./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec27_productSimulator.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_6933baee-33a0-4818-a5c0-80d4b1caecf5/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6933baee-33a0-4818-a5c0-80d4b1caecf5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6933baee-33a0-4818-a5c0-80d4b1caecf5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6933baee-33a0-4818-a5c0-80d4b1caecf5/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6933baee-33a0-4818-a5c0-80d4b1caecf5/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6933baee-33a0-4818-a5c0-80d4b1caecf5/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 00c9e1a099c677823479bd4f594077c4ede4cb4c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:56:31,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:56:31,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:56:31,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:56:31,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:56:31,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:56:31,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:56:31,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:56:31,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:56:31,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:56:31,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:56:31,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:56:31,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:56:31,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:56:31,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:56:31,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:56:31,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:56:31,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:56:31,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:56:31,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:56:31,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:56:31,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:56:31,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:56:31,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:56:31,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:56:31,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:56:31,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:56:31,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:56:31,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:56:31,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:56:31,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:56:31,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:56:31,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:56:31,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:56:31,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:56:31,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:56:31,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:56:31,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:56:31,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:56:31,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:56:31,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:56:31,721 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6933baee-33a0-4818-a5c0-80d4b1caecf5/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 23:56:31,763 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:56:31,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:56:31,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:56:31,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:56:31,769 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:56:31,770 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 23:56:31,770 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 23:56:31,770 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 23:56:31,770 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 23:56:31,771 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 23:56:31,772 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 23:56:31,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:56:31,773 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:56:31,773 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 23:56:31,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:56:31,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:56:31,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:56:31,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 23:56:31,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 23:56:31,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 23:56:31,775 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:56:31,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:56:31,775 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 23:56:31,775 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:56:31,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 23:56:31,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:56:31,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:56:31,776 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 23:56:31,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:56:31,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:56:31,779 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:56:31,779 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 23:56:31,781 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 23:56:31,781 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_6933baee-33a0-4818-a5c0-80d4b1caecf5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6933baee-33a0-4818-a5c0-80d4b1caecf5/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00c9e1a099c677823479bd4f594077c4ede4cb4c [2020-11-29 23:56:32,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:56:32,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:56:32,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:56:32,119 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:56:32,120 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:56:32,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6933baee-33a0-4818-a5c0-80d4b1caecf5/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c [2020-11-29 23:56:32,228 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6933baee-33a0-4818-a5c0-80d4b1caecf5/bin/uautomizer/data/f36bacf25/4a25f8e5b0264b1a883170f22dc26ba5/FLAG944deabce [2020-11-29 23:56:32,896 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:56:32,899 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6933baee-33a0-4818-a5c0-80d4b1caecf5/sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c [2020-11-29 23:56:32,944 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6933baee-33a0-4818-a5c0-80d4b1caecf5/bin/uautomizer/data/f36bacf25/4a25f8e5b0264b1a883170f22dc26ba5/FLAG944deabce [2020-11-29 23:56:33,083 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6933baee-33a0-4818-a5c0-80d4b1caecf5/bin/uautomizer/data/f36bacf25/4a25f8e5b0264b1a883170f22dc26ba5 [2020-11-29 23:56:33,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:56:33,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:56:33,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:56:33,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:56:33,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:56:33,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:56:33" (1/1) ... [2020-11-29 23:56:33,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70454446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:33, skipping insertion in model container [2020-11-29 23:56:33,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:56:33" (1/1) ... [2020-11-29 23:56:33,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:56:33,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:56:33,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:56:33,952 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:56:34,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:56:34,358 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:56:34,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:34 WrapperNode [2020-11-29 23:56:34,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:56:34,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:56:34,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:56:34,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:56:34,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:34" (1/1) ... [2020-11-29 23:56:34,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:34" (1/1) ... [2020-11-29 23:56:41,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:56:41,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:56:41,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:56:41,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:56:41,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:34" (1/1) ... [2020-11-29 23:56:41,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:34" (1/1) ... [2020-11-29 23:56:42,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:34" (1/1) ... [2020-11-29 23:56:42,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:34" (1/1) ... [2020-11-29 23:56:44,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:34" (1/1) ... [2020-11-29 23:56:46,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:34" (1/1) ... [2020-11-29 23:56:46,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:34" (1/1) ... [2020-11-29 