./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 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0.2.0-5485861 [2020-10-26 04:56:57,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:56:57,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:56:57,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:56:57,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:56:57,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:56:57,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:56:57,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:56:57,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:56:57,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:56:57,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:56:57,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:56:57,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:56:57,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:56:57,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:56:57,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:56:57,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:56:57,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:56:57,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:56:57,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:56:57,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:56:57,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:56:57,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:56:57,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:56:57,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:56:57,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:56:57,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:56:57,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:56:57,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:56:57,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:56:57,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:56:57,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:56:57,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:56:57,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:56:57,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:56:57,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:56:57,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:56:57,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:56:57,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:56:57,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:56:57,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:56:57,529 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-26 04:56:57,594 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:56:57,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:56:57,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:56:57,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:56:57,598 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:56:57,598 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:56:57,599 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:56:57,599 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:56:57,600 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:56:57,600 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:56:57,601 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:56:57,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:56:57,602 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 04:56:57,602 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:56:57,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:56:57,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 04:56:57,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:56:57,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:56:57,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:56:57,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:56:57,604 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 04:56:57,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:56:57,605 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:56:57,605 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:56:57,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:56:57,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:56:57,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:56:57,606 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:56:57,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:56:57,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:56:57,607 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:56:57,607 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:56:57,610 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:56:57,610 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec4497e08a1792200bf5eff0342ec51442e382a3 [2020-10-26 04:56:58,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:56:58,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:56:58,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:56:58,101 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:56:58,102 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:56:58,103 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2020-10-26 04:56:58,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2440946cf/c0d42bec60ba45f29ae7b4bf3d57d71f/FLAG69bdca669 [2020-10-26 04:56:59,160 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:56:59,161 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2020-10-26 04:56:59,203 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2440946cf/c0d42bec60ba45f29ae7b4bf3d57d71f/FLAG69bdca669 [2020-10-26 04:56:59,291 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2440946cf/c0d42bec60ba45f29ae7b4bf3d57d71f [2020-10-26 04:56:59,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:56:59,301 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:56:59,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:56:59,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:56:59,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:56:59,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:56:59" (1/1) ... [2020-10-26 04:56:59,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a476cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:56:59, skipping insertion in model container [2020-10-26 04:56:59,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:56:59" (1/1) ... [2020-10-26 04:56:59,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:56:59,467 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:56:59,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:57:00,021 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:57:00,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:57:00,299 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:57:00,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:00 WrapperNode [2020-10-26 04:57:00,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:57:00,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:57:00,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:57:00,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:57:00,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:00" (1/1) ... [2020-10-26 04:57:00,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:00" (1/1) ... [2020-10-26 04:57:00,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:57:00,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:57:00,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:57:00,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:57:00,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:00" (1/1) ... [2020-10-26 04:57:00,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:00" (1/1) ... [2020-10-26 04:57:00,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:00" (1/1) ... [2020-10-26 04:57:00,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:00" (1/1) ... [2020-10-26 04:57:00,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:00" (1/1) ... [2020-10-26 04:57:00,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:00" (1/1) ... [2020-10-26 04:57:00,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:00" (1/1) ... [2020-10-26 04:57:00,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:57:00,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:57:00,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:57:00,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:57:00,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-26 04:57:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-26 04:57:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 04:57:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 04:57:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:57:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:57:01,968 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:57:01,969 INFO L298 CfgBuilder]: Removed 131 assume(true) statements. [2020-10-26 04:57:01,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:57:01 BoogieIcfgContainer [2020-10-26 04:57:01,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:57:01,973 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:57:01,973 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:57:01,977 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:57:01,978 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:57:01,979 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:56:59" (1/3) ... [2020-10-26 04:57:01,980 