./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec7_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab 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_spec7_product29.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 a39a37a9e245195064fb1b0b374b97bc2deffd23 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:24:10,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:24:10,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:24:10,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:24:10,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:24:10,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:24:10,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:24:10,901 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:24:10,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:24:10,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:24:10,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:24:10,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:24:10,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:24:10,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:24:10,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:24:10,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:24:10,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:24:10,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:24:10,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:24:10,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:24:10,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:24:10,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:24:10,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:24:10,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:24:10,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:24:10,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:24:10,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:24:10,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:24:10,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:24:10,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:24:10,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:24:10,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:24:10,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:24:10,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:24:10,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:24:10,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:24:10,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:24:10,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:24:10,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:24:10,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:24:10,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:24:10,937 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:24:10,959 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:24:10,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:24:10,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:24:10,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:24:10,961 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:24:10,962 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:24:10,962 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:24:10,962 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:24:10,962 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:24:10,962 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:24:10,963 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:24:10,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:24:10,963 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:24:10,963 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:24:10,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:24:10,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:24:10,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:24:10,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:24:10,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:24:10,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:24:10,965 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:24:10,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:24:10,965 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:24:10,966 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:24:10,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:24:10,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:24:10,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:24:10,966 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:24:10,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:24:10,967 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:24:10,967 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:24:10,968 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:24:10,968 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 -> a39a37a9e245195064fb1b0b374b97bc2deffd23 [2019-11-28 03:24:11,301 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:24:11,315 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:24:11,320 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:24:11,321 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:24:11,322 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:24:11,323 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec7_product29.cil.c [2019-11-28 03:24:11,394 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c542e809/6e73186903154a34a688f6bf8a2efbcc/FLAG971ab5cb3 [2019-11-28 03:24:12,014 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:24:12,015 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product29.cil.c [2019-11-28 03:24:12,058 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c542e809/6e73186903154a34a688f6bf8a2efbcc/FLAG971ab5cb3 [2019-11-28 03:24:12,258 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c542e809/6e73186903154a34a688f6bf8a2efbcc [2019-11-28 03:24:12,263 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:24:12,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:24:12,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:24:12,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:24:12,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:24:12,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:24:12" (1/1) ... [2019-11-28 03:24:12,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad64629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:12, skipping insertion in model container [2019-11-28 03:24:12,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:24:12" (1/1) ... [2019-11-28 03:24:12,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:24:12,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:24:13,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:24:13,210 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:24:13,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:24:13,429 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:24:13,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:13 WrapperNode [2019-11-28 03:24:13,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:24:13,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:24:13,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:24:13,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:24:13,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:13" (1/1) ... [2019-11-28 03:24:13,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:13" (1/1) ... [2019-11-28 03:24:13,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:24:13,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:24:13,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:24:13,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:24:13,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:13" (1/1) ... [2019-11-28 03:24:13,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:13" (1/1) ... [2019-11-28 03:24:13,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:13" (1/1) ... [2019-11-28 03:24:13,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:13" (1/1) ... [2019-11-28 03:24:13,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:13" (1/1) ... [2019-11-28 03:24:13,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:13" (1/1) ... [2019-11-28 03:24:13,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:13" (1/1) ... [2019-11-28 03:24:13,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:24:13,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:24:13,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:24:13,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:24:13,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:13" (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 03:24:13,857 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-28 03:24:13,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:24:13,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:24:13,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:24:13,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:24:16,843 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:24:16,844 INFO L297 CfgBuilder]: Removed 617 assume(true) statements. [2019-11-28 03:24:16,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:24:16 BoogieIcfgContainer [2019-11-28 03:24:16,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:24:16,847 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:24:16,847 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:24:16,851 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:24:16,852 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:24:16,852 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:24:12" (1/3) ... [2019-11-28 03:24:16,854 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59dd2a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:24:16, skipping insertion in model container [2019-11-28 03:24:16,854 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:24:16,854 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:13" (2/3) ... [2019-11-28 03:24:16,854 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59dd2a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:24:16, skipping insertion in model container [2019-11-28 03:24:16,854 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:24:16,855 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:24:16" (3/3) ... [2019-11-28 03:24:16,856 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec7_product29.cil.c [2019-11-28 03:24:16,900 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:24:16,900 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:24:16,901 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:24:16,901 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:24:16,901 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:24:16,901 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:24:16,901 