./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec3_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1edff557-45ac-4b9a-bcaf-687ce7f0e18d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1edff557-45ac-4b9a-bcaf-687ce7f0e18d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1edff557-45ac-4b9a-bcaf-687ce7f0e18d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1edff557-45ac-4b9a-bcaf-687ce7f0e18d/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec3_product29.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1edff557-45ac-4b9a-bcaf-687ce7f0e18d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1edff557-45ac-4b9a-bcaf-687ce7f0e18d/bin/uautomizer --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 3e3582d50885fab3954063dbc23f7eb9af27e1f8 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:15:39,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:15:39,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:15:39,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:15:39,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:15:39,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:15:39,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:15:39,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:15:39,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:15:39,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:15:39,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:15:39,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:15:39,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:15:39,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:15:39,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:15:39,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:15:39,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:15:39,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:15:39,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:15:39,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:15:39,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:15:39,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:15:39,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:15:39,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:15:39,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:15:39,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:15:39,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:15:39,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:15:39,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:15:39,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:15:39,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:15:39,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:15:39,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:15:39,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:15:39,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:15:39,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:15:39,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:15:39,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:15:39,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:15:39,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:15:39,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:15:39,594 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1edff557-45ac-4b9a-bcaf-687ce7f0e18d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-16 00:15:39,617 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:15:39,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:15:39,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:15:39,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:15:39,620 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:15:39,620 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-16 00:15:39,620 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-16 00:15:39,620 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-16 00:15:39,621 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-16 00:15:39,621 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-16 00:15:39,621 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-16 00:15:39,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:15:39,622 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:15:39,622 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 00:15:39,622 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:15:39,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:15:39,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:15:39,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-16 00:15:39,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-16 00:15:39,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-16 00:15:39,623 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:15:39,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:15:39,624 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-16 00:15:39,624 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:15:39,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-16 00:15:39,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:15:39,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:15:39,625 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-16 00:15:39,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:15:39,626 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:15:39,626 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-16 00:15:39,627 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-16 00:15:39,627 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_1edff557-45ac-4b9a-bcaf-687ce7f0e18d/bin/uautomizer 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 -> 3e3582d50885fab3954063dbc23f7eb9af27e1f8 [2019-11-16 00:15:39,656 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:15:39,667 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:15:39,671 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:15:39,672 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:15:39,672 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:15:39,673 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1edff557-45ac-4b9a-bcaf-687ce7f0e18d/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec3_product29.cil.c [2019-11-16 00:15:39,731 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1edff557-45ac-4b9a-bcaf-687ce7f0e18d/bin/uautomizer/data/7d49b5ca5/0a9a3f275c2741e5abc508b75b85186e/FLAGdafbe24ed [2019-11-16 00:15:40,363 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:15:40,365 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1edff557-45ac-4b9a-bcaf-687ce7f0e18d/sv-benchmarks/c/product-lines/email_spec3_product29.cil.c [2019-11-16 00:15:40,392 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1edff557-45ac-4b9a-bcaf-687ce7f0e18d/bin/uautomizer/data/7d49b5ca5/0a9a3f275c2741e5abc508b75b85186e/FLAGdafbe24ed [2019-11-16 00:15:40,697 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1edff557-45ac-4b9a-bcaf-687ce7f0e18d/bin/uautomizer/data/7d49b5ca5/0a9a3f275c2741e5abc508b75b85186e [2019-11-16 00:15:40,700 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:15:40,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:15:40,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:15:40,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:15:40,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:15:40,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:15:40" (1/1) ... [2019-11-16 00:15:40,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17ed864e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:40, skipping insertion in model container [2019-11-16 00:15:40,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:15:40" (1/1) ... [2019-11-16 00:15:40,721 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:15:40,811 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:15:41,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:15:41,590 