./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec4_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.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_spec4_product13.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 e0698f97232def5e3367609ec753d018d189d445 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 07:14:49,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 07:14:49,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 07:14:49,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 07:14:49,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 07:14:49,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 07:14:49,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 07:14:49,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 07:14:49,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 07:14:49,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 07:14:49,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 07:14:49,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 07:14:49,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 07:14:49,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 07:14:49,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 07:14:49,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 07:14:49,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 07:14:49,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 07:14:49,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 07:14:49,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 07:14:49,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 07:14:49,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 07:14:49,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 07:14:49,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 07:14:49,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 07:14:49,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 07:14:49,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 07:14:49,908 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 07:14:49,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 07:14:49,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 07:14:49,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 07:14:49,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 07:14:49,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 07:14:49,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 07:14:49,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 07:14:49,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 07:14:49,914 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 07:14:49,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 07:14:49,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 07:14:49,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 07:14:49,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 07:14:49,918 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 07:14:49,960 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 07:14:49,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 07:14:49,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 07:14:49,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 07:14:49,962 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 07:14:49,962 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 07:14:49,963 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 07:14:49,963 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 07:14:49,963 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 07:14:49,963 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 07:14:49,964 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 07:14:49,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 07:14:49,964 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 07:14:49,964 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 07:14:49,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 07:14:49,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 07:14:49,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 07:14:49,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 07:14:49,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 07:14:49,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 07:14:49,966 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 07:14:49,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 07:14:49,967 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 07:14:49,967 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 07:14:49,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 07:14:49,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 07:14:49,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 07:14:49,968 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 07:14:49,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 07:14:49,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 07:14:49,969 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 07:14:49,969 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 07:14:49,970 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 07:14:49,970 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 -> e0698f97232def5e3367609ec753d018d189d445 [2020-10-20 07:14:50,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 07:14:50,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 07:14:50,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 07:14:50,192 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 07:14:50,193 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 07:14:50,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product13.cil.c [2020-10-20 07:14:50,264 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29cc054a3/011da600cc9449729a0e9f87eeaba580/FLAG50d5d262d [2020-10-20 07:14:50,892 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 07:14:50,893 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product13.cil.c [2020-10-20 07:14:50,928 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29cc054a3/011da600cc9449729a0e9f87eeaba580/FLAG50d5d262d [2020-10-20 07:14:51,104 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29cc054a3/011da600cc9449729a0e9f87eeaba580 [2020-10-20 07:14:51,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 07:14:51,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 07:14:51,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 07:14:51,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 07:14:51,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 07:14:51,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:14:51" (1/1) ... [2020-10-20 07:14:51,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e5e83ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:51, skipping insertion in model container [2020-10-20 07:14:51,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:14:51" (1/1) ... [2020-10-20 07:14:51,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 07:14:51,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 07:14:51,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:14:51,889 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 07:14:52,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:14:52,095 INFO L208 MainTranslator]: Completed translation [2020-10-20 07:14:52,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:52 WrapperNode [2020-10-20 07:14:52,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 07:14:52,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 07:14:52,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 07:14:52,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 07:14:52,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:52" (1/1) ... [2020-10-20 07:14:52,138 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:52" (1/1) ... [2020-10-20 07:14:52,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 07:14:52,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 07:14:52,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 07:14:52,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 07:14:52,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:52" (1/1) ... [2020-10-20 07:14:52,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:52" (1/1) ... [2020-10-20 07:14:52,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:52" (1/1) ... [2020-10-20 07:14:52,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:52" (1/1) ... [2020-10-20 07:14:52,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:52" (1/1) ... [2020-10-20 07:14:52,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:52" (1/1) ... [2020-10-20 07:14:52,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:52" (1/1) ... [2020-10-20 07:14:52,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 07:14:52,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 07:14:52,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 