./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec1_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_spec1_product20.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 cd4ea17b745ee9329bdd815e9d7f8d89f7a2da49 .................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 19:20:57,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 19:20:57,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 19:20:57,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 19:20:57,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 19:20:57,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 19:20:57,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 19:20:57,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 19:20:57,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 19:20:57,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 19:20:57,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 19:20:57,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 19:20:57,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 19:20:57,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 19:20:57,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 19:20:57,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 19:20:57,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 19:20:57,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 19:20:57,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 19:20:57,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 19:20:57,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 19:20:57,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 19:20:57,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 19:20:57,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 19:20:57,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 19:20:57,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 19:20:57,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 19:20:57,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 19:20:57,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 19:20:57,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 19:20:57,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 19:20:57,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 19:20:57,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 19:20:57,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 19:20:57,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 19:20:57,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 19:20:57,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 19:20:57,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 19:20:57,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 19:20:57,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 19:20:57,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 19:20:57,560 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 19:20:57,586 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 19:20:57,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 19:20:57,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 19:20:57,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 19:20:57,588 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 19:20:57,588 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 19:20:57,588 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 19:20:57,589 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 19:20:57,589 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 19:20:57,589 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 19:20:57,589 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 19:20:57,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 19:20:57,590 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 19:20:57,590 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 19:20:57,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 19:20:57,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 19:20:57,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 19:20:57,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 19:20:57,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 19:20:57,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 19:20:57,591 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 19:20:57,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 19:20:57,592 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 19:20:57,592 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 19:20:57,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 19:20:57,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 19:20:57,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 19:20:57,593 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 19:20:57,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 19:20:57,593 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 19:20:57,593 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 19:20:57,594 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 19:20:57,594 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 19:20:57,595 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> cd4ea17b745ee9329bdd815e9d7f8d89f7a2da49 [2020-10-19 19:20:57,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 19:20:57,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 19:20:57,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 19:20:57,924 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 19:20:57,924 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 19:20:57,925 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product20.cil.c [2020-10-19 19:20:57,972 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb3e73e6/fa8b8f0213c84068b40504889a60aea9/FLAG24de42216 [2020-10-19 19:20:58,546 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 19:20:58,547 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product20.cil.c [2020-10-19 19:20:58,574 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb3e73e6/fa8b8f0213c84068b40504889a60aea9/FLAG24de42216 [2020-10-19 19:20:58,755 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb3e73e6/fa8b8f0213c84068b40504889a60aea9 [2020-10-19 19:20:58,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 19:20:58,767 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 19:20:58,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 19:20:58,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 19:20:58,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 19:20:58,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:20:58" (1/1) ... [2020-10-19 19:20:58,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38caf3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:20:58, skipping insertion in model container [2020-10-19 19:20:58,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:20:58" (1/1) ... [2020-10-19 19:20:58,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 19:20:58,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 19:20:59,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:20:59,624 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 19:20:59,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:20:59,828 INFO L208 MainTranslator]: Completed translation [2020-10-19 19:20:59,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:20:59 WrapperNode [2020-10-19 19:20:59,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 19:20:59,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 19:20:59,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 19:20:59,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 19:20:59,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:20:59" (1/1) ... [2020-10-19 19:20:59,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:20:59" (1/1) ... [2020-10-19 19:20:59,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 19:20:59,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 19:20:59,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 19:20:59,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 19:21:00,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:20:59" (1/1) ... [2020-10-19 19:21:00,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:20:59" (1/1) ... [2020-10-19 19:21:00,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:20:59" (1/1) ... [2020-10-19 19:21:00,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:20:59" (1/1) ... [2020-10-19 19:21:00,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:20:59" (1/1) ... [2020-10-19 19:21:00,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:20:59" (1/1) ... [2020-10-19 19:21:00,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:20:59" (1/1) ... [2020-10-19 19:21:00,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 19:21:00,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 19:21:00,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 19:21:00,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 19:21:00,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:20:59" (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 [2020-10-19 19:21:00,182 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-19 19:21:00,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 19:21:00,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 19:21:00,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 19:21:00,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 19:21:02,685 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 19:21:02,686 INFO L298 CfgBuilder]: Removed 541 assume(true) statements. [2020-10-19 19:21:02,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:21:02 BoogieIcfgContainer [2020-10-19 19:21:02,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 19:21:02,690 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 19:21:02,690 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 19:21:02,693 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 19:21:02,694 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:21:02,694 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 07:20:58" (1/3) ... [2020-10-19 19:21:02,696 