./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product05.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_c2046713-20ae-4794-964b-4d361063b27c/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c2046713-20ae-4794-964b-4d361063b27c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c2046713-20ae-4794-964b-4d361063b27c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c2046713-20ae-4794-964b-4d361063b27c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c2046713-20ae-4794-964b-4d361063b27c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c2046713-20ae-4794-964b-4d361063b27c/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 ec4497e08a1792200bf5eff0342ec51442e382a3 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:05:56,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:05:56,920 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:05:57,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:05:57,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:05:57,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:05:57,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:05:57,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:05:57,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:05:57,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:05:57,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:05:57,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:05:57,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:05:57,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:05:57,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:05:57,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:05:57,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:05:57,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:05:57,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:05:57,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:05:57,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:05:57,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:05:57,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:05:57,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:05:57,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:05:57,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:05:57,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:05:57,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:05:57,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:05:57,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:05:57,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:05:57,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:05:57,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:05:57,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:05:57,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:05:57,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:05:57,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:05:57,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:05:57,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:05:57,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:05:57,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:05:57,088 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c2046713-20ae-4794-964b-4d361063b27c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 22:05:57,127 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:05:57,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:05:57,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:05:57,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:05:57,129 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:05:57,129 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 22:05:57,130 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 22:05:57,130 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 22:05:57,130 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 22:05:57,130 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 22:05:57,131 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 22:05:57,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:05:57,132 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:05:57,132 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 22:05:57,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:05:57,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:05:57,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:05:57,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 22:05:57,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 22:05:57,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 22:05:57,134 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:05:57,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:05:57,134 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 22:05:57,134 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:05:57,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 22:05:57,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:05:57,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:05:57,135 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 22:05:57,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:05:57,137 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:05:57,137 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:05:57,138 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 22:05:57,139 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 22:05:57,139 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_c2046713-20ae-4794-964b-4d361063b27c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c2046713-20ae-4794-964b-4d361063b27c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec4497e08a1792200bf5eff0342ec51442e382a3 [2020-11-29 22:05:57,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:05:57,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:05:57,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:05:57,472 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:05:57,477 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:05:57,478 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c2046713-20ae-4794-964b-4d361063b27c/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2020-11-29 22:05:57,564 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c2046713-20ae-4794-964b-4d361063b27c/bin/uautomizer/data/871b48c71/ceaad189b1804d18960de01d73a8b0c3/FLAG7d3d70b04 [2020-11-29 22:05:58,083 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:05:58,084 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c2046713-20ae-4794-964b-4d361063b27c/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2020-11-29 22:05:58,117 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c2046713-20ae-4794-964b-4d361063b27c/bin/uautomizer/data/871b48c71/ceaad189b1804d18960de01d73a8b0c3/FLAG7d3d70b04 [2020-11-29 22:05:58,371 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c2046713-20ae-4794-964b-4d361063b27c/bin/uautomizer/data/871b48c71/ceaad189b1804d18960de01d73a8b0c3 [2020-11-29 22:05:58,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:05:58,377 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:05:58,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:05:58,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:05:58,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:05:58,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:05:58" (1/1) ... [2020-11-29 22:05:58,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cbbac32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:05:58, skipping insertion in model container [2020-11-29 