./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec0_product40.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/email_spec0_product40.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 1677a213415dc31c18f07974fb39daf2c8f6e7b9 ....................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 04:57:30,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:57:30,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:57:30,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:57:30,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:57:30,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:57:30,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:57:30,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:57:30,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:57:30,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:57:30,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:57:30,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:57:30,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:57:30,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:57:30,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:57:30,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:57:30,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:57:30,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:57:30,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:57:30,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:57:30,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:57:30,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:57:30,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:57:30,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:57:30,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:57:30,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:57:30,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:57:30,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:57:30,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:57:30,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:57:30,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:57:30,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:57:30,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:57:30,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:57:30,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:57:30,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:57:30,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:57:30,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:57:30,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:57:30,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:57:30,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:57:30,706 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-26 04:57:30,740 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:57:30,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:57:30,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:57:30,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:57:30,745 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:57:30,747 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:57:30,748 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:57:30,748 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:57:30,748 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:57:30,749 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:57:30,750 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:57:30,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:57:30,750 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 04:57:30,751 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:57:30,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:57:30,751 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 04:57:30,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:57:30,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:57:30,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:57:30,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:57:30,752 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 04:57:30,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:57:30,753 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:57:30,753 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:57:30,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:57:30,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:57:30,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:57:30,754 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:57:30,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:57:30,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:57:30,755 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:57:30,756 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:57:30,759 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:57:30,759 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1677a213415dc31c18f07974fb39daf2c8f6e7b9 [2020-10-26 04:57:31,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:57:31,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:57:31,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:57:31,250 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:57:31,250 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:57:31,251 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product40.cil.c [2020-10-26 04:57:31,345 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5d2a5c1c/9324bf8b62e4460e8a6e5032cc8840a2/FLAGae1264185 [2020-10-26 04:57:32,199 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:57:32,200 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product40.cil.c [2020-10-26 04:57:32,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5d2a5c1c/9324bf8b62e4460e8a6e5032cc8840a2/FLAGae1264185 [2020-10-26 04:57:32,369 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5d2a5c1c/9324bf8b62e4460e8a6e5032cc8840a2 [2020-10-26 04:57:32,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:57:32,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:57:32,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:57:32,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:57:32,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:57:32,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:57:32" (1/1) ... [2020-10-26 04:57:32,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6634bc6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:32, skipping insertion in model container [2020-10-26 04:57:32,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:57:32" (1/1) ... [2020-10-26 04:57:32,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:57:32,526 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:57:33,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:57:33,204 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:57:33,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:57:33,487 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:57:33,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:33 WrapperNode [2020-10-26 04:57:33,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:57:33,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:57:33,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:57:33,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:57:33,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:33" (1/1) ... [2020-10-26 04:57:33,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:33" (1/1) ... [2020-10-26 04:57:33,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:57:33,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:57:33,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:57:33,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:57:33,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:33" (1/1) ... [2020-10-26 04:57:33,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:33" (1/1) ... [2020-10-26 04:57:33,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:33" (1/1) ... [2020-10-26 04:57:33,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:33" (1/1) ... [2020-10-26 04:57:33,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:33" (1/1) ... [2020-10-26 04:57:33,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:33" (1/1) ... [2020-10-26 04:57:33,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:33" (1/1) ... [2020-10-26 04:57:33,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:57:33,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:57:33,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:57:33,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:57:33,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:34,066 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-26 04:57:34,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 04:57:34,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 04:57:34,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:57:34,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:57:37,161 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:57:37,162 INFO L298 CfgBuilder]: Removed 509 assume(true) statements. [2020-10-26 04:57:37,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:57:37 BoogieIcfgContainer [2020-10-26 04:57:37,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:57:37,166 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:57:37,166 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:57:37,169 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:57:37,170 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:57:37,170 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:57:32" (1/3) ... [2020-10-26 04:57:37,171 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2264b6e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:57:37, skipping insertion in model container [2020-10-26 04:57:37,171 