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@386970a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:21:02, skipping insertion in model container [2020-10-19 19:21:02,696 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:21:02,696 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:20:59" (2/3) ... [2020-10-19 19:21:02,697 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@386970a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:21:02, skipping insertion in model container [2020-10-19 19:21:02,697 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:21:02,697 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:21:02" (3/3) ... [2020-10-19 19:21:02,699 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec1_product20.cil.c [2020-10-19 19:21:02,743 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 19:21:02,744 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 19:21:02,744 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 19:21:02,744 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 19:21:02,745 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 19:21:02,745 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 19:21:02,745 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 19:21:02,745 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 19:21:02,780 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 836 states. [2020-10-19 19:21:02,846 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2020-10-19 19:21:02,846 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:21:02,846 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:21:02,857 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:21:02,857 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:21:02,857 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 19:21:02,857 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 836 states. [2020-10-19 19:21:02,874 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2020-10-19 19:21:02,875 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:21:02,875 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:21:02,877 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:21:02,877 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:21:02,884 INFO L794 eck$LassoCheckResult]: Stem: 292#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(10);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(34);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(16);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(20);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(22);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(10);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(12);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(10);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(18);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(16);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(44);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(44);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(11);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(19);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string73.base, #t~string73.offset, 1);call write~init~int(100, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(10, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string76.base, #t~string76.offset, 1);call write~init~int(100, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(10, #t~string76.base, 2 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 3 + #t~string76.offset, 1);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(13);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(30);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(9);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(21);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(30);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(9);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(21);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(30);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(9);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(25);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(30);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(9);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(25);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string136.base, #t~string136.offset, 1);call write~init~int(115, #t~string136.base, 1 + #t~string136.offset, 1);call write~init~int(10, #t~string136.base, 2 + #t~string136.offset, 1);call write~init~int(0, #t~string136.base, 3 + #t~string136.offset, 1);~__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;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__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;~mail_is_sensitive~0 := -1;~head~0.base, ~head~0.offset := 0, 0; 223#L-1true havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~20, main_~tmp~13;havoc main_~retValue_acc~20;havoc main_~tmp~13; 44#L2910true havoc valid_product_#res;havoc valid_product_~retValue_acc~42;havoc valid_product_~retValue_acc~42;valid_product_~retValue_acc~42 := 1;valid_product_#res := valid_product_~retValue_acc~42; 702#L2918true main_#t~ret68 := valid_product_#res;main_~tmp~13 := main_#t~ret68;havoc main_#t~ret68; 672#L1066true assume 0 != main_~tmp~13;havoc setup_#t~nondet63, setup_#t~nondet65, setup_#t~nondet67, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.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_tmp3~2.base, setup_~__cil_tmp3~2.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 735#L2477true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 498#L2483-2true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 522#L2042true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 270#L2048-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string62.base, #t~string62.offset;havoc setup_#t~nondet63;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 736#L2477-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 485#L2483-5true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 520#L2042-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 278#L2048-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string64.base, #t~string64.offset;havoc setup_#t~nondet65;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 717#L2477-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 490#L2483-8true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 521#L2042-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 268#L2048-8true setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string66.base, #t~string66.offset;havoc setup_#t~nondet67; 351#L1053true havoc test_#t~nondet83, test_#t~nondet84, test_#t~nondet85, test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_#t~nondet90, test_#t~nondet91, test_#t~nondet92, test_#t~nondet93, test_~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~15, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~3, 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~15;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~3;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; 576#L1401-1true [2020-10-19 19:21:02,884 INFO L796 eck$LassoCheckResult]: Loop: 576#L1401-1true assume !false; 264#L1253true assume test_~splverifierCounter~0 < 4; 230#L1254true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 83#L1260true assume !(0 == test_~op1~0); 362#L1273true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet84;havoc test_#t~nondet84; 116#L1278true assume 0 != test_~tmp___8~0;setClientAutoResponse_#in~handle, setClientAutoResponse_#in~value := ~rjh~0, 1;havoc setClientAutoResponse_~handle, setClientAutoResponse_~value;setClientAutoResponse_~handle := setClientAutoResponse_#in~handle;setClientAutoResponse_~value := setClientAutoResponse_#in~value; 610#L1995true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 436#L2001-2true test_~op2~0 := 1; 576#L1401-1true [2020-10-19 19:21:02,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:21:02,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2020-10-19 19:21:02,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:21:02,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283317526] [2020-10-19 19:21:02,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:21:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:21:03,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:21:03,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283317526] [2020-10-19 19:21:03,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 19:21:03,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 19:21:03,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662121144] [2020-10-19 19:21:03,282 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 19:21:03,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:21:03,282 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2020-10-19 19:21:03,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:21:03,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8442950] [2020-10-19 19:21:03,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:21:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:21:03,295 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:21:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:21:03,301 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:21:03,331 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:21:03,410 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:21:03,411 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:21:03,411 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:21:03,411 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:21:03,411 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-19 19:21:03,411 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:21:03,411 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:21:03,412 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:21:03,412 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product20.cil.c_Iteration1_Loop [2020-10-19 19:21:03,412 