22:05:58,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:05:58" (1/1) ... [2020-11-29 22:05:58,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:05:58,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:05:58,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:05:59,003 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:05:59,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:05:59,207 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:05:59,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:05:59 WrapperNode [2020-11-29 22:05:59,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:05:59,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:05:59,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:05:59,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:05:59,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:05:59" (1/1) ... [2020-11-29 22:05:59,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:05:59" (1/1) ... [2020-11-29 22:05:59,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:05:59,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:05:59,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:05:59,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:05:59,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:05:59" (1/1) ... [2020-11-29 22:05:59,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:05:59" (1/1) ... [2020-11-29 22:05:59,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:05:59" (1/1) ... [2020-11-29 22:05:59,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:05:59" (1/1) ... [2020-11-29 22:05:59,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:05:59" (1/1) ... [2020-11-29 22:05:59,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:05:59" (1/1) ... [2020-11-29 22:05:59,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:05:59" (1/1) ... [2020-11-29 22:05:59,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:05:59,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:05:59,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:05:59,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:05:59,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:05:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2046713-20ae-4794-964b-4d361063b27c/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 22:05:59,474 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-11-29 22:05:59,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:05:59,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:05:59,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:05:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:06:00,625 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:06:00,625 INFO L298 CfgBuilder]: Removed 131 assume(true) statements. [2020-11-29 22:06:00,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:06:00 BoogieIcfgContainer [2020-11-29 22:06:00,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:06:00,629 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 22:06:00,629 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 22:06:00,633 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 22:06:00,633 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 22:06:00,634 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 10:05:58" (1/3) ... [2020-11-29 22:06:00,635 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@efb64cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 10:06:00, skipping insertion in model container [2020-11-29 22:06:00,635 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 22:06:00,636 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:05:59" (2/3) ... [2020-11-29 22:06:00,636 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@efb64cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 10:06:00, skipping insertion in model container [2020-11-29 22:06:00,636 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 22:06:00,636 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:06:00" (3/3) ... [2020-11-29 22:06:00,638 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec0_product05.cil.c [2020-11-29 22:06:00,696 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 22:06:00,696 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 22:06:00,697 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 22:06:00,697 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:06:00,697 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:06:00,697 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 22:06:00,697 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:06:00,698 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 22:06:00,719 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states. [2020-11-29 22:06:00,751 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2020-11-29 22:06:00,752 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:06:00,752 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:06:00,760 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:06:00,760 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-29 22:06:00,760 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 22:06:00,761 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states. [2020-11-29 22:06:00,769 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2020-11-29 22:06:00,770 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:06:00,770 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:06:00,771 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:06:00,771 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-29 22:06:00,777 INFO L794 eck$LassoCheckResult]: Stem: 85#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(44);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(44);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(9);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(9);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(11);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(16);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(10);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(16);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(21);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string84.base, #t~string84.offset, 1);call write~init~int(115, #t~string84.base, 1 + #t~string84.offset, 1);call write~init~int(10, #t~string84.base, 2 + #t~string84.offset, 1);call write~init~int(0, #t~string84.base, 3 + #t~string84.offset, 1);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(10);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(12);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(10);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(18);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 11#L-1true havoc main_#res;havoc main_#t~nondet20, main_#t~ret21, main_~retValue_acc~0, main_~tmp~1;main_~retValue_acc~0 := main_#t~nondet20;havoc main_#t~nondet20;havoc main_~tmp~1; 69#L2530true havoc valid_product_#res;havoc valid_product_~retValue_acc~41;havoc valid_product_~retValue_acc~41;valid_product_~retValue_acc~41 := 1;valid_product_#res := valid_product_~retValue_acc~41; 80#L2538true main_#t~ret21 := valid_product_#res;main_~tmp~1 := main_#t~ret21;havoc main_#t~ret21; 115#L173true assume 0 != main_~tmp~1;havoc setup_#t~nondet15, setup_#t~nondet17, setup_#t~nondet19, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.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_tmp3~0.base, setup_~__cil_tmp3~0.