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:57:37,171 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:33" (2/3) ... [2020-10-26 04:57:37,171 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2264b6e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:57:37, skipping insertion in model container [2020-10-26 04:57:37,171 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:57:37,172 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:57:37" (3/3) ... [2020-10-26 04:57:37,173 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec0_product40.cil.c [2020-10-26 04:57:37,225 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:57:37,225 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:57:37,226 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:57:37,226 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:57:37,226 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:57:37,226 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:57:37,226 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:57:37,226 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:57:37,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 672 states. [2020-10-26 04:57:37,327 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2020-10-26 04:57:37,328 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:57:37,329 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:57:37,346 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:57:37,346 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:57:37,346 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:57:37,347 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 672 states. [2020-10-26 04:57:37,359 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2020-10-26 04:57:37,359 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:57:37,359 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:57:37,362 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:57:37,362 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:57:37,369 INFO L794 eck$LassoCheckResult]: Stem: 463#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~string23.base, #t~string23.offset := #Ultimate.allocOnStack(19);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string26.base, #t~string26.offset, 1);call write~init~int(100, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(10, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string29.base, #t~string29.offset, 1);call write~init~int(100, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(10, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(10);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(34);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(16);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(20);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(22);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(16);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string78.base, #t~string78.offset, 1);call write~init~int(115, #t~string78.base, 1 + #t~string78.offset, 1);call write~init~int(10, #t~string78.base, 2 + #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 3 + #t~string78.offset, 1);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(10);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(12);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(10);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(18);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(30);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(9);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(21);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(30);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(9);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(21);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(30);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(9);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(25);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(30);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(9);call #t~string124.base, #t~string124.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;~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;~head~0.base, ~head~0.offset := 0, 0; 368#L-1true havoc main_#res;havoc main_#t~nondet20, main_#t~ret21, main_~retValue_acc~0, main_~tmp~1;main_~retValue_acc~0 := main_#t~nondet20;havoc main_#t~nondet20;havoc main_~tmp~1; 15#L698true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 171#L706true main_#t~ret21 := valid_product_#res;main_~tmp~1 := main_#t~ret21;havoc main_#t~ret21; 643#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; 102#L1756true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 432#L1762-2true 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; 462#L1321true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 70#L1327-2true 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; 104#L1756-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 235#L1762-5true 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; 465#L1321-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 87#L1327-5true 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; 96#L1756-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 243#L1762-8true 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; 467#L1321-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 561#L1327-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string18.base, #t~string18.offset;havoc setup_#t~nondet19; 89#L215true havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, 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~14, test_~tmp___0~3, test_~tmp___1~2, test_~tmp___2~1, 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~14;havoc test_~tmp___0~3;havoc test_~tmp___1~2;havoc test_~tmp___2~1;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; 323#L1984-1true [2020-10-26 04:57:37,370 INFO L796 eck$LassoCheckResult]: Loop: 323#L1984-1true assume !false; 101#L1833true assume test_~splverifierCounter~0 < 4; 545#L1834true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 178#L1840true assume !(0 == test_~op1~0); 66#L1853true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet68;havoc test_#t~nondet68; 603#L1858true 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; 644#L1274true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 258#L1280-2true test_~op2~0 := 1; 323#L1984-1true [2020-10-26 04:57:37,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:57:37,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2020-10-26 04:57:37,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:57:37,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345289777] [2020-10-26 04:57:37,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:57:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:57:37,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:57:37,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345289777] [2020-10-26 04:57:37,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:57:37,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 04:57:37,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478196716] [2020-10-26 04:57:37,799 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 04:57:37,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:57:37,802 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2020-10-26 04:57:37,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:57:37,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880941347] [2020-10-26 04:57:37,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:57:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:57:37,825 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:57:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:57:37,847 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:57:37,893 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:57:37,979 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:57:37,980 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:57:37,981 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:57:37,981 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:57:37,981 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:57:37,981 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:37,981 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:57:37,981 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:57:37,982 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product40.cil.c_Iteration1_Loop [2020-10-26 04:57:37,982 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:57:37,982 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:57:38,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:38,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:38,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:38,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:38,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:38,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:38,211 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:57:38,212 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) [2020-10-26 04:57:38,225 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:57:38,226 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) [2020-10-26 04:57:38,276 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:57:38,277 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:38,326 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 04:57:38,331 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:57:38,331 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:57:38,331 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:57:38,331 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:57:38,331 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:57:38,332 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:38,332 