 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2d267cbc-ea5c-4cfb-8428-ebff47ad62e6/bin/uautomizer/data/b9480881f/14e3cfa46d8c45a59c158db04dfac89a [2020-11-28 03:07:23,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:07:23,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:07:23,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:07:23,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:07:23,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:07:23,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:07:23" (1/1) ... [2020-11-28 03:07:23,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@192f7d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:23, skipping insertion in model container [2020-11-28 03:07:23,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:07:23" (1/1) ... [2020-11-28 03:07:23,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:07:23,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:07:24,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:07:24,218 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:07:24,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:07:24,542 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:07:24,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:24 WrapperNode [2020-11-28 03:07:24,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:07:24,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:07:24,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:07:24,548 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:07:24,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:24" (1/1) ... [2020-11-28 03:07:24,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:24" (1/1) ... [2020-11-28 03:07:24,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:07:24,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:07:24,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:07:24,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:07:24,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:24" (1/1) ... [2020-11-28 03:07:24,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:24" (1/1) ... [2020-11-28 03:07:24,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:24" (1/1) ... [2020-11-28 03:07:24,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:24" (1/1) ... [2020-11-28 03:07:24,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:24" (1/1) ... [2020-11-28 03:07:25,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:24" (1/1) ... [2020-11-28 03:07:25,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:24" (1/1) ... [2020-11-28 03:07:25,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:07:25,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:07:25,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:07:25,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:07:25,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d267cbc-ea5c-4cfb-8428-ebff47ad62e6/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 03:07:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-11-28 03:07:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:07:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:07:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:07:25,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:07:30,490 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:07:30,491 INFO L298 CfgBuilder]: Removed 689 assume(true) statements. [2020-11-28 03:07:30,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:07:30 BoogieIcfgContainer [2020-11-28 03:07:30,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:07:30,496 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:07:30,496 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:07:30,500 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:07:30,501 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:07:30,501 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:07:23" (1/3) ... [2020-11-28 03:07:30,502 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@555c0d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:07:30, skipping insertion in model container [2020-11-28 03:07:30,502 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:07:30,503 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:24" (2/3) ... [2020-11-28 03:07:30,503 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@555c0d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:07:30, skipping insertion in model container [2020-11-28 03:07:30,503 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:07:30,504 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:07:30" (3/3) ... [2020-11-28 03:07:30,506 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec3_product29.cil.c [2020-11-28 03:07:30,553 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:07:30,553 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:07:30,553 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:07:30,553 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:07:30,554 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:07:30,554 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:07:30,554 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:07:30,554 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:07:30,601 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1118 states. [2020-11-28 03:07:30,684 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2020-11-28 03:07:30,685 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:07:30,685 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:07:30,695 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 03:07:30,695 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:07:30,695 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:07:30,695 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1118 states. [2020-11-28 03:07:30,713 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2020-11-28 03:07:30,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:07:30,714 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:07:30,716 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 03:07:30,717 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:07:30,723 INFO L794 eck$LassoCheckResult]: Stem: 495#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~string44.base, #t~string44.offset := #Ultimate.allocOnStack(44);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(44);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(11);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(19);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string62.base, #t~string62.offset, 1);call write~init~int(100, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(10, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string65.base, #t~string65.offset, 1);call write~init~int(100, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(10, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(10);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(12);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(10);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(18);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(16);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(21);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(13);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(16);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(25);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string113.base, #t~string113.offset, 1);call write~init~int(115, #t~string113.base, 1 + #t~string113.offset, 1);call write~init~int(10, #t~string113.base, 2 + #t~string113.offset, 1);call write~init~int(0, #t~string113.base, 3 + #t~string113.offset, 1);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(10);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(34);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(30);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(16);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(20);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(13);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(16);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(15);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(16);~head~0.base, ~head~0.offset := 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;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~sent_signed~0 := -1; 375#L-1true havoc main_#res;havoc main_#t~ret57, main_~retValue_acc~20, main_~tmp~6;havoc main_~retValue_acc~20;havoc main_~tmp~6; 709#L2240true havoc valid_product_#res;havoc valid_product_~retValue_acc~33;havoc valid_product_~retValue_acc~33;valid_product_~retValue_acc~33 := 1;valid_product_#res := valid_product_~retValue_acc~33; 365#L2248true main_#t~ret57 := valid_product_#res;main_~tmp~6 := main_#t~ret57;havoc main_#t~ret57; 1046#L1660true assume 0 != main_~tmp~6;havoc setup_#t~nondet52, setup_#t~nondet54, setup_#t~nondet56, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 681#L1470true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 250#L1476-2true 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; 492#L1035true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 1043#L1041-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string51.base, #t~string51.offset;havoc setup_#t~nondet52;~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; 683#L1470-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 260#L1476-5true 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; 478#L1035-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 1033#L1041-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string53.base, #t~string53.offset;havoc setup_#t~nondet54;~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; 684#L1470-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 234#L1476-8true 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; 483#L1035-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 1021#L1041-8true setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string55.base, #t~string55.offset;havoc setup_#t~nondet56; 537#L1647true havoc test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, 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~8, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 719#L2438-1true [2020-11-28 03:07:30,724 INFO L796 eck$LassoCheckResult]: Loop: 719#L2438-1true assume !false; 306#L2293true assume test_~splverifierCounter~0 < 4; 61#L2294true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 862#L2300true assume !(0 == test_~op1~0); 232#L2313true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet74;havoc test_#t~nondet74; 107#L2318true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 719#L2438-1true [2020-11-28 03:07:30,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:30,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2020-11-28 03:07:30,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:30,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433798058] [2020-11-28 03:07:30,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:31,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:07:31,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433798058] [2020-11-28 03:07:31,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:07:31,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:07:31,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551011618] [2020-11-28 03:07:31,205 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:07:31,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:31,209 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2020-11-28 03:07:31,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:31,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703451240] [2020-11-28 03:07:31,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:07:31,235 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:07:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:07:31,258 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:07:31,289 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:07:31,345 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:07:31,346 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:07:31,346 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:07:31,347 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:07:31,347 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:07:31,347 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:31,347 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:07:31,347 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:07:31,347 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_product29.cil.c_Iteration1_Loop [2020-11-28 03:07:31,347 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:07:31,348 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:07:31,371 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 03:07:31,384 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 03:07:31,397 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 03:07:31,406 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 03:07:31,567 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2020-11-28 03:07:31,652 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:07:31,652 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d267cbc-ea5c-4cfb-8428-ebff47ad62e6/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 03:07:31,673 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:07:31,673 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_2d267cbc-ea5c-4cfb-8428-ebff47ad62e6/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 03:07:31,728 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:07:31,729 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 03:07:31,739 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:07:31,776 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:07:31,777 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:07:31,777 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:07:31,777 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:07:31,777 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:07:31,777 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:31,777 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:07:31,777 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:07:31,777 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_product29.cil.c_Iteration1_Loop [2020-11-28 03:07:31,778 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:07:31,778 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:07:31,779 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 03:07:31,794 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 03:07:31,803 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 03:07:31,815 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 03:07:31,917 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:07:31,922 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d267cbc-ea5c-4cfb-8428-ebff47ad62e6/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) [2020-11-28 03:07:31,931 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 03:07:31,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:07:31,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:07:31,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:07:31,935 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 03:07:31,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:07:31,942 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:07:31,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:31,951 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d267cbc-ea5c-4cfb-8428-ebff47ad62e6/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 03:07:31,997 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 03:07:31,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:07:31,999 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:07:31,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:07:31,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:07:31,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:07:32,002 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:07:32,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:32,006 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:07:32,046 