./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec6_product34.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_spec6_product34.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 8e41dc7a8890a883eba305c82168245f7ad27831 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:22:16,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 19:22:16,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 19:22:16,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 19:22:16,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 19:22:16,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 19:22:16,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 19:22:16,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 19:22:16,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 19:22:16,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 19:22:16,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 19:22:16,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 19:22:16,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 19:22:16,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 19:22:16,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 19:22:16,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 19:22:16,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 19:22:16,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 19:22:16,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 19:22:16,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 19:22:16,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 19:22:16,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 19:22:16,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 19:22:16,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 19:22:16,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 19:22:16,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 19:22:16,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 19:22:16,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 19:22:16,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 19:22:16,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 19:22:16,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 19:22:16,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 19:22:16,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 19:22:16,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 19:22:16,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 19:22:16,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 19:22:16,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 19:22:16,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 19:22:16,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 19:22:16,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 19:22:16,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 19:22:16,572 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 19:22:16,620 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 19:22:16,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 19:22:16,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 19:22:16,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 19:22:16,623 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 19:22:16,624 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 19:22:16,624 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 19:22:16,624 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 19:22:16,624 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 19:22:16,625 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 19:22:16,626 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 19:22:16,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 19:22:16,626 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 19:22:16,627 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 19:22:16,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 19:22:16,628 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 19:22:16,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 19:22:16,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 19:22:16,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 19:22:16,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 19:22:16,629 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 19:22:16,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 19:22:16,629 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 19:22:16,630 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 19:22:16,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 19:22:16,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 19:22:16,631 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 19:22:16,631 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 19:22:16,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 19:22:16,631 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 19:22:16,632 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 19:22:16,632 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 19:22:16,634 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 19:22:16,634 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 -> 8e41dc7a8890a883eba305c82168245f7ad27831 [2020-10-19 19:22:16,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 19:22:17,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 19:22:17,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 19:22:17,009 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 19:22:17,009 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 19:22:17,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product34.cil.c [2020-10-19 19:22:17,063 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6814bad74/85a514b1eff84e3f86de3e6918ca6c39/FLAG7b5f3d61e [2020-10-19 19:22:17,655 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 19:22:17,656 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product34.cil.c [2020-10-19 19:22:17,679 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6814bad74/85a514b1eff84e3f86de3e6918ca6c39/FLAG7b5f3d61e [2020-10-19 19:22:17,848 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6814bad74/85a514b1eff84e3f86de3e6918ca6c39 [2020-10-19 19:22:17,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 19:22:17,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 19:22:17,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 19:22:17,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 19:22:17,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 19:22:17,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:22:17" (1/1) ... [2020-10-19 19:22:17,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b5e1a77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:17, skipping insertion in model container [2020-10-19 19:22:17,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:22:17" (1/1) ... [2020-10-19 19:22:17,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 19:22:17,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 19:22:18,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:22:18,743 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 19:22:18,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:22:18,989 INFO L208 MainTranslator]: Completed translation [2020-10-19 19:22:18,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:18 WrapperNode [2020-10-19 19:22:18,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 19:22:18,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 19:22:18,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 19:22:18,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 19:22:19,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:18" (1/1) ... [2020-10-19 19:22:19,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:18" (1/1) ... [2020-10-19 19:22:19,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 19:22:19,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 