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;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 67#L2255true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 25#L2261-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string14.base, #t~string14.offset;havoc setup_#t~nondet15;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 63#L2255-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 34#L2261-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string16.base, #t~string16.offset;havoc setup_#t~nondet17;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 64#L2255-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 19#L2261-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string18.base, #t~string18.offset;havoc setup_#t~nondet19; 72#L160true havoc test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, 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~2, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 135#L368-1true [2020-11-29 22:06:00,777 INFO L796 eck$LassoCheckResult]: Loop: 135#L368-1true assume !false; 123#L244true assume test_~splverifierCounter~0 < 4; 84#L245true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 62#L251true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet22;havoc test_#t~nondet22; 12#L255true assume 0 != test_~tmp___9~0;test_~op1~0 := 1; 135#L368-1true [2020-11-29 22:06:00,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:06:00,783 INFO L82 PathProgramCache]: Analyzing trace with hash -580026000, now seen corresponding path program 1 times [2020-11-29 22:06:00,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:06:00,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004490362] [2020-11-29 22:06:00,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:06:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:06:01,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:06:01,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004490362] [2020-11-29 22:06:01,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:06:01,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:06:01,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818156007] [2020-11-29 22:06:01,072 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 22:06:01,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:06:01,073 INFO L82 PathProgramCache]: Analyzing trace with hash 103192148, now seen corresponding path program 1 times [2020-11-29 22:06:01,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:06:01,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57775035] [2020-11-29 22:06:01,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:06:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:06:01,093 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:06:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:06:01,106 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:06:01,148 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:06:01,219 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 22:06:01,220 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 22:06:01,220 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 22:06:01,221 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 22:06:01,221 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 22:06:01,221 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:06:01,221 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 22:06:01,221 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 22:06:01,221 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product05.cil.c_Iteration1_Loop [2020-11-29 22:06:01,222 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 22:06:01,222 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 22:06:01,242 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 22:06:01,254 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 22:06:01,262 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 22:06:01,369 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 22:06:01,370 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2046713-20ae-4794-964b-4d361063b27c/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 22:06:01,383 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 22:06:01,383 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_c2046713-20ae-4794-964b-4d361063b27c/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 22:06:01,430 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 22:06:01,430 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 22:06:01,436 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-29 22:06:01,470 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 22:06:01,470 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 22:06:01,470 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 22:06:01,470 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 22:06:01,470 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 22:06:01,470 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:06:01,471 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 22:06:01,471 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 22:06:01,471 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product05.cil.c_Iteration1_Loop [2020-11-29 22:06:01,471 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 22:06:01,471 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 22:06:01,472 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 22:06:01,481 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 22:06:01,489 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 22:06:01,566 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 22:06:01,570 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2046713-20ae-4794-964b-4d361063b27c/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 22:06:01,579 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 22:06:01,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:06:01,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:06:01,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:06:01,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:06:01,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:06:01,585 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:06:01,586 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 22:06:01,589 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 22:06:01,598 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-29 22:06:01,598 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_c2046713-20ae-4794-964b-4d361063b27c/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 22:06:01,622 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 22:06:01,623 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-29 22:06:01,623 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 22:06:01,624 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 22:06:01,660 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-29 22:06:01,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:06:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:06:01,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 22:06:01,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:06:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:06:01,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 22:06:01,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:06:02,003 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 22:06:02,017 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 22:06:02,018 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 134 states. Second operand 4 states. [2020-11-29 22:06:02,220 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 134 states.. Second operand 