./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec6_product35.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_21ebf7c6-3a1e-41f2-b2ce-c147f8951b3c/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_21ebf7c6-3a1e-41f2-b2ce-c147f8951b3c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_21ebf7c6-3a1e-41f2-b2ce-c147f8951b3c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_21ebf7c6-3a1e-41f2-b2ce-c147f8951b3c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec6_product35.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_21ebf7c6-3a1e-41f2-b2ce-c147f8951b3c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_21ebf7c6-3a1e-41f2-b2ce-c147f8951b3c/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 f4f6677e028a4b3d0ba217e1b96d5a20caab6ba0 ....................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:07:21,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:07:21,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:07:21,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:07:21,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:07:21,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:07:21,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:07:21,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:07:21,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:07:21,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:07:21,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:07:21,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:07:21,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:07:21,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:07:21,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:07:21,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:07:21,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:07:21,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:07:21,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:07:21,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:07:21,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:07:21,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:07:21,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:07:21,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:07:21,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:07:21,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:07:21,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:07:21,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:07:21,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:07:21,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:07:21,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:07:21,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:07:21,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:07:21,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:07:21,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:07:21,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:07:21,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:07:21,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:07:21,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:07:21,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:07:21,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:07:21,449 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_21ebf7c6-3a1e-41f2-b2ce-c147f8951b3c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 03:07:21,501 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:07:21,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:07:21,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:07:21,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:07:21,504 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:07:21,504 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:07:21,504 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:07:21,504 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:07:21,504 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:07:21,505 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:07:21,506 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:07:21,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:07:21,506 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:07:21,507 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:07:21,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:07:21,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:07:21,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:07:21,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:07:21,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:07:21,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:07:21,509 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:07:21,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:07:21,509 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:07:21,509 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:07:21,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:07:21,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:07:21,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:07:21,510 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:07:21,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:07:21,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:07:21,512 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:07:21,513 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:07:21,515 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:07:21,515 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_21ebf7c6-3a1e-41f2-b2ce-c147f8951b3c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_21ebf7c6-3a1e-41f2-b2ce-c147f8951b3c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4f6677e028a4b3d0ba217e1b96d5a20caab6ba0 [2020-11-28 03:07:21,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:07:21,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:07:21,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:07:21,827 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:07:21,827 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:07:21,828 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_21ebf7c6-3a1e-41f2-b2ce-c147f8951b3c/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec6_product35.cil.c [2020-11-28 03:07:21,922 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_21ebf7c6-3a1e-41f2-b2ce-c147f8951b3c/bin/uautomizer/data/cde39e3db/94ec548b9a5e4c938fb99485394f351e/FLAGbaea923c6 [2020-11-28 03:07:22,607 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:07:22,607 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_21ebf7c6-3a1e-41f2-b2ce-c147f8951b3c/sv-benchmarks/c/product-lines/email_spec6_product35.cil.c [2020-11-28 03:07:22,637 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_21ebf7c6-3a1e-41f2-b2ce-c147f8951b3c/bin/uautomizer/data/cde39e3db/94ec548b9a5e4c938fb99485394f351e/FLAGbaea923c6 [2020-11-28 03:07:22,771 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_21ebf7c6-3a1e-41f2-b2ce-c147f8951b3c/bin/uautomizer/data/cde39e3db/94ec548b9a5e4c938fb99485394f351e [2020-11-28 03:07:22,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:07:22,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:07:22,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:07:22,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:07:22,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:07:22,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:07:22" (1/1) ... [2020-11-28 03:07:22,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@606884dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:22, skipping insertion in model container [2020-11-28 03:07:22,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:07:22" (1/1) ... [2020-11-28 03:07:22,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:07:22,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:07:23,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:07:23,504 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:07:23,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:07:23,782 