./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec1_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/email_spec1_product33.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 d32220fceacecebaa5db7cb0ef53bc112418ed34 ....................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:55:25,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:55:25,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:55:25,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:55:25,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:55:25,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:55:25,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:55:25,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:55:25,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:55:25,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:55:25,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:55:25,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:55:25,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:55:25,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:55:25,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:55:25,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:55:25,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:55:25,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:55:25,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:55:25,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:55:25,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:55:25,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:55:25,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:55:25,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:55:25,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:55:25,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:55:25,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:55:25,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:55:25,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:55:25,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:55:25,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:55:25,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:55:25,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:55:25,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:55:25,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:55:25,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:55:25,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:55:25,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:55:25,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:55:25,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:55:25,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:55:25,805 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 20:55:25,824 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:55:25,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:55:25,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:55:25,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:55:25,827 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:55:25,828 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:55:25,829 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:55:25,829 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:55:25,829 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:55:25,830 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:55:25,831 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:55:25,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:55:25,831 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:55:25,832 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:55:25,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:55:25,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:55:25,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:55:25,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:55:25,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:55:25,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:55:25,834 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:55:25,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:55:25,834 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:55:25,834 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:55:25,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:55:25,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:55:25,835 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:55:25,835 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:55:25,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:55:25,836 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:55:25,836 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:55:25,838 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:55:25,839 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:55:25,839 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 -> d32220fceacecebaa5db7cb0ef53bc112418ed34 [2019-11-28 20:55:26,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:55:26,182 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:55:26,187 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:55:26,189 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:55:26,189 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:55:26,190 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product33.cil.c [2019-11-28 20:55:26,267 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99257f0cd/d2622b26a70d46c4ab3d692a8d1ed59b/FLAG4127adc57 [2019-11-28 20:55:26,911 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:55:26,912 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product33.cil.c [2019-11-28 20:55:26,944 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99257f0cd/d2622b26a70d46c4ab3d692a8d1ed59b/FLAG4127adc57 [2019-11-28 20:55:27,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99257f0cd/d2622b26a70d46c4ab3d692a8d1ed59b [2019-11-28 20:55:27,120 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:55:27,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:55:27,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:55:27,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:55:27,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:55:27,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:55:27" (1/1) ... [2019-11-28 20:55:27,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a9a379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:55:27, skipping insertion in model container [2019-11-28 20:55:27,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:55:27" (1/1) ... [2019-11-28 20:55:27,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:55:27,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:55:27,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:55:27,966 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:55:28,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:55:28,192 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:55:28,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:55:28 WrapperNode [2019-11-28 20:55:28,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:55:28,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:55:28,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:55:28,194 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:55:28,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:55:28" (1/1) ... [2019-11-28 20:55:28,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:55:28" (1/1) ... [2019-11-28 20:55:28,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:55:28,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:55:28,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:55:28,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:55:28,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:55:28" (1/1) ... [2019-11-28 20:55:28,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:55:28" (1/1) ... [2019-11-28 20:55:28,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:55:28" (1/1) ... [2019-11-28 20:55:28,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:55:28" (1/1) ... [2019-11-28 20:55:28,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:55:28" (1/1) ... [2019-11-28 20:55:28,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:55:28" (1/1) ... [2019-11-28 20:55:28,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:55:28" (1/1) ... [2019-11-28 20:55:28,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:55:28,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:55:28,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:55:28,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:55:28,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:55:28" (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 [2019-11-28 20:55:28,564 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-28 20:55:28,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:55:28,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 20:55:28,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:55:28,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:55:30,870 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:55:30,870 INFO L287 CfgBuilder]: Removed 403 assume(true) statements. [2019-11-28 20:55:30,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:55:30 BoogieIcfgContainer [2019-11-28 20:55:30,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:55:30,873 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:55:30,873 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:55:30,877 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:55:30,878 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:55:30,878 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:55:27" (1/3) ... [2019-11-28 20:55:30,879 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3523b2f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:55:30, skipping