23:56:47,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:56:47,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:56:47,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:56:47,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:56:47,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6933baee-33a0-4818-a5c0-80d4b1caecf5/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 [2020-11-29 23:56:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-11-29 23:56:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:56:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:56:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:56:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:57:55,762 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:57:55,763 INFO L298 CfgBuilder]: Removed 41755 assume(true) statements. [2020-11-29 23:57:55,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:57:55 BoogieIcfgContainer [2020-11-29 23:57:55,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:57:55,813 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 23:57:55,813 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 23:57:55,817 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 23:57:55,818 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:57:55,818 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 11:56:33" (1/3) ... [2020-11-29 23:57:55,819 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f920a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 11:57:55, skipping insertion in model container [2020-11-29 23:57:55,820 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:57:55,820 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:34" (2/3) ... [2020-11-29 23:57:55,820 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f920a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 11:57:55, skipping insertion in model container [2020-11-29 23:57:55,821 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:57:55,821 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:57:55" (3/3) ... [2020-11-29 23:57:55,823 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec27_productSimulator.cil.c [2020-11-29 23:57:55,878 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 23:57:55,878 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 23:57:55,879 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 23:57:55,879 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:57:55,879 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:57:55,879 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 23:57:55,879 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:57:55,879 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 23:57:56,411 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45204 states. [2020-11-29 23:57:57,144 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2020-11-29 23:57:57,144 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:57:57,144 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:57:57,161 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, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:57:57,161 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:57:57,161 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 23:57:57,161 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45204 states. [2020-11-29 23:57:58,011 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2020-11-29 23:57:58,026 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:57:58,026 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:57:58,029 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, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:57:58,030 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:57:58,055 INFO L794 eck$LassoCheckResult]: Stem: 1819#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(36);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string42.base, #t~string42.offset, 1);call write~init~int(115, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(10, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(16);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(10);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(34);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(30);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(16);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(20);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(22);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(21);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(44);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(44);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(9);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(9);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(11);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(19);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string127.base, #t~string127.offset, 1);call write~init~int(100, #t~string127.base, 1 + #t~string127.offset, 1);call write~init~int(10, #t~string127.base, 2 + #t~string127.offset, 1);call write~init~int(0, #t~string127.base, 3 + #t~string127.offset, 1);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string130.base, #t~string130.offset, 1);call write~init~int(100, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(10, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 3 + #t~string130.offset, 1);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(10);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(12);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(10);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(18);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(16);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(21);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(13);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(16);call #t~string162.base, #t~string162.offset := #Ultimate.allocOnStack(25);~head~0.base, ~head~0.offset := 0, 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__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;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 24561#L-1true havoc main_#res;havoc main_#t~ret122, main_~retValue_acc~39, main_~tmp~21;havoc main_~retValue_acc~39;havoc main_~tmp~21;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 39770#L481true havoc select_features_#t~ret45, select_features_#t~ret46, select_features_#t~ret47, select_features_#t~ret48, select_features_#t~ret49, select_features_#t~ret50, select_features_#t~ret51, select_features_#t~ret52;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 44968#L454true select_features_#t~ret45 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret45;havoc select_features_#t~ret45;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 44969#L454-1true select_features_#t~ret46 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret46;havoc select_features_#t~ret46;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 44948#L454-2true select_features_#t~ret47 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret47;havoc select_features_#t~ret47;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 44949#L454-3true select_features_#t~ret48 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret48;havoc select_features_#t~ret48;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 44954#L454-4true select_features_#t~ret49 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret49;havoc select_features_#t~ret49;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 44955#L454-5true select_features_#t~ret50 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret50;havoc select_features_#t~ret50;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 44958#L454-6true select_features_#t~ret51 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret51;havoc select_features_#t~ret51;~__SELECTED_FEATURE_Verify~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 44959#L454-7true select_features_#t~ret52 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret52;havoc select_features_#t~ret52; 44699#L473true havoc valid_product_#res;havoc valid_product_~retValue_acc~5, valid_product_~tmp~3;havoc valid_product_~retValue_acc~5;havoc valid_product_~tmp~3; 39428#L489true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 40370#L492true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~3 := 0; 40372#L492-1true valid_product_~retValue_acc~5 := valid_product_~tmp~3;valid_product_#res := valid_product_~retValue_acc~5; 40539#L549true main_#t~ret122 := valid_product_#res;main_~tmp~21 := main_#t~ret122;havoc main_#t~ret122; 1816#L3107true assume 0 != main_~tmp~21;havoc setup_#t~nondet117, setup_#t~nondet119, setup_#t~nondet121, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.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_tmp3~3.base, setup_~__cil_tmp3~3.