19:22:19,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 19:22:19,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 19:22:19,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:18" (1/1) ... [2020-10-19 19:22:19,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:18" (1/1) ... [2020-10-19 19:22:19,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:18" (1/1) ... [2020-10-19 19:22:19,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:18" (1/1) ... [2020-10-19 19:22:19,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:18" (1/1) ... [2020-10-19 19:22:19,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:18" (1/1) ... [2020-10-19 19:22:19,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:18" (1/1) ... [2020-10-19 19:22:19,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 19:22:19,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 19:22:19,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 19:22:19,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 19:22:19,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:18" (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 19:22:19,545 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-19 19:22:19,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 19:22:19,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 19:22:19,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 19:22:19,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 19:22:23,246 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 19:22:23,247 INFO L298 CfgBuilder]: Removed 897 assume(true) statements. [2020-10-19 19:22:23,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:22:23 BoogieIcfgContainer [2020-10-19 19:22:23,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 19:22:23,251 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 19:22:23,251 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 19:22:23,254 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 19:22:23,255 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:22:23,256 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 07:22:17" (1/3) ... [2020-10-19 19:22:23,257 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@aa3d8af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:22:23, skipping insertion in model container [2020-10-19 19:22:23,257 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:22:23,257 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:22:18" (2/3) ... [2020-10-19 19:22:23,258 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@aa3d8af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:22:23, skipping insertion in model container [2020-10-19 19:22:23,258 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:22:23,258 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:22:23" (3/3) ... [2020-10-19 19:22:23,260 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec6_product34.cil.c [2020-10-19 19:22:23,305 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 19:22:23,306 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 19:22:23,306 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 19:22:23,306 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 19:22:23,306 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 19:22:23,306 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 19:22:23,306 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 19:22:23,306 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 19:22:23,345 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1308 states. [2020-10-19 19:22:23,430 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2020-10-19 19:22:23,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:22:23,430 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:22:23,441 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 19:22:23,441 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-19 19:22:23,442 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 19:22:23,442 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1308 states. [2020-10-19 19:22:23,459 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2020-10-19 19:22:23,460 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:22:23,460 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:22:23,465 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 19:22:23,465 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-19 19:22:23,481 INFO L794 eck$LassoCheckResult]: Stem: 449#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(19);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(16);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(19);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(10);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(34);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(16);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(20);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string54.base, #t~string54.offset, 1);call write~init~int(115, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(10, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(9);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(21);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(30);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(9);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(21);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(25);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(25);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(10);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(12);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(10);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(18);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(16);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(21);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(13);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(16);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(25);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(44);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(44);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(9);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(9);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(11);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(19);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string140.base, #t~string140.offset, 1);call write~init~int(100, #t~string140.base, 1 + #t~string140.offset, 1);call write~init~int(10, #t~string140.base, 2 + #t~string140.offset, 1);call write~init~int(0, #t~string140.base, 3 + #t~string140.offset, 1);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string143.base, #t~string143.offset, 1);call write~init~int(100, #t~string143.base, 1 + #t~string143.offset, 1);call write~init~int(10, #t~string143.base, 2 + #t~string143.offset, 1);call write~init~int(0, #t~string143.base, 3 + #t~string143.offset, 1);~__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;~sent_encrypted~0 := -1;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 362#L-1true havoc main_#res;havoc main_#t~ret135, main_~retValue_acc~43, main_~tmp~22;havoc main_~retValue_acc~43;havoc main_~tmp~22; 1084#L77true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 635#L85true main_#t~ret135 := valid_product_#res;main_~tmp~22 := main_#t~ret135;havoc main_#t~ret135; 850#L2721true assume 0 != main_~tmp~22;havoc setup_#t~nondet130, setup_#t~nondet132, setup_#t~nondet134, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.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_tmp3~4.base, setup_~__cil_tmp3~4.