07:14:52,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 07:14:52,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:52,481 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-20 07:14:52,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 07:14:52,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 07:14:52,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 07:14:52,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 07:14:54,398 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 07:14:54,399 INFO L298 CfgBuilder]: Removed 239 assume(true) statements. [2020-10-20 07:14:54,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:14:54 BoogieIcfgContainer [2020-10-20 07:14:54,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 07:14:54,402 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 07:14:54,402 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 07:14:54,406 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 07:14:54,407 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:14:54,407 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 07:14:51" (1/3) ... [2020-10-20 07:14:54,408 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@534a69b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:14:54, skipping insertion in model container [2020-10-20 07:14:54,409 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:14:54,409 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:52" (2/3) ... [2020-10-20 07:14:54,410 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@534a69b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:14:54, skipping insertion in model container [2020-10-20 07:14:54,410 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:14:54,410 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:14:54" (3/3) ... [2020-10-20 07:14:54,412 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec4_product13.cil.c [2020-10-20 07:14:54,459 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 07:14:54,460 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 07:14:54,460 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 07:14:54,460 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 07:14:54,460 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 07:14:54,460 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 07:14:54,461 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 07:14:54,461 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 07:14:54,486 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 383 states. [2020-10-20 07:14:54,542 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2020-10-20 07:14:54,543 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:14:54,543 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:14:54,555 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:14:54,555 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-20 07:14:54,555 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 07:14:54,555 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 383 states. [2020-10-20 07:14:54,573 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2020-10-20 07:14:54,574 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:14:54,574 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:14:54,580 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:14:54,580 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-20 07:14:54,595 INFO L794 eck$LassoCheckResult]: Stem: 192#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string46.base, #t~string46.offset, 1);call write~init~int(115, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(10, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(44);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(44);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(11);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(19);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string70.base, #t~string70.offset, 1);call write~init~int(100, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(10, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string73.base, #t~string73.offset, 1);call write~init~int(100, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(10, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(10);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(16);call #t~string99.base, #t~string99.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(13);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(16);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~head~0.base, ~head~0.offset := 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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 25#L-1true havoc main_#res;havoc main_#t~nondet64, main_#t~ret65, main_~retValue_acc~23, main_~tmp~7;main_~retValue_acc~23 := main_#t~nondet64;havoc main_#t~nondet64;havoc main_~tmp~7; 382#L492true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 220#L500true main_#t~ret65 := valid_product_#res;main_~tmp~7 := main_#t~ret65;havoc main_#t~ret65; 141#L1740true assume 0 != main_~tmp~7;havoc setup_#t~nondet59, setup_#t~nondet61, setup_#t~nondet63, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.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_tmp3~1.base, setup_~__cil_tmp3~1.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; 125#L1567true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 53#L1573-2true 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; 122#L1132true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 92#L1138-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string58.base, #t~string58.offset;havoc setup_#t~nondet59;~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; 108#L1567-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 70#L1573-5true 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; 127#L1132-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 57#L1138-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string60.base, #t~string60.offset;havoc setup_#t~nondet61;~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; 113#L1567-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 32#L1573-8true 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; 110#L1132-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 76#L1138-8true setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string62.base, #t~string62.offset;havoc setup_#t~nondet63; 102#L1727true havoc test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, test_#t~nondet84, test_#t~nondet85, test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_#t~nondet90, 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~9, test_~tmp___0~3, 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~9;havoc test_~tmp___0~3;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; 256#L2055-1true [2020-10-20 07:14:54,595 INFO L796 eck$LassoCheckResult]: Loop: 256#L2055-1true assume !false; 360#L1913true assume test_~splverifierCounter~0 < 4; 115#L1914true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 73#L1920true assume !(0 == test_~op1~0); 328#L1933true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet81;havoc test_#t~nondet81; 148#L1938true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 256#L2055-1true [2020-10-20 07:14:54,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:14:54,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2020-10-20 07:14:54,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:14:54,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75333067] [2020-10-20 07:14:54,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:14:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:14:55,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:14:55,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75333067] [2020-10-20 07:14:55,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:14:55,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 07:14:55,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31292062] [2020-10-20 07:14:55,016 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:14:55,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:14:55,017 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2020-10-20 07:14:55,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:14:55,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273477268] [2020-10-20 07:14:55,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:14:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:14:55,028 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:14:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:14:55,035 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:14:55,066 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:14:55,124 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:14:55,125 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:14:55,126 