./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d4846c70-65d5-439c-9ace-f7a5c41a06d0/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d4846c70-65d5-439c-9ace-f7a5c41a06d0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d4846c70-65d5-439c-9ace-f7a5c41a06d0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d4846c70-65d5-439c-9ace-f7a5c41a06d0/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d4846c70-65d5-439c-9ace-f7a5c41a06d0/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d4846c70-65d5-439c-9ace-f7a5c41a06d0/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 b16f064603084aeff5516f798278eee556c42fd2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:55:24,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:55:24,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:55:24,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:55:24,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:55:24,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:55:24,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:55:24,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:55:24,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:55:24,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:55:24,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:55:24,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:55:24,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:55:24,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:55:24,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:55:24,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:55:24,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:55:24,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:55:24,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:55:24,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:55:24,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:55:24,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:55:24,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:55:24,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:55:24,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:55:24,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:55:24,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:55:24,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:55:24,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:55:24,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:55:24,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:55:24,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:55:24,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:55:24,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:55:24,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:55:24,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:55:24,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:55:24,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:55:24,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:55:24,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:55:24,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:55:24,503 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d4846c70-65d5-439c-9ace-f7a5c41a06d0/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:55:24,520 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:55:24,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:55:24,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:55:24,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:55:24,523 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:55:24,523 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:55:24,523 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:55:24,523 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:55:24,523 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:55:24,523 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:55:24,524 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:55:24,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:55:24,525 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:55:24,525 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:55:24,525 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:55:24,525 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:55:24,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:55:24,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:55:24,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:55:24,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:55:24,526 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:55:24,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:55:24,527 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:55:24,527 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:55:24,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:55:24,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:55:24,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:55:24,528 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:55:24,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:55:24,528 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:55:24,529 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:55:24,530 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:55:24,530 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_d4846c70-65d5-439c-9ace-f7a5c41a06d0/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 -> b16f064603084aeff5516f798278eee556c42fd2 [2019-11-25 08:55:24,704 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:55:24,717 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:55:24,719 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:55:24,721 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:55:24,721 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:55:24,721 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d4846c70-65d5-439c-9ace-f7a5c41a06d0/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec9_product14.cil.c [2019-11-25 08:55:24,780 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d4846c70-65d5-439c-9ace-f7a5c41a06d0/bin/uautomizer/data/844cfd9dd/34c2e5df95ac4db3bbf692368cba51bf/FLAG3973d492d [2019-11-25 08:55:25,334 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:55:25,334 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d4846c70-65d5-439c-9ace-f7a5c41a06d0/sv-benchmarks/c/product-lines/email_spec9_product14.cil.c [2019-11-25 08:55:25,362 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d4846c70-65d5-439c-9ace-f7a5c41a06d0/bin/uautomizer/data/844cfd9dd/34c2e5df95ac4db3bbf692368cba51bf/FLAG3973d492d [2019-11-25 08:55:25,618 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d4846c70-65d5-439c-9ace-f7a5c41a06d0/bin/uautomizer/data/844cfd9dd/34c2e5df95ac4db3bbf692368cba51bf [2019-11-25 08:55:25,635 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:55:25,636 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:55:25,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:55:25,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:55:25,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:55:25,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:55:25" (1/1) ... [2019-11-25 08:55:25,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@662f378f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:25, skipping insertion in model container [2019-11-25 08:55:25,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:55:25" (1/1) ... [2019-11-25 08:55:25,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:55:25,736 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:55:26,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:55:26,399 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:55:26,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:55:26,654 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:55:26,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:26 WrapperNode [2019-11-25 08:55:26,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:55:26,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:55:26,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:55:26,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:55:26,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:26" (1/1) ... [2019-11-25 08:55:26,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:26" (1/1) ... [2019-11-25 08:55:26,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:55:26,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:55:26,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:55:26,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:55:26,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:26" (1/1) ... [2019-11-25 08:55:26,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:26" (1/1) ... [2019-11-25 08:55:26,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:26" (1/1) ... [2019-11-25 08:55:26,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:26" (1/1) ... [2019-11-25 08:55:26,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:26" (1/1) ... [2019-11-25 