./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec9_product12.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/email_spec9_product12.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 08ea3635073fcdc9c4cc386f7843f42ba6a0aa3c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 19:22:55,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 19:22:55,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 19:22:55,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 19:22:55,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 19:22:55,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 19:22:55,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 19:22:55,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 19:22:55,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 19:22:55,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 19:22:55,998 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 19:22:55,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 19:22:56,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 19:22:56,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 19:22:56,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 19:22:56,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 19:22:56,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 19:22:56,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 19:22:56,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 19:22:56,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 19:22:56,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 19:22:56,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 19:22:56,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 19:22:56,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 19:22:56,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 19:22:56,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 19:22:56,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 19:22:56,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 19:22:56,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 19:22:56,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 19:22:56,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 19:22:56,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 19:22:56,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 19:22:56,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 19:22:56,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 19:22:56,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 19:22:56,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 19:22:56,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 19:22:56,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 19:22:56,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 19:22:56,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 19:22:56,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 19:22:56,102 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 19:22:56,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 19:22:56,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 19:22:56,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 19:22:56,105 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 19:22:56,105 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 19:22:56,105 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 19:22:56,105 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 19:22:56,106 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 19:22:56,106 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 19:22:56,107 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 19:22:56,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 19:22:56,108 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 19:22:56,108 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 19:22:56,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 19:22:56,109 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 19:22:56,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 19:22:56,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 19:22:56,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 19:22:56,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 19:22:56,110 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 19:22:56,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 19:22:56,110 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 19:22:56,111 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 19:22:56,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 19:22:56,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 19:22:56,111 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 19:22:56,112 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 19:22:56,112 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 19:22:56,112 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 19:22:56,112 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 19:22:56,113 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 19:22:56,114 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 19:22:56,115 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 -> 08ea3635073fcdc9c4cc386f7843f42ba6a0aa3c [2020-10-19 19:22:56,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 19:22:56,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 19:22:56,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 19:22:56,457 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 19:22:56,458 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 19:22:56,459 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_product12.cil.c [2020-10-19 19:22:56,538 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f5b499cc/4a4c5a0175fb4580a2cdda5888f58041/FLAG4716b4546 [2020-10-19 19:22:57,174 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 19:22:57,175 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product12.cil.c [2020-10-19 19:22:57,195 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f5b499cc/4a4c5a0175fb4580a2cdda5888f58041/FLAG4716b4546 [2020-10-19 19:22:57,387 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f5b499cc/4a4c5a0175fb4580a2cdda5888f58041 [2020-10-19 19:22:57,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 19:22:57,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 19:22:57,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 19:22:57,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 19:22:57,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 19:22:57,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:22:57" (1/1) ... [2020-10-19 19:22:57,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ed9b63a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:57, skipping insertion in model container [2020-10-19 19:22:57,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:22:57" (1/1) ... [2020-10-19 19:22:57,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 19:22:57,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 19:22:58,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:22:58,187 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 19:22:58,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:22:58,457 INFO L208 MainTranslator]: Completed translation [2020-10-19 19:22:58,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:58 WrapperNode [2020-10-19 19:22:58,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 19:22:58,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 19:22:58,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 19:22:58,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 19:22:58,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:58" (1/1) ... [2020-10-19 19:22:58,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:58" (1/1) ... [2020-10-19 19:22:58,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 19:22:58,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 19:22:58,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 19:22:58,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 19:22:58,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:58" (1/1) ... [2020-10-19 19:22:58,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:58" (1/1) ... [2020-10-19 19:22:58,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:58" (1/1) ... [2020-10-19 19:22:58,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:58" (1/1) ... [2020-10-19 19:22:58,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:58" (1/1) ... [2020-10-19 19:22:58,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:58" (1/1) ... [2020-10-19 19:22:58,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:58" (1/1) ... [2020-10-19 19:22:58,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 19:22:58,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 19:22:58,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 19:22:58,712 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 19:22:58,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:22:58,799 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-19 19:22:58,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 19:22:58,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 19:22:58,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 