./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec1_product35.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_product35.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 2bcbba3c1ea046677a612fa160873d3190b9a221 .................................................................................................................................................................................................................................................................................................................................................................................. 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 19:21:06,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 19:21:06,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 19:21:06,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 19:21:06,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 19:21:06,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 19:21:06,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 19:21:06,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 19:21:06,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 19:21:06,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 19:21:06,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 19:21:06,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 19:21:06,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 19:21:06,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 19:21:06,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 19:21:06,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 19:21:06,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 19:21:06,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 19:21:06,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 19:21:06,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 19:21:06,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 19:21:06,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 19:21:06,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 19:21:06,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 19:21:06,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 19:21:06,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 19:21:06,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 19:21:06,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 19:21:06,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 19:21:06,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 19:21:06,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 19:21:06,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 19:21:06,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 19:21:06,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 19:21:06,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 19:21:06,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 19:21:06,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 19:21:06,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 19:21:06,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 19:21:06,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 19:21:06,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 19:21:06,267 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 19:21:06,308 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 19:21:06,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 19:21:06,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 19:21:06,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 19:21:06,311 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 19:21:06,311 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 19:21:06,311 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 19:21:06,311 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 19:21:06,312 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 19:21:06,312 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 19:21:06,313 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 19:21:06,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 19:21:06,313 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 19:21:06,314 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 19:21:06,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 19:21:06,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 19:21:06,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 19:21:06,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 19:21:06,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 19:21:06,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 19:21:06,315 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 19:21:06,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 19:21:06,316 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 19:21:06,316 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 19:21:06,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 19:21:06,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 19:21:06,317 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 19:21:06,317 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 19:21:06,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 19:21:06,317 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 19:21:06,317 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 19:21:06,318 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 19:21:06,319 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 19:21:06,320 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 -> 2bcbba3c1ea046677a612fa160873d3190b9a221 [2020-10-19 19:21:06,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 19:21:06,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 19:21:06,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 19:21:06,648 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 19:21:06,649 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 19:21:06,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product35.cil.c [2020-10-19 19:21:06,709 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c180a80f/b0542d05250c4fbe9303fccf4f218e1e/FLAG6686836dc [2020-10-19 19:21:07,301 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 19:21:07,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product35.cil.c [2020-10-19 19:21:07,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c180a80f/b0542d05250c4fbe9303fccf4f218e1e/FLAG6686836dc [2020-10-19 19:21:07,534 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c180a80f/b0542d05250c4fbe9303fccf4f218e1e [2020-10-19 19:21:07,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 19:21:07,545 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 19:21:07,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 19:21:07,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 19:21:07,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 19:21:07,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:21:07" (1/1) ... [2020-10-19 19:21:07,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c9032c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:21:07, skipping insertion in model container [2020-10-19 19:21:07,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:21:07" (1/1) ... [2020-10-19 19:21:07,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 19:21:07,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 19:21:08,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:21:08,367 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 19:21:08,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:21:08,615 INFO L208 MainTranslator]: Completed translation [2020-10-19 19:21:08,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:21:08 WrapperNode [2020-10-19 19:21:08,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 19:21:08,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 19:21:08,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 19:21:08,620 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 19:21:08,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:21:08" (1/1) ... [2020-10-19 19:21:08,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:21:08" (1/1) ... [2020-10-19 19:21:08,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 19:21:08,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 19:21:08,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 19:21:08,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 19:21:08,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:21:08" (1/1) ... [2020-10-19 19:21:08,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:21:08" (1/1) ... [2020-10-19 19:21:08,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:21:08" (1/1) ... [2020-10-19 19:21:08,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:21:08" (1/1) ... [2020-10-19 19:21:08,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:21:08" (1/1) ... [2020-10-19 19:21:09,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:21:08" (1/1) ... [2020-10-19 19:21:09,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:21:08" (1/1) ... [2020-10-19 19:21:09,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 19:21:09,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 19:21:09,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 19:21:09,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 19:21:09,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:21:08" (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 19:21:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-19 19:21:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 19:21:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 19:21:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 19:21:09,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 19:21:12,710 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 19:21:12,710 INFO L298 CfgBuilder]: Removed 937 assume(true) statements. [2020-10-19 19:21:12,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:21:12 BoogieIcfgContainer [2020-10-19 19:21:12,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 