4 states. Result 566 states and 903 transitions. Complement of second has 7 states. [2020-11-29 22:06:02,221 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 22:06:02,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-29 22:06:02,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 535 transitions. [2020-11-29 22:06:02,234 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 535 transitions. Stem has 12 letters. Loop has 5 letters. [2020-11-29 22:06:02,235 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 22:06:02,235 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 535 transitions. Stem has 17 letters. Loop has 5 letters. [2020-11-29 22:06:02,236 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 22:06:02,236 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 535 transitions. Stem has 12 letters. Loop has 10 letters. [2020-11-29 22:06:02,236 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 22:06:02,237 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 566 states and 903 transitions. [2020-11-29 22:06:02,260 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2020-11-29 22:06:02,269 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 566 states to 135 states and 235 transitions. [2020-11-29 22:06:02,270 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 76 [2020-11-29 22:06:02,273 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 77 [2020-11-29 22:06:02,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 135 states and 235 transitions. [2020-11-29 22:06:02,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 22:06:02,274 INFO L691 BuchiCegarLoop]: Abstraction has 135 states and 235 transitions. [2020-11-29 22:06:02,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states and 235 transitions. [2020-11-29 22:06:02,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 78. [2020-11-29 22:06:02,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-11-29 22:06:02,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 134 transitions. [2020-11-29 22:06:02,314 INFO L714 BuchiCegarLoop]: Abstraction has 78 states and 134 transitions. [2020-11-29 22:06:02,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:06:02,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:06:02,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:06:02,318 INFO L87 Difference]: Start difference. First operand 78 states and 134 transitions. Second operand 3 states. [2020-11-29 22:06:02,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:06:02,372 INFO L93 Difference]: Finished difference Result 140 states and 240 transitions. [2020-11-29 22:06:02,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:06:02,373 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 140 states and 240 transitions. [2020-11-29 22:06:02,375 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2020-11-29 22:06:02,379 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 140 states to 140 states and 240 transitions. [2020-11-29 22:06:02,379 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 80 [2020-11-29 22:06:02,379 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 80 [2020-11-29 22:06:02,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 140 states and 240 transitions. [2020-11-29 22:06:02,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 22:06:02,380 INFO L691 BuchiCegarLoop]: Abstraction has 140 states and 240 transitions. [2020-11-29 22:06:02,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states and 240 transitions. [2020-11-29 22:06:02,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 77. [2020-11-29 22:06:02,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-11-29 22:06:02,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 130 transitions. [2020-11-29 22:06:02,387 INFO L714 BuchiCegarLoop]: Abstraction has 77 states and 130 transitions. [2020-11-29 22:06:02,387 INFO L594 BuchiCegarLoop]: Abstraction has 77 states and 130 transitions. [2020-11-29 22:06:02,387 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 22:06:02,388 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states and 130 transitions. [2020-11-29 22:06:02,392 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2020-11-29 22:06:02,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:06:02,393 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:06:02,394 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:06:02,394 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-29 22:06:02,394 INFO L794 eck$LassoCheckResult]: Stem: 1072#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(44);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(44);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(9);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(9);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(11);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(16);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(10);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(16);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(21);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string84.base, #t~string84.offset, 1);call write~init~int(115, #t~string84.base, 1 + #t~string84.offset, 1);call write~init~int(10, #t~string84.base, 2 + #t~string84.offset, 1);call write~init~int(0, #t~string84.base, 3 + #t~string84.offset, 1);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(10);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(12);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(10);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(18);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 1051#L-1 havoc main_#res;havoc main_#t~nondet20, main_#t~ret21, main_~retValue_acc~0, main_~tmp~1;main_~retValue_acc~0 := main_#t~nondet20;havoc main_#t~nondet20;havoc main_~tmp~1; 1017#L2530 havoc valid_product_#res;havoc valid_product_~retValue_acc~41;havoc valid_product_~retValue_acc~41;valid_product_~retValue_acc~41 := 1;valid_product_#res := valid_product_~retValue_acc~41; 1018#L2538 main_#t~ret21 := valid_product_#res;main_~tmp~1 := main_#t~ret21;havoc main_#t~ret21; 1060#L173 assume 0 != main_~tmp~1;havoc setup_#t~nondet15, setup_#t~nondet17, setup_#t~nondet19, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.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_tmp3~0.base, setup_~__cil_tmp3~0.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;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 1061#L2255 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 1048#L2261-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string14.base, #t~string14.offset;havoc setup_#t~nondet15;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 1066#L2255-2 assume !(1 == setClientId_~handle); 1062#L2258-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 1063#L2261-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string16.base, #t~string16.offset;havoc setup_#t~nondet17;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 1067#L2255-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 997#L2261-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string18.base, #t~string18.offset;havoc setup_#t~nondet19; 1055#L160 havoc test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, 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~2, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 1056#L368-1 assume !false; 1068#L244 [2020-11-29 22:06:02,394 INFO L796 eck$LassoCheckResult]: Loop: 1068#L244 assume test_~splverifierCounter~0 < 4; 1069#L245 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 1064#L251 assume !