19:22:58,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 19:23:00,816 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 19:23:00,816 INFO L298 CfgBuilder]: Removed 235 assume(true) statements. [2020-10-19 19:23:00,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:23:00 BoogieIcfgContainer [2020-10-19 19:23:00,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 19:23:00,820 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 19:23:00,820 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 19:23:00,824 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 19:23:00,825 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:23:00,825 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 07:22:57" (1/3) ... [2020-10-19 19:23:00,826 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d94fba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:23:00, skipping insertion in model container [2020-10-19 19:23:00,827 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:23:00,827 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:58" (2/3) ... [2020-10-19 19:23:00,828 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d94fba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:23:00, skipping insertion in model container [2020-10-19 19:23:00,828 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:23:00,828 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:23:00" (3/3) ... [2020-10-19 19:23:00,830 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec9_product12.cil.c [2020-10-19 19:23:00,881 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 19:23:00,881 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 19:23:00,881 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 19:23:00,881 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 19:23:00,881 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 19:23:00,882 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 19:23:00,882 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 19:23:00,882 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 19:23:00,909 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 383 states. [2020-10-19 19:23:00,956 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2020-10-19 19:23:00,957 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:23:00,957 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:23:00,968 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:23:00,968 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-19 19:23:00,968 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 19:23:00,968 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 383 states. [2020-10-19 19:23:00,978 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2020-10-19 19:23:00,978 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:23:00,978 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:23:00,980 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:23:00,981 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-19 19:23:00,991 INFO L794 eck$LassoCheckResult]: Stem: 109#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(17);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(17);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(17);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string17.base, #t~string17.offset, 1);call write~init~int(115, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(10, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(10);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(16);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(20);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(44);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(44);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(11);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(19);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string55.base, #t~string55.offset, 1);call write~init~int(100, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(10, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string58.base, #t~string58.offset, 1);call write~init~int(100, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(10, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(30);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(9);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(21);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(30);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(9);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(21);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(30);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(9);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(25);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(30);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(9);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(25);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(10);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(12);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(10);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(18);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(16);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(21);~__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;~in_encrypted~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~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;~bob~0 := 0;~rjh~0 := 0;~chuck~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; 10#L-1true havoc main_#res;havoc main_#t~nondet49, main_#t~ret50, main_~retValue_acc~19, main_~tmp~8;main_~retValue_acc~19 := main_#t~nondet49;havoc main_#t~nondet49;havoc main_~tmp~8; 338#L140true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 115#L148true main_#t~ret50 := valid_product_#res;main_~tmp~8 := main_#t~ret50;havoc main_#t~ret50; 360#L960true assume 0 != main_~tmp~8;havoc setup_#t~nondet44, setup_#t~nondet46, setup_#t~nondet48, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.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; 97#L2615true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 249#L2621-2true 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; 94#L2180true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 247#L2186-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string43.base, #t~string43.offset;havoc setup_#t~nondet44;~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; 107#L2615-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 221#L2621-5true 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; 98#L2180-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 260#L2186-5true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string45.base, #t~string45.offset;havoc setup_#t~nondet46;~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; 83#L2615-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 231#L2621-8true 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; 108#L2180-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 216#L2186-8true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string47.base, #t~string47.offset;havoc setup_#t~nondet48; 86#L947true havoc test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, test_#t~nondet126, test_#t~nondet127, test_#t~nondet128, test_#t~nondet129, test_#t~nondet130, test_#t~nondet131, test_#t~nondet132, 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~18, test_~tmp___0~6, test_~tmp___1~3, test_~tmp___2~2, 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~18;havoc test_~tmp___0~6;havoc test_~tmp___1~3;havoc test_~tmp___2~2;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; 189#L2814-1true [2020-10-19 19:23:00,992 INFO L796 eck$LassoCheckResult]: Loop: 189#L2814-1true assume !false; 383#L2672true assume test_~splverifierCounter~0 < 4; 296#L2673true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 50#L2679true assume !