./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/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 c3d8a470a7585669100054084f1891a109a41b5b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:58:22,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:58:22,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:58:22,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:58:22,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:58:22,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:58:22,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:58:22,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:58:22,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:58:22,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:58:22,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:58:22,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:58:22,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:58:22,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:58:22,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:58:22,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:58:22,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:58:22,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:58:22,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:58:22,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:58:22,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:58:22,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:58:22,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:58:22,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:58:22,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:58:22,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:58:22,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:58:22,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:58:22,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:58:22,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:58:22,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:58:22,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:58:22,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:58:22,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:58:22,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:58:22,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:58:22,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:58:22,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:58:22,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:58:22,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:58:22,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:58:22,421 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 18:58:22,432 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:58:22,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:58:22,433 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:58:22,433 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:58:22,433 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:58:22,433 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 18:58:22,433 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 18:58:22,433 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 18:58:22,433 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 18:58:22,433 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 18:58:22,434 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 18:58:22,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:58:22,434 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:58:22,434 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:58:22,434 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:58:22,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:58:22,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:58:22,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 18:58:22,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 18:58:22,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 18:58:22,435 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:58:22,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:58:22,435 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 18:58:22,435 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:58:22,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 18:58:22,435 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:58:22,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:58:22,436 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 18:58:22,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:58:22,436 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:58:22,436 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:58:22,436 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 18:58:22,437 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 18:58:22,437 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_1a5d3856-fa05-415b-9f3e-4bb4045c374a/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 -> c3d8a470a7585669100054084f1891a109a41b5b [2019-12-07 18:58:22,534 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:58:22,542 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:58:22,545 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:58:22,546 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:58:22,546 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:58:22,546 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c [2019-12-07 18:58:22,586 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/bin/uautomizer/data/33286dd4a/1c601b5bc25e42bc87be1c6b717b864d/FLAG7de108419 [2019-12-07 18:58:23,116 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:58:23,117 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c [2019-12-07 18:58:23,130 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/bin/uautomizer/data/33286dd4a/1c601b5bc25e42bc87be1c6b717b864d/FLAG7de108419 [2019-12-07 18:58:23,567 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/bin/uautomizer/data/33286dd4a/1c601b5bc25e42bc87be1c6b717b864d [2019-12-07 18:58:23,569 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:58:23,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:58:23,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:58:23,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:58:23,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:58:23,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:58:23" (1/1) ... [2019-12-07 18:58:23,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a5fd7b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:58:23, skipping insertion in model container [2019-12-07 18:58:23,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:58:23" (1/1) ... [2019-12-07 18:58:23,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:58:23,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:58:23,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:58:23,993 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:58:24,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:58:24,162 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:58:24,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:58:24 WrapperNode [2019-12-07 18:58:24,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:58:24,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:58:24,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:58:24,164 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:58:24,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:58:24" (1/1) ... [2019-12-07 18:58:24,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:58:24" (1/1) ... [2019-12-07 18:58:26,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:58:26,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:58:26,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:58:26,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:58:26,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:58:24" (1/1) ... [2019-12-07 18:58:26,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:58:24" (1/1) ... [2019-12-07 18:58:26,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:58:24" (1/1) ... [2019-12-07 18:58:26,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:58:24" (1/1) ... [2019-12-07 18:58:26,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:58:24" (1/1) ... [2019-12-07 18:58:26,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:58:24" (1/1) ... [2019-12-07 18:58:27,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:58:24" (1/1) ... [2019-12-07 18:58:27,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:58:27,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:58:27,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:58:27,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:58:27,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:58:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/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 [2019-12-07 18:58:27,855 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-12-07 