./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec3_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/email_spec3_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 f63e0211da514e953ac3f3c729d88c43811b55ba ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 07:14:46,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 07:14:46,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 07:14:46,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 07:14:46,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 07:14:46,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 07:14:46,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 07:14:46,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 07:14:46,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 07:14:46,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 07:14:46,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 07:14:46,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 07:14:46,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 07:14:46,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 07:14:46,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 07:14:46,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 07:14:46,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 07:14:46,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 07:14:46,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 07:14:46,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 07:14:46,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 07:14:46,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 07:14:46,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 07:14:46,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 07:14:46,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 07:14:46,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 07:14:46,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 07:14:46,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 07:14:46,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 07:14:46,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 07:14:46,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 07:14:46,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 07:14:46,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 07:14:46,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 07:14:46,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 07:14:46,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 07:14:46,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 07:14:46,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 07:14:46,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 07:14:46,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 07:14:46,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 07:14:46,169 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 07:14:46,222 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 07:14:46,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 07:14:46,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 07:14:46,227 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 07:14:46,227 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 07:14:46,228 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 07:14:46,228 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 07:14:46,229 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 07:14:46,229 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 07:14:46,229 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 07:14:46,230 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 07:14:46,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 07:14:46,231 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 07:14:46,231 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 07:14:46,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 07:14:46,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 07:14:46,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 07:14:46,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 07:14:46,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 07:14:46,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 07:14:46,233 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 07:14:46,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 07:14:46,233 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 07:14:46,234 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 07:14:46,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 07:14:46,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 07:14:46,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 07:14:46,235 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 07:14:46,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 07:14:46,235 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 07:14:46,235 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 07:14:46,236 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 07:14:46,237 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 07:14:46,237 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 -> f63e0211da514e953ac3f3c729d88c43811b55ba [2020-10-20 07:14:46,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 07:14:46,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 07:14:46,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 07:14:46,580 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 07:14:46,580 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 07:14:46,581 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec3_product34.cil.c [2020-10-20 07:14:46,659 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b892a35d/169c4d7399c24882a8ddc1e58db31bfe/FLAGff225462a [2020-10-20 07:14:47,459 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 07:14:47,460 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product34.cil.c [2020-10-20 07:14:47,499 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b892a35d/169c4d7399c24882a8ddc1e58db31bfe/FLAGff225462a [2020-10-20 07:14:47,661 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b892a35d/169c4d7399c24882a8ddc1e58db31bfe [2020-10-20 07:14:47,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 07:14:47,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 07:14:47,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 07:14:47,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 07:14:47,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 07:14:47,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:14:47" (1/1) ... [2020-10-20 07:14:47,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@649a699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:47, skipping insertion in model container [2020-10-20 07:14:47,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:14:47" (1/1) ... [2020-10-20 07:14:47,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 07:14:47,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 07:14:48,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:14:48,541 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 07:14:48,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:14:48,781 INFO L208 MainTranslator]: Completed translation [2020-10-20 07:14:48,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:48 WrapperNode [2020-10-20 07:14:48,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 07:14:48,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 07:14:48,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 07:14:48,783 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 07:14:48,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:48" (1/1) ... [2020-10-20 07:14:48,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:48" (1/1) ... [2020-10-20 07:14:49,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 07:14:49,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 07:14:49,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 07:14:49,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 