./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec9_product26.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_spec9_product26.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 aeb3a4da8e869a0574df31d021e914819b8a0048 .................................................................................................................................................................................................................................................................................................................................................................................. 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 19:23:04,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 19:23:04,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 19:23:04,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 19:23:04,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 19:23:04,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 19:23:04,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 19:23:04,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 19:23:04,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 19:23:04,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 19:23:04,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 19:23:04,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 19:23:04,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 19:23:04,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 19:23:04,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 19:23:04,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 19:23:04,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 19:23:04,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 19:23:04,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 19:23:04,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 19:23:04,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 19:23:04,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 19:23:04,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 19:23:04,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 19:23:04,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 19:23:04,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 19:23:04,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 19:23:04,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 19:23:04,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 19:23:04,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 19:23:04,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 19:23:04,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 19:23:04,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 19:23:04,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 19:23:04,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 19:23:04,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 19:23:04,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 19:23:04,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 19:23:04,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 19:23:04,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 19:23:04,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 19:23:04,778 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 19:23:04,824 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 19:23:04,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 19:23:04,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 19:23:04,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 19:23:04,827 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 19:23:04,827 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 19:23:04,827 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 19:23:04,828 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 19:23:04,828 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 19:23:04,828 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 19:23:04,829 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 19:23:04,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 19:23:04,830 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 19:23:04,830 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 19:23:04,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 19:23:04,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 19:23:04,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 19:23:04,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 19:23:04,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 19:23:04,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 19:23:04,832 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 19:23:04,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 19:23:04,833 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 19:23:04,833 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 19:23:04,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 19:23:04,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 19:23:04,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 19:23:04,835 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 19:23:04,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 19:23:04,835 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 19:23:04,836 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 19:23:04,836 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 19:23:04,838 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 19:23:04,838 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 -> aeb3a4da8e869a0574df31d021e914819b8a0048 [2020-10-19 19:23:05,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 19:23:05,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 19:23:05,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 19:23:05,177 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 19:23:05,178 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 19:23:05,179 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_product26.cil.c [2020-10-19 19:23:05,232 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/223d7acc8/7a8e0f3225ea41c29369667a501b5e5d/FLAG6c2a730f1 [2020-10-19 19:23:05,848 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 19:23:05,849 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product26.cil.c [2020-10-19 19:23:05,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/223d7acc8/7a8e0f3225ea41c29369667a501b5e5d/FLAG6c2a730f1 [2020-10-19 19:23:06,061 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/223d7acc8/7a8e0f3225ea41c29369667a501b5e5d [2020-10-19 19:23:06,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 19:23:06,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 19:23:06,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 19:23:06,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 19:23:06,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 19:23:06,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:23:06" (1/1) ... [2020-10-19 19:23:06,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@184db9a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:23:06, skipping insertion in model container [2020-10-19 19:23:06,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:23:06" (1/1) ... [2020-10-19 19:23:06,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 19:23:06,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 19:23:06,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:23:06,877 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 19:23:06,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:23:07,090 INFO L208 MainTranslator]: Completed translation [2020-10-19 19:23:07,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:23:07 WrapperNode [2020-10-19 19:23:07,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 19:23:07,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 19:23:07,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 19:23:07,095 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 19:23:07,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:23:07" (1/1) ... [2020-10-19 19:23:07,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:23:07" (1/1) ... [2020-10-19 19:23:07,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 19:23:07,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 19:23:07,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 19:23:07,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 19:23:07,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:23:07" (1/1) ... [2020-10-19 19:23:07,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:23:07" (1/1) ... [2020-10-19 19:23:07,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:23:07" (1/1) ... [2020-10-19 19:23:07,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:23:07" (1/1) ... [2020-10-19 19:23:07,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:23:07" (1/1) ... [2020-10-19 19:23:07,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:23:07" (1/1) ... [2020-10-19 19:23:07,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:23:07" (1/1) ... [2020-10-19 19:23:07,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 19:23:07,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 19:23:07,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 19:23:07,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 19:23:07,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:23:07" (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 19:23:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-19 19:23:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 19:23:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 19:23:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 19:23:07,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 19:23:10,766 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 