08:55:26,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:26" (1/1) ... [2019-11-25 08:55:26,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:26" (1/1) ... [2019-11-25 08:55:26,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:55:26,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:55:26,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:55:26,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:55:26,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d4846c70-65d5-439c-9ace-f7a5c41a06d0/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 [2019-11-25 08:55:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-25 08:55:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:55:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:55:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:55:27,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:55:29,771 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:55:29,771 INFO L284 CfgBuilder]: Removed 465 assume(true) statements. [2019-11-25 08:55:29,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:29 BoogieIcfgContainer [2019-11-25 08:55:29,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:55:29,773 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:55:29,773 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:55:29,776 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:55:29,776 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:55:29,779 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:55:25" (1/3) ... [2019-11-25 08:55:29,780 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4bb9dd0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:55:29, skipping insertion in model container [2019-11-25 08:55:29,780 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:55:29,780 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:26" (2/3) ... [2019-11-25 08:55:29,781 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4bb9dd0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:55:29, skipping insertion in model container [2019-11-25 08:55:29,781 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:55:29,781 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:29" (3/3) ... [2019-11-25 08:55:29,783 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec9_product14.cil.c [2019-11-25 08:55:29,825 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:55:29,825 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:55:29,825 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:55:29,825 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:55:29,825 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:55:29,826 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:55:29,826 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:55:29,826 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:55:29,855 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 760 states. [2019-11-25 08:55:29,918 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2019-11-25 08:55:29,918 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:55:29,918 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:55:29,927 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:55:29,927 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:55:29,928 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:55:29,928 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 760 states. [2019-11-25 08:55:29,938 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2019-11-25 08:55:29,938 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:55:29,939 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:55:29,941 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:55:29,941 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:55:29,947 INFO L794 eck$LassoCheckResult]: Stem: 528#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(44);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(44);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(9);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(9);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(11);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(19);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string19.base, #t~string19.offset, 1);call write~init~int(100, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(10, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string22.base, #t~string22.offset, 1);call write~init~int(100, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(10, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(17);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(17);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(13);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(17);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(10);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(34);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(16);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(20);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string75.base, #t~string75.offset, 1);call write~init~int(115, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(10, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(30);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(9);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(21);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(30);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(9);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(21);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(30);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(9);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(25);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(30);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(9);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(25);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(10);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(12);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(10);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(18);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(16);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(21);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~in_encrypted~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 383#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~ret14, main_~retValue_acc~0, main_~tmp~1;main_~retValue_acc~0 := main_#t~nondet13;havoc main_#t~nondet13;havoc main_~tmp~1; 21#L720true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 210#L728true main_#t~ret14 := valid_product_#res;main_~tmp~1 := main_#t~ret14;havoc main_#t~ret14; 356#L222true assume 0 != main_~tmp~1;havoc setup_#t~nondet8, setup_#t~nondet10, setup_#t~nondet12, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 752#L2485true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 305#L2491-2true 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; 352#L2050true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 709#L2056-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string7.base, #t~string7.offset;havoc setup_#t~nondet8;~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; 729#L2485-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 313#L2491-5true 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; 358#L2050-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 690#L2056-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~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; 738#L2485-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 278#L2491-8true 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; 338#L2050-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 699#L2056-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 515#L209true havoc test_#t~nondet64, test_#t~nondet65, 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_~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~11, test_~tmp___0~5, test_~tmp___1~3, test_~tmp___2~2, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~5;havoc test_~tmp___1~3;havoc test_~tmp___2~2;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 37#L918-1true [2019-11-25 08:55:29,947 INFO L796 eck$LassoCheckResult]: Loop: 37#L918-1true assume !false; 350#L773true assume test_~splverifierCounter~0 < 4; 107#L774true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 458#L780true assume !