18:58:27,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:58:27,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 18:58:27,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:58:27,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:59:05,383 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:59:05,384 INFO L287 CfgBuilder]: Removed 35931 assume(true) statements. [2019-12-07 18:59:05,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:59:05 BoogieIcfgContainer [2019-12-07 18:59:05,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:59:05,397 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 18:59:05,397 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 18:59:05,399 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 18:59:05,399 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:59:05,399 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 06:58:23" (1/3) ... [2019-12-07 18:59:05,400 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@244c9954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:59:05, skipping insertion in model container [2019-12-07 18:59:05,400 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:59:05,400 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:58:24" (2/3) ... [2019-12-07 18:59:05,401 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@244c9954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:59:05, skipping insertion in model container [2019-12-07 18:59:05,401 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:59:05,401 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:59:05" (3/3) ... [2019-12-07 18:59:05,402 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec8_productSimulator.cil.c [2019-12-07 18:59:05,430 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 18:59:05,430 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 18:59:05,430 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 18:59:05,431 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:59:05,431 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:59:05,431 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 18:59:05,431 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:59:05,431 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 18:59:05,688 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34772 states. [2019-12-07 18:59:06,003 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2019-12-07 18:59:06,003 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:59:06,003 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:59:06,010 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, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:59:06,010 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:59:06,010 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 18:59:06,010 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34772 states. [2019-12-07 18:59:06,173 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2019-12-07 18:59:06,173 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:59:06,173 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:59:06,174 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, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:59:06,175 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:59:06,179 INFO L794 eck$LassoCheckResult]: Stem: 508#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string20.base, #t~string20.offset, 1);call write~init~int(115, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(10, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(17);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(17);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(17);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(10);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(12);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(10);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(18);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(16);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(21);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(13);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(16);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(25);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(10);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(34);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(30);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(16);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(20);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(22);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(21);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(44);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(44);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(9);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(9);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(11);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(19);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string156.base, #t~string156.offset, 1);call write~init~int(100, #t~string156.base, 1 + #t~string156.offset, 1);call write~init~int(10, #t~string156.base, 2 + #t~string156.offset, 1);call write~init~int(0, #t~string156.base, 3 + #t~string156.offset, 1);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string159.base, #t~string159.offset, 1);call write~init~int(100, #t~string159.base, 1 + #t~string159.offset, 1);call write~init~int(10, #t~string159.base, 2 + #t~string159.offset, 1);call write~init~int(0, #t~string159.base, 3 + #t~string159.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__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;~in_encrypted~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 13937#L-1true havoc main_#res;havoc main_#t~ret151, main_~retValue_acc~44, main_~tmp~26;havoc main_~retValue_acc~44;havoc main_~tmp~26;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 9614#L86true havoc select_features_#t~ret1, select_features_#t~ret2, select_features_#t~ret3, select_features_#t~ret4, select_features_#t~ret5, select_features_#t~ret6, select_features_#t~ret7, select_features_#t~ret8;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 7937#L59true select_features_#t~ret1 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret1;havoc select_features_#t~ret1;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 7931#L59-1true select_features_#t~ret2 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret2;havoc select_features_#t~ret2;~__SELECTED_FEATURE_Encrypt~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 7986#L59-2true select_features_#t~ret3 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret3;havoc select_features_#t~ret3;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 7980#L59-3true select_features_#t~ret4 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret4;havoc select_features_#t~ret4;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 7969#L59-4true select_features_#t~ret5 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret5;havoc select_features_#t~ret5;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 7963#L59-5true select_features_#t~ret6 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret6;havoc select_features_#t~ret6;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 7962#L59-6true select_features_#t~ret7 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret7;havoc select_features_#t~ret7;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 7897#L59-7true select_features_#t~ret8 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret8;havoc select_features_#t~ret8; 5878#L78true havoc valid_product_#res;havoc valid_product_~retValue_acc~1, valid_product_~tmp~0;havoc valid_product_~retValue_acc~1;havoc valid_product_~tmp~0; 10213#L94true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 10086#L97true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~0 := 0; 10081#L97-1true valid_product_~retValue_acc~1 := valid_product_~tmp~0;valid_product_#res := valid_product_~retValue_acc~1; 1887#L154true main_#t~ret151 := valid_product_#res;main_~tmp~26 := main_#t~ret151;havoc main_#t~ret151; 23325#L3315true assume 0 != main_~tmp~26;havoc setup_#t~nondet146, setup_#t~nondet148, setup_#t~nondet150, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.