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:24:16,901 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:24:16,942 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 986 states. [2019-11-28 03:24:17,025 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2019-11-28 03:24:17,029 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:24:17,029 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:24:17,040 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 03:24:17,040 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:24:17,040 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:24:17,040 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 986 states. [2019-11-28 03:24:17,054 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2019-11-28 03:24:17,055 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:24:17,055 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:24:17,057 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 03:24:17,057 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:24:17,064 INFO L794 eck$LassoCheckResult]: Stem: 307#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(44);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(44);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(9);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(9);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(11);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(19);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string18.base, #t~string18.offset, 1);call write~init~int(100, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(10, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string21.base, #t~string21.offset, 1);call write~init~int(100, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(10, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);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~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);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~string75.base, #t~string75.offset := #Ultimate.allocOnStack(10);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(34);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(30);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(16);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(20);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(10);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(12);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(10);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(18);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(16);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(21);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(13);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(16);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(25);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string137.base, #t~string137.offset, 1);call write~init~int(115, #t~string137.base, 1 + #t~string137.offset, 1);call write~init~int(10, #t~string137.base, 2 + #t~string137.offset, 1);call write~init~int(0, #t~string137.base, 3 + #t~string137.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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0; 262#L-1true havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 388#L2990true havoc valid_product_#res;havoc valid_product_~retValue_acc~43;havoc valid_product_~retValue_acc~43;valid_product_~retValue_acc~43 := 1;valid_product_#res := valid_product_~retValue_acc~43; 175#L2998true main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 238#L222true assume 0 != main_~tmp~1;havoc setup_#t~nondet8, setup_#t~nondet10, setup_#t~nondet12, 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; 272#L2399true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 103#L2405-2true 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; 21#L1964true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 842#L1970-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string7.base, #t~string7.offset;havoc setup_#t~nondet8;~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; 265#L2399-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 111#L2405-5true 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; 22#L1964-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 822#L1970-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~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; 266#L2399-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 94#L2405-8true 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; 13#L1964-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 829#L1970-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 792#L209true havoc test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, 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_~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; 528#L919-1true [2019-11-28 03:24:17,065 INFO L796 eck$LassoCheckResult]: Loop: 528#L919-1true assume !false; 55#L774true assume test_~splverifierCounter~0 < 4; 14#L775true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 817#L781true assume !(0 == test_~op1~0); 131#L794true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet64;havoc test_#t~nondet64; 928#L799true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 528#L919-1true [2019-11-28 03:24:17,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:24:17,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-28 03:24:17,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:24:17,082 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76465775] [2019-11-28 03:24:17,082 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:24:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:24:17,485 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 03:24:17,486 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76465775] [2019-11-28 03:24:17,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:24:17,488 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:24:17,489 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738098052] [2019-11-28 03:24:17,494 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:24:17,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:24:17,495 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-11-28 03:24:17,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:24:17,496 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51209062] [2019-11-28 03:24:17,496 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:24:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:24:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:24:17,563 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:24:17,614 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:24:17,615 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:24:17,616 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:24:17,616 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:24:17,616 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:24:17,616 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:17,617 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:24:17,617 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:24:17,618 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_product29.cil.c_Iteration1_Loop [2019-11-28 03:24:17,618 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:24:17,618 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:24:17,642 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 03:24:17,653 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 03:24:17,663 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 03:24:17,669 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 03:24:17,752 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:24:17,753 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 03:24:17,771 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:24:17,771 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:24:17,795 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:24:17,796 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:17,809 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 03:24:17,811 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:24:17,812 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:24:17,812 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:24:17,812 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:24:17,812 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:24:17,812 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:17,812 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:24:17,812 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:24:17,813 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_product29.cil.c_Iteration1_Loop [2019-11-28 03:24:17,813 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:24:17,813 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:24:17,815 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 03:24:17,841 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 03:24:17,848 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 03:24:17,855 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 03:24:17,942 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:24:17,948 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:17,959 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 03:24:17,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:24:17,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:24:17,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:24:17,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:24:17,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:24:17,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:24:17,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:24:17,975 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:24:17,982 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 03:24:17,983 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:18,000 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:24:18,002 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 03:24:18,003 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:24:18,004 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-11-28 03:24:18,009 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 03:24:18,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:24:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:24:18,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:24:18,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:24:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:24:18,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:24:18,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:24:18,442 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 03:24:18,463 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 