19:23:10,767 INFO L298 CfgBuilder]: Removed 737 assume(true) statements. [2020-10-19 19:23:10,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:23:10 BoogieIcfgContainer [2020-10-19 19:23:10,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 19:23:10,771 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 19:23:10,771 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 19:23:10,775 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 19:23:10,776 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:23:10,777 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 07:23:06" (1/3) ... [2020-10-19 19:23:10,778 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2fef093b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:23:10, skipping insertion in model container [2020-10-19 19:23:10,778 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:23:10,779 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:23:07" (2/3) ... [2020-10-19 19:23:10,779 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2fef093b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:23:10, skipping insertion in model container [2020-10-19 19:23:10,779 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:23:10,779 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:23:10" (3/3) ... [2020-10-19 19:23:10,781 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec9_product26.cil.c [2020-10-19 19:23:10,830 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 19:23:10,830 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 19:23:10,830 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 19:23:10,830 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 19:23:10,831 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 19:23:10,831 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 19:23:10,831 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 19:23:10,831 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 19:23:10,865 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1038 states. [2020-10-19 19:23:10,951 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2020-10-19 19:23:10,952 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:23:10,952 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:23:10,962 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 19:23:10,963 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:23:10,963 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 19:23:10,963 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1038 states. [2020-10-19 19:23:10,979 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2020-10-19 19:23:10,980 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:23:10,980 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:23:10,982 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 19:23:10,982 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:23:10,989 INFO L794 eck$LassoCheckResult]: Stem: 416#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(44);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(44);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(11);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(19);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string60.base, #t~string60.offset, 1);call write~init~int(100, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(10, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string63.base, #t~string63.offset, 1);call write~init~int(100, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(10, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(10);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(12);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(10);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(18);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(16);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(21);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(10);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(34);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(30);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(16);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(20);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(22);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(21);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(17);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(17);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(13);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(17);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string143.base, #t~string143.offset, 1);call write~init~int(115, #t~string143.base, 1 + #t~string143.offset, 1);call write~init~int(10, #t~string143.base, 2 + #t~string143.offset, 1);call write~init~int(0, #t~string143.base, 3 + #t~string143.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~in_encrypted~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;~__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; 294#L-1true havoc main_#res;havoc main_#t~ret55, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 620#L1116true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 156#L1124true main_#t~ret55 := valid_product_#res;main_~tmp~4 := main_#t~ret55;havoc main_#t~ret55; 447#L594true assume 0 != main_~tmp~4;havoc setup_#t~nondet50, setup_#t~nondet52, setup_#t~nondet54, 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; 789#L2987true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 365#L2993-2true 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; 560#L2552true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 41#L2558-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string49.base, #t~string49.offset;havoc setup_#t~nondet50;~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; 648#L2987-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 352#L2993-5true 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; 563#L2552-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 26#L2558-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string51.base, #t~string51.offset;havoc setup_#t~nondet52;~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; 649#L2987-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 325#L2993-8true 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; 383#L2552-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 32#L2558-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string53.base, #t~string53.offset;havoc setup_#t~nondet54; 1029#L581true havoc 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_#t~nondet78, test_#t~nondet79, test_#t~nondet80, 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~6, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 540#L942-1true [2020-10-19 19:23:10,990 INFO L796 eck$LassoCheckResult]: Loop: 540#L942-1true assume !false; 347#L791true assume test_~splverifierCounter~0 < 4; 457#L792true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 85#L798true assume !(0 == test_~op1~0); 471#L811true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet71;havoc test_#t~nondet71; 154#L816true 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; 666#L2505true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 175#L2511-2true test_~op2~0 := 1; 540#L942-1true [2020-10-19 19:23:10,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:23:10,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2020-10-19 19:23:11,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:23:11,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419393686] [2020-10-19 19:23:11,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:23:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:23:11,369 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 19:23:11,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419393686] [2020-10-19 19:23:11,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 19:23:11,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 19:23:11,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023384997] [2020-10-19 19:23:11,378 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 19:23:11,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:23:11,378 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2020-10-19 19:23:11,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:23:11,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257326337] [2020-10-19 19:23:11,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:23:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:23:11,390 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:23:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:23:11,395 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:23:11,426 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:23:11,509 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:23:11,510 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:23:11,510 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:23:11,510 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:23:11,510 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-19 19:23:11,510 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:23:11,511 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:23:11,511 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:23:11,511 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product26.cil.c_Iteration1_Loop [2020-10-19 19:23:11,511 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:23:11,511 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:23:11,535 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 19:23:11,547 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 19:23:11,558 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 19:23:11,567 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 