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; 2353#L2951true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3687#L1617-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3580#L1623-5true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string116.base, #t~string116.offset;havoc setup_#t~nondet117;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 2209#L2989true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3685#L1617-6true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3573#L1623-11true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string118.base, #t~string118.offset;havoc setup_#t~nondet119;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 3709#L3027true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3683#L1617-10true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3557#L1623-17true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string120.base, #t~string120.offset;havoc setup_#t~nondet121; 1905#L3094true havoc test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, 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~6, test_~tmp___0~0, test_~tmp___1~0, 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~6;havoc test_~tmp___0~0;havoc test_~tmp___1~0;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; 44034#L1876-1true [2020-11-29 23:57:58,056 INFO L796 eck$LassoCheckResult]: Loop: 44034#L1876-1true assume !false; 1904#L1685true assume test_~splverifierCounter~0 < 4; 1900#L1686true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 1828#L1692true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet55;havoc test_#t~nondet55; 1818#L1696true assume 0 != test_~tmp___9~0; 1807#L1697true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 1808#L1697-1true test_~op1~0 := 1; 44034#L1876-1true [2020-11-29 23:57:58,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:57:58,065 INFO L82 PathProgramCache]: Analyzing trace with hash -2102633898, now seen corresponding path program 1 times [2020-11-29 23:57:58,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:57:58,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500826361] [2020-11-29 23:57:58,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:57:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:58,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:58,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500826361] [2020-11-29 23:57:58,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:57:58,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 23:57:58,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392248924] [2020-11-29 23:57:58,655 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 23:57:58,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:57:58,659 INFO L82 PathProgramCache]: Analyzing trace with hash 569592791, now seen corresponding path program 1 times [2020-11-29 23:57:58,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:57:58,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905345228] [2020-11-29 23:57:58,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:57:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:57:58,681 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:57:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:57:58,692 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:57:58,739 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:57:58,798 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 23:57:58,803 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 23:57:58,807 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 23:57:58,807 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 23:57:58,808 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 23:57:58,808 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:57:58,808 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 23:57:58,808 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 23:57:58,809 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration1_Loop [2020-11-29 23:57:58,809 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 23:57:58,809 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 23:57:58,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:57:58,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:57:58,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:57:58,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:57:58,998 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 23:57:58,999 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6933baee-33a0-4818-a5c0-80d4b1caecf5/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) [2020-11-29 23:57:59,019 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 23:57:59,019 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_6933baee-33a0-4818-a5c0-80d4b1caecf5/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) [2020-11-29 23:57:59,070 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 23:57:59,071 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 [2020-11-29 23:57:59,078 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-29 23:57:59,115 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 23:57:59,115 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 23:57:59,115 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 23:57:59,115 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 23:57:59,115 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 23:57:59,116 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:57:59,116 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 23:57:59,116 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 23:57:59,116 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration1_Loop [2020-11-29 23:57:59,116 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 23:57:59,116 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 23:57:59,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:57:59,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:57:59,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:57:59,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:57:59,279 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 23:57:59,284 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6933baee-33a0-4818-a5c0-80d4b1caecf5/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) [2020-11-29 23:57:59,294 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 [2020-11-29 23:57:59,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:57:59,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:57:59,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:57:59,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:57:59,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:57:59,303 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:57:59,303 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 [2020-11-29 23:57:59,307 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 23:57:59,326 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-29 23:57:59,326 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_6933baee-33a0-4818-a5c0-80d4b1caecf5/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:57:59,371 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 23:57:59,372 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-29 23:57:59,372 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 23:57:59,373 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] [2020-11-29 23:57:59,410 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-29 23:57:59,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:57:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:59,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 23:57:59,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:59,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 23:57:59,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:57:59,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:59,964 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 [2020-11-29 23:57:59,966 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45204 states. Second operand 4 states. [2020-11-29 23:58:07,313 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45204 states.. Second operand 4 states. Result 223343 states and 364896 transitions. Complement of second has 7 states. [2020-11-29 23:58:07,314 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 [2020-11-29 23:58:07,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-29 23:58:07,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 219620 transitions. [2020-11-29 23:58:07,552 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 219620 transitions. Stem has 27 letters. Loop has 7 letters. [2020-11-29 23:58:07,554 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:58:07,555 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 219620 transitions. Stem has 34 letters. Loop has 7 letters. [2020-11-29 23:58:07,555 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:58:07,555 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 219620 transitions. Stem has 27 letters. Loop has 14 letters. [2020-11-29 23:58:07,556 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:58:07,558 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 223343 states and 364896 transitions. [2020-11-29 23:58:10,303 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 435 [2020-11-29 23:58:10,337 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 223343 states to 990 states and 1812 transitions. [2020-11-29 23:58:10,338 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 501 [2020-11-29 23:58:10,341 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 502 [2020-11-29 23:58:10,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 990 states and 1812 transitions. [2020-11-29 23:58:10,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 23:58:10,345 INFO L691 BuchiCegarLoop]: Abstraction has 990 states and 1812 transitions. [2020-11-29 23:58:10,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states and 1812 