03:24:18,464 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 986 states. Second operand 4 states. [2019-11-28 03:24:18,890 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 986 states.. Second operand 4 states. Result 4564 states and 7944 transitions. Complement of second has 7 states. [2019-11-28 03:24:18,891 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 03:24:18,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:24:18,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4608 transitions. [2019-11-28 03:24:18,902 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4608 transitions. Stem has 18 letters. Loop has 6 letters. [2019-11-28 03:24:18,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:24:18,913 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4608 transitions. Stem has 24 letters. Loop has 6 letters. [2019-11-28 03:24:18,913 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:24:18,913 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4608 transitions. Stem has 18 letters. Loop has 12 letters. [2019-11-28 03:24:18,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:24:18,915 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4564 states and 7944 transitions. [2019-11-28 03:24:18,985 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 501 [2019-11-28 03:24:19,008 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4564 states to 1035 states and 1896 transitions. [2019-11-28 03:24:19,010 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 532 [2019-11-28 03:24:19,013 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 533 [2019-11-28 03:24:19,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1035 states and 1896 transitions. [2019-11-28 03:24:19,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:24:19,022 INFO L688 BuchiCegarLoop]: Abstraction has 1035 states and 1896 transitions. [2019-11-28 03:24:19,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states and 1896 transitions. [2019-11-28 03:24:19,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 534. [2019-11-28 03:24:19,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2019-11-28 03:24:19,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 975 transitions. [2019-11-28 03:24:19,118 INFO L711 BuchiCegarLoop]: Abstraction has 534 states and 975 transitions. [2019-11-28 03:24:19,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:24:19,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:24:19,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:24:19,124 INFO L87 Difference]: Start difference. First operand 534 states and 975 transitions. Second operand 3 states. [2019-11-28 03:24:19,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:24:19,191 INFO L93 Difference]: Finished difference Result 1048 states and 1915 transitions. [2019-11-28 03:24:19,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 03:24:19,192 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1048 states and 1915 transitions. [2019-11-28 03:24:19,202 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 502 [2019-11-28 03:24:19,212 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1048 states to 1048 states and 1915 transitions. [2019-11-28 03:24:19,212 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 544 [2019-11-28 03:24:19,213 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 544 [2019-11-28 03:24:19,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1048 states and 1915 transitions. [2019-11-28 03:24:19,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:24:19,214 INFO L688 BuchiCegarLoop]: Abstraction has 1048 states and 1915 transitions. [2019-11-28 03:24:19,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states and 1915 transitions. [2019-11-28 03:24:19,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 533. [2019-11-28 03:24:19,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2019-11-28 03:24:19,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 971 transitions. [2019-11-28 03:24:19,231 INFO L711 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2019-11-28 03:24:19,231 INFO L591 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2019-11-28 03:24:19,231 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:24:19,231 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 533 states and 971 transitions. [2019-11-28 03:24:19,235 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2019-11-28 03:24:19,235 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:24:19,235 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:24:19,237 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:24:19,237 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:24:19,238 INFO L794 eck$LassoCheckResult]: Stem: 7460#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(44);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(44);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(9);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(9);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(11);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(19);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string18.base, #t~string18.offset, 1);call write~init~int(100, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(10, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string21.base, #t~string21.offset, 1);call write~init~int(100, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(10, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);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~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);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~string75.base, #t~string75.offset := #Ultimate.allocOnStack(10);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(34);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(30);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(16);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(20);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(10);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(12);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(10);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(18);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(16);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(21);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(13);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(16);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(25);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string137.base, #t~string137.offset, 1);call write~init~int(115, #t~string137.base, 1 + #t~string137.offset, 1);call write~init~int(10, #t~string137.base, 2 + #t~string137.offset, 1);call write~init~int(0, #t~string137.base, 3 + #t~string137.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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0; 7269#L-1 havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 7270#L2990 havoc valid_product_#res;havoc valid_product_~retValue_acc~43;havoc valid_product_~retValue_acc~43;valid_product_~retValue_acc~43 := 1;valid_product_#res := valid_product_~retValue_acc~43; 7757#L2998 main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 7761#L222 assume 0 != main_~tmp~1;havoc setup_#t~nondet8, setup_#t~nondet10, setup_#t~nondet12, 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; 7321#L2399 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7322#L2405-2 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; 7315#L1964 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7316#L1970-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string7.base, #t~string7.offset;havoc setup_#t~nondet8;~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; 7296#L2399-2 assume !(1 == setClientId_~handle); 7297#L2402-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 7627#L2405-5 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; 7318#L1964-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7319#L1970-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~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; 7308#L2399-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7309#L2405-8 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; 7293#L1964-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7294#L1970-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 7452#L209 havoc test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, 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_~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; 7453#L919-1 assume !false; 7434#L774 [2019-11-28 03:24:19,238 INFO L796 eck$LassoCheckResult]: Loop: 7434#L774 assume test_~splverifierCounter~0 < 4; 7298#L775 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 7299#L781 assume !(0 == test_~op1~0); 7426#L794 assume !(0 == test_~op2~0); 7697#L805 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet65;havoc test_#t~nondet65; 7698#L810 assume 0 != test_~tmp___7~0;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := ~rjh~0, 0;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 7302#L1964-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7303#L1970-11 test_~op3~0 := 1; 7256#L919-1 assume !false; 7434#L774 [2019-11-28 03:24:19,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:24:19,239 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-11-28 03:24:19,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:24:19,239 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632176083] [2019-11-28 03:24:19,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:24:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:24:19,322 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 03:24:19,322 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632176083] [2019-11-28 03:24:19,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:24:19,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 03:24:19,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970021665] [2019-11-28 03:24:19,324 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:24:19,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:24:19,325 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-11-28 03:24:19,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:24:19,325 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282355519] [2019-11-28 03:24:19,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:24:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:24:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:24:19,345 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:24:19,555 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2019-11-28 03:24:19,558 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:24:19,559 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:24:19,559 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:24:19,559 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:24:19,559 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:24:19,560 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:19,560 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:24:19,560 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:24:19,560 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_product29.cil.c_Iteration2_Loop [2019-11-28 03:24:19,561 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:24:19,561 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:24:19,563 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 03:24:19,585 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 03:24:19,592 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 03:24:19,596 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 03:24:19,606 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 03:24:19,613 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 03:24:19,617 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 03:24:19,861 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:24:19,861 INFO L404 LassoAnalysis]: Checking for nontermination... 