07:14:49,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:48" (1/1) ... [2020-10-20 07:14:49,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:48" (1/1) ... [2020-10-20 07:14:49,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:48" (1/1) ... [2020-10-20 07:14:49,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:48" (1/1) ... [2020-10-20 07:14:49,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:48" (1/1) ... [2020-10-20 07:14:49,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:48" (1/1) ... [2020-10-20 07:14:49,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:48" (1/1) ... [2020-10-20 07:14:49,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 07:14:49,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 07:14:49,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 07:14:49,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 07:14:49,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-20 07:14:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 07:14:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 07:14:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 07:14:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 07:14:53,577 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 07:14:53,578 INFO L298 CfgBuilder]: Removed 933 assume(true) statements. [2020-10-20 07:14:53,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:14:53 BoogieIcfgContainer [2020-10-20 07:14:53,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 07:14:53,582 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 07:14:53,582 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 07:14:53,586 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 07:14:53,587 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:14:53,588 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 07:14:47" (1/3) ... [2020-10-20 07:14:53,589 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ffb7680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:14:53, skipping insertion in model container [2020-10-20 07:14:53,589 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:14:53,589 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:48" (2/3) ... [2020-10-20 07:14:53,590 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ffb7680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:14:53, skipping insertion in model container [2020-10-20 07:14:53,590 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:14:53,590 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:14:53" (3/3) ... [2020-10-20 07:14:53,592 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec3_product34.cil.c [2020-10-20 07:14:53,637 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 07:14:53,638 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 07:14:53,638 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 07:14:53,638 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 07:14:53,638 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 07:14:53,638 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 07:14:53,639 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 07:14:53,639 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 07:14:53,677 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1380 states. [2020-10-20 07:14:53,766 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2020-10-20 07:14:53,767 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:14:53,767 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:14:53,778 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:14:53,779 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-20 07:14:53,779 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 07:14:53,779 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1380 states. [2020-10-20 07:14:53,802 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2020-10-20 07:14:53,803 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:14:53,803 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:14:53,812 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:14:53,812 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-20 07:14:53,828 INFO L794 eck$LassoCheckResult]: Stem: 511#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(16);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(15);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(16);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(44);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(44);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(11);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(19);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string38.base, #t~string38.offset, 1);call write~init~int(100, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(10, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 3 + #t~string38.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string41.base, #t~string41.offset, 1);call write~init~int(100, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(10, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 3 + #t~string41.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(10);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(34);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(16);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(20);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(21);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(10);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(12);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(10);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(18);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(16);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(21);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(13);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(16);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(25);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string114.base, #t~string114.offset, 1);call write~init~int(115, #t~string114.base, 1 + #t~string114.offset, 1);call write~init~int(10, #t~string114.base, 2 + #t~string114.offset, 1);call write~init~int(0, #t~string114.base, 3 + #t~string114.offset, 1);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(30);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(9);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(21);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(30);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(9);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(21);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(30);call #t~string155.base, #t~string155.offset := #Ultimate.allocOnStack(9);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(25);call #t~string157.base, #t~string157.offset := #Ultimate.allocOnStack(30);call #t~string158.base, #t~string158.offset := #Ultimate.allocOnStack(9);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~sent_signed~0 := -1;~bob~0 := 0;~rjh~0 := 0;~chuck~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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 384#L-1true havoc main_#res;havoc main_#t~ret33, main_~retValue_acc~0, main_~tmp~2;havoc main_~retValue_acc~0;havoc main_~tmp~2; 299#L1941true havoc valid_product_#res;havoc valid_product_~retValue_acc~24;havoc valid_product_~retValue_acc~24;valid_product_~retValue_acc~24 := 1;valid_product_#res := valid_product_~retValue_acc~24; 1146#L1949true main_#t~ret33 := valid_product_#res;main_~tmp~2 := main_#t~ret33;havoc main_#t~ret33; 49#L290true assume 0 != main_~tmp~2;havoc setup_#t~nondet28, setup_#t~nondet30, setup_#t~nondet32, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 954#L1488true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 681#L1494-2true 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; 587#L1053true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 