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:07:23,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:23 WrapperNode [2020-11-28 03:07:23,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:07:23,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:07:23,788 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:07:23,788 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:07:23,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:23" (1/1) ... [2020-11-28 03:07:23,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:23" (1/1) ... [2020-11-28 03:07:24,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:07:24,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:07:24,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:07:24,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:07:24,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:23" (1/1) ... [2020-11-28 03:07:24,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:23" (1/1) ... [2020-11-28 03:07:24,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:23" (1/1) ... [2020-11-28 03:07:24,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:23" (1/1) ... [2020-11-28 03:07:24,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:23" (1/1) ... [2020-11-28 03:07:24,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:23" (1/1) ... [2020-11-28 03:07:24,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:23" (1/1) ... [2020-11-28 03:07:24,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:07:24,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:07:24,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:07:24,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:07:24,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_21ebf7c6-3a1e-41f2-b2ce-c147f8951b3c/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-11-28 03:07:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:07:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:07:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:07:24,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:07:29,096 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:07:29,096 INFO L298 CfgBuilder]: Removed 973 assume(true) statements. [2020-11-28 03:07:29,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:07:29 BoogieIcfgContainer [2020-11-28 03:07:29,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:07:29,101 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:07:29,101 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:07:29,104 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:07:29,105 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:07:29,105 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:07:22" (1/3) ... [2020-11-28 03:07:29,106 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@25fae30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:07:29, skipping insertion in model container [2020-11-28 03:07:29,107 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:07:29,107 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:23" (2/3) ... [2020-11-28 03:07:29,107 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@25fae30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:07:29, skipping insertion in model container [2020-11-28 03:07:29,107 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:07:29,107 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:07:29" (3/3) ... [2020-11-28 03:07:29,109 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec6_product35.cil.c [2020-11-28 03:07:29,153 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:07:29,154 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:07:29,154 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:07:29,154 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:07:29,154 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:07:29,154 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:07:29,154 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:07:29,154 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:07:29,188 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1384 states. [2020-11-28 03:07:29,278 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2020-11-28 03:07:29,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:07:29,279 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:07:29,289 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:07:29,289 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:07:29,289 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:07:29,290 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1384 states. [2020-11-28 03:07:29,311 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2020-11-28 03:07:29,311 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:07:29,311 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:07:29,314 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:07:29,314 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:07:29,320 INFO L794 eck$LassoCheckResult]: Stem: 483#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(10);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(34);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(16);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(20);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(22);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(44);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(44);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(11);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(19);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string63.base, #t~string63.offset, 1);call write~init~int(100, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(10, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string66.base, #t~string66.offset, 1);call write~init~int(100, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(10, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(13);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(19);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(16);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(19);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(10);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(12);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(10);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(18);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(16);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(21);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(13);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(16);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(25);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(30);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(9);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(21);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(30);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(9);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(21);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(30);call #t~string155.base, #t~string155.offset := #Ultimate.allocOnStack(9);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(25);call #t~string157.base, #t~string157.offset := #Ultimate.allocOnStack(30);call #t~string158.base, #t~string158.offset := #Ultimate.allocOnStack(9);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(25);call #t~string162.base, #t~string162.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string162.base, #t~string162.offset, 1);call write~init~int(115, #t~string162.base, 1 + #t~string162.offset, 1);call write~init~int(10, #t~string162.base, 2 + #t~string162.offset, 1);call write~init~int(0, #t~string162.base, 3 + #t~string162.