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@696b526c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:57:01, skipping insertion in model container [2020-10-26 04:57:01,981 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:57:01,981 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:00" (2/3) ... [2020-10-26 04:57:01,981 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@696b526c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:57:01, skipping insertion in model container [2020-10-26 04:57:01,981 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:57:01,982 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:57:01" (3/3) ... [2020-10-26 04:57:01,983 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec0_product05.cil.c [2020-10-26 04:57:02,035 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:57:02,036 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:57:02,036 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:57:02,036 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:57:02,036 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:57:02,036 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:57:02,037 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:57:02,037 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:57:02,057 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states. [2020-10-26 04:57:02,093 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2020-10-26 04:57:02,093 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:57:02,094 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:57:02,104 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:57:02,105 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-26 04:57:02,105 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:57:02,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states. [2020-10-26 04:57:02,114 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2020-10-26 04:57:02,114 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:57:02,115 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:57:02,116 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:57:02,119 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-26 04:57:02,125 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 [2020-10-26 04:57:02,126 INFO L796 eck$LassoCheckResult]: Loop: 135#L368-1true assume !false; 123#L244true assume test_~splverifierCounter~0 < 4; 84#L245true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 62#L251true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet22;havoc test_#t~nondet22; 12#L255true assume 0 != test_~tmp___9~0;test_~op1~0 := 1; 135#L368-1true [2020-10-26 04:57:02,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:57:02,134 INFO L82 PathProgramCache]: Analyzing trace with hash -580026000, now seen corresponding path program 1 times [2020-10-26 04:57:02,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:57:02,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849591002] [2020-10-26 04:57:02,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:57:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:57:02,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:57:02,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849591002] [2020-10-26 04:57:02,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:57:02,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 04:57:02,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840476721] [2020-10-26 04:57:02,561 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 04:57:02,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:57:02,562 INFO L82 PathProgramCache]: Analyzing trace with hash 103192148, now seen corresponding path program 1 times [2020-10-26 04:57:02,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:57:02,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339992817] [2020-10-26 04:57:02,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:57:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:57:02,575 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:57:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:57:02,582 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:57:02,620 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:57:02,681 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:57:02,682 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:57:02,682 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:57:02,682 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:57:02,683 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:57:02,683 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:02,683 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:57:02,683 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:57:02,684 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product05.cil.c_Iteration1_Loop [2020-10-26 04:57:02,684 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:57:02,688 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:57:02,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:02,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:02,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:02,853 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:57:02,855 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:02,870 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:57:02,870 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:57:02,926 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:57:02,927 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 [2020-10-26 04:57:02,937 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 04:57:02,999 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:57:02,999 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:57:02,999 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:57:02,999 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:57:02,999 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:57:03,000 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:03,000 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:57:03,000 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:57:03,000 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product05.cil.c_Iteration1_Loop [2020-10-26 04:57:03,000 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:57:03,001 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:57:03,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:03,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:03,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:03,113 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:57:03,119 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:57:03,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:03,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:57:03,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:57:03,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:57:03,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:57:03,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:57:03,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:57:03,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:57:03,154 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:57:03,170 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-26 04:57:03,171 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:57:03,179 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:57:03,179 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 04:57:03,180 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:57:03,181 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:03,208 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 04:57:03,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:57:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:57:03,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:57:03,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:57:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:57:03,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:57:03,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:57:03,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:57:03,575 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 [2020-10-26 04:57:03,578 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 134 states. Second operand 4 states. [2020-10-26 04:57:03,808 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. [2020-10-26 04:57:03,819 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 [2020-10-26 04:57:03,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-26 04:57:03,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 535 transitions. [2020-10-26 04:57:03,824 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 535 transitions. Stem has 12 letters. Loop has 5 letters. [2020-10-26 04:57:03,827 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:57:03,828 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 535 transitions. Stem has 17 letters. Loop has 5 letters. [2020-10-26 04:57:03,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:57:03,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 535 transitions. Stem has 12 letters. Loop has 10 letters. [2020-10-26 04:57:03,830 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:57:03,831 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 566 states and 903 transitions. [2020-10-26 04:57:03,860 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2020-10-26 04:57:03,870 