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:15:41,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:15:41,825 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:15:41,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:41 WrapperNode [2019-11-16 00:15:41,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:15:41,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:15:41,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:15:41,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:15:41,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:41" (1/1) ... [2019-11-16 00:15:41,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:41" (1/1) ... [2019-11-16 00:15:42,062 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:15:42,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:15:42,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:15:42,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:15:42,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:41" (1/1) ... [2019-11-16 00:15:42,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:41" (1/1) ... [2019-11-16 00:15:42,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:41" (1/1) ... [2019-11-16 00:15:42,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:41" (1/1) ... [2019-11-16 00:15:42,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:41" (1/1) ... [2019-11-16 00:15:42,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:41" (1/1) ... [2019-11-16 00:15:42,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:41" (1/1) ... [2019-11-16 00:15:42,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:15:42,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:15:42,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:15:42,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:15:42,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1edff557-45ac-4b9a-bcaf-687ce7f0e18d/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:15:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-16 00:15:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:15:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-16 00:15:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:15:42,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:15:46,390 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:15:46,390 INFO L284 CfgBuilder]: Removed 665 assume(true) statements. [2019-11-16 00:15:46,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:15:46 BoogieIcfgContainer [2019-11-16 00:15:46,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:15:46,393 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-16 00:15:46,393 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-16 00:15:46,396 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-16 00:15:46,397 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:15:46,397 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:15:40" (1/3) ... [2019-11-16 00:15:46,399 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15bb8372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:15:46, skipping insertion in model container [2019-11-16 00:15:46,399 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:15:46,399 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:15:41" (2/3) ... [2019-11-16 00:15:46,399 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15bb8372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:15:46, skipping insertion in model container [2019-11-16 00:15:46,399 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:15:46,400 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:15:46" (3/3) ... [2019-11-16 00:15:46,401 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec3_product29.cil.c [2019-11-16 00:15:46,450 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-16 00:15:46,450 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-16 00:15:46,450 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-16 00:15:46,451 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:15:46,451 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:15:46,451 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-16 00:15:46,451 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:15:46,451 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-16 00:15:46,490 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1106 states. [2019-11-16 00:15:46,580 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2019-11-16 00:15:46,580 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:15:46,581 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:15:46,591 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:15:46,591 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-16 00:15:46,591 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-16 00:15:46,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1106 states. [2019-11-16 00:15:46,614 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2019-11-16 00:15:46,614 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:15:46,614 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:15:46,616 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:15:46,617 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-16 00:15:46,624 INFO L791 eck$LassoCheckResult]: Stem: 464#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~__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;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(44);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(44);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(11);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(19);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string55.base, #t~string55.offset, 1);call write~init~int(100, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(10, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string58.base, #t~string58.offset, 1);call write~init~int(100, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(10, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);~__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;call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(10);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(12);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(10);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(18);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(16);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(21);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(13);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(16);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(25);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string106.base, #t~string106.offset, 1);call write~init~int(115, #t~string106.base, 1 + #t~string106.offset, 1);call write~init~int(10, #t~string106.base, 2 + #t~string106.offset, 1);call write~init~int(0, #t~string106.base, 3 + #t~string106.