356#L1059-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string27.base, #t~string27.offset;havoc setup_#t~nondet28;~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; 944#L1488-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 686#L1494-5true 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; 588#L1053-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 343#L1059-5true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string29.base, #t~string29.offset;havoc setup_#t~nondet30;~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; 946#L1488-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 667#L1494-8true 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; 576#L1053-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 349#L1059-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string31.base, #t~string31.offset;havoc setup_#t~nondet32; 951#L277true havoc test_#t~nondet116, test_#t~nondet117, test_#t~nondet118, test_#t~nondet119, test_#t~nondet120, test_#t~nondet121, test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, test_#t~nondet126, 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~21, test_~tmp___0~10, test_~tmp___1~6, test_~tmp___2~5, 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~21;havoc test_~tmp___0~10;havoc test_~tmp___1~6;havoc test_~tmp___2~5;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; 769#L2305-1true [2020-10-20 07:14:53,829 INFO L796 eck$LassoCheckResult]: Loop: 769#L2305-1true assume !false; 372#L2157true assume test_~splverifierCounter~0 < 4; 500#L2158true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 1288#L2164true assume !(0 == test_~op1~0); 676#L2177true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet117;havoc test_#t~nondet117; 363#L2182true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 769#L2305-1true [2020-10-20 07:14:53,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:14:53,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2020-10-20 07:14:53,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:14:53,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649378756] [2020-10-20 07:14:53,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:14:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:14:54,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:14:54,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649378756] [2020-10-20 07:14:54,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:14:54,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 07:14:54,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363984192] [2020-10-20 07:14:54,266 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:14:54,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:14:54,267 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2020-10-20 07:14:54,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:14:54,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356133611] [2020-10-20 07:14:54,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:14:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:14:54,280 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:14:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:14:54,287 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:14:54,332 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:14:54,389 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:14:54,390 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:14:54,390 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:14:54,391 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:14:54,391 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 07:14:54,391 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:54,392 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:14:54,392 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:14:54,392 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_product34.cil.c_Iteration1_Loop [2020-10-20 07:14:54,393 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:14:54,393 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:14:54,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:54,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:54,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:54,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:54,535 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:14:54,535 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:14:54,542 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:14:54,543 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:54,595 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:14:54,595 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:14:54,601 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 07:14:54,633 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:14:54,633 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:14:54,633 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:14:54,634 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:14:54,634 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:14:54,634 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:54,634 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:14:54,634 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:14:54,634 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_product34.cil.c_Iteration1_Loop [2020-10-20 07:14:54,634 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:14:54,635 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:14:54,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:54,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:54,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:54,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:54,774 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:14:54,780 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:54,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:14:54,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:14:54,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:14:54,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:14:54,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:14:54,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:14:54,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:14:54,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:14:54,816 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:14:54,841 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 07:14:54,842 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:54,899 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:14:54,899 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 07:14:54,900 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:14:54,901 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2020-10-20 07:14:54,958 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 07:14:55,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:14:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:14:55,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:14:55,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:14:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:14:55,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 07:14:55,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:14:55,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:14:55,365 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-20 07:14:55,366 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1380 states. Second operand 4 states. [2020-10-20 07:14:55,912 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1380 states.. Second operand 4 states. Result 6482 states and 11092 transitions. Complement of second has 7 states. [2020-10-20 07:14:55,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 07:14:55,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 07:14:55,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6506 transitions. [2020-10-20 