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:21:03,412 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:21:03,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:21:03,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:21:03,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:21:03,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:21:03,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:21:03,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:21:03,587 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:21:03,588 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 [2020-10-19 19:21:03,603 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:21:03,604 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) [2020-10-19 19:21:03,636 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 19:21:03,636 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 [2020-10-19 19:21:03,672 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-19 19:21:03,675 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:21:03,675 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:21:03,675 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:21:03,675 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:21:03,675 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 19:21:03,676 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:21:03,676 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:21:03,676 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:21:03,676 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product20.cil.c_Iteration1_Loop [2020-10-19 19:21:03,676 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:21:03,676 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:21:03,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:21:03,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:21:03,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:21:03,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:21:03,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:21:03,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:21:03,841 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:21:03,847 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) [2020-10-19 19:21:03,852 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 [2020-10-19 19:21:03,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:21:03,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:21:03,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:21:03,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:21:03,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:21:03,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:21:03,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:21:03,862 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 19:21:03,868 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-19 19:21:03,869 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) [2020-10-19 19:21:03,874 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 19:21:03,874 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-19 19:21:03,875 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 19:21:03,876 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:21:03,914 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-19 19:21:04,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:21:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:21:04,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 19:21:04,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:21:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:21:04,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 19:21:04,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:21:04,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:21:04,294 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 [2020-10-19 19:21:04,296 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 836 states. Second operand 5 states. [2020-10-19 19:21:04,527 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 836 states.. Second operand 5 states. Result 2187 states and 3810 transitions. Complement of second has 7 states. [2020-10-19 19:21:04,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-19 19:21:04,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-19 19:21:04,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2405 transitions. [2020-10-19 19:21:04,536 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2405 transitions. Stem has 18 letters. Loop has 8 letters. [2020-10-19 19:21:04,538 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:21:04,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2405 transitions. Stem has 26 letters. Loop has 8 letters. [2020-10-19 19:21:04,539 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:21:04,539 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2405 transitions. Stem has 18 letters. Loop has 16 letters. [2020-10-19 19:21:04,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:21:04,542 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2187 states and 3810 transitions. [2020-10-19 19:21:04,569 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:21:04,573 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2187 states to 0 states and 0 transitions. [2020-10-19 19:21:04,574 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 19:21:04,574 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 19:21:04,575 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 19:21:04,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:21:04,575 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:21:04,576 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:21:04,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 19:21:04,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 19:21:04,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 19:21:04,581 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-19 19:21:04,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 19:21:04,584 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-19 19:21:04,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-19 19:21:04,585 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-19 19:21:04,585 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:21:04,586 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 19:21:04,586 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 19:21:04,586 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 19:21:04,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 19:21:04,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:21:04,587 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:21:04,587 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:21:04,587 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:21:04,587 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 19:21:04,588 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 19:21:04,588 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:21:04,588 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 19:21:04,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 07:21:04 BoogieIcfgContainer [2020-10-19 19:21:04,595 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 19:21:04,595 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 19:21:04,595 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 19:21:04,596 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 19:21:04,597 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:21:02" (3/4) ... [2020-10-19 19:21:04,600 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 19:21:04,601 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 19:21:04,606 INFO L168 Benchmark]: Toolchain (without parser) took 5843.19 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 249.0 MB). Free memory was 954.6 MB in the beginning and 921.7 MB in the end (delta: 32.9 MB). Peak memory consumption was 281.9 MB. Max. memory is 11.5 GB. [2020-10-19 19:21:04,607 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:21:04,608 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1060.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2020-10-19 19:21:04,609 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2020-10-19 19:21:04,611 INFO L168 Benchmark]: Boogie Preprocessor took 123.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-10-19 19:21:04,614 INFO L168 Benchmark]: RCFGBuilder took 2570.45 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 107.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -70.4 MB). Peak memory consumption was 271.3 MB. Max. memory is 11.5 GB. [2020-10-19 19:21:04,616 INFO L168 Benchmark]: BuchiAutomizer took 1905.27 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 921.7 MB in the end (delta: 218.1 MB). Peak memory consumption was 218.1 MB. Max. memory is 11.5 GB. [2020-10-19 19:21:04,617 INFO L168 Benchmark]: Witness Printer took 5.60 ms. Allocated memory is still 1.3 GB. Free memory is still 921.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:21:04,634 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1060.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 162.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 123.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2570.45 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 107.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -70.4 MB). Peak memory consumption was 271.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1905.27 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 921.7 MB in the end (delta: 218.1 MB). Peak memory consumption was 218.1 MB. Max. memory is 11.5 GB. * Witness Printer took 5.60 ms. Allocated memory is still 1.3 GB. Free memory is still 921.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1450 SDtfs, 1451 SDslu, 2796 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax100 hnf100 lsp24 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq209 hnf86 smp100 dnf120 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 27ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...