transitions. [2020-11-29 23:58:10,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 555. [2020-11-29 23:58:10,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2020-11-29 23:58:10,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1011 transitions. [2020-11-29 23:58:10,447 INFO L714 BuchiCegarLoop]: Abstraction has 555 states and 1011 transitions. [2020-11-29 23:58:10,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:58:10,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 23:58:10,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:58:10,456 INFO L87 Difference]: Start difference. First operand 555 states and 1011 transitions. Second operand 5 states. [2020-11-29 23:58:10,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:58:10,548 INFO L93 Difference]: Finished difference Result 558 states and 1013 transitions. [2020-11-29 23:58:10,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 23:58:10,550 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 558 states and 1013 transitions. [2020-11-29 23:58:10,554 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2020-11-29 23:58:10,562 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 558 states to 555 states and 1004 transitions. [2020-11-29 23:58:10,563 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 284 [2020-11-29 23:58:10,564 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 284 [2020-11-29 23:58:10,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 555 states and 1004 transitions. [2020-11-29 23:58:10,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 23:58:10,566 INFO L691 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2020-11-29 23:58:10,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states and 1004 transitions. [2020-11-29 23:58:10,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2020-11-29 23:58:10,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2020-11-29 23:58:10,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1004 transitions. [2020-11-29 23:58:10,588 INFO L714 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2020-11-29 23:58:10,589 INFO L594 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2020-11-29 23:58:10,589 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 23:58:10,589 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 555 states and 1004 transitions. [2020-11-29 23:58:10,595 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2020-11-29 23:58:10,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:58:10,596 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:58:10,600 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:58:10,600 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:58:10,601 INFO L794 eck$LassoCheckResult]: Stem: 270105#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(36);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string42.base, #t~string42.offset, 1);call write~init~int(115, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(10, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(16);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(10);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(34);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(30);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(16);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(20);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(22);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(21);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(44);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(44);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(9);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(9);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(11);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(19);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string127.base, #t~string127.offset, 1);call write~init~int(100, #t~string127.base, 1 + #t~string127.offset, 1);call write~init~int(10, #t~string127.base, 2 + #t~string127.offset, 1);call write~init~int(0, #t~string127.base, 3 + #t~string127.offset, 1);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string130.base, #t~string130.offset, 1);call write~init~int(100, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(10, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 3 + #t~string130.offset, 1);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(10);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(12);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(10);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(18);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(16);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(21);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(13);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(16);call #t~string162.base, #t~string162.offset := #Ultimate.allocOnStack(25);~head~0.base, ~head~0.offset := 0, 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__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;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 269852#L-1 havoc main_#res;havoc main_#t~ret122, main_~retValue_acc~39, main_~tmp~21;havoc main_~retValue_acc~39;havoc main_~tmp~21;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 269853#L481 havoc select_features_#t~ret45, select_features_#t~ret46, select_features_#t~ret47, select_features_#t~ret48, select_features_#t~ret49, select_features_#t~ret50, select_features_#t~ret51, select_features_#t~ret52;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 270346#L454 select_features_#t~ret45 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret45;havoc select_features_#t~ret45;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 270347#L454-1 select_features_#t~ret46 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret46;havoc select_features_#t~ret46;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 270338#L454-2 select_features_#t~ret47 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret47;havoc select_features_#t~ret47;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 270339#L454-3 select_features_#t~ret48 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret48;havoc select_features_#t~ret48;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 270340#L454-4 select_features_#t~ret49 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret49;havoc select_features_#t~ret49;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 270341#L454-5 select_features_#t~ret50 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret50;havoc select_features_#t~ret50;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 270342#L454-6 select_features_#t~ret51 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret51;havoc select_features_#t~ret51;~__SELECTED_FEATURE_Verify~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 270343#L454-7 select_features_#t~ret52 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret52;havoc select_features_#t~ret52; 270115#L473 havoc valid_product_#res;havoc valid_product_~retValue_acc~5, valid_product_~tmp~3;havoc valid_product_~retValue_acc~5;havoc valid_product_~tmp~3; 270116#L489 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 270207#L493 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 270264#L498 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 270299#L503 assume 0 == ~__SELECTED_FEATURE_Sign~0; 270262#L508 assume 0 == ~__SELECTED_FEATURE_Verify~0; 270098#L513 assume 0 == ~__SELECTED_FEATURE_Sign~0; 270149#L518 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~3 := 1; 270330#L492-1 valid_product_~retValue_acc~5 := valid_product_~tmp~3;valid_product_#res := valid_product_~retValue_acc~5; 269951#L549 main_#t~ret122 := valid_product_#res;main_~tmp~21 := main_#t~ret122;havoc main_#t~ret122; 269952#L3107 assume 0 != main_~tmp~21;havoc setup_#t~nondet117, setup_#t~nondet119, setup_#t~nondet121, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.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_tmp3~3.base, setup_~__cil_tmp3~3.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; 270084#L2951 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 269953#L1617-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 269796#L1623-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string116.base, #t~string116.offset;havoc setup_#t~nondet117;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 270121#L2989 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 269922#L1617-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 269822#L1623-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string118.base, #t~string118.offset;havoc setup_#t~nondet119;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 270177#L3027 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 269875#L1617-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 269876#L1623-17 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string120.base, #t~string120.offset;havoc setup_#t~nondet121; 270095#L3094 havoc test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, 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~6, test_~tmp___0~0, test_~tmp___1~0, 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~6;havoc test_~tmp___0~0;havoc test_~tmp___1~0;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; 270096#L1876-1 assume !false; 269857#L1685 [2020-11-29 23:58:10,601 INFO L796 eck$LassoCheckResult]: Loop: 269857#L1685 assume test_~splverifierCounter~0 < 4; 270073#L1686 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 270283#L1692 assume !