19:21:12,715 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 19:21:12,715 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 19:21:12,718 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 19:21:12,719 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:21:12,720 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 07:21:07" (1/3) ... [2020-10-19 19:21:12,721 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bd483b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:21:12, skipping insertion in model container [2020-10-19 19:21:12,721 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:21:12,721 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:21:08" (2/3) ... [2020-10-19 19:21:12,722 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bd483b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:21:12, skipping insertion in model container [2020-10-19 19:21:12,722 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:21:12,722 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:21:12" (3/3) ... [2020-10-19 19:21:12,724 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec1_product35.cil.c [2020-10-19 19:21:12,768 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 19:21:12,769 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 19:21:12,769 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 19:21:12,769 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 19:21:12,769 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 19:21:12,769 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 19:21:12,770 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 19:21:12,770 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 19:21:12,807 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1336 states. [2020-10-19 19:21:12,883 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2020-10-19 19:21:12,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:21:12,884 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:21:12,894 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 19:21:12,895 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:21:12,895 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 19:21:12,895 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1336 states. [2020-10-19 19:21:12,909 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2020-10-19 19:21:12,910 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:21:12,910 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:21:12,912 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 19:21:12,913 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:21:12,919 INFO L794 eck$LassoCheckResult]: Stem: 439#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~string22.base, #t~string22.offset := #Ultimate.allocOnStack(19);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string25.base, #t~string25.offset, 1);call write~init~int(100, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(10, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string28.base, #t~string28.offset, 1);call write~init~int(100, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(10, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(13);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(10);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(34);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(30);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(16);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(20);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(22);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(21);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string112.base, #t~string112.offset, 1);call write~init~int(115, #t~string112.base, 1 + #t~string112.offset, 1);call write~init~int(10, #t~string112.base, 2 + #t~string112.offset, 1);call write~init~int(0, #t~string112.base, 3 + #t~string112.offset, 1);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(10);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(12);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(10);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(18);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(16);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(21);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(13);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(16);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(25);~__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;~head~0.base, ~head~0.offset := 0, 0;~mail_is_sensitive~0 := -1;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0; 323#L-1true havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 1282#L2695true havoc valid_product_#res;havoc valid_product_~retValue_acc~32;havoc valid_product_~retValue_acc~32;valid_product_~retValue_acc~32 := 1;valid_product_#res := valid_product_~retValue_acc~32; 794#L2703true main_#t~ret20 := valid_product_#res;main_~tmp~1 := main_#t~ret20;havoc main_#t~ret20; 1317#L228true 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;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; 1206#L2297true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 1013#L2303-2true 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; 871#L1862true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 489#L1868-2true 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;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; 1207#L2297-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 1017#L2303-5true 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; 857#L1862-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 662#L1868-5true 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;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; 1216#L2297-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 997#L2303-8true 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; 858#L1862-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 641#L1868-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string18.base, #t~string18.offset;havoc setup_#t~nondet19; 783#L215true havoc test_#t~nondet116, test_#t~nondet117, test_#t~nondet118, test_#t~nondet119, test_#t~nondet120, test_#t~nondet121, test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, test_#t~nondet126, 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~21, test_~tmp___0~6, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~21;havoc test_~tmp___0~6;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 782#L2505-1true [2020-10-19 19:21:12,920 INFO L796 eck$LassoCheckResult]: Loop: 782#L2505-1true assume !false; 413#L2354true assume test_~splverifierCounter~0 < 4; 325#L2355true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 125#L2361true assume !(0 == test_~op1~0); 518#L2374true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet117;havoc test_#t~nondet117; 210#L2379true 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; 1059#L1815true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 706#L1821-2true test_~op2~0 := 1; 782#L2505-1true [2020-10-19 19:21:12,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:21:12,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2020-10-19 19:21:12,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:21:12,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129395] [2020-10-19 19:21:12,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:21:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:21:13,281 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 19:21:13,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129395] [2020-10-19 19:21:13,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 19:21:13,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 19:21:13,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091216727] [2020-10-19 19:21:13,289 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 19:21:13,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:21:13,290 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2020-10-19 19:21:13,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:21:13,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127116006] [2020-10-19 19:21:13,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:21:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:21:13,302 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:21:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:21:13,308 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:21:13,337 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:21:13,420 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:21:13,421 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:21:13,421 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:21:13,421 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:21:13,421 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-19 19:21:13,422 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:21:13,422 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:21:13,422 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:21:13,422 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product35.cil.c_Iteration1_Loop [2020-10-19 19:21:13,422 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:21:13,423 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:21:13,445 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 19:21:13,456 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 19:21:13,463 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 19:21:13,471 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 19:21:13,480 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 19:21:13,487 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 19:21:13,627 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:21:13,628 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) [2020-10-19 19:21:13,635 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:21:13,635 