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:14:55,126 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:14:55,126 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 07:14:55,126 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:55,127 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:14:55,127 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:14:55,127 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product13.cil.c_Iteration1_Loop [2020-10-20 07:14:55,127 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:14:55,128 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:14:55,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:55,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:55,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:55,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:55,290 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:14:55,291 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:55,304 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:14:55,304 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:55,341 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:14:55,341 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:14:55,355 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 07:14:55,382 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:14:55,382 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:14:55,382 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:14:55,382 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:14:55,383 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:14:55,383 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:55,383 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:14:55,383 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:14:55,383 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product13.cil.c_Iteration1_Loop [2020-10-20 07:14:55,383 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:14:55,383 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:14:55,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:55,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:55,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:55,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:55,574 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:14:55,580 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:14:55,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:14:55,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:14:55,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:14:55,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:14:55,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:14:55,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:14:55,599 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:14:55,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:55,602 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:14:55,610 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 07:14:55,610 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:14:55,628 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:14:55,628 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 07:14:55,629 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:14:55,629 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:55,657 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 07:14:55,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:14:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:14:55,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:14:55,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:14:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:14:55,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 07:14:55,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:14:55,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:14:55,980 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 [2020-10-20 07:14:55,981 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 383 states. Second operand 4 states. [2020-10-20 07:14:56,233 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 383 states.. Second operand 4 states. Result 1584 states and 2776 transitions. Complement of second has 7 states. [2020-10-20 07:14:56,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 07:14:56,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 07:14:56,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1536 transitions. [2020-10-20 07:14:56,240 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1536 transitions. Stem has 18 letters. Loop has 6 letters. [2020-10-20 07:14:56,241 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:14:56,242 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1536 transitions. Stem has 24 letters. Loop has 6 letters. [2020-10-20 07:14:56,242 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:14:56,242 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1536 transitions. Stem has 18 letters. Loop has 12 letters. [2020-10-20 07:14:56,243 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:14:56,244 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1584 states and 2776 transitions. [2020-10-20 07:14:56,260 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 415 [2020-10-20 07:14:56,274 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1584 states to 863 states and 1568 transitions. [2020-10-20 07:14:56,275 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 446 [2020-10-20 07:14:56,276 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 447 [2020-10-20 07:14:56,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 863 states and 1568 transitions. [2020-10-20 07:14:56,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:14:56,278 INFO L691 BuchiCegarLoop]: Abstraction has 863 states and 1568 transitions. [2020-10-20 07:14:56,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states and 1568 transitions. [2020-10-20 07:14:56,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 448. [2020-10-20 07:14:56,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2020-10-20 07:14:56,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 811 transitions. [2020-10-20 07:14:56,348 INFO L714 BuchiCegarLoop]: Abstraction has 448 states and 811 transitions. [2020-10-20 07:14:56,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:14:56,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 07:14:56,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 07:14:56,353 INFO L87 Difference]: Start difference. First operand 448 states and 811 transitions. Second operand 3 states. [2020-10-20 07:14:56,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:14:56,444 INFO L93 Difference]: Finished difference Result 876 states and 1587 transitions. [2020-10-20 07:14:56,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 07:14:56,446 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 876 states and 1587 transitions. [2020-10-20 07:14:56,461 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 416 [2020-10-20 07:14:56,472 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 876 states to 876 states and 1587 transitions. [2020-10-20 07:14:56,472 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 458 [2020-10-20 07:14:56,473 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 458 [2020-10-20 07:14:56,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 876 states and 1587 transitions. [2020-10-20 07:14:56,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:14:56,474 INFO L691 BuchiCegarLoop]: Abstraction has 876 states and 1587 transitions. [2020-10-20 07:14:56,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states and 1587 transitions. [2020-10-20 07:14:56,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 447. [2020-10-20 07:14:56,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2020-10-20 07:14:56,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 807 transitions. [2020-10-20 07:14:56,502 INFO L714 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2020-10-20 07:14:56,502 INFO L594 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2020-10-20 07:14:56,502 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 07:14:56,503 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 447 states and 807 transitions. [2020-10-20 07:14:56,506 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2020-10-20 07:14:56,506 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:14:56,506 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:14:56,508 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:14:56,508 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:14:56,508 INFO L794 eck$LassoCheckResult]: Stem: 3767#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string46.base, #t~string46.offset, 1);call write~init~int(115, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(10, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(44);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(44);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(11);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(19);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string70.base, #t~string70.offset, 1);call write~init~int(100, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(10, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string73.base, #t~string73.offset, 1);call write~init~int(100, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(10, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(10);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(16);call #t~string99.base, #t~string99.