19:23:11,574 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 19:23:11,582 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 19:23:11,723 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:23:11,724 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:23:11,732 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:23:11,732 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:23:11,774 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 19:23:11,774 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 19:23:11,813 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-19 19:23:11,816 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:23:11,816 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:23:11,816 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:23:11,817 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:23:11,817 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 19:23:11,817 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:23:11,817 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:23:11,818 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:23:11,818 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product26.cil.c_Iteration1_Loop [2020-10-19 19:23:11,818 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:23:11,818 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:23:11,820 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 19:23:11,836 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 19:23:11,865 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 19:23:11,873 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 19:23:11,885 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 19:23:11,904 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 19:23:12,056 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:23:12,063 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 19:23:12,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:23:12,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:23:12,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:23:12,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:23:12,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:23:12,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:23:12,081 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:23:12,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:23:12,085 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 19:23:12,092 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-19 19:23:12,092 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:23:12,107 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 19:23:12,107 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-19 19:23:12,108 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 19:23:12,109 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:23:12,146 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-19 19:23:12,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:23:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:23:12,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 19:23:12,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:23:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:23:12,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 19:23:12,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:23:12,565 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 19:23:12,585 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 19:23:12,586 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1038 states. Second operand 5 states. [2020-10-19 19:23:12,827 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1038 states.. Second operand 5 states. Result 2789 states and 4760 transitions. Complement of second has 7 states. [2020-10-19 19:23:12,828 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 19:23:12,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-19 19:23:12,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3036 transitions. [2020-10-19 19:23:12,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3036 transitions. Stem has 18 letters. Loop has 8 letters. [2020-10-19 19:23:12,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:23:12,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3036 transitions. Stem has 26 letters. Loop has 8 letters. [2020-10-19 19:23:12,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:23:12,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3036 transitions. Stem has 18 letters. Loop has 16 letters. [2020-10-19 19:23:12,856 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:23:12,857 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2789 states and 4760 transitions. [2020-10-19 19:23:12,892 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:23:12,895 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2789 states to 0 states and 0 transitions. [2020-10-19 19:23:12,897 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 19:23:12,897 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 19:23:12,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 19:23:12,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:23:12,898 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:23:12,899 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:23:12,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 19:23:12,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 19:23:12,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 19:23:12,907 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-19 19:23:12,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 19:23:12,911 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-19 19:23:12,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-19 19:23:12,912 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-19 19:23:12,912 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:23:12,912 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 19:23:12,912 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 19:23:12,912 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 19:23:12,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 19:23:12,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:23:12,913 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:23:12,913 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:23:12,913 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:23:12,913 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 19:23:12,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 19:23:12,914 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:23:12,914 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 19:23:12,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 07:23:12 BoogieIcfgContainer [2020-10-19 19:23:12,921 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 19:23:12,921 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 19:23:12,922 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 19:23:12,922 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 19:23:12,923 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:23:10" (3/4) ... [2020-10-19 19:23:12,926 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 19:23:12,927 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 19:23:12,929 INFO L168 Benchmark]: Toolchain (without parser) took 6862.25 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 241.7 MB). Free memory was 950.6 MB in the beginning and 809.5 MB in the end (delta: 141.1 MB). Peak memory consumption was 382.7 MB. Max. memory is 11.5 GB. [2020-10-19 19:23:12,930 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:23:12,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1020.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -119.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2020-10-19 19:23:12,932 INFO L168 Benchmark]: Boogie Procedure Inliner took 193.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2020-10-19 19:23:12,933 INFO L168 Benchmark]: Boogie Preprocessor took 175.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2020-10-19 19:23:12,934 INFO L168 Benchmark]: RCFGBuilder took 3307.69 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 111.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -14.2 MB). Peak memory consumption was 259.7 MB. Max. memory is 11.5 GB. [2020-10-19 19:23:12,935 INFO L168 Benchmark]: BuchiAutomizer took 2149.91 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 809.5 MB in the end (delta: 240.8 MB). Peak memory consumption was 240.8 MB. Max. memory is 11.5 GB. [2020-10-19 19:23:12,935 INFO L168 Benchmark]: Witness Printer took 5.28 ms. Allocated memory is still 1.3 GB. Free memory is still 809.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:23:12,941 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1020.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -119.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 193.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 175.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3307.69 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 111.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -14.2 MB). Peak memory consumption was 259.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2149.91 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 809.5 MB in the end (delta: 240.8 MB). Peak memory consumption was 240.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.28 ms. Allocated memory is still 1.3 GB. Free memory is still 809.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. 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: 1769 SDtfs, 1769 SDslu, 3434 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: 44ms 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...