(0 == test_~op1~0); 480#L793true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet65;havoc test_#t~nondet65; 150#L798true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 37#L918-1true [2019-11-25 08:55:29,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:29,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-25 08:55:29,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:29,962 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886403077] [2019-11-25 08:55:29,963 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:30,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:30,284 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886403077] [2019-11-25 08:55:30,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:30,285 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:55:30,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179685065] [2019-11-25 08:55:30,292 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:55:30,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:30,293 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-11-25 08:55:30,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:30,294 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978032076] [2019-11-25 08:55:30,294 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:30,345 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:30,389 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:55:30,389 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:55:30,389 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:55:30,390 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:55:30,390 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-25 08:55:30,390 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:30,390 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:55:30,390 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:55:30,390 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product14.cil.c_Iteration1_Loop [2019-11-25 08:55:30,390 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:55:30,391 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:55:30,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:30,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:30,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:30,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:30,540 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:55:30,540 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d4846c70-65d5-439c-9ace-f7a5c41a06d0/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) [2019-11-25 08:55:30,560 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:55:30,560 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_d4846c70-65d5-439c-9ace-f7a5c41a06d0/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) [2019-11-25 08:55:30,581 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:55:30,581 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 [2019-11-25 08:55:30,588 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-25 08:55:30,591 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:55:30,591 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:55:30,591 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:55:30,591 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:55:30,591 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:55:30,592 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:30,592 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:55:30,592 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:55:30,592 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product14.cil.c_Iteration1_Loop [2019-11-25 08:55:30,592 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:55:30,592 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:55:30,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:30,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:30,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:30,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:30,723 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:55:30,727 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d4846c70-65d5-439c-9ace-f7a5c41a06d0/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) [2019-11-25 08:55:30,743 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 [2019-11-25 08:55:30,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:30,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:30,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:30,754 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:55:30,761 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-25 08:55:30,761 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d4846c70-65d5-439c-9ace-f7a5c41a06d0/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) [2019-11-25 08:55:30,777 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:55:30,777 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-25 08:55:30,778 INFO L510 LassoAnalysis]: Proved termination. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:30,780 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-11-25 08:55:30,784 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-25 08:55:30,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:31,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:55:31,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:31,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:55:31,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:31,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:31,211 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 [2019-11-25 08:55:31,212 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 760 states. Second operand 4 states. [2019-11-25 08:55:31,521 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 760 states.. Second operand 4 states. Result 3434 states and 6014 transitions. Complement of second has 7 states. [2019-11-25 08:55:31,521 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 [2019-11-25 08:55:31,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:55:31,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3450 transitions. [2019-11-25 08:55:31,529 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3450 transitions. Stem has 18 letters. Loop has 6 letters. [2019-11-25 08:55:31,538 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:31,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3450 transitions. Stem has 24 letters. Loop has 6 letters. [2019-11-25 08:55:31,538 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:31,539 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3450 transitions. Stem has 18 letters. Loop has 12 letters. [2019-11-25 08:55:31,539 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:31,540 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3434 states and 6014 transitions. [2019-11-25 08:55:31,583 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 501 [2019-11-25 08:55:31,603 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3434 states to 1035 states and 1896 transitions. [2019-11-25 08:55:31,604 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 532 [2019-11-25 08:55:31,607 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 533 [2019-11-25 08:55:31,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1035 states and 1896 transitions. [2019-11-25 08:55:31,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:55:31,610 INFO L688 BuchiCegarLoop]: Abstraction has 1035 states and 1896 transitions. [2019-11-25 08:55:31,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states and 1896 transitions. [2019-11-25 08:55:31,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 534. [2019-11-25 08:55:31,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2019-11-25 08:55:31,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 975 transitions. [2019-11-25 08:55:31,687 INFO L711 BuchiCegarLoop]: Abstraction has 534 states and 975 transitions. [2019-11-25 08:55:31,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:31,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:55:31,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:55:31,692 INFO L87 Difference]: Start difference. First operand 534 states and 975 transitions. Second operand 3 states. [2019-11-25 08:55:31,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:31,762 INFO L93 Difference]: Finished difference Result 1048 states and 1915 transitions. [2019-11-25 08:55:31,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:55:31,763 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1048 states and 1915 transitions. [2019-11-25 08:55:31,773 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 502 [2019-11-25 08:55:31,784 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1048 states to 1048 states and 1915 transitions. [2019-11-25 08:55:31,784 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 544 [2019-11-25 08:55:31,785 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 544 [2019-11-25 08:55:31,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1048 states and 1915 transitions. [2019-11-25 08:55:31,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:55:31,786 INFO L688 BuchiCegarLoop]: Abstraction has 1048 states and 1915 transitions. [2019-11-25 08:55:31,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states and 1915 transitions. [2019-11-25 08:55:31,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 533. [2019-11-25 08:55:31,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2019-11-25 08:55:31,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 971 