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(10);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(34);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(30);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(16);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(20);~sent_signed~0 := -1;call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(13);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(16);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(15);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(16); 346#L-1true havoc main_#res;havoc main_#t~ret50, main_~retValue_acc~20, main_~tmp~6;havoc main_~retValue_acc~20;havoc main_~tmp~6; 760#L2238true havoc valid_product_#res;havoc valid_product_~retValue_acc~33;havoc valid_product_~retValue_acc~33;valid_product_~retValue_acc~33 := 1;valid_product_#res := valid_product_~retValue_acc~33; 466#L2246true main_#t~ret50 := valid_product_#res;main_~tmp~6 := main_#t~ret50;havoc main_#t~ret50; 1053#L1658true assume 0 != main_~tmp~6;havoc setup_#t~nondet45, setup_#t~nondet47, setup_#t~nondet49, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 659#L1468true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 376#L1474-2true 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; 407#L1033true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 18#L1039-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string44.base, #t~string44.offset;havoc setup_#t~nondet45;~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; 660#L1468-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 352#L1474-5true 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; 412#L1033-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 27#L1039-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string46.base, #t~string46.offset;havoc setup_#t~nondet47;~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; 650#L1468-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 360#L1474-8true 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; 415#L1033-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 13#L1039-8true setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string48.base, #t~string48.offset;havoc setup_#t~nondet49; 620#L1645true havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, 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~8, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 765#L2436-1true [2019-11-16 00:15:46,624 INFO L793 eck$LassoCheckResult]: Loop: 765#L2436-1true assume !false; 209#L2291true assume test_~splverifierCounter~0 < 4; 321#L2292true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 1095#L2298true assume !(0 == test_~op1~0); 353#L2311true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet67;havoc test_#t~nondet67; 36#L2316true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 765#L2436-1true [2019-11-16 00:15:46,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:46,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-16 00:15:46,642 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:15:46,642 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979264613] [2019-11-16 00:15:46,643 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:46,643 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:46,643 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:15:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:47,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:47,134 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979264613] [2019-11-16 00:15:47,135 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:15:47,136 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:15:47,136 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125569657] [2019-11-16 00:15:47,141 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-11-16 00:15:47,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:47,142 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-11-16 00:15:47,142 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:15:47,142 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022603032] [2019-11-16 00:15:47,142 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:47,143 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:47,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:15:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:15:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:15:47,193 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:15:47,249 INFO L210 LassoAnalysis]: Preferences: [2019-11-16 00:15:47,250 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-16 00:15:47,250 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-16 00:15:47,251 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-16 00:15:47,251 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-16 00:15:47,251 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:15:47,251 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-16 00:15:47,251 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-16 00:15:47,252 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec3_product29.cil.c_Iteration1_Loop [2019-11-16 00:15:47,252 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-16 00:15:47,252 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-16 00:15:47,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:15:47,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:15:47,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:15:47,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:15:47,445 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-16 00:15:47,446 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1edff557-45ac-4b9a-bcaf-687ce7f0e18d/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-16 00:15:47,462 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:15:47,462 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 /tmp/vcloud-vcloud-master/worker/run_dir_1edff557-45ac-4b9a-bcaf-687ce7f0e18d/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-16 00:15:47,490 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-16 00:15:47,490 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:15:47,504 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-16 00:15:47,507 INFO L210 LassoAnalysis]: Preferences: [2019-11-16 00:15:47,507 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-16 00:15:47,507 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-16 00:15:47,507 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-16 00:15:47,507 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-16 00:15:47,508 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:15:47,508 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-16 00:15:47,508 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-16 00:15:47,508 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec3_product29.cil.c_Iteration1_Loop [2019-11-16 00:15:47,508 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-16 00:15:47,509 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-16 00:15:47,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:15:47,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:15:47,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:15:47,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:15:47,673 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-16 00:15:47,678 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-16 00:15:47,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:15:47,682 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:15:47,683 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:15:47,684 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:15:47,684 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:15:47,684 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:15:47,687 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:15:47,688 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:15:47,703 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-16 00:15:47,720 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-16 00:15:47,721 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-11-16 00:15:47,723 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-16 00:15:47,723 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-16 00:15:47,724 INFO L510 LassoAnalysis]: Proved termination. [2019-11-16 00:15:47,725 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-11-16 00:15:47,729 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-16 00:15:47,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:48,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-16 00:15:48,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:15:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:48,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-16 00:15:48,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:15:48,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:48,152 