(0 == test_~op1~0); 270076#L1709 assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet56;havoc test_#t~nondet56; 270348#L1714 assume 0 != test_~tmp___8~0; 270336#L1715 assume !(0 != ~__SELECTED_FEATURE_AutoResponder~0); 269932#L1715-1 test_~op2~0 := 1; 269798#L1876-1 assume !false; 269857#L1685 [2020-11-29 23:58:10,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:58:10,602 INFO L82 PathProgramCache]: Analyzing trace with hash 507241003, now seen corresponding path program 1 times [2020-11-29 23:58:10,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:58:10,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950436783] [2020-11-29 23:58:10,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:58:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:58:10,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:58:10,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950436783] [2020-11-29 23:58:10,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:58:10,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:58:10,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428641730] [2020-11-29 23:58:10,741 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 23:58:10,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:58:10,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1422577527, now seen corresponding path program 1 times [2020-11-29 23:58:10,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:58:10,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937796845] [2020-11-29 23:58:10,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:58:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:58:10,755 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:58:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:58:10,760 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:58:10,771 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:58:10,822 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 23:58:10,822 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 23:58:10,822 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 23:58:10,822 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 23:58:10,823 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 23:58:10,823 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:58:10,823 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 23:58:10,823 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 23:58:10,823 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration2_Loop [2020-11-29 23:58:10,823 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 23:58:10,823 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 23:58:10,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:58:10,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:58:10,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:58:10,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:58:10,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:58:10,979 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 23:58:10,979 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6933baee-33a0-4818-a5c0-80d4b1caecf5/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) [2020-11-29 23:58:10,985 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 23:58:10,985 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6933baee-33a0-4818-a5c0-80d4b1caecf5/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) [2020-11-29 23:58:11,031 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 23:58:11,031 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 [2020-11-29 23:58:11,038 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-29 23:58:11,076 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 23:58:11,076 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 23:58:11,076 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 23:58:11,076 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 23:58:11,076 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 23:58:11,076 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:58:11,077 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 23:58:11,077 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 23:58:11,077 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration2_Loop [2020-11-29 23:58:11,077 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 23:58:11,077 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 23:58:11,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:58:11,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:58:11,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:58:11,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:58:11,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:58:11,249 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 23:58:11,249 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6933baee-33a0-4818-a5c0-80d4b1caecf5/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) [2020-11-29 23:58:11,257 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 [2020-11-29 23:58:11,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:58:11,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:58:11,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:58:11,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:58:11,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:58:11,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:58:11,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:58:11,274 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 23:58:11,279 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-29 23:58:11,279 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_6933baee-33a0-4818-a5c0-80d4b1caecf5/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) [2020-11-29 23:58:11,287 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 23:58:11,287 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-29 23:58:11,287 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 23:58:11,287 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:58:11,331 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-29 23:58:11,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:58:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:58:11,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 23:58:11,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:58:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:58:11,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 23:58:11,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:58:11,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:58:11,658 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 [2020-11-29 23:58:11,658 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 555 states and 1004 transitions. cyclomatic complexity: 451 Second operand 5 states. [2020-11-29 23:58:11,865 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 555 states and 1004 transitions. cyclomatic complexity: 451. Second operand 5 states. Result 2006 states and 3673 transitions. Complement of second has 6 states. [2020-11-29 23:58:11,866 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 [2020-11-29 23:58:11,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-29 23:58:11,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1089 transitions. [2020-11-29 23:58:11,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 8 letters. [2020-11-29 23:58:11,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:58:11,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 41 letters. Loop has 8 letters. [2020-11-29 23:58:11,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:58:11,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 16 letters. [2020-11-29 23:58:11,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:58:11,877 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2006 states and 3673 transitions. [2020-11-29 23:58:11,889 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 425 [2020-11-29 23:58:11,907 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2006 states to 1996 states and 3655 transitions. [2020-11-29 23:58:11,907 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 494 [2020-11-29 23:58:11,908 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 496 [2020-11-29 23:58:11,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1996 states and 3655 transitions. [2020-11-29 23:58:11,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 23:58:11,909 INFO L691 BuchiCegarLoop]: Abstraction has 1996 states and 3655 transitions. [2020-11-29 23:58:11,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states and 3655 transitions. [2020-11-29 23:58:11,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1039. [2020-11-29 23:58:11,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1039 states. [2020-11-29 23:58:11,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1894 transitions. [2020-11-29 23:58:11,940 INFO L714 BuchiCegarLoop]: Abstraction has 1039 states and 1894 transitions. [2020-11-29 23:58:11,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:58:11,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:58:11,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:58:11,942 INFO L87 Difference]: Start difference. First operand 1039 states and 1894 