insertion in model container [2019-11-28 20:55:30,880 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:55:30,880 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:55:28" (2/3) ... [2019-11-28 20:55:30,880 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3523b2f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:55:30, skipping insertion in model container [2019-11-28 20:55:30,881 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:55:30,881 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:55:30" (3/3) ... [2019-11-28 20:55:30,882 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec1_product33.cil.c [2019-11-28 20:55:30,983 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:55:30,984 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:55:30,984 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:55:30,984 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:55:30,984 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:55:30,984 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:55:30,984 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:55:30,984 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:55:31,029 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 591 states. [2019-11-28 20:55:31,085 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 216 [2019-11-28 20:55:31,085 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:55:31,085 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:55:31,095 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:55:31,095 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:55:31,096 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:55:31,096 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 591 states. [2019-11-28 20:55:31,111 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 216 [2019-11-28 20:55:31,111 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:55:31,111 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:55:31,113 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:55:31,114 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:55:31,120 INFO L794 eck$LassoCheckResult]: Stem: 354#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string0.base, #t~string0.offset, 1);call write~init~int(115, #t~string0.base, 1 + #t~string0.offset, 1);call write~init~int(10, #t~string0.base, 2 + #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 3 + #t~string0.offset, 1);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(10);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(10);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(18);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(16);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(13);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(16);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(10);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(16);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(20);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(22);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(21);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(13);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(44);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(44);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(9);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(9);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(11);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(19);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string132.base, #t~string132.offset, 1);call write~init~int(100, #t~string132.base, 1 + #t~string132.offset, 1);call write~init~int(10, #t~string132.base, 2 + #t~string132.offset, 1);call write~init~int(0, #t~string132.base, 3 + #t~string132.offset, 1);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string135.base, #t~string135.offset, 1);call write~init~int(100, #t~string135.base, 1 + #t~string135.offset, 1);call write~init~int(10, #t~string135.base, 2 + #t~string135.offset, 1);call write~init~int(0, #t~string135.base, 3 + #t~string135.offset, 1);~__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;~head~0.base, ~head~0.offset := 0, 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~mail_is_sensitive~0 := -1;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0; 263#L-1true havoc main_#res;havoc main_#t~ret127, main_~retValue_acc~32, main_~tmp~24;havoc main_~retValue_acc~32;havoc main_~tmp~24; 528#L845true 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; 115#L853true main_#t~ret127 := valid_product_#res;main_~tmp~24 := main_#t~ret127;havoc main_#t~ret127; 505#L2508true assume 0 != main_~tmp~24;havoc setup_#t~nondet122, setup_#t~nondet124, setup_#t~nondet126, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 126#L2350true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 355#L2356-2true 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; 402#L1915true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 116#L1921-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string121.base, #t~string121.offset;havoc setup_#t~nondet122;~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; 132#L2350-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 364#L2356-5true 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; 387#L1915-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 95#L1921-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string123.base, #t~string123.offset;havoc setup_#t~nondet124;~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; 133#L2350-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 341#L2356-8true 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; 390#L1915-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 77#L1921-8true setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string125.base, #t~string125.offset;havoc setup_#t~nondet126; 471#L2495true havoc test_#t~nondet66, 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_~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~8, test_~tmp___0~3, test_~tmp___1~1, 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~8;havoc test_~tmp___0~3;havoc test_~tmp___1~1;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; 589#L789-1true [2019-11-28 20:55:31,121 INFO L796 eck$LassoCheckResult]: Loop: 589#L789-1true assume !false; 227#L641true assume test_~splverifierCounter~0 < 4; 58#L642true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 268#L648true assume !(0 == test_~op1~0); 296#L661true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet67;havoc test_#t~nondet67; 96#L666true 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; 422#L1868true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 243#L1874-2true test_~op2~0 := 1; 589#L789-1true [2019-11-28 20:55:31,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:55:31,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-28 20:55:31,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:55:31,139 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151978351] [2019-11-28 20:55:31,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:55:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:55:31,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:55:31,572 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151978351] [2019-11-28 20:55:31,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:55:31,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:55:31,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734350631] [2019-11-28 20:55:31,583 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 20:55:31,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:55:31,584 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2019-11-28 20:55:31,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:55:31,585 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045981966] [2019-11-28 20:55:31,585 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:55:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:55:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:55:31,636 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:55:31,722 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:55:31,723 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:55:31,723 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:55:31,723 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:55:31,723 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:55:31,723 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:55:31,724 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:55:31,724 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:55:31,724 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product33.cil.c_Iteration1_Loop [2019-11-28 20:55:31,724 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:55:31,725 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:55:31,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:55:31,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:55:31,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:55:31,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:55:31,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:55:31,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:55:31,917 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:55:31,918 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) [2019-11-28 20:55:31,926 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:55:31,926 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 [2019-11-28 20:55:31,938 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:55:31,939 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_#in~value=1, ULTIMATE.start_setClientAutoResponse_~value=1} Honda state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_#in~value=1, ULTIMATE.start_setClientAutoResponse_~value=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 [2019-11-28 20:55:31,961 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:55:31,962 INFO L160 nArgumentSynthesizer]: Using integer mode. 