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-16 00:15:48,154 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1106 states. Second operand 4 states. [2019-11-16 00:15:48,586 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1106 states.. Second operand 4 states. Result 5164 states and 9012 transitions. Complement of second has 7 states. [2019-11-16 00:15:48,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-16 00:15:48,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-16 00:15:48,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5256 transitions. [2019-11-16 00:15:48,609 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5256 transitions. Stem has 18 letters. Loop has 6 letters. [2019-11-16 00:15:48,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:15:48,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5256 transitions. Stem has 24 letters. Loop has 6 letters. [2019-11-16 00:15:48,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:15:48,612 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5256 transitions. Stem has 18 letters. Loop has 12 letters. [2019-11-16 00:15:48,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:15:48,614 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5164 states and 9012 transitions. [2019-11-16 00:15:48,683 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 501 [2019-11-16 00:15:48,708 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5164 states to 1035 states and 1896 transitions. [2019-11-16 00:15:48,710 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 532 [2019-11-16 00:15:48,713 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 533 [2019-11-16 00:15:48,714 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1035 states and 1896 transitions. [2019-11-16 00:15:48,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-16 00:15:48,723 INFO L688 BuchiCegarLoop]: Abstraction has 1035 states and 1896 transitions. [2019-11-16 00:15:48,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states and 1896 transitions. [2019-11-16 00:15:48,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 534. [2019-11-16 00:15:48,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2019-11-16 00:15:48,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 975 transitions. [2019-11-16 00:15:48,826 INFO L711 BuchiCegarLoop]: Abstraction has 534 states and 975 transitions. [2019-11-16 00:15:48,826 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:15:48,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:15:48,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:15:48,832 INFO L87 Difference]: Start difference. First operand 534 states and 975 transitions. Second operand 3 states. [2019-11-16 00:15:48,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:15:48,903 INFO L93 Difference]: Finished difference Result 1048 states and 1915 transitions. [2019-11-16 00:15:48,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:15:48,905 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1048 states and 1915 transitions. [2019-11-16 00:15:48,916 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 502 [2019-11-16 00:15:48,928 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1048 states to 1048 states and 1915 transitions. [2019-11-16 00:15:48,928 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 544 [2019-11-16 00:15:48,929 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 544 [2019-11-16 00:15:48,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1048 states and 1915 transitions. [2019-11-16 00:15:48,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-16 00:15:48,930 INFO L688 BuchiCegarLoop]: Abstraction has 1048 states and 1915 transitions. [2019-11-16 00:15:48,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states and 1915 transitions. [2019-11-16 00:15:48,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 533. [2019-11-16 00:15:48,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2019-11-16 00:15:48,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 971 transitions. [2019-11-16 00:15:48,948 INFO L711 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2019-11-16 00:15:48,948 INFO L591 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2019-11-16 00:15:48,948 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-16 00:15:48,948 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 533 states and 971 transitions. [2019-11-16 00:15:48,952 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2019-11-16 00:15:48,952 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:15:48,952 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:15:48,954 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:15:48,954 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:15:48,955 INFO L791 eck$LassoCheckResult]: Stem: 8361#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~__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;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(44);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(44);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(11);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(19);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string55.base, #t~string55.offset, 1);call write~init~int(100, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(10, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string58.base, #t~string58.offset, 1);call write~init~int(100, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(10, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);~__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;call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(10);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(12);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(10);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(18);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(16);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(21);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(13);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(16);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(25);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string106.base, #t~string106.offset, 1);call write~init~int(115, #t~string106.base, 1 + #t~string106.offset, 1);call write~init~int(10, #t~string106.base, 2 + #t~string106.offset, 1);call write~init~int(0, #t~string106.base, 3 + #t~string106.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(10);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(34);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(30);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(16);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(20);~sent_signed~0 := -1;call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(13);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(16);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(15);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(16); 8065#L-1 havoc main_#res;havoc main_#t~ret50, main_~retValue_acc~20, main_~tmp~6;havoc main_~retValue_acc~20;havoc main_~tmp~6; 8066#L2238 havoc valid_product_#res;havoc valid_product_~retValue_acc~33;havoc valid_product_~retValue_acc~33;valid_product_~retValue_acc~33 := 1;valid_product_#res := valid_product_~retValue_acc~33; 8370#L2246 main_#t~ret50 := valid_product_#res;main_~tmp~6 := main_#t~ret50;havoc main_#t~ret50; 8371#L1658 assume 0 != main_~tmp~6;havoc setup_#t~nondet45, setup_#t~nondet47, setup_#t~nondet49, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 8231#L1468 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 8145#L1474-2 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; 8168#L1033 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 8134#L1039-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string44.base, #t~string44.offset;havoc setup_#t~nondet45;~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; 8135#L1468-2 assume !