transitions. [2019-11-25 08:55:31,800 INFO L711 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2019-11-25 08:55:31,800 INFO L591 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2019-11-25 08:55:31,800 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:55:31,801 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 533 states and 971 transitions. [2019-11-25 08:55:31,805 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2019-11-25 08:55:31,805 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:55:31,806 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:55:31,808 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] [2019-11-25 08:55:31,808 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:55:31,809 INFO L794 eck$LassoCheckResult]: Stem: 6229#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(44);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(44);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(9);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(9);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(11);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(19);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string19.base, #t~string19.offset, 1);call write~init~int(100, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(10, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string22.base, #t~string22.offset, 1);call write~init~int(100, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(10, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(17);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(17);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(13);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(17);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(10);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(34);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(16);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(20);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string75.base, #t~string75.offset, 1);call write~init~int(115, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(10, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(30);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(9);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(21);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(30);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(9);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(21);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(30);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(9);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(25);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(30);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(9);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(25);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(10);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(12);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(10);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(18);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(16);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(21);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~in_encrypted~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 5915#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~ret14, main_~retValue_acc~0, main_~tmp~1;main_~retValue_acc~0 := main_#t~nondet13;havoc main_#t~nondet13;havoc main_~tmp~1; 5916#L720 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 5969#L728 main_#t~ret14 := valid_product_#res;main_~tmp~1 := main_#t~ret14;havoc main_#t~ret14; 6339#L222 assume 0 != main_~tmp~1;havoc setup_#t~nondet8, setup_#t~nondet10, setup_#t~nondet12, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 6407#L2485 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 6273#L2491-2 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; 6404#L2050 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6311#L2056-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string7.base, #t~string7.offset;havoc setup_#t~nondet8;~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; 6406#L2485-2 assume !(1 == setClientId_~handle); 6277#L2488-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 6278#L2491-5 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; 6405#L2050-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6262#L2056-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~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; 6403#L2485-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 6232#L2491-8 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; 6380#L2050-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6284#L2056-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 6208#L209 havoc test_#t~nondet64, test_#t~nondet65, 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_~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~11, test_~tmp___0~5, test_~tmp___1~3, test_~tmp___2~2, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~5;havoc test_~tmp___1~3;havoc test_~tmp___2~2;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 6209#L918-1 assume !false; 6018#L773 [2019-11-25 08:55:31,809 INFO L796 eck$LassoCheckResult]: Loop: 6018#L773 assume test_~splverifierCounter~0 < 4; 6142#L774 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 6100#L780 assume !(0 == test_~op1~0); 6102#L793 assume !(0 == test_~op2~0); 6152#L804 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet66;havoc test_#t~nondet66; 6153#L809 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; 6224#L2050-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6291#L2056-11 test_~op3~0 := 1; 5888#L918-1 assume !false; 6018#L773 [2019-11-25 08:55:31,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:31,809 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-11-25 08:55:31,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:31,810 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915607573] [2019-11-25 08:55:31,810 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:31,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:31,969 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915607573] [2019-11-25 08:55:31,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:31,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:55:31,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332728576] [2019-11-25 08:55:31,970 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:55:31,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:31,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-11-25 08:55:31,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:31,970 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897720178] [2019-11-25 08:55:31,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:32,001 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:32,087 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:55:32,087 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:55:32,087 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:55:32,087 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:55:32,087 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-25 08:55:32,088 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:32,088 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:55:32,088 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:55:32,088 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product14.cil.c_Iteration2_Loop [2019-11-25 08:55:32,088 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:55:32,088 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:55:32,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,297 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:55:32,297 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d4846c70-65d5-439c-9ace-f7a5c41a06d0/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) [2019-11-25 08:55:32,310 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:55:32,310 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d4846c70-65d5-439c-9ace-f7a5c41a06d0/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) [2019-11-25 08:55:32,328 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:55:32,328 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 [2019-11-25 08:55:32,336 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-25 08:55:32,338 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:55:32,338 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:55:32,339 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:55:32,339 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:55:32,339 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:55:32,339 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:32,339 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:55:32,339 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:55:32,339 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product14.cil.c_Iteration2_Loop [2019-11-25 