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; 566#L2552true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 55#L2558-2true 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; 290#L2117true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 1014#L2123-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string129.base, #t~string129.offset;havoc setup_#t~nondet130;~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; 571#L2552-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 40#L2558-5true 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; 270#L2117-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 1018#L2123-5true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string131.base, #t~string131.offset;havoc setup_#t~nondet132;~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; 412#L2552-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 45#L2558-8true 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; 276#L2117-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 1003#L2123-8true setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string133.base, #t~string133.offset;havoc setup_#t~nondet134; 468#L2708true havoc test_#t~nondet150, test_#t~nondet151, test_#t~nondet152, test_#t~nondet153, test_#t~nondet154, test_#t~nondet155, test_#t~nondet156, test_#t~nondet157, test_#t~nondet158, test_#t~nondet159, test_#t~nondet160, 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~24, test_~tmp___0~10, test_~tmp___1~6, test_~tmp___2~4, test_~tmp___3~1, test_~tmp___4~1, 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~24;havoc test_~tmp___0~10;havoc test_~tmp___1~6;havoc test_~tmp___2~4;havoc test_~tmp___3~1;havoc test_~tmp___4~1;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; 553#L3056-1true [2020-10-19 19:22:23,481 INFO L796 eck$LassoCheckResult]: Loop: 553#L3056-1true assume !false; 202#L2908true assume test_~splverifierCounter~0 < 4; 319#L2909true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 1243#L2915true assume !(0 == test_~op1~0); 487#L2928true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet151;havoc test_#t~nondet151; 22#L2933true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 553#L3056-1true [2020-10-19 19:22:23,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:22:23,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2020-10-19 19:22:23,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:22:23,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027411061] [2020-10-19 19:22:23,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:22:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:22:23,892 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 19:22:23,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027411061] [2020-10-19 19:22:23,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 19:22:23,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 19:22:23,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918301411] [2020-10-19 19:22:23,900 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 19:22:23,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:22:23,901 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2020-10-19 19:22:23,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:22:23,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119672279] [2020-10-19 19:22:23,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:22:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:22:23,912 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:22:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:22:23,918 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:22:23,956 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:22:24,009 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:22:24,010 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:22:24,010 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:22:24,011 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:22:24,011 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-19 19:22:24,011 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:22:24,011 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:22:24,011 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:22:24,012 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product34.cil.c_Iteration1_Loop [2020-10-19 19:22:24,012 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:22:24,012 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:22:24,035 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 19:22:24,047 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 19:22:24,054 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 19:22:24,061 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 19:22:24,145 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:22:24,146 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:22:24,153 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:22:24,154 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:22:24,213 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 19:22:24,213 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 19:22:24,219 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:22:24,253 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:22:24,254 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:22:24,254 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:22:24,254 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:22:24,254 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 19:22:24,254 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:22:24,255 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:22:24,255 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:22:24,255 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product34.cil.c_Iteration1_Loop [2020-10-19 19:22:24,255 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:22:24,256 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:22:24,257 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 19:22:24,264 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 19:22:24,271 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 19:22:24,278 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 19:22:24,357 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:22:24,363 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 19:22:24,372 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 19:22:24,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:22:24,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:22:24,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:22:24,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:22:24,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:22:24,380 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:22:24,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:22:24,387 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 19:22:24,394 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-19 19:22:24,394 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 19:22:24,400 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 19:22:24,400 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-19 19:22:24,401 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 19:22:24,402 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 19:22:24,475 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-19 19:22:24,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:22:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:22:24,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 19:22:24,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:22:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:22:24,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 19:22:24,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:22:24,846 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 19:22:24,866 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 19:22:24,869 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1308 states. Second operand 4 states. [2020-10-19 