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(13);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(16);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~head~0.base, ~head~0.offset := 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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 3480#L-1 havoc main_#res;havoc main_#t~nondet64, main_#t~ret65, main_~retValue_acc~23, main_~tmp~7;main_~retValue_acc~23 := main_#t~nondet64;havoc main_#t~nondet64;havoc main_~tmp~7; 3481#L492 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 3796#L500 main_#t~ret65 := valid_product_#res;main_~tmp~7 := main_#t~ret65;havoc main_#t~ret65; 3691#L1740 assume 0 != main_~tmp~7;havoc setup_#t~nondet59, setup_#t~nondet61, setup_#t~nondet63, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.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_tmp3~1.base, setup_~__cil_tmp3~1.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; 3670#L1567 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3550#L1573-2 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; 3551#L1132 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3615#L1138-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string58.base, #t~string58.offset;havoc setup_#t~nondet59;~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; 3627#L1567-2 assume !(1 == setClientId_~handle); 3654#L1570-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 3592#L1573-5 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; 3593#L1132-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3558#L1138-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string60.base, #t~string60.offset;havoc setup_#t~nondet61;~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; 3559#L1567-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3492#L1573-8 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; 3493#L1132-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3583#L1138-8 setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string62.base, #t~string62.offset;havoc setup_#t~nondet63; 3603#L1727 havoc test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, test_#t~nondet84, test_#t~nondet85, test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_#t~nondet90, 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~9, test_~tmp___0~3, 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~9;havoc test_~tmp___0~3;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; 3647#L2055-1 assume !false; 3809#L1913 [2020-10-20 07:14:56,509 INFO L796 eck$LassoCheckResult]: Loop: 3809#L1913 assume test_~splverifierCounter~0 < 4; 3667#L1914 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 3595#L1920 assume !(0 == test_~op1~0); 3597#L1933 assume !(0 == test_~op2~0); 3713#L1944 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet82;havoc test_#t~nondet82; 3725#L1949 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; 3663#L1132-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3483#L1138-11 test_~op3~0 := 1; 3401#L2055-1 assume !false; 3809#L1913 [2020-10-20 07:14:56,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:14:56,509 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2020-10-20 07:14:56,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:14:56,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537963554] [2020-10-20 07:14:56,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:14:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:14:56,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:14:56,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537963554] [2020-10-20 07:14:56,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:14:56,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 07:14:56,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128909892] [2020-10-20 07:14:56,611 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:14:56,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:14:56,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2020-10-20 07:14:56,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:14:56,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24681284] [2020-10-20 07:14:56,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:14:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:14:56,619 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:14:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:14:56,624 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:14:56,633 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:14:56,698 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:14:56,698 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:14:56,698 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:14:56,699 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:14:56,699 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 07:14:56,699 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:56,699 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:14:56,699 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:14:56,699 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product13.cil.c_Iteration2_Loop [2020-10-20 07:14:56,699 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:14:56,699 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:14:56,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:56,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:56,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:56,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:56,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:56,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:56,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:56,883 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:14:56,883 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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:56,887 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:14:56,887 INFO L160 nArgumentSynthesizer]: Using integer mode. 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) [2020-10-20 07:14:56,940 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:14:56,940 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 [2020-10-20 07:14:56,981 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 07:14:56,985 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:14:56,985 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:14:56,985 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:14:56,985 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:14:56,985 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:14:56,986 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:56,986 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:14:56,986 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:14:56,986 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec4_product13.cil.c_Iteration2_Loop [2020-10-20 07:14:56,986 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:14:56,986 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:14:56,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:57,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:57,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:57,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:57,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:57,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:57,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:57,186 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:14:57,186 INFO L489 LassoAnalysis]: Using template 'affine'. 