(0 == test_~op1~0); 999#L261 assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet23;havoc test_#t~nondet23; 1000#L266 assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 1006#L368-1 assume !false; 1068#L244 [2020-11-29 22:06:02,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:06:02,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1897365039, now seen corresponding path program 1 times [2020-11-29 22:06:02,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:06:02,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182086425] [2020-11-29 22:06:02,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:06:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:06:02,551 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 22:06:02,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182086425] [2020-11-29 22:06:02,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:06:02,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:06:02,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035707346] [2020-11-29 22:06:02,553 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 22:06:02,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:06:02,553 INFO L82 PathProgramCache]: Analyzing trace with hash -977460337, now seen corresponding path program 1 times [2020-11-29 22:06:02,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:06:02,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859130610] [2020-11-29 22:06:02,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:06:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:06:02,568 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:06:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:06:02,574 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:06:02,583 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:06:02,613 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 22:06:02,613 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 22:06:02,613 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 22:06:02,613 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 22:06:02,613 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 22:06:02,613 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:06:02,613 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 22:06:02,613 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 22:06:02,613 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product05.cil.c_Iteration2_Loop [2020-11-29 22:06:02,613 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 22:06:02,614 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 22:06:02,615 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 22:06:02,621 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 22:06:02,625 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 22:06:02,631 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 22:06:02,701 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 22:06:02,701 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2046713-20ae-4794-964b-4d361063b27c/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 22:06:02,712 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 22:06:02,712 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_c2046713-20ae-4794-964b-4d361063b27c/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:06:02,739 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 22:06:02,740 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-29 22:06:02,744 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-29 22:06:02,779 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 22:06:02,779 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 22:06:02,779 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 22:06:02,779 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 22:06:02,779 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 22:06:02,779 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:06:02,779 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 22:06:02,779 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 22:06:02,779 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product05.cil.c_Iteration2_Loop [2020-11-29 22:06:02,779 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 22:06:02,780 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 22:06:02,781 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 22:06:02,795 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 22:06:02,799 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 22:06:02,827 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 22:06:02,908 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 22:06:02,908 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2046713-20ae-4794-964b-4d361063b27c/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 22:06:02,915 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 22:06:02,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:06:02,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:06:02,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:06:02,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:06:02,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:06:02,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:06:02,919 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 22:06:02,926 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 22:06:02,930 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-29 22:06:02,930 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_c2046713-20ae-4794-964b-4d361063b27c/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 22:06:02,937 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 22:06:02,937 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-29 22:06:02,937 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 22:06:02,937 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 22:06:02,974 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-29 22:06:02,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:06:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:06:03,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 22:06:03,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:06:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:06:03,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 22:06:03,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:06:03,175 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 22:06:03,176 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 22:06:03,176 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 77 states and 130 transitions. cyclomatic complexity: 55 Second operand 5 states. [2020-11-29 22:06:03,241 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 77 states and 130 transitions. cyclomatic complexity: 55. Second operand 5 states. Result 258 states and 447 transitions. Complement of second has 6 states. [2020-11-29 22:06:03,244 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 22:06:03,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-29 22:06:03,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 128 transitions. [2020-11-29 22:06:03,245 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 128 transitions. Stem has 14 letters. Loop has 6 letters. [2020-11-29 22:06:03,245 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 22:06:03,245 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 128 transitions. Stem has 20 letters. Loop has 6 letters. [2020-11-29 22:06:03,246 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 22:06:03,246 