19:22:25,459 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1308 states.. Second operand 4 states. Result 6146 states and 10498 transitions. Complement of second has 7 states. [2020-10-19 19:22:25,460 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 19:22:25,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-19 19:22:25,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6140 transitions. [2020-10-19 19:22:25,479 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6140 transitions. Stem has 18 letters. Loop has 6 letters. [2020-10-19 19:22:25,481 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:22:25,481 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6140 transitions. Stem has 24 letters. Loop has 6 letters. [2020-10-19 19:22:25,482 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:22:25,482 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6140 transitions. Stem has 18 letters. Loop has 12 letters. [2020-10-19 19:22:25,482 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:22:25,483 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6146 states and 10498 transitions. [2020-10-19 19:22:25,560 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 509 [2020-10-19 19:22:25,580 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6146 states to 1051 states and 1924 transitions. [2020-10-19 19:22:25,581 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 540 [2020-10-19 19:22:25,584 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 541 [2020-10-19 19:22:25,585 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1051 states and 1924 transitions. [2020-10-19 19:22:25,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 19:22:25,594 INFO L691 BuchiCegarLoop]: Abstraction has 1051 states and 1924 transitions. [2020-10-19 19:22:25,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states and 1924 transitions. [2020-10-19 19:22:25,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 542. [2020-10-19 19:22:25,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2020-10-19 19:22:25,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 989 transitions. [2020-10-19 19:22:25,680 INFO L714 BuchiCegarLoop]: Abstraction has 542 states and 989 transitions. [2020-10-19 19:22:25,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 19:22:25,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 19:22:25,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 19:22:25,685 INFO L87 Difference]: Start difference. First operand 542 states and 989 transitions. Second operand 3 states. [2020-10-19 19:22:25,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 19:22:25,743 INFO L93 Difference]: Finished difference Result 1064 states and 1943 transitions. [2020-10-19 19:22:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 19:22:25,744 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1064 states and 1943 transitions. [2020-10-19 19:22:25,752 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 510 [2020-10-19 19:22:25,761 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1064 states to 1064 states and 1943 transitions. [2020-10-19 19:22:25,761 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 552 [2020-10-19 19:22:25,762 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 552 [2020-10-19 19:22:25,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1064 states and 1943 transitions. [2020-10-19 19:22:25,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-19 19:22:25,762 INFO L691 BuchiCegarLoop]: Abstraction has 1064 states and 1943 transitions. [2020-10-19 19:22:25,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states and 1943 transitions. [2020-10-19 19:22:25,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 541. [2020-10-19 19:22:25,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2020-10-19 19:22:25,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 985 transitions. [2020-10-19 19:22:25,774 INFO L714 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2020-10-19 19:22:25,774 INFO L594 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2020-10-19 19:22:25,774 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 19:22:25,774 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 541 states and 985 transitions. [2020-10-19 19:22:25,777 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2020-10-19 19:22:25,777 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:22:25,778 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:22:25,779 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 19:22:25,779 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:22:25,780 INFO L794 eck$LassoCheckResult]: Stem: 9534#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(19);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(16);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(19);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(10);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(34);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(16);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(20);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string54.base, #t~string54.offset, 1);call write~init~int(115, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(10, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(9);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(21);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(30);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(9);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(21);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(25);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(25);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(10);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(12);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(10);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(18);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(16);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(21);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(13);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(16);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(25);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(44);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(44);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(9);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(9);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(11);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(19);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string140.base, #t~string140.offset, 1);call write~init~int(100, #t~string140.base, 1 + #t~string140.offset, 1);call write~init~int(10, #t~string140.base, 2 + #t~string140.offset, 1);call write~init~int(0, #t~string140.base, 3 + #t~string140.offset, 1);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string143.base, #t~string143.offset, 1);call write~init~int(100, #t~string143.base, 1 + #t~string143.offset, 1);call write~init~int(10, #t~string143.base, 2 + #t~string143.offset, 1);call write~init~int(0, #t~string143.base, 3 + #t~string143.offset, 1);~__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;~sent_encrypted~0 := -1;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 9171#L-1 havoc main_#res;havoc main_#t~ret135, main_~retValue_acc~43, main_~tmp~22;havoc main_~retValue_acc~43;havoc main_~tmp~22; 9172#L77 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 9549#L85 main_#t~ret135 := valid_product_#res;main_~tmp~22 := main_#t~ret135;havoc main_#t~ret135; 9653#L2721 assume 0 != main_~tmp~22;havoc setup_#t~nondet130, setup_#t~nondet132, setup_#t~nondet134, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.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_tmp3~4.base, setup_~__cil_tmp3~4.