08:55:32,339 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:55:32,339 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:55:32,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,561 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:55:32,561 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d4846c70-65d5-439c-9ace-f7a5c41a06d0/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:55:32,569 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 [2019-11-25 08:55:32,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:32,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:32,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:32,572 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-25 08:55:32,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:32,576 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:55:32,576 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:32,580 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d4846c70-65d5-439c-9ace-f7a5c41a06d0/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:55:32,598 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 [2019-11-25 08:55:32,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:32,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:32,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:32,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:32,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:32,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:32,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:32,608 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:55:32,612 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-25 08:55:32,613 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d4846c70-65d5-439c-9ace-f7a5c41a06d0/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:55:32,626 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:55:32,626 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-25 08:55:32,626 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:55:32,626 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:32,630 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-25 08:55:32,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:32,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:55:32,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:32,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:55:32,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:32,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:32,928 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 [2019-11-25 08:55:32,928 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440 Second operand 4 states. [2019-11-25 08:55:32,972 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. [2019-11-25 08:55:32,973 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 [2019-11-25 08:55:32,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:55:32,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 508 transitions. [2019-11-25 08:55:32,974 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 9 letters. [2019-11-25 08:55:32,975 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:32,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 29 letters. Loop has 9 letters. [2019-11-25 08:55:32,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:32,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 18 letters. [2019-11-25 08:55:32,979 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:32,979 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1901 transitions. [2019-11-25 08:55:32,990 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:55:32,990 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 0 states and 0 transitions. [2019-11-25 08:55:32,990 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:55:32,990 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:55:32,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:55:32,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:55:32,991 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:55:32,991 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:55:32,992 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:32,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:55:32,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:55:32,993 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-11-25 08:55:32,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:32,993 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-25 08:55:32,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:55:32,994 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-25 08:55:32,994 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:55:32,994 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:55:32,994 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:55:32,994 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:55:32,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:55:32,995 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:55:32,995 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:55:32,995 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:55:32,995 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:55:32,995 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:55:32,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:55:32,996 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:55:32,996 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:55:33,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:55:33 BoogieIcfgContainer [2019-11-25 08:55:33,002 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:55:33,003 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:55:33,003 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:55:33,004 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:55:33,004 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:29" (3/4) ... [2019-11-25 08:55:33,076 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:55:33,076 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:55:33,080 INFO L168 Benchmark]: Toolchain (without parser) took 7443.08 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 278.9 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -292.7 MB). Peak memory consumption was 430.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:33,081 INFO L168 Benchmark]: CDTParser took 0.19 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. [2019-11-25 08:55:33,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1015.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 946.1 MB in the beginning and 1.0 GB in the end (delta: -100.5 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:33,083 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.57 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:33,085 INFO L168 Benchmark]: Boogie Preprocessor took 142.08 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: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:33,088 INFO L168 Benchmark]: RCFGBuilder took 2841.18 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 114.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -137.3 MB). Peak memory consumption was 285.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:33,090 INFO L168 Benchmark]: BuchiAutomizer took 3229.23 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 749.1 MB in the end (delta: 413.5 MB). Peak memory consumption was 413.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:33,090 INFO L168 Benchmark]: Witness Printer took 72.50 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 56.6 MB). Free memory was 749.1 MB in the beginning and 1.2 GB in the end (delta: -489.7 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:33,095 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 1015.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 946.1 MB in the beginning and 1.0 GB in the end (delta: -100.5 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 132.57 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 142.08 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: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2841.18 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 114.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -137.3 MB). Peak memory consumption was 285.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3229.23 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 749.1 MB in the end (delta: 413.5 MB). Peak memory consumption was 413.5 MB. Max. memory is 11.5 GB. * Witness Printer took 72.50 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 56.6 MB). Free memory was 749.1 MB in the beginning and 1.2 GB in the end (delta: -489.7 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1016 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s 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: 4094 SDtfs, 3600 SDslu, 5231 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: 18ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...