(1 == setClientId_~handle); 8238#L1471-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 8095#L1474-5 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; 8096#L1033-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 8151#L1039-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string46.base, #t~string46.offset;havoc setup_#t~nondet47;~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; 8177#L1468-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 8112#L1474-8 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; 8123#L1033-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 8068#L1039-8 setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string48.base, #t~string48.offset;havoc setup_#t~nondet49; 7991#L1645 havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, 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~8, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 7992#L2436-1 assume !false; 8472#L2291 [2019-11-16 00:15:48,955 INFO L793 eck$LassoCheckResult]: Loop: 8472#L2291 assume test_~splverifierCounter~0 < 4; 8473#L2292 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 8482#L2298 assume !(0 == test_~op1~0); 8103#L2311 assume !(0 == test_~op2~0); 8097#L2322 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet68;havoc test_#t~nondet68; 8099#L2327 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; 8199#L1033-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7963#L1039-11 test_~op3~0 := 1; 7964#L2436-1 assume !false; 8472#L2291 [2019-11-16 00:15:48,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:48,956 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-11-16 00:15:48,956 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:15:48,957 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025003543] [2019-11-16 00:15:48,957 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:48,957 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:48,957 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:15:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:49,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:49,091 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025003543] [2019-11-16 00:15:49,091 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:15:49,091 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-16 00:15:49,092 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775903458] [2019-11-16 00:15:49,092 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-11-16 00:15:49,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:49,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-11-16 00:15:49,093 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:15:49,093 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708731197] [2019-11-16 00:15:49,093 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:49,093 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:15:49,093 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:15:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:15:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:15:49,139 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:15:49,244 INFO L210 LassoAnalysis]: Preferences: [2019-11-16 00:15:49,244 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-16 00:15:49,244 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-16 00:15:49,245 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-16 00:15:49,245 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-16 00:15:49,245 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:15:49,245 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-16 00:15:49,245 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-16 00:15:49,245 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec3_product29.cil.c_Iteration2_Loop [2019-11-16 00:15:49,246 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-16 00:15:49,246 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-16 00:15:49,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:15:49,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:15:49,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:15:49,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:15:49,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:15:49,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:15:49,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:15:49,532 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-16 00:15:49,533 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1edff557-45ac-4b9a-bcaf-687ce7f0e18d/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:15:49,539 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:15:49,539 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-16 00:15:49,548 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-16 00:15:49,548 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 /tmp/vcloud-vcloud-master/worker/run_dir_1edff557-45ac-4b9a-bcaf-687ce7f0e18d/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-16 00:15:49,572 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:15:49,572 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:15:49,586 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-16 00:15:49,586 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet68=2, ULTIMATE.start_test_~tmp___7~0=2} Honda state: {ULTIMATE.start_test_#t~nondet68=2, ULTIMATE.start_test_~tmp___7~0=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1edff557-45ac-4b9a-bcaf-687ce7f0e18d/bin/uautomizer/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 [2019-11-16 00:15:49,668 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:15:49,669 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1edff557-45ac-4b9a-bcaf-687ce7f0e18d/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-16 00:15:49,756 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-16 00:15:49,756 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:15:49,772 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-16 00:15:49,775 INFO L210 LassoAnalysis]: Preferences: [2019-11-16 00:15:49,775 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-16 00:15:49,775 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-16 00:15:49,775 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-16 00:15:49,775 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-16 00:15:49,775 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:15:49,776 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-16 00:15:49,776 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-16 00:15:49,776 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec3_product29.cil.c_Iteration2_Loop [2019-11-16 00:15:49,776 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-16 00:15:49,776 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-16 00:15:49,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:15:49,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:15:49,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:15:49,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:15:49,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:15:49,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:15:49,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:15:50,036 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-16 00:15:50,036 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-16 00:15:50,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:15:50,037 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:15:50,038 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:15:50,038 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:15:50,038 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-16 00:15:50,038 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:15:50,039 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-16 