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /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 19:21:13,680 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 19:21:13,680 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 19:21:13,720 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-19 19:21:13,723 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:21:13,723 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:21:13,723 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:21:13,723 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:21:13,723 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 19:21:13,724 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:21:13,724 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:21:13,724 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:21:13,724 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product35.cil.c_Iteration1_Loop [2020-10-19 19:21:13,724 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:21:13,724 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:21:13,727 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 19:21:13,734 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 19:21:13,743 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 19:21:13,750 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 19:21:13,758 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 19:21:13,767 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 19:21:13,914 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:21:13,919 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 19:21:13,925 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 19:21:13,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:21:13,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:21:13,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:21:13,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:21:13,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:21:13,932 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:21:13,932 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 19:21:13,935 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 19:21:13,941 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-19 19:21:13,942 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) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:21:13,947 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 19:21:13,947 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-19 19:21:13,948 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 19:21:13,949 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2020-10-19 19:21:13,982 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-19 19:21:14,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:21:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:21:14,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 19:21:14,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:21:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:21:14,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 19:21:14,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:21:14,396 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 19:21:14,415 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 19:21:14,416 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1336 states. Second operand 5 states. [2020-10-19 19:21:14,795 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1336 states.. Second operand 5 states. Result 3683 states and 6278 transitions. Complement of second has 7 states. [2020-10-19 19:21:14,796 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 19:21:14,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-19 19:21:14,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4048 transitions. [2020-10-19 19:21:14,806 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4048 transitions. Stem has 18 letters. Loop has 8 letters. [2020-10-19 19:21:14,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:21:14,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4048 transitions. Stem has 26 letters. Loop has 8 letters. [2020-10-19 19:21:14,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:21:14,809 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4048 transitions. Stem has 18 letters. Loop has 16 letters. [2020-10-19 19:21:14,810 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:21:14,811 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3683 states and 6278 transitions. [2020-10-19 19:21:14,849 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:21:14,852 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3683 states to 0 states and 0 transitions. [2020-10-19 19:21:14,853 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 19:21:14,853 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 19:21:14,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 19:21:14,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:21:14,854 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:21:14,854 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:21:14,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 19:21:14,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 19:21:14,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 19:21:14,860 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-19 19:21:14,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 19:21:14,863 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-19 19:21:14,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-19 19:21:14,863 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-19 19:21:14,864 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:21:14,864 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 19:21:14,864 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 19:21:14,864 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 19:21:14,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 19:21:14,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:21:14,865 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:21:14,865 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:21:14,865 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:21:14,865 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 19:21:14,865 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 19:21:14,865 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:21:14,865 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 19:21:14,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 07:21:14 BoogieIcfgContainer [2020-10-19 19:21:14,872 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 19:21:14,872 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 19:21:14,872 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 19:21:14,873 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 19:21:14,873 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:21:12" (3/4) ... [2020-10-19 19:21:14,876 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 19:21:14,876 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 19:21:14,879 INFO L168 Benchmark]: Toolchain (without parser) took 7338.46 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 253.8 MB). Free memory was 953.3 MB in the beginning and 1.2 GB in the end (delta: -207.7 MB). Peak memory consumption was 46.1 MB. Max. memory is 11.5 GB. [2020-10-19 19:21:14,880 INFO L168 Benchmark]: CDTParser took 0.24 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 19:21:14,881 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1070.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.2 MB). Free memory was 953.3 MB in the beginning and 1.0 GB in the end (delta: -63.0 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2020-10-19 19:21:14,882 INFO L168 Benchmark]: Boogie Procedure Inliner took 264.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 995.1 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2020-10-19 19:21:14,882 INFO L168 Benchmark]: Boogie Preprocessor took 236.58 ms. Allocated memory is still 1.1 GB. Free memory was 995.1 MB in the beginning and 973.9 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2020-10-19 19:21:14,883 INFO L168 Benchmark]: RCFGBuilder took 3592.24 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 973.9 MB in the beginning and 926.7 MB in the end (delta: 47.2 MB). Peak memory consumption was 266.5 MB. Max. memory is 11.5 GB. [2020-10-19 19:21:14,884 INFO L168 Benchmark]: BuchiAutomizer took 2157.25 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 36.2 MB). Free memory was 926.7 MB in the beginning and 1.2 GB in the end (delta: -234.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:21:14,885 INFO L168 Benchmark]: Witness Printer took 4.28 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:21:14,890 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 1070.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.2 MB). Free memory was 953.3 MB in the beginning and 1.0 GB in the end (delta: -63.0 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 264.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 995.1 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 236.58 ms. Allocated memory is still 1.1 GB. Free memory was 995.1 MB in the beginning and 973.9 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3592.24 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 973.9 MB in the beginning and 926.7 MB in the end (delta: 47.2 MB). Peak memory consumption was 266.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2157.25 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 36.2 MB). Free memory was 926.7 MB in the beginning and 1.2 GB in the end (delta: -234.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.28 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. 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 2.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2275 SDtfs, 2275 SDslu, 4446 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...