(0 == test_~op1~0); 95#L2692true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet123;havoc test_#t~nondet123; 119#L2697true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 189#L2814-1true [2020-10-19 19:23:01,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:23:01,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2020-10-19 19:23:01,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:23:01,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924059998] [2020-10-19 19:23:01,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:23:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:23:01,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:23:01,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924059998] [2020-10-19 19:23:01,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 19:23:01,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 19:23:01,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398394862] [2020-10-19 19:23:01,423 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 19:23:01,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:23:01,424 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2020-10-19 19:23:01,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:23:01,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384478099] [2020-10-19 19:23:01,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:23:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:23:01,448 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:23:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:23:01,464 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:23:01,515 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:23:01,584 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:23:01,585 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:23:01,585 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:23:01,585 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:23:01,585 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-19 19:23:01,585 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:23:01,586 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:23:01,586 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:23:01,586 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product12.cil.c_Iteration1_Loop [2020-10-19 19:23:01,586 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:23:01,586 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:23:01,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:23:01,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:23:01,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:23:01,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:23:01,741 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:23:01,742 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:23:01,749 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:23:01,750 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:23:01,804 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 19:23:01,804 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:23:01,813 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-19 19:23:01,852 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:23:01,852 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:23:01,852 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:23:01,852 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:23:01,852 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 19:23:01,852 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:23:01,853 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:23:01,853 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:23:01,853 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product12.cil.c_Iteration1_Loop [2020-10-19 19:23:01,853 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:23:01,853 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:23:01,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:23:01,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:23:01,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:23:01,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:23:02,066 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:23:02,072 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:23:02,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:23:02,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:23:02,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:23:02,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:23:02,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:23:02,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:23:02,091 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:23:02,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:23:02,094 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 19:23:02,101 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-19 19:23:02,101 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:23:02,115 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 19:23:02,115 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-19 19:23:02,117 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 19:23:02,117 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 [2020-10-19 19:23:02,155 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-19 19:23:02,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:23:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:23:02,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 19:23:02,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:23:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:23:02,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 19:23:02,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:23:02,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:23:02,493 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 [2020-10-19 19:23:02,495 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 383 states. Second operand 4 states. [2020-10-19 19:23:02,734 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. [2020-10-19 19:23:02,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-19 19:23:02,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-19 19:23:02,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1536 transitions. [2020-10-19 19:23:02,749 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1536 transitions. Stem has 18 letters. Loop has 6 letters. [2020-10-19 19:23:02,751 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:23:02,752 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1536 transitions. Stem has 24 letters. Loop has 6 letters. [2020-10-19 19:23:02,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:23:02,753 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1536 transitions. Stem has 18 letters. Loop has 12 letters. [2020-10-19 19:23:02,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:23:02,754 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1584 states and 2776 transitions. [2020-10-19 19:23:02,781 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 415 [2020-10-19 19:23:02,803 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1584 states to 863 states and 1568 transitions. [2020-10-19 19:23:02,804 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 446 [2020-10-19 19:23:02,808 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 447 [2020-10-19 19:23:02,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 863 states and 1568 transitions. [2020-10-19 19:23:02,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 19:23:02,810 INFO L691 BuchiCegarLoop]: Abstraction has 863 states and 1568 transitions. [2020-10-19 19:23:02,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states and 1568 transitions. [2020-10-19 19:23:02,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 448. [2020-10-19 19:23:02,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2020-10-19 19:23:02,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 811 transitions. [2020-10-19 19:23:02,904 INFO L714 BuchiCegarLoop]: Abstraction has 448 states and 811 transitions. [2020-10-19 19:23:02,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 19:23:02,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 19:23:02,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 19:23:02,910 INFO L87 Difference]: Start difference. First operand 448 states and 811 transitions. Second operand 3 states. [2020-10-19 19:23:02,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 19:23:02,967 INFO L93 Difference]: Finished difference Result 876 states and 1587 transitions. [2020-10-19 19:23:02,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 19:23:02,968 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 876 states and 1587 transitions. [2020-10-19 19:23:02,975 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 416 [2020-10-19 19:23:02,983 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 876 states to 876 states and 1587 transitions. [2020-10-19 19:23:02,983 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 458 [2020-10-19 19:23:02,984 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 458 [2020-10-19 19:23:02,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 876 states and 1587 transitions. [2020-10-19 19:23:02,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 19:23:02,984 INFO L691 BuchiCegarLoop]: Abstraction has 876 states and 1587 transitions. [2020-10-19 19:23:02,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states and 1587 transitions. [2020-10-19 19:23:02,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 447. [2020-10-19 19:23:02,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2020-10-19 19:23:02,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 807 transitions. [2020-10-19 19:23:02,996 INFO L714 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2020-10-19 19:23:02,996 INFO L594 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2020-10-19 19:23:02,996 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 19:23:02,996 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 447 states and 807 transitions. [2020-10-19 19:23:02,999 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2020-10-19 19:23:02,999 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:23:02,999 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:23:03,001 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] [2020-10-19 19:23:03,001 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:23:03,001 INFO L794 eck$LassoCheckResult]: Stem: 3596#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(17);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(17);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(17);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string17.base, #t~string17.offset, 1);call write~init~int(115, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(10, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(10);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(16);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(20);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(44);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(44);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(11);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(19);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string55.base, #t~string55.offset, 1);call write~init~int(100, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(10, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string58.base, #t~string58.offset, 1);call write~init~int(100, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(10, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(30);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(9);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(21);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(30);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(9);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(21);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(30);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(9);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(25);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(30);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(9);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(25);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(10);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(12);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(10);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(18);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(16);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(21);~__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;~in_encrypted~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~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;~bob~0 := 0;~rjh~0 := 0;~chuck~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; 3390#L-1 havoc main_#res;havoc main_#t~nondet49, main_#t~ret50, main_~retValue_acc~19, main_~tmp~8;main_~retValue_acc~19 := main_#t~nondet49;havoc main_#t~nondet49;havoc main_~tmp~8; 3391#L140 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 3611#L148 main_#t~ret50 := valid_product_#res;main_~tmp~8 := main_#t~ret50;havoc main_#t~ret50; 3612#L960 assume 0 != main_~tmp~8;havoc setup_#t~nondet44, setup_#t~nondet46, setup_#t~nondet48, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.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; 3585#L2615 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3586#L2621-2 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; 3579#L2180 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3557#L2186-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string43.base, #t~string43.offset;havoc setup_#t~nondet44;~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; 3591#L2615-2 assume !(1 == setClientId_~handle); 3592#L2618-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 3754#L2621-5 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; 3588#L2180-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3589#L2186-5 setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string45.base, #t~string45.offset;havoc setup_#t~nondet46;~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; 3560#L2615-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3561#L2621-8 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; 3593#L2180-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3594#L2186-8 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string47.base, #t~string47.offset;havoc setup_#t~nondet48; 3569#L947 havoc test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, test_#t~nondet126, test_#t~nondet127, test_#t~nondet128, test_#t~nondet129, test_#t~nondet130, test_#t~nondet131, test_#t~nondet132, 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~18, test_~tmp___0~6, test_~tmp___1~3, test_~tmp___2~2, 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~18;havoc test_~tmp___0~6;havoc test_~tmp___1~3;havoc test_~tmp___2~2;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; 3570#L2814-1 assume !false; 3710#L2672 [2020-10-19 19:23:03,002 INFO L796 eck$LassoCheckResult]: Loop: 3710#L2672 assume test_~splverifierCounter~0 < 4; 3805#L2673 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 3464#L2679 assume !(0 == test_~op1~0); 3466#L2692 assume !(0 == test_~op2~0); 3581#L2703 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet124;havoc test_#t~nondet124; 3598#L2708 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; 3563#L2180-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3564#L2186-11 test_~op3~0 := 1; 3535#L2814-1 assume !false; 3710#L2672 [2020-10-19 19:23:03,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:23:03,002 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2020-10-19 19:23:03,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:23:03,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357613660] [2020-10-19 19:23:03,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:23:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:23:03,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:23:03,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357613660] [2020-10-19 19:23:03,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 19:23:03,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-19 19:23:03,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725515493] [2020-10-19 19:23:03,094 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 19:23:03,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:23:03,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2020-10-19 19:23:03,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:23:03,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747515430] [2020-10-19 19:23:03,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:23:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:23:03,102 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:23:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:23:03,106 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:23:03,114 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:23:03,185 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:23:03,185 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:23:03,185 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:23:03,186 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:23:03,186 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-19 19:23:03,186 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:23:03,186 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:23:03,186 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:23:03,186 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product12.cil.c_Iteration2_Loop [2020-10-19 19:23:03,186 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:23:03,186 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:23:03,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:23:03,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:23:03,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:23:03,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:23:03,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:23:03,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:23:03,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:23:03,359 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:23:03,360 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) [2020-10-19 19:23:03,363 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:23:03,363 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:23:03,371 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-19 19:23:03,371 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet124=-4, ULTIMATE.start_test_~tmp___7~0=-4} Honda state: {ULTIMATE.start_test_#t~nondet124=-4, ULTIMATE.start_test_~tmp___7~0=-4} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:23:03,409 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:23:03,409 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 [2020-10-19 19:23:03,439 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 19:23:03,439 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 19:23:03,468 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-19 19:23:03,470 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:23:03,470 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:23:03,471 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:23:03,471 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:23:03,471 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 19:23:03,471 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:23:03,471 