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) [2019-11-28 20:55:32,018 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:55:32,019 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:55:32,035 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:55:32,038 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:55:32,038 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:55:32,038 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:55:32,039 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:55:32,039 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:55:32,039 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:55:32,039 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:55:32,039 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:55:32,040 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product33.cil.c_Iteration1_Loop [2019-11-28 20:55:32,040 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:55:32,040 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:55:32,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:55:32,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:55:32,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:55:32,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:55:32,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:55:32,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:55:32,294 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:55:32,301 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2019-11-28 20:55:32,313 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 [2019-11-28 20:55:32,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:55:32,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:55:32,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:55:32,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:55:32,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:55:32,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:55:32,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:55:32,329 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:55:32,337 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 20:55:32,337 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:55:32,351 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:55:32,352 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:55:32,352 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:55:32,353 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:55:32,359 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 20:55:32,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:55:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:55:32,565 INFO L264 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:55:32,571 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:55:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:55:32,610 INFO L264 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:55:32,611 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:55:32,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:55:32,667 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 [2019-11-28 20:55:32,668 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 591 states. Second operand 5 states. [2019-11-28 20:55:32,864 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 591 states.. Second operand 5 states. Result 1503 states and 2572 transitions. Complement of second has 7 states. [2019-11-28 20:55:32,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 20:55:32,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 20:55:32,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1600 transitions. [2019-11-28 20:55:32,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1600 transitions. Stem has 18 letters. Loop has 8 letters. [2019-11-28 20:55:32,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:55:32,874 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1600 transitions. Stem has 26 letters. Loop has 8 letters. [2019-11-28 20:55:32,875 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:55:32,875 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1600 transitions. Stem has 18 letters. Loop has 16 letters. [2019-11-28 20:55:32,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:55:32,878 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1503 states and 2572 transitions. [2019-11-28 20:55:32,903 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:55:32,907 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1503 states to 0 states and 0 transitions. [2019-11-28 20:55:32,908 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:55:32,908 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:55:32,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:55:32,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:55:32,909 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:55:32,910 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:55:32,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:55:32,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 20:55:32,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 20:55:32,915 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-11-28 20:55:32,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:55:32,919 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-28 20:55:32,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 20:55:32,920 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-28 20:55:32,920 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:55:32,920 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 20:55:32,920 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:55:32,920 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:55:32,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:55:32,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:55:32,921 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:55:32,921 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:55:32,921 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:55:32,921 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:55:32,921 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:55:32,921 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:55:32,922 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 20:55:32,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:55:32 BoogieIcfgContainer [2019-11-28 20:55:32,929 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:55:32,930 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:55:32,930 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:55:32,931 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:55:32,931 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:55:30" (3/4) ... [2019-11-28 20:55:32,935 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:55:32,936 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:55:32,939 INFO L168 Benchmark]: Toolchain (without parser) took 5816.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.1 MB). Free memory was 956.3 MB in the beginning and 973.8 MB in the end (delta: -17.5 MB). Peak memory consumption was 179.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:55:32,940 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:55:32,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1071.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 78.1 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -58.9 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:55:32,944 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2019-11-28 20:55:32,945 INFO L168 Benchmark]: Boogie Preprocessor took 135.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 994.2 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:55:32,946 INFO L168 Benchmark]: RCFGBuilder took 2377.35 ms. Allocated memory is still 1.1 GB. Free memory was 994.2 MB in the beginning and 736.0 MB in the end (delta: 258.2 MB). Peak memory consumption was 258.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:55:32,948 INFO L168 Benchmark]: BuchiAutomizer took 2056.26 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 119.0 MB). Free memory was 736.0 MB in the beginning and 973.8 MB in the end (delta: -237.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:55:32,953 INFO L168 Benchmark]: Witness Printer took 5.36 ms. Allocated memory is still 1.2 GB. Free memory is still 973.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:55:32,966 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1071.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 78.1 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -58.9 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 164.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 135.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 994.2 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2377.35 ms. Allocated memory is still 1.1 GB. Free memory was 994.2 MB in the beginning and 736.0 MB in the end (delta: 258.2 MB). Peak memory consumption was 258.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2056.26 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 119.0 MB). Free memory was 736.0 MB in the beginning and 973.8 MB in the end (delta: -237.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 5.36 ms. Allocated memory is still 1.2 GB. Free memory is still 973.8 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 2.0s 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: 1017 SDtfs, 1017 SDslu, 1930 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: 49ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 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...