transitions. Second operand 3 states. [2020-11-29 23:58:12,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:58:12,813 INFO L93 Difference]: Finished difference Result 1039 states and 1893 transitions. [2020-11-29 23:58:12,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:58:12,814 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1893 transitions. [2020-11-29 23:58:12,819 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2020-11-29 23:58:12,828 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 1039 states and 1893 transitions. [2020-11-29 23:58:12,829 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 281 [2020-11-29 23:58:12,829 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 281 [2020-11-29 23:58:12,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1039 states and 1893 transitions. [2020-11-29 23:58:12,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 23:58:12,831 INFO L691 BuchiCegarLoop]: Abstraction has 1039 states and 1893 transitions. [2020-11-29 23:58:12,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states and 1893 transitions. [2020-11-29 23:58:12,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1039. [2020-11-29 23:58:12,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1039 states. [2020-11-29 23:58:12,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1893 transitions. [2020-11-29 23:58:12,851 INFO L714 BuchiCegarLoop]: Abstraction has 1039 states and 1893 transitions. [2020-11-29 23:58:12,851 INFO L594 BuchiCegarLoop]: Abstraction has 1039 states and 1893 transitions. [2020-11-29 23:58:12,851 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-29 23:58:12,851 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1039 states and 1893 transitions. [2020-11-29 23:58:12,855 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2020-11-29 23:58:12,855 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:58:12,855 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:58:12,857 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:58:12,857 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:58:12,857 INFO L794 eck$LassoCheckResult]: Stem: 274890#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(36);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string42.base, #t~string42.offset, 1);call write~init~int(115, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(10, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(16);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(10);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(34);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(30);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(16);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(20);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(22);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(21);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(44);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(44);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(9);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(9);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(11);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(19);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string127.base, #t~string127.offset, 1);call write~init~int(100, #t~string127.base, 1 + #t~string127.offset, 1);call write~init~int(10, #t~string127.base, 2 + #t~string127.offset, 1);call write~init~int(0, #t~string127.base, 3 + #t~string127.offset, 1);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string130.base, #t~string130.offset, 1);call write~init~int(100, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(10, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 3 + #t~string130.offset, 1);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(10);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(12);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(10);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(18);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(16);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(21);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(13);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(16);call #t~string162.base, #t~string162.offset := #Ultimate.allocOnStack(25);~head~0.base, ~head~0.offset := 0, 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__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;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 274638#L-1 havoc main_#res;havoc main_#t~ret122, main_~retValue_acc~39, main_~tmp~21;havoc main_~retValue_acc~39;havoc main_~tmp~21;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 274639#L481 havoc select_features_#t~ret45, select_features_#t~ret46, select_features_#t~ret47, select_features_#t~ret48, select_features_#t~ret49, select_features_#t~ret50, select_features_#t~ret51, select_features_#t~ret52;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 275141#L454 select_features_#t~ret45 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret45;havoc select_features_#t~ret45;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 275142#L454-1 select_features_#t~ret46 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret46;havoc select_features_#t~ret46;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 275133#L454-2 select_features_#t~ret47 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret47;havoc select_features_#t~ret47;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 275134#L454-3 select_features_#t~ret48 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret48;havoc select_features_#t~ret48;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 275135#L454-4 select_features_#t~ret49 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret49;havoc select_features_#t~ret49;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 275136#L454-5 select_features_#t~ret50 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret50;havoc select_features_#t~ret50;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 275137#L454-6 select_features_#t~ret51 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret51;havoc select_features_#t~ret51;~__SELECTED_FEATURE_Verify~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet44, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet44;havoc select_one_#t~nondet44;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 275138#L454-7 select_features_#t~ret52 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret52;havoc select_features_#t~ret52; 274900#L473 havoc valid_product_#res;havoc valid_product_~retValue_acc~5, valid_product_~tmp~3;havoc valid_product_~retValue_acc~5;havoc valid_product_~tmp~3; 274901#L489 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 274994#L493 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 275052#L498 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 275089#L503 assume 0 == ~__SELECTED_FEATURE_Sign~0; 275049#L508 assume !(0 == ~__SELECTED_FEATURE_Verify~0); 274882#L512 assume 0 != ~__SELECTED_FEATURE_Sign~0; 274883#L513 assume 0 == ~__SELECTED_FEATURE_Sign~0; 274935#L518 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~3 := 1; 275122#L492-1 valid_product_~retValue_acc~5 := valid_product_~tmp~3;valid_product_#res := valid_product_~retValue_acc~5; 274736#L549 main_#t~ret122 := valid_product_#res;main_~tmp~21 := main_#t~ret122;havoc main_#t~ret122; 274737#L3107 assume 0 != main_~tmp~21;havoc setup_#t~nondet117, setup_#t~nondet119, setup_#t~nondet121, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.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_tmp3~3.base, setup_~__cil_tmp3~3.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; 274869#L2951 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 274738#L1617-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 274582#L1623-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string116.base, #t~string116.offset;havoc setup_#t~nondet117;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 274906#L2989 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 274704#L1617-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 274608#L1623-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string118.base, #t~string118.offset;havoc setup_#t~nondet119;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 274962#L3027 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 274662#L1617-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 274663#L1623-17 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string120.base, #t~string120.offset;havoc setup_#t~nondet121; 274878#L3094 havoc test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, 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~6, test_~tmp___0~0, test_~tmp___1~0, 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~6;havoc test_~tmp___0~0;havoc test_~tmp___1~0;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; 274879#L1876-1 assume !false; 275217#L1685 assume test_~splverifierCounter~0 < 4; 275072#L1686 [2020-11-29 23:58:12,858 INFO L796 eck$LassoCheckResult]: Loop: 275072#L1686 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 275073#L1692 assume !(0 == test_~op1~0); 274862#L1709 assume !(0 == test_~op2~0); 274746#L1727 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet57;havoc test_#t~nondet57; 274747#L1732 assume 0 != test_~tmp___7~0; 274681#L1733 assume !