00:15:50,040 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:15:50,050 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:15:50,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:15:50,051 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:15:50,052 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:15:50,052 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:15:50,052 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:15:50,052 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:15:50,054 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:15:50,054 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:15:50,061 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-16 00:15:50,067 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-16 00:15:50,067 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-11-16 00:15:50,068 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-16 00:15:50,069 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-16 00:15:50,069 INFO L510 LassoAnalysis]: Proved termination. [2019-11-16 00:15:50,069 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-11-16 00:15:50,070 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-16 00:15:50,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:15:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:50,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-16 00:15:50,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:15:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:15:50,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-16 00:15:50,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:15:50,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:15:50,465 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-16 00:15:50,465 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440 Second operand 4 states. [2019-11-16 00:15:50,511 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440. Second operand 4 states. Result 1039 states and 1901 transitions. Complement of second has 6 states. [2019-11-16 00:15:50,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-16 00:15:50,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-16 00:15:50,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 508 transitions. [2019-11-16 00:15:50,513 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 9 letters. [2019-11-16 00:15:50,514 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:15:50,514 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 29 letters. Loop has 9 letters. [2019-11-16 00:15:50,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:15:50,515 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 18 letters. [2019-11-16 00:15:50,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:15:50,521 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1901 transitions. [2019-11-16 00:15:50,531 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-16 00:15:50,532 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 0 states and 0 transitions. [2019-11-16 00:15:50,532 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-16 00:15:50,532 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-16 00:15:50,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-16 00:15:50,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-16 00:15:50,533 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:15:50,533 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:15:50,533 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:15:50,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-16 00:15:50,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-16 00:15:50,534 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-11-16 00:15:50,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:15:50,534 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-16 00:15:50,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-16 00:15:50,535 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-16 00:15:50,535 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-16 00:15:50,535 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-16 00:15:50,536 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-16 00:15:50,536 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-16 00:15:50,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-16 00:15:50,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-16 00:15:50,536 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:15:50,536 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:15:50,537 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:15:50,537 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-16 00:15:50,537 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:15:50,537 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-16 00:15:50,537 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-16 00:15:50,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:15:50 BoogieIcfgContainer [2019-11-16 00:15:50,545 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-16 00:15:50,546 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:15:50,546 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:15:50,546 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:15:50,547 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:15:46" (3/4) ... [2019-11-16 00:15:50,551 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-16 00:15:50,552 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:15:50,555 INFO L168 Benchmark]: Toolchain (without parser) took 9851.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -149.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:15:50,557 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:15:50,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1124.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -118.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:15:50,559 INFO L168 Benchmark]: Boogie Procedure Inliner took 233.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-11-16 00:15:50,560 INFO L168 Benchmark]: Boogie Preprocessor took 158.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-11-16 00:15:50,561 INFO L168 Benchmark]: RCFGBuilder took 4170.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 849.3 MB in the end (delta: 171.8 MB). Peak memory consumption was 193.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:15:50,568 INFO L168 Benchmark]: BuchiAutomizer took 4152.96 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 849.3 MB in the beginning and 1.1 GB in the end (delta: -240.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:15:50,568 INFO L168 Benchmark]: Witness Printer took 5.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:15:50,575 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1124.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -118.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 233.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 158.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4170.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 849.3 MB in the end (delta: 171.8 MB). Peak memory consumption was 193.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4152.96 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 849.3 MB in the beginning and 1.1 GB in the end (delta: -240.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 5.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * 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 4.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. 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 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 1016 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 533 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5286 SDtfs, 4791 SDslu, 7019 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 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...