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:57:38,332 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:57:38,332 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product40.cil.c_Iteration1_Loop [2020-10-26 04:57:38,332 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:57:38,332 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:57:38,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:38,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:38,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:38,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:38,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:38,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:38,517 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:57:38,524 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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:38,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:57:38,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:57:38,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:57:38,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:57:38,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:57:38,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:57:38,541 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:57:38,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:57:38,545 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:57:38,585 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-26 04:57:38,585 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:57:38,594 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:57:38,594 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 04:57:38,595 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:57:38,596 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 [2020-10-26 04:57:38,632 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 04:57:38,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:57:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:57:38,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:57:38,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:57:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:57:38,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:57:38,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:57:38,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:57:38,996 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-10-26 04:57:38,997 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 672 states. Second operand 5 states. [2020-10-26 04:57:39,203 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 672 states.. Second operand 5 states. Result 1691 states and 2870 transitions. Complement of second has 7 states. [2020-10-26 04:57:39,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-26 04:57:39,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-26 04:57:39,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1776 transitions. [2020-10-26 04:57:39,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1776 transitions. Stem has 18 letters. Loop has 8 letters. [2020-10-26 04:57:39,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:57:39,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1776 transitions. Stem has 26 letters. Loop has 8 letters. [2020-10-26 04:57:39,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:57:39,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1776 transitions. Stem has 18 letters. Loop has 16 letters. [2020-10-26 04:57:39,217 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:57:39,218 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1691 states and 2870 transitions. [2020-10-26 04:57:39,242 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:57:39,245 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1691 states to 0 states and 0 transitions. [2020-10-26 04:57:39,247 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:57:39,247 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:57:39,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:57:39,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:57:39,249 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:57:39,249 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:57:39,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:57:39,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:57:39,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:57:39,257 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-26 04:57:39,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:57:39,260 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-26 04:57:39,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-26 04:57:39,261 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-26 04:57:39,261 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:57:39,284 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 04:57:39,284 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:57:39,285 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:57:39,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:57:39,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:57:39,287 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:57:39,287 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:57:39,287 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:57:39,287 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:57:39,287 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:57:39,287 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:57:39,288 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:57:39,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:57:39 BoogieIcfgContainer [2020-10-26 04:57:39,296 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:57:39,296 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:57:39,297 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:57:39,297 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:57:39,298 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:57:37" (3/4) ... [2020-10-26 04:57:39,301 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:57:39,302 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:57:39,304 INFO L168 Benchmark]: Toolchain (without parser) took 6924.50 ms. Allocated memory was 48.2 MB in the beginning and 216.0 MB in the end (delta: 167.8 MB). Free memory was 22.6 MB in the beginning and 172.6 MB in the end (delta: -150.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. [2020-10-26 04:57:39,305 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 37.7 MB. Free memory was 23.7 MB in the beginning and 23.6 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:57:39,306 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1084.53 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 32.6 MB in the beginning and 23.8 MB in the end (delta: 8.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2020-10-26 04:57:39,308 INFO L168 Benchmark]: Boogie Procedure Inliner took 272.90 ms. Allocated memory is still 58.7 MB. Free memory was 23.8 MB in the beginning and 25.4 MB in the end (delta: -1.7 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. [2020-10-26 04:57:39,308 INFO L168 Benchmark]: Boogie Preprocessor took 220.21 ms. Allocated memory is still 58.7 MB. Free memory was 25.4 MB in the beginning and 26.2 MB in the end (delta: -743.4 kB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2020-10-26 04:57:39,310 INFO L168 Benchmark]: RCFGBuilder took 3178.38 ms. Allocated memory was 58.7 MB in the beginning and 142.6 MB in the end (delta: 83.9 MB). Free memory was 26.2 MB in the beginning and 101.2 MB in the end (delta: -75.0 MB). Peak memory consumption was 56.7 MB. Max. memory is 16.1 GB. [2020-10-26 04:57:39,311 INFO L168 Benchmark]: BuchiAutomizer took 2129.84 ms. Allocated memory was 142.6 MB in the beginning and 216.0 MB in the end (delta: 73.4 MB). Free memory was 100.2 MB in the beginning and 172.6 MB in the end (delta: -72.4 MB). Peak memory consumption was 964.2 kB. Max. memory is 16.1 GB. [2020-10-26 04:57:39,312 INFO L168 Benchmark]: Witness Printer took 5.41 ms. Allocated memory is still 216.0 MB. Free memory is still 172.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:57:39,317 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 37.7 MB. Free memory was 23.7 MB in the beginning and 23.6 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1084.53 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 32.6 MB in the beginning and 23.8 MB in the end (delta: 8.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 272.90 ms. Allocated memory is still 58.7 MB. Free memory was 23.8 MB in the beginning and 25.4 MB in the end (delta: -1.7 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 220.21 ms. Allocated memory is still 58.7 MB. Free memory was 25.4 MB in the beginning and 26.2 MB in the end (delta: -743.4 kB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3178.38 ms. Allocated memory was 58.7 MB in the beginning and 142.6 MB in the end (delta: 83.9 MB). Free memory was 26.2 MB in the beginning and 101.2 MB in the end (delta: -75.0 MB). Peak memory consumption was 56.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2129.84 ms. Allocated memory was 142.6 MB in the beginning and 216.0 MB in the end (delta: 73.4 MB). Free memory was 100.2 MB in the beginning and 172.6 MB in the end (delta: -72.4 MB). Peak memory consumption was 964.2 kB. Max. memory is 16.1 GB. * Witness Printer took 5.41 ms. Allocated memory is still 216.0 MB. Free memory is still 172.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. 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: 1139 SDtfs, 1139 SDslu, 2174 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: 70ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...