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; 9654#L2552 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 9374#L2558-2 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; 9418#L2117 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 9377#L2123-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string129.base, #t~string129.offset;havoc setup_#t~nondet130;~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; 9378#L2552-2 assume !(1 == setClientId_~handle); 9677#L2555-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 9312#L2558-5 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; 9313#L2117-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 9400#L2123-5 setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string131.base, #t~string131.offset;havoc setup_#t~nondet132;~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; 9405#L2552-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 9327#L2558-8 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; 9338#L2117-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 9310#L2123-8 setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string133.base, #t~string133.offset;havoc setup_#t~nondet134; 9311#L2708 havoc test_#t~nondet150, test_#t~nondet151, test_#t~nondet152, test_#t~nondet153, test_#t~nondet154, test_#t~nondet155, test_#t~nondet156, test_#t~nondet157, test_#t~nondet158, test_#t~nondet159, test_#t~nondet160, 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~24, test_~tmp___0~10, test_~tmp___1~6, test_~tmp___2~4, test_~tmp___3~1, test_~tmp___4~1, 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~24;havoc test_~tmp___0~10;havoc test_~tmp___1~6;havoc test_~tmp___2~4;havoc test_~tmp___3~1;havoc test_~tmp___4~1;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; 9606#L3056-1 assume !false; 9657#L2908 [2020-10-19 19:22:25,780 INFO L796 eck$LassoCheckResult]: Loop: 9657#L2908 assume test_~splverifierCounter~0 < 4; 9658#L2909 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 9696#L2915 assume !(0 == test_~op1~0); 9645#L2928 assume !(0 == test_~op2~0); 9212#L2939 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet152;havoc test_#t~nondet152; 9216#L2944 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; 9218#L2117-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 9315#L2123-11 test_~op3~0 := 1; 9265#L3056-1 assume !false; 9657#L2908 [2020-10-19 19:22:25,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:22:25,780 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2020-10-19 19:22:25,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:22:25,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991768335] [2020-10-19 19:22:25,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:22:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:22:25,911 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 19:22:25,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991768335] [2020-10-19 19:22:25,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 19:22:25,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-19 19:22:25,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798967748] [2020-10-19 19:22:25,913 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 19:22:25,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:22:25,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2020-10-19 19:22:25,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:22:25,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961083651] [2020-10-19 19:22:25,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:22:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:22:25,931 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:22:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:22:25,938 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:22:25,962 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:22:26,022 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:22:26,022 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:22:26,022 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:22:26,022 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:22:26,023 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-19 19:22:26,023 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:22:26,023 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:22:26,023 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:22:26,023 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product34.cil.c_Iteration2_Loop [2020-10-19 19:22:26,023 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:22:26,023 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:22:26,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:22:26,031 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 19:22:26,034 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 19:22:26,042 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 19:22:26,050 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 19:22:26,053 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 19:22:26,059 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 19:22:26,175 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:22:26,175 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 19:22:26,179 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:22:26,179 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 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:22:26,218 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 19:22:26,219 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:22:26,252 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-19 19:22:26,257 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:22:26,258 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:22:26,260 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:22:26,260 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:22:26,260 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 19:22:26,260 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:22:26,261 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:22:26,261 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:22:26,261 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product34.cil.c_Iteration2_Loop [2020-10-19 19:22:26,261 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:22:26,261 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:22:26,262 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 19:22:26,269 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 19:22:26,274 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 19:22:26,277 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 19:22:26,280 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 19:22:26,286 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 19:22:26,295 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 19:22:26,429 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:22:26,429 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:22:26,436 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 19:22:26,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:22:26,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:22:26,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:22:26,438 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-19 19:22:26,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:22:26,441 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 19:22:26,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:22:26,445 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:22:26,489 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 19:22:26,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:22:26,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:22:26,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:22:26,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:22:26,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:22:26,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:22:26,495 