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 128 transitions. Stem has 14 letters. Loop has 12 letters. [2020-11-29 22:06:03,246 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 22:06:03,246 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 258 states and 447 transitions. [2020-11-29 22:06:03,249 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2020-11-29 22:06:03,256 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 258 states to 258 states and 447 transitions. [2020-11-29 22:06:03,256 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 78 [2020-11-29 22:06:03,256 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 80 [2020-11-29 22:06:03,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 258 states and 447 transitions. [2020-11-29 22:06:03,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 22:06:03,258 INFO L691 BuchiCegarLoop]: Abstraction has 258 states and 447 transitions. [2020-11-29 22:06:03,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states and 447 transitions. [2020-11-29 22:06:03,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 141. [2020-11-29 22:06:03,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-11-29 22:06:03,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 242 transitions. [2020-11-29 22:06:03,320 INFO L714 BuchiCegarLoop]: Abstraction has 141 states and 242 transitions. [2020-11-29 22:06:03,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:06:03,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:06:03,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:06:03,322 INFO L87 Difference]: Start difference. First operand 141 states and 242 transitions. Second operand 3 states. [2020-11-29 22:06:03,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:06:03,362 INFO L93 Difference]: Finished difference Result 142 states and 242 transitions. [2020-11-29 22:06:03,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:06:03,364 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 242 transitions. [2020-11-29 22:06:03,365 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2020-11-29 22:06:03,367 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 142 states and 242 transitions. [2020-11-29 22:06:03,367 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 50 [2020-11-29 22:06:03,369 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 50 [2020-11-29 22:06:03,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 142 states and 242 transitions. [2020-11-29 22:06:03,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 22:06:03,369 INFO L691 BuchiCegarLoop]: Abstraction has 142 states and 242 transitions. [2020-11-29 22:06:03,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states and 242 transitions. [2020-11-29 22:06:03,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 141. [2020-11-29 22:06:03,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-11-29 22:06:03,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 241 transitions. [2020-11-29 22:06:03,385 INFO L714 BuchiCegarLoop]: Abstraction has 141 states and 241 transitions. [2020-11-29 22:06:03,385 INFO L594 BuchiCegarLoop]: Abstraction has 141 states and 241 transitions. [2020-11-29 22:06:03,385 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-29 22:06:03,386 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states and 241 transitions. [2020-11-29 22:06:03,387 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2020-11-29 22:06:03,387 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:06:03,387 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:06:03,388 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:06:03,388 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:06:03,389 INFO L794 eck$LassoCheckResult]: Stem: 1777#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(44);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(44);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(9);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(9);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(11);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(16);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(10);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(16);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(21);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string84.base, #t~string84.offset, 1);call write~init~int(115, #t~string84.base, 1 + #t~string84.offset, 1);call write~init~int(10, #t~string84.base, 2 + #t~string84.offset, 1);call write~init~int(0, #t~string84.base, 3 + #t~string84.offset, 1);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(10);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(12);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(10);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(18);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 1753#L-1 havoc main_#res;havoc main_#t~nondet20, main_#t~ret21, main_~retValue_acc~0, main_~tmp~1;main_~retValue_acc~0 := main_#t~nondet20;havoc main_#t~nondet20;havoc main_~tmp~1; 1719#L2530 havoc valid_product_#res;havoc valid_product_~retValue_acc~41;havoc valid_product_~retValue_acc~41;valid_product_~retValue_acc~41 := 1;valid_product_#res := valid_product_~retValue_acc~41; 1720#L2538 main_#t~ret21 := valid_product_#res;main_~tmp~1 := main_#t~ret21;havoc main_#t~ret21; 1764#L173 assume 0 != main_~tmp~1;havoc setup_#t~nondet15, setup_#t~nondet17, setup_#t~nondet19, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.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_tmp3~0.base, setup_~__cil_tmp3~0.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;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 1765#L2255 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 1750#L2261-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string14.base, #t~string14.offset;havoc setup_#t~nondet15;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 1770#L2255-2 assume !(1 == setClientId_~handle); 1766#L2258-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 1767#L2261-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string16.base, #t~string16.offset;havoc setup_#t~nondet17;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 1771#L2255-4 assume !(1 == setClientId_~handle); 1698#L2258-4 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 1699#L2261-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string18.base, #t~string18.offset;havoc setup_#t~nondet19; 1759#L160 havoc test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, 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~2, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 1760#L368-1 assume !false; 1794#L244 assume test_~splverifierCounter~0 < 4; 1775#L245 [2020-11-29 22:06:03,390 INFO L796 eck$LassoCheckResult]: Loop: 1775#L245 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 1768#L251 assume !(0 == test_~op1~0); 1701#L261 assume !