07:14:55,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6506 transitions. Stem has 18 letters. Loop has 6 letters. [2020-10-20 07:14:55,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:14:55,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6506 transitions. Stem has 24 letters. Loop has 6 letters. [2020-10-20 07:14:55,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:14:55,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6506 transitions. Stem has 18 letters. Loop has 12 letters. [2020-10-20 07:14:55,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:14:55,929 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6482 states and 11092 transitions. [2020-10-20 07:14:55,998 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 509 [2020-10-20 07:14:56,014 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6482 states to 1051 states and 1924 transitions. [2020-10-20 07:14:56,016 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 540 [2020-10-20 07:14:56,018 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 541 [2020-10-20 07:14:56,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1051 states and 1924 transitions. [2020-10-20 07:14:56,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:14:56,023 INFO L691 BuchiCegarLoop]: Abstraction has 1051 states and 1924 transitions. [2020-10-20 07:14:56,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states and 1924 transitions. [2020-10-20 07:14:56,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 542. [2020-10-20 07:14:56,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2020-10-20 07:14:56,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 989 transitions. [2020-10-20 07:14:56,084 INFO L714 BuchiCegarLoop]: Abstraction has 542 states and 989 transitions. [2020-10-20 07:14:56,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:14:56,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 07:14:56,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 07:14:56,090 INFO L87 Difference]: Start difference. First operand 542 states and 989 transitions. Second operand 3 states. [2020-10-20 07:14:56,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:14:56,137 INFO L93 Difference]: Finished difference Result 1064 states and 1943 transitions. [2020-10-20 07:14:56,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 07:14:56,139 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1064 states and 1943 transitions. [2020-10-20 07:14:56,147 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 510 [2020-10-20 07:14:56,155 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1064 states to 1064 states and 1943 transitions. [2020-10-20 07:14:56,156 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 552 [2020-10-20 07:14:56,157 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 552 [2020-10-20 07:14:56,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1064 states and 1943 transitions. [2020-10-20 07:14:56,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:14:56,158 INFO L691 BuchiCegarLoop]: Abstraction has 1064 states and 1943 transitions. [2020-10-20 07:14:56,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states and 1943 transitions. [2020-10-20 07:14:56,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 541. [2020-10-20 07:14:56,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2020-10-20 07:14:56,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 985 transitions. [2020-10-20 07:14:56,577 INFO L714 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2020-10-20 07:14:56,577 INFO L594 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2020-10-20 07:14:56,577 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 07:14:56,577 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 541 states and 985 transitions. [2020-10-20 07:14:56,581 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2020-10-20 07:14:56,581 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:14:56,581 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:14:56,583 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:14:56,583 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:14:56,584 INFO L794 eck$LassoCheckResult]: Stem: 9899#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(16);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(15);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(16);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(44);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(44);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(11);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(19);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string38.base, #t~string38.offset, 1);call write~init~int(100, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(10, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 3 + #t~string38.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string41.base, #t~string41.offset, 1);call write~init~int(100, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(10, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 3 + #t~string41.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(10);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(34);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(16);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(20);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(21);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(10);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(12);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(10);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(18);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(16);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(21);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(13);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(16);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(25);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string114.base, #t~string114.offset, 1);call write~init~int(115, #t~string114.base, 1 + #t~string114.offset, 1);call write~init~int(10, #t~string114.base, 2 + #t~string114.offset, 1);call write~init~int(0, #t~string114.base, 3 + #t~string114.offset, 1);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(30);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(9);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(21);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(30);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(9);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(21);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(30);call #t~string155.base, #t~string155.offset := #Ultimate.allocOnStack(9);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(25);call #t~string157.base, #t~string157.offset := #Ultimate.allocOnStack(30);call #t~string158.base, #t~string158.offset := #Ultimate.allocOnStack(9);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~sent_signed~0 := -1;~bob~0 := 0;~rjh~0 := 0;~chuck~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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 9610#L-1 havoc main_#res;havoc main_#t~ret33, main_~retValue_acc~0, main_~tmp~2;havoc main_~retValue_acc~0;havoc main_~tmp~2; 9611#L1941 havoc valid_product_#res;havoc valid_product_~retValue_acc~24;havoc valid_product_~retValue_acc~24;valid_product_~retValue_acc~24 := 1;valid_product_#res := valid_product_~retValue_acc~24; 9880#L1949 main_#t~ret33 := valid_product_#res;main_~tmp~2 := main_#t~ret33;havoc main_#t~ret33; 9772#L290 assume 0 != main_~tmp~2;havoc setup_#t~nondet28, setup_#t~nondet30, setup_#t~nondet32, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 9773#L1488 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 9979#L1494-2 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; 10039#L1053 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 9594#L1059-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string27.base, #t~string27.offset;havoc setup_#t~nondet28;~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; 10023#L1488-2 assume !