(0 != ~__SELECTED_FEATURE_Keys~0); 274583#L1733-1 test_~op3~0 := 1; 274584#L1876-1 assume !false; 274643#L1685 assume test_~splverifierCounter~0 < 4; 275072#L1686 [2020-11-29 23:58:12,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:58:12,858 INFO L82 PathProgramCache]: Analyzing trace with hash -274677724, now seen corresponding path program 1 times [2020-11-29 23:58:12,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:58:12,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614965049] [2020-11-29 23:58:12,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:58:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:58:12,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:58:12,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614965049] [2020-11-29 23:58:12,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:58:12,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:58:12,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81046843] [2020-11-29 23:58:12,933 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 23:58:12,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:58:12,934 INFO L82 PathProgramCache]: Analyzing trace with hash -986478044, now seen corresponding path program 1 times [2020-11-29 23:58:12,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:58:12,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114955331] [2020-11-29 23:58:12,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:58:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:58:12,944 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:58:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:58:12,954 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:58:12,965 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:58:13,016 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 23:58:13,016 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 23:58:13,016 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 23:58:13,016 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 23:58:13,017 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 23:58:13,017 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:58:13,017 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 23:58:13,017 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 23:58:13,017 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration3_Loop [2020-11-29 23:58:13,017 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 23:58:13,017 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 23:58:13,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:58:13,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:58:13,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:58:13,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:58:13,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:58:13,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:58:13,196 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 23:58:13,197 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6933baee-33a0-4818-a5c0-80d4b1caecf5/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) [2020-11-29 23:58:13,201 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 23:58:13,202 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:58:13,207 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 23:58:13,207 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__SELECTED_FEATURE_Keys~0=0} Honda state: {~__SELECTED_FEATURE_Keys~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6933baee-33a0-4818-a5c0-80d4b1caecf5/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) [2020-11-29 23:58:13,249 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 23:58:13,249 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:58:13,255 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 23:58:13,256 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet57=-3, ULTIMATE.start_test_~tmp___7~0=-3} Honda state: {ULTIMATE.start_test_#t~nondet57=-3, ULTIMATE.start_test_~tmp___7~0=-3} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6933baee-33a0-4818-a5c0-80d4b1caecf5/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 23:58:13,301 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 23:58:13,301 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:58:13,306 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 23:58:13,306 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=-5} Honda state: {ULTIMATE.start_test_~op1~0=-5} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6933baee-33a0-4818-a5c0-80d4b1caecf5/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 23:58:13,350 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 23:58:13,351 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6933baee-33a0-4818-a5c0-80d4b1caecf5/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 23:58:13,397 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 23:58:13,397 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:58:13,507 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-29 23:58:13,510 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 23:58:13,510 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 23:58:13,510 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 23:58:13,510 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 23:58:13,510 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 23:58:13,510 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:58:13,510 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 23:58:13,511 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 23:58:13,511 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration3_Loop [2020-11-29 23:58:13,511 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 23:58:13,511 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 23:58:13,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:58:13,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:58:13,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:58:13,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:58:13,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:58:13,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:58:13,680 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 23:58:13,681 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6933baee-33a0-4818-a5c0-80d4b1caecf5/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 23:58:13,693 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 [2020-11-29 23:58:13,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:58:13,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:58:13,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:58:13,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:58:13,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:58:13,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:58:13,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:58:13,699 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6933baee-33a0-4818-a5c0-80d4b1caecf5/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 23:58:13,742 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 [2020-11-29 23:58:13,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:58:13,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:58:13,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:58:13,745 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 23:58:13,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:58:13,748 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:58:13,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:58:13,752 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6933baee-33a0-4818-a5c0-80d4b1caecf5/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:58:13,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:58:13,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:58:13,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:58:13,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:58:13,800 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 23:58:13,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:58:13,801 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 23:58:13,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:58:13,804 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6933baee-33a0-4818-a5c0-80d4b1caecf5/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 23:58:13,848 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 Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:58:13,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:58:13,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:58:13,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:58:13,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:58:13,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:58:13,852 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:58:13,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:58:13,855 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 23:58:13,858 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-29 23:58:13,858 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_6933baee-33a0-4818-a5c0-80d4b1caecf5/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 23:58:13,865 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 23:58:13,865 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-29 23:58:13,866 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 23:58:13,866 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 