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:07:32,046 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_2d267cbc-ea5c-4cfb-8428-ebff47ad62e6/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 03:07:32,091 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:07:32,091 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:32,091 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:07:32,095 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2020-11-28 03:07:32,156 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:07:32,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:32,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:07:32,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:07:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:32,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:07:32,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:07:32,582 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 03:07:32,601 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 03:07:32,602 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1118 states. Second operand 4 states. [2020-11-28 03:07:33,166 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1118 states.. Second operand 4 states. Result 5176 states and 9024 transitions. Complement of second has 7 states. [2020-11-28 03:07:33,167 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 03:07:33,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:07:33,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5268 transitions. [2020-11-28 03:07:33,180 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5268 transitions. Stem has 18 letters. Loop has 6 letters. [2020-11-28 03:07:33,182 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:07:33,182 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5268 transitions. Stem has 24 letters. Loop has 6 letters. [2020-11-28 03:07:33,182 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:07:33,182 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5268 transitions. Stem has 18 letters. Loop has 12 letters. [2020-11-28 03:07:33,183 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:07:33,184 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5176 states and 9024 transitions. [2020-11-28 03:07:33,266 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 501 [2020-11-28 03:07:33,291 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5176 states to 1035 states and 1896 transitions. [2020-11-28 03:07:33,292 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 532 [2020-11-28 03:07:33,296 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 533 [2020-11-28 03:07:33,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1035 states and 1896 transitions. [2020-11-28 03:07:33,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:07:33,306 INFO L691 BuchiCegarLoop]: Abstraction has 1035 states and 1896 transitions. [2020-11-28 03:07:33,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states and 1896 transitions. [2020-11-28 03:07:33,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 534. [2020-11-28 03:07:33,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2020-11-28 03:07:33,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 975 transitions. [2020-11-28 03:07:33,398 INFO L714 BuchiCegarLoop]: Abstraction has 534 states and 975 transitions. [2020-11-28 03:07:33,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:07:33,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:07:33,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:07:33,404 INFO L87 Difference]: Start difference. First operand 534 states and 975 transitions. Second operand 3 states. [2020-11-28 03:07:33,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:07:33,493 INFO L93 Difference]: Finished difference Result 1048 states and 1915 transitions. [2020-11-28 03:07:33,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:07:33,494 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1048 states and 1915 transitions. [2020-11-28 03:07:33,505 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 502 [2020-11-28 03:07:33,518 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1048 states to 1048 states and 1915 transitions. [2020-11-28 03:07:33,518 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 544 [2020-11-28 03:07:33,520 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 544 [2020-11-28 03:07:33,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1048 states and 1915 transitions. [2020-11-28 03:07:33,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:07:33,522 INFO L691 BuchiCegarLoop]: Abstraction has 1048 states and 1915 transitions. [2020-11-28 03:07:33,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states and 1915 transitions. [2020-11-28 03:07:33,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 533. [2020-11-28 03:07:33,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2020-11-28 03:07:33,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 971 transitions. [2020-11-28 03:07:33,547 INFO L714 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2020-11-28 03:07:33,547 INFO L594 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2020-11-28 03:07:33,547 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:07:33,547 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 533 states and 971 transitions. [2020-11-28 03:07:33,551 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2020-11-28 03:07:33,551 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:07:33,551 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:07:33,554 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 03:07:33,555 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:07:33,555 INFO L794 eck$LassoCheckResult]: Stem: 8272#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~string44.base, #t~string44.offset := #Ultimate.allocOnStack(44);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(44);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(11);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(19);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string62.base, #t~string62.offset, 1);call write~init~int(100, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(10, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string65.base, #t~string65.offset, 1);call write~init~int(100, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(10, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(10);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(12);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(10);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(18);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(16);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(21);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(13);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(16);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(25);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string113.base, #t~string113.offset, 1);call write~init~int(115, #t~string113.base, 1 + #t~string113.offset, 1);call write~init~int(10, #t~string113.base, 2 + #t~string113.offset, 1);call write~init~int(0, #t~string113.base, 3 + #t~string113.offset, 1);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(10);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(34);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(30);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(16);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(20);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(13);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(16);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(15);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(16);~head~0.base, ~head~0.offset := 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;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~sent_signed~0 := -1; 7979#L-1 havoc main_#res;havoc main_#t~ret57, main_~retValue_acc~20, main_~tmp~6;havoc main_~retValue_acc~20;havoc main_~tmp~6; 7980#L2240 havoc valid_product_#res;havoc valid_product_~retValue_acc~33;havoc valid_product_~retValue_acc~33;valid_product_~retValue_acc~33 := 1;valid_product_#res := valid_product_~retValue_acc~33; 8327#L2248 main_#t~ret57 := valid_product_#res;main_~tmp~6 := main_#t~ret57;havoc main_#t~ret57; 8477#L1660 assume 0 != main_~tmp~6;havoc setup_#t~nondet52, setup_#t~nondet54, setup_#t~nondet56, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 8248#L1470 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 8249#L1476-2 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; 8263#L1035 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 8264#L1041-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string51.base, #t~string51.offset;havoc setup_#t~nondet52;~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; 8258#L1470-2 assume !