(0 == test_~op2~0); 1703#L272 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet24;havoc test_#t~nondet24; 1711#L277 assume 0 != test_~tmp___7~0;test_~op3~0 := 1; 1708#L368-1 assume !false; 1778#L244 assume test_~splverifierCounter~0 < 4; 1775#L245 [2020-11-29 22:06:03,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:06:03,391 INFO L82 PathProgramCache]: Analyzing trace with hash 2040332161, now seen corresponding path program 1 times [2020-11-29 22:06:03,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:06:03,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361433477] [2020-11-29 22:06:03,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:06:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:06:03,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:06:03,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361433477] [2020-11-29 22:06:03,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:06:03,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:06:03,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423480510] [2020-11-29 22:06:03,490 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 22:06:03,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:06:03,491 INFO L82 PathProgramCache]: Analyzing trace with hash -655079928, now seen corresponding path program 1 times [2020-11-29 22:06:03,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:06:03,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645965818] [2020-11-29 22:06:03,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:06:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:06:03,499 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:06:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:06:03,504 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:06:03,513 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:06:03,552 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 22:06:03,552 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 22:06:03,552 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 22:06:03,552 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 22:06:03,552 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 22:06:03,552 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:06:03,553 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 22:06:03,553 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 22:06:03,553 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product05.cil.c_Iteration3_Loop [2020-11-29 22:06:03,553 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 22:06:03,553 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 22:06:03,554 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 22:06:03,565 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 22:06:03,571 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 22:06:03,578 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 22:06:03,582 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 22:06:03,668 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 22:06:03,669 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2046713-20ae-4794-964b-4d361063b27c/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 22:06:03,678 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 22:06:03,679 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 22:06:03,683 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 22:06:03,683 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_c2046713-20ae-4794-964b-4d361063b27c/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 22:06:03,726 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 22:06:03,726 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 22:06:03,731 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 22:06:03,732 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet24=-1, ULTIMATE.start_test_~tmp___7~0=-1} Honda state: {ULTIMATE.start_test_#t~nondet24=-1, ULTIMATE.start_test_~tmp___7~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2046713-20ae-4794-964b-4d361063b27c/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:06:03,754 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 22:06:03,754 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2046713-20ae-4794-964b-4d361063b27c/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:06:03,810 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 22:06:03,810 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-29 22:06:03,908 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-29 22:06:03,910 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 22:06:03,910 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 22:06:03,910 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 22:06:03,910 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 22:06:03,911 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 22:06:03,911 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:06:03,911 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 22:06:03,911 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 22:06:03,911 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product05.cil.c_Iteration3_Loop [2020-11-29 22:06:03,911 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 22:06:03,911 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 22:06:03,912 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 22:06:03,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:06:03,929 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 22:06:03,933 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 22:06:03,943 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 22:06:04,041 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 22:06:04,041 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2046713-20ae-4794-964b-4d361063b27c/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:06:04,044 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 22:06:04,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:06:04,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:06:04,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:06:04,046 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 22:06:04,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:06:04,047 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 22:06:04,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:06:04,049 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2046713-20ae-4794-964b-4d361063b27c/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:06:04,075 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 22:06:04,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:06:04,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:06:04,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:06:04,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:06:04,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:06:04,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:06:04,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:06:04,080 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 22:06:04,083 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-29 22:06:04,083 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_c2046713-20ae-4794-964b-4d361063b27c/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:06:04,086 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 22:06:04,086 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-29 22:06:04,086 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 22:06:04,086 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 5 Supporting invariants [] [2020-11-29 22:06:04,106 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-29 22:06:04,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:06:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:06:04,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 22:06:04,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:06:04,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:06:04,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 22:06:04,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:06:04,384 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 22:06:04,385 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 