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:23:03,471 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:23:03,471 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product12.cil.c_Iteration2_Loop [2020-10-19 19:23:03,471 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:23:03,471 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:23:03,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:23:03,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:23:03,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:23:03,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:23:03,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:23:03,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:23:03,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:23:03,674 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:23:03,675 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:23:03,683 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 [2020-10-19 19:23:03,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:23:03,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:23:03,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:23:03,686 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-19 19:23:03,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:23:03,688 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 19:23:03,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:23:03,692 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:23:03,730 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 [2020-10-19 19:23:03,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:23:03,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:23:03,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:23:03,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:23:03,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:23:03,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:23:03,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:23:03,736 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 19:23:03,739 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-19 19:23:03,739 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:23:03,750 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 19:23:03,751 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-19 19:23:03,751 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 19:23:03,751 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:23:03,773 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-19 19:23:03,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:23:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:23:03,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 19:23:03,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:23:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:23:04,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 19:23:04,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:23:04,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:23:04,067 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-10-19 19:23:04,067 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362 Second operand 4 states. [2020-10-19 19:23:04,103 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. [2020-10-19 19:23:04,104 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 [2020-10-19 19:23:04,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-19 19:23:04,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 426 transitions. [2020-10-19 19:23:04,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 9 letters. [2020-10-19 19:23:04,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:23:04,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 29 letters. Loop has 9 letters. [2020-10-19 19:23:04,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:23:04,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 18 letters. [2020-10-19 19:23:04,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:23:04,107 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 867 states and 1573 transitions. [2020-10-19 19:23:04,115 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:23:04,115 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 867 states to 0 states and 0 transitions. [2020-10-19 19:23:04,115 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 19:23:04,115 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 19:23:04,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 19:23:04,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:23:04,116 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:23:04,116 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:23:04,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 19:23:04,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 19:23:04,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 19:23:04,117 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2020-10-19 19:23:04,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 19:23:04,117 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-19 19:23:04,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-19 19:23:04,119 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-19 19:23:04,119 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:23:04,119 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 19:23:04,120 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 19:23:04,120 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 19:23:04,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 19:23:04,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:23:04,122 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:23:04,122 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:23:04,122 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:23:04,122 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-19 19:23:04,123 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 19:23:04,123 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:23:04,123 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 19:23:04,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 07:23:04 BoogieIcfgContainer [2020-10-19 19:23:04,131 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 19:23:04,132 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 19:23:04,132 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 19:23:04,132 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 19:23:04,132 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:23:00" (3/4) ... [2020-10-19 19:23:04,135 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 19:23:04,135 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 19:23:04,137 INFO L168 Benchmark]: Toolchain (without parser) took 6744.33 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 237.0 MB). Free memory was 951.9 MB in the beginning and 915.5 MB in the end (delta: 36.4 MB). Peak memory consumption was 273.4 MB. Max. memory is 11.5 GB. [2020-10-19 19:23:04,138 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:23:04,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1060.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -136.6 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. [2020-10-19 19:23:04,140 INFO L168 Benchmark]: Boogie Procedure Inliner took 145.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2020-10-19 19:23:04,141 INFO L168 Benchmark]: Boogie Preprocessor took 105.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:23:04,141 INFO L168 Benchmark]: RCFGBuilder took 2106.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 880.8 MB in the end (delta: 194.3 MB). Peak memory consumption was 194.3 MB. Max. memory is 11.5 GB. [2020-10-19 19:23:04,142 INFO L168 Benchmark]: BuchiAutomizer took 3311.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 100.7 MB). Free memory was 880.8 MB in the beginning and 915.5 MB in the end (delta: -34.7 MB). Peak memory consumption was 66.0 MB. Max. memory is 11.5 GB. [2020-10-19 19:23:04,143 INFO L168 Benchmark]: Witness Printer took 3.58 ms. Allocated memory is still 1.3 GB. Free memory is still 915.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:23:04,148 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1060.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -136.6 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 145.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 105.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2106.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 880.8 MB in the end (delta: 194.3 MB). Peak memory consumption was 194.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3311.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 100.7 MB). Free memory was 880.8 MB in the beginning and 915.5 MB in the end (delta: -34.7 MB). Peak memory consumption was 66.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.58 ms. Allocated memory is still 1.3 GB. Free memory is still 915.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 3.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. 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: unsat Degree: 0 Time: 17ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...