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 566 states to 135 states and 235 transitions. [2020-10-26 04:57:03,872 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 76 [2020-10-26 04:57:03,873 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 77 [2020-10-26 04:57:03,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 135 states and 235 transitions. [2020-10-26 04:57:03,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:57:03,875 INFO L691 BuchiCegarLoop]: Abstraction has 135 states and 235 transitions. [2020-10-26 04:57:03,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states and 235 transitions. [2020-10-26 04:57:03,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 78. [2020-10-26 04:57:03,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-26 04:57:03,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 134 transitions. [2020-10-26 04:57:03,913 INFO L714 BuchiCegarLoop]: Abstraction has 78 states and 134 transitions. [2020-10-26 04:57:03,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:57:03,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:57:03,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:57:03,920 INFO L87 Difference]: Start difference. First operand 78 states and 134 transitions. Second operand 3 states. [2020-10-26 04:57:03,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:57:03,961 INFO L93 Difference]: Finished difference Result 140 states and 240 transitions. [2020-10-26 04:57:03,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 04:57:03,963 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 140 states and 240 transitions. [2020-10-26 04:57:03,965 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2020-10-26 04:57:03,968 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 140 states to 140 states and 240 transitions. [2020-10-26 04:57:03,968 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 80 [2020-10-26 04:57:03,969 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 80 [2020-10-26 04:57:03,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 140 states and 240 transitions. [2020-10-26 04:57:03,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:57:03,970 INFO L691 BuchiCegarLoop]: Abstraction has 140 states and 240 transitions. [2020-10-26 04:57:03,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states and 240 transitions. [2020-10-26 04:57:03,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 77. [2020-10-26 04:57:03,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-26 04:57:03,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 130 transitions. [2020-10-26 04:57:03,979 INFO L714 BuchiCegarLoop]: Abstraction has 77 states and 130 transitions. [2020-10-26 04:57:03,979 INFO L594 BuchiCegarLoop]: Abstraction has 77 states and 130 transitions. [2020-10-26 04:57:03,979 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:57:03,979 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states and 130 transitions. [2020-10-26 04:57:03,980 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2020-10-26 04:57:03,980 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:57:03,980 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:57:03,981 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:57:03,982 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-26 04:57:03,982 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 [2020-10-26 04:57:03,983 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 [2020-10-26 04:57:03,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:57:03,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1897365039, now seen corresponding path program 1 times [2020-10-26 04:57:03,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:57:03,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762167059] [2020-10-26 04:57:03,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:57:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:57:04,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:57:04,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762167059] [2020-10-26 04:57:04,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:57:04,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 04:57:04,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084942709] [2020-10-26 04:57:04,082 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 04:57:04,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:57:04,082 INFO L82 PathProgramCache]: Analyzing trace with hash -977460337, now seen corresponding path program 1 times [2020-10-26 04:57:04,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:57:04,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075930675] [2020-10-26 04:57:04,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:57:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:57:04,092 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:57:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:57:04,097 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:57:04,113 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:57:04,147 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:57:04,147 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:57:04,147 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:57:04,148 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:57:04,148 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:57:04,148 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:04,148 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:57:04,148 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:57:04,149 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product05.cil.c_Iteration2_Loop [2020-10-26 04:57:04,149 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:57:04,149 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:57:04,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:04,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:04,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:04,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:04,279 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:57:04,280 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:57:04,284 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:57:04,284 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:57:04,330 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:57:04,330 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:04,336 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 04:57:04,373 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:57:04,373 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:57:04,373 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:57:04,374 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:57:04,374 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:57:04,374 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:04,374 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:57:04,374 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:57:04,374 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product05.cil.c_Iteration2_Loop [2020-10-26 04:57:04,375 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:57:04,375 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:57:04,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:04,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:04,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:04,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:04,506 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:57:04,506 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:57:04,515 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 [2020-10-26 04:57:04,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:57:04,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:57:04,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:57:04,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:57:04,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:57:04,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:57:04,520 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 [2020-10-26 04:57:04,526 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:57:04,530 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-26 04:57:04,531 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:57:04,537 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:57:04,538 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 04:57:04,538 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:57:04,538 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 [2020-10-26 04:57:04,573 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 04:57:04,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:57:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:57:04,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:57:04,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:57:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:57:04,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:57:04,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:57:04,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:57:04,834 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 [2020-10-26 04:57:04,834 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 77 states and 130 transitions. cyclomatic complexity: 55 Second operand 5 states. [2020-10-26 04:57:04,879 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. [2020-10-26 04:57:04,880 