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 03:24:19,867 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:24:19,867 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:19,875 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:24:19,875 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Honda state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:24:19,895 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:24:19,895 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:24:19,915 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:24:19,915 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:19,937 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 03:24:19,940 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:24:19,940 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:24:19,940 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:24:19,940 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:24:19,940 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:24:19,941 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:19,941 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:24:19,941 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:24:19,941 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_product29.cil.c_Iteration2_Loop [2019-11-28 03:24:19,941 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:24:19,941 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:24:19,943 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 03:24:19,954 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 03:24:19,962 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 03:24:19,965 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 03:24:19,969 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 03:24:19,980 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 03:24:19,987 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 03:24:20,117 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:24:20,117 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:24:20,141 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 03:24:20,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:24:20,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:24:20,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:24:20,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:24:20,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:24:20,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:24:20,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:20,148 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:24:20,152 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 03:24:20,153 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 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:20,161 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:24:20,161 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 03:24:20,161 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:24:20,161 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-11-28 03:24:20,171 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 03:24:20,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:24:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:24:20,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:24:20,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:24:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:24:20,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:24:20,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:24:20,404 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 03:24:20,405 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 03:24:20,405 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440 Second operand 4 states. [2019-11-28 03:24:20,442 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440. Second operand 4 states. Result 1039 states and 1901 transitions. Complement of second has 6 states. [2019-11-28 03:24:20,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 03:24:20,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:24:20,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 508 transitions. [2019-11-28 03:24:20,445 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 9 letters. [2019-11-28 03:24:20,446 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:24:20,446 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 29 letters. Loop has 9 letters. [2019-11-28 03:24:20,446 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:24:20,446 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 18 letters. [2019-11-28 03:24:20,447 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:24:20,448 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1901 transitions. [2019-11-28 03:24:20,458 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:24:20,458 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 0 states and 0 transitions. [2019-11-28 03:24:20,459 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:24:20,459 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:24:20,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:24:20,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:24:20,460 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:24:20,460 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:24:20,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:24:20,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 03:24:20,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 03:24:20,461 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-11-28 03:24:20,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:24:20,462 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-28 03:24:20,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 03:24:20,462 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-28 03:24:20,462 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:24:20,463 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 03:24:20,463 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:24:20,463 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:24:20,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:24:20,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:24:20,464 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:24:20,464 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:24:20,464 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:24:20,465 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:24:20,465 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:24:20,465 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:24:20,465 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:24:20,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:24:20 BoogieIcfgContainer [2019-11-28 03:24:20,474 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:24:20,475 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:24:20,475 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:24:20,475 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:24:20,477 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:24:16" (3/4) ... [2019-11-28 03:24:20,481 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:24:20,482 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:24:20,487 INFO L168 Benchmark]: Toolchain (without parser) took 8220.53 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 328.2 MB). Free memory was 952.3 MB in the beginning and 1.2 GB in the end (delta: -211.4 MB). Peak memory consumption was 116.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:24:20,489 INFO L168 Benchmark]: CDTParser took 0.27 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 03:24:20,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1165.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -127.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:24:20,492 INFO L168 Benchmark]: Boogie Procedure Inliner took 216.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:24:20,495 INFO L168 Benchmark]: Boogie Preprocessor took 151.80 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:24:20,501 INFO L168 Benchmark]: RCFGBuilder took 3045.07 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 120.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -61.0 MB). Peak memory consumption was 253.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:24:20,502 INFO L168 Benchmark]: BuchiAutomizer took 3627.36 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -63.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:24:20,503 INFO L168 Benchmark]: Witness Printer took 8.86 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:24:20,521 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 1165.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -127.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 216.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 151.80 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3045.07 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 120.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -61.0 MB). Peak memory consumption was 253.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3627.36 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -63.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. * Witness Printer took 8.86 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1016 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 533 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4866 SDtfs, 4371 SDslu, 6389 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 53ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 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...