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~sent_encrypted~0 := -1;~__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;~head~0.base, ~head~0.offset := 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; 369#L-1true havoc main_#res;havoc main_#t~ret58, main_~retValue_acc~5, main_~tmp~13;havoc main_~retValue_acc~5;havoc main_~tmp~13; 692#L3124true havoc valid_product_#res;havoc valid_product_~retValue_acc~43;havoc valid_product_~retValue_acc~43;valid_product_~retValue_acc~43 := 1;valid_product_#res := valid_product_~retValue_acc~43; 101#L3132true main_#t~ret58 := valid_product_#res;main_~tmp~13 := main_#t~ret58;havoc main_#t~ret58; 1373#L690true assume 0 != main_~tmp~13;havoc setup_#t~nondet53, setup_#t~nondet55, setup_#t~nondet57, 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;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 819#L2305true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 382#L2311-2true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 408#L1870true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 22#L1876-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string52.base, #t~string52.offset;havoc setup_#t~nondet53;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 820#L2305-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 352#L2311-5true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 414#L1870-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 30#L1876-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string54.base, #t~string54.offset;havoc setup_#t~nondet55;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 808#L2305-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 366#L2311-8true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 416#L1870-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 14#L1876-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string56.base, #t~string56.offset;havoc setup_#t~nondet57; 869#L677true havoc test_#t~nondet85, test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_#t~nondet90, test_#t~nondet91, test_#t~nondet92, test_#t~nondet93, test_#t~nondet94, test_#t~nondet95, 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~16, test_~tmp___0~7, test_~tmp___1~5, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~16;havoc test_~tmp___0~7;havoc test_~tmp___1~5;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 1289#L1085-1true [2020-11-28 03:07:29,321 INFO L796 eck$LassoCheckResult]: Loop: 1289#L1085-1true assume !false; 1083#L934true assume test_~splverifierCounter~0 < 4; 1177#L935true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 873#L941true assume !(0 == test_~op1~0); 1221#L954true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet86;havoc test_#t~nondet86; 930#L959true assume 0 != test_~tmp___8~0;setClientAutoResponse_#in~handle, setClientAutoResponse_#in~value := ~rjh~0, 1;havoc setClientAutoResponse_~handle, setClientAutoResponse_~value;setClientAutoResponse_~handle := setClientAutoResponse_#in~handle;setClientAutoResponse_~value := setClientAutoResponse_#in~value; 628#L1823true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 129#L1829-2true test_~op2~0 := 1; 1289#L1085-1true [2020-11-28 03:07:29,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:29,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2020-11-28 03:07:29,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:29,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186259983] [2020-11-28 03:07:29,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:29,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:07:29,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186259983] [2020-11-28 03:07:29,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:07:29,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:07:29,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982872472] [2020-11-28 03:07:29,824 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:07:29,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:29,827 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2020-11-28 03:07:29,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:29,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411155033] [2020-11-28 03:07:29,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:07:29,848 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:07:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:07:29,868 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:07:29,913 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:07:29,997 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:07:30,003 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:07:30,006 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:07:30,007 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:07:30,007 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:07:30,007 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:30,007 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:07:30,007 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:07:30,008 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product35.cil.c_Iteration1_Loop [2020-11-28 03:07:30,008 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:07:30,008 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:07:30,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:30,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:30,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:30,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:30,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:30,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:30,263 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:07:30,263 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_21ebf7c6-3a1e-41f2-b2ce-c147f8951b3c/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:07:30,284 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:07:30,284 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_21ebf7c6-3a1e-41f2-b2ce-c147f8951b3c/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:07:30,332 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:07:30,332 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:30,374 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:07:30,376 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:07:30,376 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:07:30,377 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:07:30,377 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:07:30,377 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:07:30,377 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:30,377 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:07:30,377 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:07:30,377 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product35.cil.c_Iteration1_Loop [2020-11-28 03:07:30,377 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:07:30,378 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:07:30,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:30,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:30,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:30,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:30,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:30,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:07:30,562 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:07:30,566 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_21ebf7c6-3a1e-41f2-b2ce-c147f8951b3c/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:07:30,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:07:30,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:07:30,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:07:30,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:07:30,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:07:30,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:07:30,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:07:30,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:07:30,593 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:07:30,616 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:07:30,616 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_21ebf7c6-3a1e-41f2-b2ce-c147f8951b3c/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 [2020-11-28 03:07:30,622 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:07:30,622 