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; 33448#L3159true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 31526#L1883-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 23320#L1889-5true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string145.base, #t~string145.offset;havoc setup_#t~nondet146;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 34300#L3197true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 31528#L1883-6true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 23316#L1889-11true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string147.base, #t~string147.offset;havoc setup_#t~nondet148;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 27165#L3235true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 31525#L1883-10true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 23313#L1889-17true setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.offset := #t~string149.base, #t~string149.offset;havoc setup_#t~nondet150; 23309#L3302true havoc test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, 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~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 29549#L401-1true [2019-12-07 18:59:06,179 INFO L796 eck$LassoCheckResult]: Loop: 29549#L401-1true assume !false; 3051#L210true assume test_~splverifierCounter~0 < 4; 3076#L211true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 102#L217true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet9;havoc test_#t~nondet9; 78#L221true assume 0 != test_~tmp___9~0; 80#L222true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 79#L222-1true test_~op1~0 := 1; 29549#L401-1true [2019-12-07 18:59:06,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:06,183 INFO L82 PathProgramCache]: Analyzing trace with hash -2102633898, now seen corresponding path program 1 times [2019-12-07 18:59:06,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:06,189 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594860462] [2019-12-07 18:59:06,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:06,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:59:06,413 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594860462] [2019-12-07 18:59:06,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:59:06,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 18:59:06,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563513945] [2019-12-07 18:59:06,418 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 18:59:06,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:06,418 INFO L82 PathProgramCache]: Analyzing trace with hash 569592791, now seen corresponding path program 1 times [2019-12-07 18:59:06,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:06,419 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777416869] [2019-12-07 18:59:06,419 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:06,448 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:59:06,480 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:59:06,481 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:59:06,481 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:59:06,481 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:59:06,481 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 18:59:06,482 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:06,482 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:59:06,482 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:59:06,482 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_productSimulator.cil.c_Iteration1_Loop [2019-12-07 18:59:06,482 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:59:06,482 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:59:06,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:06,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:06,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:06,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:06,571 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:59:06,572 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:06,577 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:59:06,577 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:06,586 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 18:59:06,587 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:59:06,592 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 18:59:06,594 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:59:06,594 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:59:06,594 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:59:06,594 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:59:06,595 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:59:06,595 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:06,595 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:59:06,595 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:59:06,595 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_productSimulator.cil.c_Iteration1_Loop [2019-12-07 18:59:06,595 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:59:06,595 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:59:06,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:06,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:06,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:06,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:06,655 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:59:06,658 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:06,662 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 [2019-12-07 18:59:06,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:06,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:59:06,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:06,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:06,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:06,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:59:06,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:59:06,670 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:59:06,674 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 18:59:06,674 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_1a5d3856-fa05-415b-9f3e-4bb4045c374a/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) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:06,679 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:59:06,679 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 18:59:06,680 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:59:06,680 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] [2019-12-07 18:59:06,684 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 18:59:06,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:06,847 INFO L264 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:59:06,850 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:59:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:06,874 INFO L264 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 18:59:06,875 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:59:06,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:59:06,902 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 [2019-12-07 18:59:06,902 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34772 states. Second operand 4 states. [2019-12-07 18:59:09,264 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34772 states.. Second operand 4 states. Result 173231 states and 278304 transitions. Complement of second has 7 states. [2019-12-07 18:59:09,264 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 [2019-12-07 18:59:09,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 18:59:09,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 166884 transitions. [2019-12-07 18:59:09,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 166884 transitions. Stem has 27 letters. Loop has 7 letters. [2019-12-07 18:59:09,371 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:59:09,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 166884 transitions. Stem has 34 letters. Loop has 7 letters. [2019-12-07 18:59:09,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:59:09,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 166884 transitions. Stem has 27 letters. Loop has 14 letters. [2019-12-07 18:59:09,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:59:09,373 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 173231 states and 278304 transitions. [2019-12-07 18:59:09,857 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 435 [2019-12-07 18:59:09,868 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 173231 states to 990 states and 1812 transitions. [2019-12-07 18:59:09,869 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 501 [2019-12-07 18:59:09,870 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 502 [2019-12-07 18:59:09,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 990 states and 1812 transitions. [2019-12-07 18:59:09,871 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:59:09,871 INFO L688 BuchiCegarLoop]: Abstraction has 990 states and 1812 transitions. [2019-12-07 18:59:09,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states and 1812 transitions. [2019-12-07 18:59:09,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 555. [2019-12-07 18:59:09,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2019-12-07 18:59:09,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1011 transitions. [2019-12-07 18:59:09,913 INFO L711 