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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:57,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:14:57,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:14:57,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:14:57,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:14:57,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:14:57,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:14:57,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:14:57,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:14:57,198 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:14:57,201 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 07:14:57,202 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:14:57,205 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:14:57,205 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 07:14:57,205 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:14:57,205 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:57,238 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 07:14:57,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:14:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:14:57,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:14:57,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:14:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:14:57,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 07:14:57,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:14:57,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:14:57,515 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-10-20 07:14:57,515 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362 Second operand 4 states. [2020-10-20 07:14:57,552 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362. Second operand 4 states. Result 867 states and 1573 transitions. Complement of second has 6 states. [2020-10-20 07:14:57,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 07:14:57,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 07:14:57,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 426 transitions. [2020-10-20 07:14:57,553 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 9 letters. [2020-10-20 07:14:57,555 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:14:57,555 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 29 letters. Loop has 9 letters. [2020-10-20 07:14:57,555 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:14:57,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 18 letters. [2020-10-20 07:14:57,559 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:14:57,560 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 867 states and 1573 transitions. [2020-10-20 07:14:57,573 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:14:57,574 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 867 states to 0 states and 0 transitions. [2020-10-20 07:14:57,574 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:14:57,574 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:14:57,575 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:14:57,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:14:57,575 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:14:57,575 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:14:57,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:14:57,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 07:14:57,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 07:14:57,576 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2020-10-20 07:14:57,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:14:57,576 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-20 07:14:57,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 07:14:57,577 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-20 07:14:57,577 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:14:57,577 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 07:14:57,577 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:14:57,577 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:14:57,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:14:57,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:14:57,578 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:14:57,578 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:14:57,578 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:14:57,578 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 07:14:57,578 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 07:14:57,578 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:14:57,578 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 07:14:57,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 07:14:57 BoogieIcfgContainer [2020-10-20 07:14:57,585 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 07:14:57,586 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 07:14:57,586 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 07:14:57,586 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 07:14:57,587 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:14:54" (3/4) ... [2020-10-20 07:14:57,590 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 07:14:57,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 07:14:57,595 INFO L168 Benchmark]: Toolchain (without parser) took 6479.53 ms. Allocated memory was 36.2 MB in the beginning and 94.9 MB in the end (delta: 58.7 MB). Free memory was 7.3 MB in the beginning and 45.0 MB in the end (delta: -37.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 14.3 GB. [2020-10-20 07:14:57,597 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 35.7 MB. Free memory was 14.4 MB in the beginning and 14.3 MB in the end (delta: 47.2 kB). Peak memory consumption was 47.2 kB. Max. memory is 14.3 GB. [2020-10-20 07:14:57,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 966.31 ms. Allocated memory was 38.3 MB in the beginning and 47.7 MB in the end (delta: 9.4 MB). Free memory was 20.2 MB in the beginning and 18.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 21.1 MB. Max. memory is 14.3 GB. [2020-10-20 07:14:57,600 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.62 ms. Allocated memory is still 47.7 MB. Free memory was 18.5 MB in the beginning and 10.7 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 14.3 GB. [2020-10-20 07:14:57,606 INFO L168 Benchmark]: Boogie Preprocessor took 166.25 ms. Allocated memory was 47.7 MB in the beginning and 49.8 MB in the end (delta: 2.1 MB). Free memory was 10.7 MB in the beginning and 22.6 MB in the end (delta: -11.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. [2020-10-20 07:14:57,607 INFO L168 Benchmark]: RCFGBuilder took 2008.77 ms. Allocated memory was 49.8 MB in the beginning and 75.0 MB in the end (delta: 25.2 MB). Free memory was 22.6 MB in the beginning and 31.6 MB in the end (delta: -9.0 MB). Peak memory consumption was 37.0 MB. Max. memory is 14.3 GB. [2020-10-20 07:14:57,608 INFO L168 Benchmark]: BuchiAutomizer took 3183.35 ms. Allocated memory was 75.0 MB in the beginning and 94.9 MB in the end (delta: 19.9 MB). Free memory was 31.6 MB in the beginning and 45.0 MB in the end (delta: -13.4 MB). Peak memory consumption was 6.5 MB. Max. memory is 14.3 GB. [2020-10-20 07:14:57,609 INFO L168 Benchmark]: Witness Printer took 4.38 ms. Allocated memory is still 94.9 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 07:14:57,624 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 35.7 MB. Free memory was 14.4 MB in the beginning and 14.3 MB in the end (delta: 47.2 kB). Peak memory consumption was 47.2 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 966.31 ms. Allocated memory was 38.3 MB in the beginning and 47.7 MB in the end (delta: 9.4 MB). Free memory was 20.2 MB in the beginning and 18.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 21.1 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 129.62 ms. Allocated memory is still 47.7 MB. Free memory was 18.5 MB in the beginning and 10.7 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 166.25 ms. Allocated memory was 47.7 MB in the beginning and 49.8 MB in the end (delta: 2.1 MB). Free memory was 10.7 MB in the beginning and 22.6 MB in the end (delta: -11.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 2008.77 ms. Allocated memory was 49.8 MB in the beginning and 75.0 MB in the end (delta: 25.2 MB). Free memory was 22.6 MB in the beginning and 31.6 MB in the end (delta: -9.0 MB). Peak memory consumption was 37.0 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 3183.35 ms. Allocated memory was 75.0 MB in the beginning and 94.9 MB in the end (delta: 19.9 MB). Free memory was 31.6 MB in the beginning and 45.0 MB in the end (delta: -13.4 MB). Peak memory consumption was 6.5 MB. Max. memory is 14.3 GB. * Witness Printer took 4.38 ms. Allocated memory is still 94.9 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 14.3 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 3.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 844 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 447 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2524 SDtfs, 2112 SDslu, 2999 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: 48ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 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...