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:07:30,623 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:07:30,623 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2020-11-28 03:07:30,660 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:07:30,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:30,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:07:30,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:07:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:07:31,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:07:31,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:07:31,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:07:31,145 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-11-28 03:07:31,147 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1384 states. Second operand 5 states. [2020-11-28 03:07:31,527 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1384 states.. Second operand 5 states. Result 3827 states and 6512 transitions. Complement of second has 7 states. [2020-11-28 03:07:31,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:07:31,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-28 03:07:31,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4204 transitions. [2020-11-28 03:07:31,539 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4204 transitions. Stem has 18 letters. Loop has 8 letters. [2020-11-28 03:07:31,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:07:31,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4204 transitions. Stem has 26 letters. Loop has 8 letters. [2020-11-28 03:07:31,542 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:07:31,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4204 transitions. Stem has 18 letters. Loop has 16 letters. [2020-11-28 03:07:31,544 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:07:31,545 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3827 states and 6512 transitions. [2020-11-28 03:07:31,593 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:07:31,596 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3827 states to 0 states and 0 transitions. [2020-11-28 03:07:31,597 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:07:31,597 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:07:31,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:07:31,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:07:31,598 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:07:31,598 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:07:31,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:07:31,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:07:31,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:07:31,604 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-11-28 03:07:31,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:07:31,607 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-11-28 03:07:31,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:07:31,608 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-11-28 03:07:31,608 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:07:31,608 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:07:31,608 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:07:31,608 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:07:31,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:07:31,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:07:31,608 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:07:31,609 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:07:31,609 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:07:31,609 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:07:31,609 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:07:31,609 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:07:31,609 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:07:31,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:07:31 BoogieIcfgContainer [2020-11-28 03:07:31,614 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:07:31,615 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:07:31,615 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:07:31,615 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:07:31,616 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:07:29" (3/4) ... [2020-11-28 03:07:31,618 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:07:31,619 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:07:31,621 INFO L168 Benchmark]: Toolchain (without parser) took 8844.65 ms. Allocated memory was 90.2 MB in the beginning and 266.3 MB in the end (delta: 176.2 MB). Free memory was 56.5 MB in the beginning and 131.4 MB in the end (delta: -74.9 MB). Peak memory consumption was 101.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:31,622 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 90.2 MB. Free memory was 47.1 MB in the beginning and 47.0 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:07:31,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1009.78 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 56.4 MB in the beginning and 79.1 MB in the end (delta: -22.7 MB). Peak memory consumption was 39.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:31,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 262.15 ms. Allocated memory is still 109.1 MB. Free memory was 79.1 MB in the beginning and 55.3 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:31,625 INFO L168 Benchmark]: Boogie Preprocessor took 261.19 ms. Allocated memory is still 109.1 MB. Free memory was 55.3 MB in the beginning and 64.9 MB in the end (delta: -9.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:31,627 INFO L168 Benchmark]: RCFGBuilder took 4787.25 ms. Allocated memory was 109.1 MB in the beginning and 266.3 MB in the end (delta: 157.3 MB). Free memory was 64.9 MB in the beginning and 121.4 MB in the end (delta: -56.5 MB). Peak memory consumption was 110.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:31,628 INFO L168 Benchmark]: BuchiAutomizer took 2513.71 ms. Allocated memory is still 266.3 MB. Free memory was 121.4 MB in the beginning and 132.5 MB in the end (delta: -11.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:07:31,633 INFO L168 Benchmark]: Witness Printer took 3.85 ms. Allocated memory is still 266.3 MB. Free memory was 132.5 MB in the beginning and 131.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:07:31,639 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 90.2 MB. Free memory was 47.1 MB in the beginning and 47.0 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1009.78 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 56.4 MB in the beginning and 79.1 MB in the end (delta: -22.7 MB). Peak memory consumption was 39.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 262.15 ms. Allocated memory is still 109.1 MB. Free memory was 79.1 MB in the beginning and 55.3 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 261.19 ms. Allocated memory is still 109.1 MB. Free memory was 55.3 MB in the beginning and 64.9 MB in the end (delta: -9.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4787.25 ms. Allocated memory was 109.1 MB in the beginning and 266.3 MB in the end (delta: 157.3 MB). Free memory was 64.9 MB in the beginning and 121.4 MB in the end (delta: -56.5 MB). Peak memory consumption was 110.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2513.71 ms. Allocated memory is still 266.3 MB. Free memory was 121.4 MB in the beginning and 132.5 MB in the end (delta: -11.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 3.85 ms. Allocated memory is still 266.3 MB. Free memory was 132.5 MB in the beginning and 131.4 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2353 SDtfs, 2353 SDslu, 4602 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax100 hnf100 lsp24 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq209 hnf86 smp100 dnf120 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 55ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...