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 19:22:26,498 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 19:22:26,536 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-19 19:22:26,536 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:22:26,538 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 19:22:26,538 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-19 19:22:26,539 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 19:22:26,539 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2020-10-19 19:22:26,559 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-19 19:22:26,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:22:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:22:26,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 19:22:26,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:22:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:22:26,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 19:22:26,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:22:26,788 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 19:22:26,789 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 19:22:26,789 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446 Second operand 4 states. [2020-10-19 19:22:26,830 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446. Second operand 4 states. Result 1055 states and 1929 transitions. Complement of second has 6 states. [2020-10-19 19:22:26,831 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 19:22:26,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-19 19:22:26,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2020-10-19 19:22:26,832 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 9 letters. [2020-10-19 19:22:26,832 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:22:26,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 29 letters. Loop has 9 letters. [2020-10-19 19:22:26,833 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:22:26,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 18 letters. [2020-10-19 19:22:26,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:22:26,834 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1055 states and 1929 transitions. [2020-10-19 19:22:26,843 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:22:26,843 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1055 states to 0 states and 0 transitions. [2020-10-19 19:22:26,843 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 19:22:26,844 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 19:22:26,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 19:22:26,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:22:26,844 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:22:26,844 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:22:26,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 19:22:26,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 19:22:26,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 19:22:26,845 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2020-10-19 19:22:26,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 19:22:26,845 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-19 19:22:26,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-19 19:22:26,846 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-19 19:22:26,846 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:22:26,846 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 19:22:26,846 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 19:22:26,846 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 19:22:26,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 19:22:26,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:22:26,846 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:22:26,847 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:22:26,847 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:22:26,847 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-19 19:22:26,847 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 19:22:26,847 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:22:26,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 19:22:26,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 07:22:26 BoogieIcfgContainer [2020-10-19 19:22:26,854 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 19:22:26,854 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 19:22:26,854 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 19:22:26,854 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 19:22:26,855 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:22:23" (3/4) ... [2020-10-19 19:22:26,859 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 19:22:26,859 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 19:22:26,862 INFO L168 Benchmark]: Toolchain (without parser) took 9006.99 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 326.1 MB). Free memory was 954.5 MB in the beginning and 958.2 MB in the end (delta: -3.7 MB). Peak memory consumption was 322.4 MB. Max. memory is 11.5 GB. [2020-10-19 19:22:26,862 INFO L168 Benchmark]: CDTParser took 0.26 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 19:22:26,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1129.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 954.5 MB in the beginning and 1.1 GB in the end (delta: -125.2 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2020-10-19 19:22:26,864 INFO L168 Benchmark]: Boogie Procedure Inliner took 258.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2020-10-19 19:22:26,865 INFO L168 Benchmark]: Boogie Preprocessor took 211.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2020-10-19 19:22:26,866 INFO L168 Benchmark]: RCFGBuilder took 3788.11 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 116.4 MB). Free memory was 1.0 GB in the beginning and 960.1 MB in the end (delta: 78.5 MB). Peak memory consumption was 258.6 MB. Max. memory is 11.5 GB. [2020-10-19 19:22:26,867 INFO L168 Benchmark]: BuchiAutomizer took 3603.09 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 68.7 MB). Free memory was 960.1 MB in the beginning and 967.6 MB in the end (delta: -7.5 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. [2020-10-19 19:22:26,868 INFO L168 Benchmark]: Witness Printer took 4.63 ms. Allocated memory is still 1.4 GB. Free memory was 967.6 MB in the beginning and 958.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2020-10-19 19:22:26,873 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 1129.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 954.5 MB in the beginning and 1.1 GB in the end (delta: -125.2 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 258.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 211.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3788.11 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 116.4 MB). Free memory was 1.0 GB in the beginning and 960.1 MB in the end (delta: 78.5 MB). Peak memory consumption was 258.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3603.09 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 68.7 MB). Free memory was 960.1 MB in the beginning and 967.6 MB in the end (delta: -7.5 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.63 ms. Allocated memory is still 1.4 GB. Free memory was 967.6 MB in the beginning and 958.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1032 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 541 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5909 SDtfs, 5407 SDslu, 7943 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: 15ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...