(1 == setClientId_~handle); 9992#L1491-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 9993#L1494-5 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; 10040#L1053-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 9982#L1059-5 setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string29.base, #t~string29.offset;havoc setup_#t~nondet30;~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; 10028#L1488-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 10011#L1494-8 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; 10022#L1053-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 9997#L1059-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string31.base, #t~string31.offset;havoc setup_#t~nondet32; 10037#L277 havoc test_#t~nondet116, test_#t~nondet117, test_#t~nondet118, test_#t~nondet119, test_#t~nondet120, test_#t~nondet121, test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, test_#t~nondet126, 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~21, test_~tmp___0~10, test_~tmp___1~6, test_~tmp___2~5, 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~21;havoc test_~tmp___0~10;havoc test_~tmp___1~6;havoc test_~tmp___2~5;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; 10038#L2305-1 assume !false; 9579#L2157 [2020-10-20 07:14:56,584 INFO L796 eck$LassoCheckResult]: Loop: 9579#L2157 assume test_~splverifierCounter~0 < 4; 9580#L2158 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 9883#L2164 assume !(0 == test_~op1~0); 9575#L2177 assume !(0 == test_~op2~0); 10095#L2188 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet118;havoc test_#t~nondet118; 10096#L2193 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; 10026#L1053-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 10015#L1059-11 test_~op3~0 := 1; 9662#L2305-1 assume !false; 9579#L2157 [2020-10-20 07:14:56,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:14:56,585 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2020-10-20 07:14:56,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:14:56,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369321622] [2020-10-20 07:14:56,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:14:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:14:56,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:14:56,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369321622] [2020-10-20 07:14:56,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:14:56,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 07:14:56,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927848621] [2020-10-20 07:14:56,744 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:14:56,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:14:56,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2020-10-20 07:14:56,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:14:56,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693092935] [2020-10-20 07:14:56,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:14:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:14:56,754 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:14:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:14:56,759 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:14:56,770 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:14:56,829 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:14:56,829 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:14:56,829 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:14:56,829 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:14:56,829 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 07:14:56,830 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:56,830 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:14:56,830 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:14:56,830 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_product34.cil.c_Iteration2_Loop [2020-10-20 07:14:56,830 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:14:56,830 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:14:56,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:56,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:56,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:56,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:56,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:56,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:56,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:57,057 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:14:57,058 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:57,070 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:14:57,070 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:14:57,078 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:14:57,078 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Honda state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:57,129 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:14:57,129 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:57,194 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:14:57,194 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:14:57,246 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 07:14:57,250 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:14:57,251 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:14:57,251 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:14:57,251 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:14:57,251 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:14:57,251 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:57,251 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:14:57,252 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:14:57,252 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_product34.cil.c_Iteration2_Loop [2020-10-20 07:14:57,253 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:14:57,253 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:14:57,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:57,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:57,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:57,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:57,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:57,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:57,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:57,452 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:14:57,452 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:14:57,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:14:57,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:14:57,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:14:57,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:14:57,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:14:57,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:14:57,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:14:57,479 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 [2020-10-20 07:14:57,483 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:14:57,487 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 07:14:57,487 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 [2020-10-20 07:14:57,500 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:14:57,500 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 07:14:57,500 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:14:57,500 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2020-10-20 07:14:57,538 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 07:14:57,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:14:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:14:57,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:14:57,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:14:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:14:57,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 