(1 == setClientId_~handle); 8259#L1473-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 8455#L1476-5 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; 8245#L1035-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 8246#L1041-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string53.base, #t~string53.offset;havoc setup_#t~nondet54;~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; 8262#L1470-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 8173#L1476-8 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; 8255#L1035-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 8256#L1041-8 setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string55.base, #t~string55.offset;havoc setup_#t~nondet56; 8412#L1647 havoc test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, 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~8, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 8437#L2438-1 assume !false; 8342#L2293 [2020-11-28 03:07:33,555 INFO L796 eck$LassoCheckResult]: Loop: 8342#L2293 assume test_~splverifierCounter~0 < 4; 8065#L2294 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 8009#L2300 assume !(0 == test_~op1~0); 8011#L2313 assume !(0 == test_~op2~0); 8225#L2324 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet75;havoc test_#t~nondet75; 8231#L2329 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; 8232#L1035-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 8181#L1041-11 test_~op3~0 := 1; 8041#L2438-1 assume !false; 8342#L2293 [2020-11-28 03:07:33,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:33,557 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2020-11-28 03:07:33,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:33,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245123371] [2020-11-28 03:07:33,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:33,737 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 03:07:33,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245123371] [2020-11-28 03:07:33,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:07:33,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:07:33,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971474878] [2020-11-28 03:07:33,738 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:07:33,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:33,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2020-11-28 03:07:33,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:33,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485027490] [2020-11-28 03:07:33,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:07:33,770 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:07:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:07:33,777 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:07:33,789 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:07:33,902 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:07:33,902 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:07:33,902 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:07:33,902 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:07:33,902 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:07:33,902 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:33,902 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:07:33,903 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:07:33,903 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_product29.cil.c_Iteration2_Loop [2020-11-28 03:07:33,903 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:07:33,903 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:07:33,904 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 03:07:33,915 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 03:07:33,924 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 03:07:33,928 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 03:07:33,941 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 03:07:33,955 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 03:07:33,964 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 03:07:34,198 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:07:34,199 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d267cbc-ea5c-4cfb-8428-ebff47ad62e6/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 03:07:34,207 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:07:34,207 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 03:07:34,214 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:07:34,215 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Honda state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d267cbc-ea5c-4cfb-8428-ebff47ad62e6/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 03:07:34,263 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:07:34,264 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d267cbc-ea5c-4cfb-8428-ebff47ad62e6/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 03:07:34,317 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:07:34,318 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:34,367 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:07:34,370 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:07:34,370 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:07:34,370 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:07:34,370 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:07:34,370 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:07:34,371 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:34,371 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:07:34,371 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:07:34,371 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_product29.cil.c_Iteration2_Loop [2020-11-28 03:07:34,371 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:07:34,371 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:07:34,373 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 03:07:34,390 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 03:07:34,403 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 03:07:34,410 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 03:07:34,425 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 03:07:34,438 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 03:07:34,461 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 03:07:34,687 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:07:34,687 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d267cbc-ea5c-4cfb-8428-ebff47ad62e6/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:07:34,696 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 03:07:34,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:07:34,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:07:34,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:07:34,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:07:34,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:07:34,700 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:07:34,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:34,704 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:07:34,707 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:07:34,708 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_2d267cbc-ea5c-4cfb-8428-ebff47ad62e6/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:34,720 