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 [2020-10-26 04:57:04,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-26 04:57:04,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 128 transitions. [2020-10-26 04:57:04,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 128 transitions. Stem has 14 letters. Loop has 6 letters. [2020-10-26 04:57:04,881 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:57:04,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 128 transitions. Stem has 20 letters. Loop has 6 letters. [2020-10-26 04:57:04,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:57:04,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 128 transitions. Stem has 14 letters. Loop has 12 letters. [2020-10-26 04:57:04,883 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:57:04,883 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 258 states and 447 transitions. [2020-10-26 04:57:04,886 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2020-10-26 04:57:04,889 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 258 states to 258 states and 447 transitions. [2020-10-26 04:57:04,889 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 78 [2020-10-26 04:57:04,890 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 80 [2020-10-26 04:57:04,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 258 states and 447 transitions. [2020-10-26 04:57:04,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:57:04,891 INFO L691 BuchiCegarLoop]: Abstraction has 258 states and 447 transitions. [2020-10-26 04:57:04,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states and 447 transitions. [2020-10-26 04:57:04,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 141. [2020-10-26 04:57:04,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-10-26 04:57:04,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 242 transitions. [2020-10-26 04:57:04,903 INFO L714 BuchiCegarLoop]: Abstraction has 141 states and 242 transitions. [2020-10-26 04:57:04,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:57:04,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:57:04,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:57:04,904 INFO L87 Difference]: Start difference. First operand 141 states and 242 transitions. Second operand 3 states. [2020-10-26 04:57:04,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:57:04,937 INFO L93 Difference]: Finished difference Result 142 states and 242 transitions. [2020-10-26 04:57:04,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 04:57:04,938 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 242 transitions. [2020-10-26 04:57:04,940 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2020-10-26 04:57:04,941 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 142 states and 242 transitions. [2020-10-26 04:57:04,942 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 50 [2020-10-26 04:57:04,942 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 50 [2020-10-26 04:57:04,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 142 states and 242 transitions. [2020-10-26 04:57:04,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:57:04,943 INFO L691 BuchiCegarLoop]: Abstraction has 142 states and 242 transitions. [2020-10-26 04:57:04,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states and 242 transitions. [2020-10-26 04:57:04,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 141. [2020-10-26 04:57:04,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-10-26 04:57:04,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 241 transitions. [2020-10-26 04:57:04,952 INFO L714 BuchiCegarLoop]: Abstraction has 141 states and 241 transitions. [2020-10-26 04:57:04,952 INFO L594 BuchiCegarLoop]: Abstraction has 141 states and 241 transitions. [2020-10-26 04:57:04,952 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-26 04:57:04,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states and 241 transitions. [2020-10-26 04:57:04,954 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2020-10-26 04:57:04,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:57:04,954 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:57:04,955 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:57:04,956 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:57:04,956 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 [2020-10-26 04:57:04,956 INFO L796 eck$LassoCheckResult]: Loop: 1775#L245 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 1768#L251 assume !(0 == test_~op1~0); 1701#L261 assume !(0 == test_~op2~0); 1703#L272 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet24;havoc test_#t~nondet24; 1711#L277 assume 0 != test_~tmp___7~0;test_~op3~0 := 1; 1708#L368-1 assume !false; 1778#L244 assume test_~splverifierCounter~0 < 4; 1775#L245 [2020-10-26 04:57:04,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:57:04,957 INFO L82 PathProgramCache]: Analyzing trace with hash 2040332161, now seen corresponding path program 1 times [2020-10-26 04:57:04,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:57:04,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113547451] [2020-10-26 04:57:04,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:57:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:57:05,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:57:05,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113547451] [2020-10-26 04:57:05,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:57:05,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 04:57:05,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813600261] [2020-10-26 04:57:05,042 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 04:57:05,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:57:05,043 INFO L82 PathProgramCache]: Analyzing trace with hash -655079928, now seen corresponding path program 1 times [2020-10-26 04:57:05,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:57:05,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095585279] [2020-10-26 04:57:05,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:57:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:57:05,053 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:57:05,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:57:05,059 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:57:05,066 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:57:05,105 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:57:05,105 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:57:05,105 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:57:05,105 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:57:05,105 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:57:05,105 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:05,106 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:57:05,106 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:57:05,106 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product05.cil.c_Iteration3_Loop [2020-10-26 04:57:05,107 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:57:05,107 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:57:05,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:05,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:05,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:05,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:05,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:05,224 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:57:05,224 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:57:05,234 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:57:05,234 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 [2020-10-26 04:57:05,239 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:57:05,240 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:57:05,283 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:57:05,283 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 [2020-10-26 04:57:05,290 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:57:05,291 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:57:05,352 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:57:05,353 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:57:05,406 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:57:05,406 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:05,523 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 04:57:05,527 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:57:05,527 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:57:05,527 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:57:05,527 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:57:05,527 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:57:05,528 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:05,528 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:57:05,528 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:57:05,528 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product05.cil.c_Iteration3_Loop [2020-10-26 04:57:05,529 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:57:05,529 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:57:05,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:05,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:05,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:05,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:05,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:05,712 