5 Supporting invariants [] Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:58:13,903 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-29 23:58:13,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:58:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:58:14,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 23:58:14,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:58:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:58:14,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 23:58:14,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:58:14,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:58:14,189 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 [2020-11-29 23:58:14,189 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1039 states and 1893 transitions. cyclomatic complexity: 858 Second operand 3 states. [2020-11-29 23:58:14,306 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1039 states and 1893 transitions. cyclomatic complexity: 858. Second operand 3 states. Result 2228 states and 4084 transitions. Complement of second has 4 states. [2020-11-29 23:58:14,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-29 23:58:14,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 23:58:14,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 600 transitions. [2020-11-29 23:58:14,308 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 600 transitions. Stem has 35 letters. Loop has 9 letters. [2020-11-29 23:58:14,308 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:58:14,308 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 600 transitions. Stem has 44 letters. Loop has 9 letters. [2020-11-29 23:58:14,309 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:58:14,309 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 600 transitions. Stem has 35 letters. Loop has 18 letters. [2020-11-29 23:58:14,309 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:58:14,309 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2228 states and 4084 transitions. [2020-11-29 23:58:14,320 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 23:58:14,321 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2228 states to 0 states and 0 transitions. [2020-11-29 23:58:14,321 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 23:58:14,321 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 23:58:14,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 23:58:14,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 23:58:14,322 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:58:14,322 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:58:14,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:58:14,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:58:14,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:58:14,328 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-11-29 23:58:14,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:58:14,329 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-11-29 23:58:14,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 23:58:14,329 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-11-29 23:58:14,329 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 23:58:14,329 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 23:58:14,329 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 23:58:14,330 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 23:58:14,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 23:58:14,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 23:58:14,330 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:58:14,330 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:58:14,330 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:58:14,330 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-29 23:58:14,330 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 23:58:14,331 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 23:58:14,331 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 23:58:14,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 11:58:14 BoogieIcfgContainer [2020-11-29 23:58:14,338 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 23:58:14,339 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:58:14,339 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:58:14,339 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:58:14,341 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:57:55" (3/4) ... [2020-11-29 23:58:14,344 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 23:58:14,345 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:58:14,348 INFO L168 Benchmark]: Toolchain (without parser) took 101257.36 ms. Allocated memory was 81.8 MB in the beginning and 10.8 GB in the end (delta: 10.7 GB). Free memory was 47.4 MB in the beginning and 8.4 GB in the end (delta: -8.4 GB). Peak memory consumption was 2.3 GB. Max. memory is 16.1 GB. [2020-11-29 23:58:14,353 INFO L168 Benchmark]: CDTParser took 0.93 ms. Allocated memory is still 81.8 MB. Free memory was 59.3 MB in the beginning and 59.2 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:58:14,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1272.15 ms. Allocated memory was 81.8 MB in the beginning and 107.0 MB in the end (delta: 25.2 MB). Free memory was 47.2 MB in the beginning and 73.2 MB in the end (delta: -26.0 MB). Peak memory consumption was 34.3 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:14,356 INFO L168 Benchmark]: Boogie Procedure Inliner took 7413.55 ms. Allocated memory was 107.0 MB in the beginning and 3.1 GB in the end (delta: 3.0 GB). Free memory was 73.2 MB in the beginning and 2.6 GB in the end (delta: -2.5 GB). Peak memory consumption was 502.0 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:14,357 INFO L168 Benchmark]: Boogie Preprocessor took 5713.80 ms. Allocated memory was 3.1 GB in the beginning and 6.8 GB in the end (delta: 3.7 GB). Free memory was 2.6 GB in the beginning and 6.0 GB in the end (delta: -3.5 GB). Peak memory consumption was 458.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:14,360 INFO L168 Benchmark]: RCFGBuilder took 68319.86 ms. Allocated memory was 6.8 GB in the beginning and 10.5 GB in the end (delta: 3.7 GB). Free memory was 6.0 GB in the beginning and 9.1 GB in the end (delta: -3.0 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. [2020-11-29 23:58:14,361 INFO L168 Benchmark]: BuchiAutomizer took 18525.60 ms. Allocated memory was 10.5 GB in the beginning and 10.8 GB in the end (delta: 232.8 MB). Free memory was 9.1 GB in the beginning and 8.4 GB in the end (delta: 649.3 MB). Peak memory consumption was 882.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:14,361 INFO L168 Benchmark]: Witness Printer took 5.76 ms. Allocated memory is still 10.8 GB. Free memory is still 8.4 GB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:58:14,370 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93 ms. Allocated memory is still 81.8 MB. Free memory was 59.3 MB in the beginning and 59.2 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1272.15 ms. Allocated memory was 81.8 MB in the beginning and 107.0 MB in the end (delta: 25.2 MB). Free memory was 47.2 MB in the beginning and 73.2 MB in the end (delta: -26.0 MB). Peak memory consumption was 34.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 7413.55 ms. Allocated memory was 107.0 MB in the beginning and 3.1 GB in the end (delta: 3.0 GB). Free memory was 73.2 MB in the beginning and 2.6 GB in the end (delta: -2.5 GB). Peak memory consumption was 502.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 5713.80 ms. Allocated memory was 3.1 GB in the beginning and 6.8 GB in the end (delta: 3.7 GB). Free memory was 2.6 GB in the beginning and 6.0 GB in the end (delta: -3.5 GB). Peak memory consumption was 458.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 68319.86 ms. Allocated memory was 6.8 GB in the beginning and 10.5 GB in the end (delta: 3.7 GB). Free memory was 6.0 GB in the beginning and 9.1 GB in the end (delta: -3.0 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. * BuchiAutomizer took 18525.60 ms. Allocated memory was 10.5 GB in the beginning and 10.8 GB in the end (delta: 232.8 MB). Free memory was 9.1 GB in the beginning and 8.4 GB in the end (delta: 649.3 MB). Peak memory consumption was 882.1 MB. Max. memory is 16.1 GB. * Witness Printer took 5.76 ms. Allocated memory is still 10.8 GB. Free memory is still 8.4 GB. 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 6 terminating modules (3 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op1 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * op2 + 1 and consists of 4 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 5 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 18.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. Construction of modules took 0.9s. Büchi inclusion checks took 9.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 1392 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 2.8s Buchi closure took 0.0s. Biggest automaton had 1039 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 148259 SDtfs, 147752 SDslu, 221619 SDs, 0 SdLazy, 36 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT3 lasso0 LassoPreprocessingBenchmarks: Lassos: inital30 mio100 ax100 hnf100 lsp33 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...