07:14:57,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:14:57,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:14:57,834 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-10-20 07:14:57,834 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446 Second operand 4 states. [2020-10-20 07:14:57,902 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. [2020-10-20 07:14:57,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 07:14:57,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 07:14:57,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2020-10-20 07:14:57,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 9 letters. [2020-10-20 07:14:57,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:14:57,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 29 letters. Loop has 9 letters. [2020-10-20 07:14:57,906 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:14:57,906 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 18 letters. [2020-10-20 07:14:57,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:14:57,907 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1055 states and 1929 transitions. [2020-10-20 07:14:57,917 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:14:57,918 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1055 states to 0 states and 0 transitions. [2020-10-20 07:14:57,918 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:14:57,918 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:14:57,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:14:57,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:14:57,918 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:14:57,918 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:14:57,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:14:57,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 07:14:57,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 07:14:57,922 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2020-10-20 07:14:57,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:14:57,922 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-20 07:14:57,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 07:14:57,923 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-20 07:14:57,923 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:14:57,923 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 07:14:57,923 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:14:57,923 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:14:57,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:14:57,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:14:57,924 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:14:57,924 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:14:57,924 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:14:57,924 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 07:14:57,924 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 07:14:57,924 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:14:57,925 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 07:14:57,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 07:14:57 BoogieIcfgContainer [2020-10-20 07:14:57,935 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 07:14:57,938 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 07:14:57,938 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 07:14:57,939 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 07:14:57,940 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:14:53" (3/4) ... [2020-10-20 07:14:57,944 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 07:14:57,944 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 07:14:57,947 INFO L168 Benchmark]: Toolchain (without parser) took 10279.16 ms. Allocated memory was 40.4 MB in the beginning and 145.2 MB in the end (delta: 104.9 MB). Free memory was 14.8 MB in the beginning and 76.0 MB in the end (delta: -61.1 MB). Peak memory consumption was 43.8 MB. Max. memory is 14.3 GB. [2020-10-20 07:14:57,948 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 30.9 MB. Free memory was 16.9 MB in the beginning and 16.9 MB in the end (delta: 31.2 kB). Peak memory consumption was 31.2 kB. Max. memory is 14.3 GB. [2020-10-20 07:14:57,949 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1108.28 ms. Allocated memory was 40.4 MB in the beginning and 44.6 MB in the end (delta: 4.2 MB). Free memory was 14.0 MB in the beginning and 17.3 MB in the end (delta: -3.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 14.3 GB. [2020-10-20 07:14:57,950 INFO L168 Benchmark]: Boogie Procedure Inliner took 241.40 ms. Allocated memory was 44.6 MB in the beginning and 47.2 MB in the end (delta: 2.6 MB). Free memory was 17.3 MB in the beginning and 10.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 9.2 MB. Max. memory is 14.3 GB. [2020-10-20 07:14:57,952 INFO L168 Benchmark]: Boogie Preprocessor took 206.46 ms. Allocated memory was 47.2 MB in the beginning and 48.2 MB in the end (delta: 1.0 MB). Free memory was 10.8 MB in the beginning and 6.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 6.6 MB. Max. memory is 14.3 GB. [2020-10-20 07:14:57,953 INFO L168 Benchmark]: RCFGBuilder took 4350.64 ms. Allocated memory was 48.2 MB in the beginning and 104.9 MB in the end (delta: 56.6 MB). Free memory was 6.5 MB in the beginning and 45.0 MB in the end (delta: -38.5 MB). Peak memory consumption was 49.3 MB. Max. memory is 14.3 GB. [2020-10-20 07:14:57,953 INFO L168 Benchmark]: BuchiAutomizer took 4352.61 ms. Allocated memory was 104.9 MB in the beginning and 145.2 MB in the end (delta: 40.4 MB). Free memory was 44.1 MB in the beginning and 76.0 MB in the end (delta: -31.9 MB). Peak memory consumption was 8.5 MB. Max. memory is 14.3 GB. [2020-10-20 07:14:57,954 INFO L168 Benchmark]: Witness Printer took 5.96 ms. Allocated memory is still 145.2 MB. Free memory is still 76.0 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 07:14:57,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 30.9 MB. Free memory was 16.9 MB in the beginning and 16.9 MB in the end (delta: 31.2 kB). Peak memory consumption was 31.2 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1108.28 ms. Allocated memory was 40.4 MB in the beginning and 44.6 MB in the end (delta: 4.2 MB). Free memory was 14.0 MB in the beginning and 17.3 MB in the end (delta: -3.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 241.40 ms. Allocated memory was 44.6 MB in the beginning and 47.2 MB in the end (delta: 2.6 MB). Free memory was 17.3 MB in the beginning and 10.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 9.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 206.46 ms. Allocated memory was 47.2 MB in the beginning and 48.2 MB in the end (delta: 1.0 MB). Free memory was 10.8 MB in the beginning and 6.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 6.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 4350.64 ms. Allocated memory was 48.2 MB in the beginning and 104.9 MB in the end (delta: 56.6 MB). Free memory was 6.5 MB in the beginning and 45.0 MB in the end (delta: -38.5 MB). Peak memory consumption was 49.3 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 4352.61 ms. Allocated memory was 104.9 MB in the beginning and 145.2 MB in the end (delta: 40.4 MB). Free memory was 44.1 MB in the beginning and 76.0 MB in the end (delta: -31.9 MB). Peak memory consumption was 8.5 MB. Max. memory is 14.3 GB. * Witness Printer took 5.96 ms. Allocated memory is still 145.2 MB. Free memory is still 76.0 MB. There was no memory consumed. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.4s 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: 6137 SDtfs, 5636 SDslu, 8285 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 118ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...