22:06:04,385 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 141 states and 241 transitions. cyclomatic complexity: 104 Second operand 3 states. [2020-11-29 22:06:04,414 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 141 states and 241 transitions. cyclomatic complexity: 104. Second operand 3 states. Result 291 states and 508 transitions. Complement of second has 4 states. [2020-11-29 22:06:04,415 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 22:06:04,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 22:06:04,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 76 transitions. [2020-11-29 22:06:04,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 76 transitions. Stem has 16 letters. Loop has 7 letters. [2020-11-29 22:06:04,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 22:06:04,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 76 transitions. Stem has 23 letters. Loop has 7 letters. [2020-11-29 22:06:04,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 22:06:04,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 76 transitions. Stem has 16 letters. Loop has 14 letters. [2020-11-29 22:06:04,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 22:06:04,417 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 291 states and 508 transitions. [2020-11-29 22:06:04,420 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 22:06:04,420 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 291 states to 0 states and 0 transitions. [2020-11-29 22:06:04,420 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 22:06:04,420 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 22:06:04,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 22:06:04,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 22:06:04,420 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:06:04,420 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:06:04,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:06:04,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:06:04,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:06:04,421 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-11-29 22:06:04,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:06:04,421 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-11-29 22:06:04,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 22:06:04,425 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-11-29 22:06:04,425 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 22:06:04,425 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 22:06:04,425 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 22:06:04,425 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 22:06:04,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 22:06:04,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 22:06:04,426 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:06:04,426 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:06:04,426 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:06:04,426 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-29 22:06:04,426 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 22:06:04,426 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 22:06:04,426 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 22:06:04,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 10:06:04 BoogieIcfgContainer [2020-11-29 22:06:04,432 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 22:06:04,432 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:06:04,432 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:06:04,433 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:06:04,433 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:06:00" (3/4) ... [2020-11-29 22:06:04,436 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 22:06:04,436 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:06:04,438 INFO L168 Benchmark]: Toolchain (without parser) took 6058.94 ms. Allocated memory was 77.6 MB in the beginning and 159.4 MB in the end (delta: 81.8 MB). Free memory was 44.8 MB in the beginning and 91.5 MB in the end (delta: -46.6 MB). Peak memory consumption was 34.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:06:04,440 INFO L168 Benchmark]: CDTParser took 0.77 ms. Allocated memory is still 77.6 MB. Free memory was 49.0 MB in the beginning and 49.0 MB in the end (delta: 29.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:06:04,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 826.78 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 44.6 MB in the beginning and 46.0 MB in the end (delta: -1.3 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2020-11-29 22:06:04,446 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.64 ms. Allocated memory is still 98.6 MB. Free memory was 46.0 MB in the beginning and 41.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:06:04,447 INFO L168 Benchmark]: Boogie Preprocessor took 52.98 ms. Allocated memory is still 98.6 MB. Free memory was 41.2 MB in the beginning and 38.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:06:04,447 INFO L168 Benchmark]: RCFGBuilder took 1263.53 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 38.2 MB in the beginning and 87.6 MB in the end (delta: -49.4 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2020-11-29 22:06:04,450 INFO L168 Benchmark]: BuchiAutomizer took 3802.69 ms. Allocated memory was 123.7 MB in the beginning and 159.4 MB in the end (delta: 35.7 MB). Free memory was 87.6 MB in the beginning and 92.5 MB in the end (delta: -5.0 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. [2020-11-29 22:06:04,451 INFO L168 Benchmark]: Witness Printer took 3.54 ms. Allocated memory is still 159.4 MB. Free memory was 92.5 MB in the beginning and 91.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:06:04,457 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77 ms. Allocated memory is still 77.6 MB. Free memory was 49.0 MB in the beginning and 49.0 MB in the end (delta: 29.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 826.78 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 44.6 MB in the beginning and 46.0 MB in the end (delta: -1.3 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.64 ms. Allocated memory is still 98.6 MB. Free memory was 46.0 MB in the beginning and 41.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.98 ms. Allocated memory is still 98.6 MB. Free memory was 41.2 MB in the beginning and 38.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1263.53 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 38.2 MB in the beginning and 87.6 MB in the end (delta: -49.4 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3802.69 ms. Allocated memory was 123.7 MB in the beginning and 159.4 MB in the end (delta: 35.7 MB). Free memory was 87.6 MB in the beginning and 92.5 MB in the end (delta: -5.0 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. * Witness Printer took 3.54 ms. Allocated memory is still 159.4 MB. Free memory was 92.5 MB in the beginning and 91.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.1s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 238 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 141 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 777 SDtfs, 759 SDslu, 792 SDs, 0 SdLazy, 48 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT3 lasso0 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax100 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 7ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...