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:57:05,712 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:57:05,719 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 [2020-10-26 04:57:05,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:57:05,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:57:05,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:57:05,721 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-26 04:57:05,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:57:05,723 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-26 04:57:05,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:05,726 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:57:05,767 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 [2020-10-26 04:57:05,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:57:05,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:57:05,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:57:05,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:57:05,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:57:05,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:57:05,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:05,775 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:57:05,779 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-26 04:57:05,779 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:57:05,785 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:57:05,785 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 04:57:05,785 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:57:05,786 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 5 Supporting invariants [] Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:05,820 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 04:57:05,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:57:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:57:06,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:57:06,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:57:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:57:06,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:57:06,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:57:06,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:57:06,075 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 [2020-10-26 04:57:06,076 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 141 states and 241 transitions. cyclomatic complexity: 104 Second operand 3 states. [2020-10-26 04:57:06,098 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. [2020-10-26 04:57:06,099 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 [2020-10-26 04:57:06,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-26 04:57:06,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 76 transitions. [2020-10-26 04:57:06,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 76 transitions. Stem has 16 letters. Loop has 7 letters. [2020-10-26 04:57:06,100 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:57:06,100 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 76 transitions. Stem has 23 letters. Loop has 7 letters. [2020-10-26 04:57:06,100 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:57:06,101 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 76 transitions. Stem has 16 letters. Loop has 14 letters. [2020-10-26 04:57:06,101 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:57:06,101 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 291 states and 508 transitions. [2020-10-26 04:57:06,104 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:57:06,105 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 291 states to 0 states and 0 transitions. [2020-10-26 04:57:06,105 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:57:06,105 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:57:06,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:57:06,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:57:06,106 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:57:06,106 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:57:06,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:57:06,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:57:06,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:57:06,107 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-26 04:57:06,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:57:06,108 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-26 04:57:06,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-26 04:57:06,108 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-26 04:57:06,108 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:57:06,108 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 04:57:06,109 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:57:06,109 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:57:06,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:57:06,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:57:06,109 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:57:06,109 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:57:06,110 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:57:06,110 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-26 04:57:06,110 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:57:06,110 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:57:06,110 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:57:06,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:57:06 BoogieIcfgContainer [2020-10-26 04:57:06,117 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:57:06,118 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:57:06,118 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:57:06,118 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:57:06,119 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:57:01" (3/4) ... [2020-10-26 04:57:06,122 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:57:06,122 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:57:06,125 INFO L168 Benchmark]: Toolchain (without parser) took 6827.35 ms. Allocated memory was 50.3 MB in the beginning and 113.2 MB in the end (delta: 62.9 MB). Free memory was 25.5 MB in the beginning and 38.0 MB in the end (delta: -12.5 MB). Peak memory consumption was 51.7 MB. Max. memory is 16.1 GB. [2020-10-26 04:57:06,126 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 39.8 MB. Free memory is still 17.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:57:06,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 997.35 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 24.8 MB in the beginning and 35.4 MB in the end (delta: -10.6 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2020-10-26 04:57:06,128 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.42 ms. Allocated memory is still 60.8 MB. Free memory was 35.4 MB in the beginning and 30.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-26 04:57:06,128 INFO L168 Benchmark]: Boogie Preprocessor took 111.92 ms. Allocated memory is still 60.8 MB. Free memory was 30.5 MB in the beginning and 27.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-26 04:57:06,129 INFO L168 Benchmark]: RCFGBuilder took 1449.80 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 27.1 MB in the beginning and 37.6 MB in the end (delta: -10.5 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2020-10-26 04:57:06,130 INFO L168 Benchmark]: BuchiAutomizer took 4144.50 ms. Allocated memory was 73.4 MB in the beginning and 113.2 MB in the end (delta: 39.8 MB). Free memory was 37.2 MB in the beginning and 38.0 MB in the end (delta: -790.1 kB). Peak memory consumption was 37.8 MB. Max. memory is 16.1 GB. [2020-10-26 04:57:06,131 INFO L168 Benchmark]: Witness Printer took 4.89 ms. Allocated memory is still 113.2 MB. Free memory is still 38.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:57:06,135 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 39.8 MB. Free memory is still 17.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 997.35 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 24.8 MB in the beginning and 35.4 MB in the end (delta: -10.6 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 106.42 ms. Allocated memory is still 60.8 MB. Free memory was 35.4 MB in the beginning and 30.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 111.92 ms. Allocated memory is still 60.8 MB. Free memory was 30.5 MB in the beginning and 27.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1449.80 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 27.1 MB in the beginning and 37.6 MB in the end (delta: -10.5 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4144.50 ms. Allocated memory was 73.4 MB in the beginning and 113.2 MB in the end (delta: 39.8 MB). Free memory was 37.2 MB in the beginning and 38.0 MB in the end (delta: -790.1 kB). Peak memory consumption was 37.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.89 ms. Allocated memory is still 113.2 MB. Free memory is still 38.0 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 4.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.0s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s 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, 0.0s 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: 13ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...