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:07:34,720 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:07:34,720 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:07:34,720 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2020-11-28 03:07:34,761 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:07:34,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:34,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:07:34,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:07:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:35,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:07:35,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:07:35,092 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 03:07:35,093 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 03:07:35,093 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440 Second operand 4 states. [2020-11-28 03:07:35,186 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 03:07:35,195 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 03:07:35,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:07:35,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 508 transitions. [2020-11-28 03:07:35,197 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 9 letters. [2020-11-28 03:07:35,198 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:07:35,198 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 29 letters. Loop has 9 letters. [2020-11-28 03:07:35,199 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:07:35,199 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 18 letters. [2020-11-28 03:07:35,203 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:07:35,204 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1901 transitions. [2020-11-28 03:07:35,221 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:07:35,234 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 0 states and 0 transitions. [2020-11-28 03:07:35,234 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:07:35,234 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:07:35,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:07:35,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:07:35,235 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:07:35,235 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:07:35,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:07:35,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:07:35,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:07:35,241 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2020-11-28 03:07:35,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:07:35,242 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-11-28 03:07:35,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:07:35,242 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-11-28 03:07:35,242 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:07:35,242 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:07:35,243 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:07:35,243 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:07:35,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:07:35,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:07:35,243 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:07:35,243 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:07:35,243 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:07:35,244 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:07:35,244 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:07:35,244 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:07:35,244 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:07:35,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:07:35 BoogieIcfgContainer [2020-11-28 03:07:35,251 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:07:35,254 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:07:35,254 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:07:35,255 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:07:35,255 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:07:30" (3/4) ... [2020-11-28 03:07:35,259 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:07:35,259 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:07:35,261 INFO L168 Benchmark]: Toolchain (without parser) took 12140.32 ms. Allocated memory was 79.7 MB in the beginning and 234.9 MB in the end (delta: 155.2 MB). Free memory was 57.2 MB in the beginning and 168.9 MB in the end (delta: -111.7 MB). Peak memory consumption was 43.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:35,262 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 79.7 MB. Free memory was 60.1 MB in the beginning and 60.0 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:07:35,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1424.22 ms. Allocated memory was 79.7 MB in the beginning and 102.8 MB in the end (delta: 23.1 MB). Free memory was 57.2 MB in the beginning and 66.4 MB in the end (delta: -9.2 MB). Peak memory consumption was 43.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:35,266 INFO L168 Benchmark]: Boogie Procedure Inliner took 282.89 ms. Allocated memory is still 102.8 MB. Free memory was 66.4 MB in the beginning and 48.7 MB in the end (delta: 17.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:35,272 INFO L168 Benchmark]: Boogie Preprocessor took 270.54 ms. Allocated memory is still 102.8 MB. Free memory was 48.7 MB in the beginning and 64.7 MB in the end (delta: -16.1 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:35,273 INFO L168 Benchmark]: RCFGBuilder took 5393.03 ms. Allocated memory was 102.8 MB in the beginning and 195.0 MB in the end (delta: 92.3 MB). Free memory was 64.2 MB in the beginning and 144.1 MB in the end (delta: -79.9 MB). Peak memory consumption was 90.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:35,274 INFO L168 Benchmark]: BuchiAutomizer took 4755.21 ms. Allocated memory was 195.0 MB in the beginning and 234.9 MB in the end (delta: 39.8 MB). Free memory was 144.1 MB in the beginning and 168.9 MB in the end (delta: -24.7 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:35,276 INFO L168 Benchmark]: Witness Printer took 5.35 ms. Allocated memory is still 234.9 MB. Free memory is still 168.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:07:35,287 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 ms. Allocated memory is still 79.7 MB. Free memory was 60.1 MB in the beginning and 60.0 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1424.22 ms. Allocated memory was 79.7 MB in the beginning and 102.8 MB in the end (delta: 23.1 MB). Free memory was 57.2 MB in the beginning and 66.4 MB in the end (delta: -9.2 MB). Peak memory consumption was 43.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 282.89 ms. Allocated memory is still 102.8 MB. Free memory was 66.4 MB in the beginning and 48.7 MB in the end (delta: 17.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 270.54 ms. Allocated memory is still 102.8 MB. Free memory was 48.7 MB in the beginning and 64.7 MB in the end (delta: -16.1 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 5393.03 ms. Allocated memory was 102.8 MB in the beginning and 195.0 MB in the end (delta: 92.3 MB). Free memory was 64.2 MB in the beginning and 144.1 MB in the end (delta: -79.9 MB). Peak memory consumption was 90.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4755.21 ms. Allocated memory was 195.0 MB in the beginning and 234.9 MB in the end (delta: 39.8 MB). Free memory was 144.1 MB in the beginning and 168.9 MB in the end (delta: -24.7 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. * Witness Printer took 5.35 ms. Allocated memory is still 234.9 MB. Free memory is still 168.9 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 4.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.0s. Büchi inclusion checks took 1.5s. 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: 5286 SDtfs, 4792 SDslu, 7019 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...