BuchiCegarLoop]: Abstraction has 555 states and 1011 transitions. [2019-12-07 18:59:09,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:59:09,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:59:09,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:59:09,917 INFO L87 Difference]: Start difference. First operand 555 states and 1011 transitions. Second operand 5 states. [2019-12-07 18:59:09,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:59:09,967 INFO L93 Difference]: Finished difference Result 558 states and 1013 transitions. [2019-12-07 18:59:09,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:59:09,968 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 558 states and 1013 transitions. [2019-12-07 18:59:09,971 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2019-12-07 18:59:09,975 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 558 states to 555 states and 1004 transitions. [2019-12-07 18:59:09,975 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 284 [2019-12-07 18:59:09,976 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 284 [2019-12-07 18:59:09,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 555 states and 1004 transitions. [2019-12-07 18:59:09,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:59:09,978 INFO L688 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2019-12-07 18:59:09,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states and 1004 transitions. [2019-12-07 18:59:09,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2019-12-07 18:59:09,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2019-12-07 18:59:09,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1004 transitions. [2019-12-07 18:59:09,991 INFO L711 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2019-12-07 18:59:09,991 INFO L591 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2019-12-07 18:59:09,991 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 18:59:09,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 555 states and 1004 transitions. [2019-12-07 18:59:09,993 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2019-12-07 18:59:09,993 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:59:09,993 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:59:09,995 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:59:09,995 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:59:09,995 INFO L794 eck$LassoCheckResult]: Stem: 209602#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string20.base, #t~string20.offset, 1);call write~init~int(115, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(10, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(17);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(17);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(17);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(10);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(12);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(10);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(18);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(16);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(21);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(13);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(16);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(25);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(10);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(34);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(30);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(16);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(20);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(22);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(21);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(44);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(44);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(9);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(9);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(11);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(19);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string156.base, #t~string156.offset, 1);call write~init~int(100, #t~string156.base, 1 + #t~string156.offset, 1);call write~init~int(10, #t~string156.base, 2 + #t~string156.offset, 1);call write~init~int(0, #t~string156.base, 3 + #t~string156.offset, 1);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string159.base, #t~string159.offset, 1);call write~init~int(100, #t~string159.base, 1 + #t~string159.offset, 1);call write~init~int(10, #t~string159.base, 2 + #t~string159.offset, 1);call write~init~int(0, #t~string159.base, 3 + #t~string159.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__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;~in_encrypted~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 209275#L-1 havoc main_#res;havoc main_#t~ret151, main_~retValue_acc~44, main_~tmp~26;havoc main_~retValue_acc~44;havoc main_~tmp~26;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 209276#L86 havoc select_features_#t~ret1, select_features_#t~ret2, select_features_#t~ret3, select_features_#t~ret4, select_features_#t~ret5, select_features_#t~ret6, select_features_#t~ret7, select_features_#t~ret8;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 209304#L59 select_features_#t~ret1 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret1;havoc select_features_#t~ret1;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 209296#L59-1 select_features_#t~ret2 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret2;havoc select_features_#t~ret2;~__SELECTED_FEATURE_Encrypt~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 209297#L59-2 select_features_#t~ret3 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret3;havoc select_features_#t~ret3;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 209332#L59-3 select_features_#t~ret4 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret4;havoc select_features_#t~ret4;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 209331#L59-4 select_features_#t~ret5 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret5;havoc select_features_#t~ret5;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 209324#L59-5 select_features_#t~ret6 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret6;havoc select_features_#t~ret6;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 209322#L59-6 select_features_#t~ret7 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret7;havoc select_features_#t~ret7;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 209273#L59-7 select_features_#t~ret8 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret8;havoc select_features_#t~ret8; 209274#L78 havoc valid_product_#res;havoc valid_product_~retValue_acc~1, valid_product_~tmp~0;havoc valid_product_~retValue_acc~1;havoc valid_product_~tmp~0; 209763#L94 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 209283#L98 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 209284#L103 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 209305#L108 assume 0 == ~__SELECTED_FEATURE_Sign~0; 209515#L113 assume 0 == ~__SELECTED_FEATURE_Verify~0; 209683#L118 assume 0 == ~__SELECTED_FEATURE_Sign~0; 209703#L123 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~0 := 1; 209492#L97-1 valid_product_~retValue_acc~1 := valid_product_~tmp~0;valid_product_#res := valid_product_~retValue_acc~1; 209493#L154 main_#t~ret151 := valid_product_#res;main_~tmp~26 := main_#t~ret151;havoc main_#t~ret151; 209591#L3315 assume 0 != main_~tmp~26;havoc setup_#t~nondet146, setup_#t~nondet148, setup_#t~nondet150, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.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; 209259#L3159 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 209260#L1883-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 209525#L1889-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string145.base, #t~string145.offset;havoc setup_#t~nondet146;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 209319#L3197 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 209320#L1883-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 209445#L1889-11 setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string147.base, #t~string147.offset;havoc setup_#t~nondet148;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 209447#L3235 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 209448#L1883-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 209378#L1889-17 setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.offset := #t~string149.base, #t~string149.offset;havoc setup_#t~nondet150; 209294#L3302 havoc test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, 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~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 209295#L401-1 assume !false; 209662#L210 [2019-12-07 18:59:09,995 INFO L796 eck$LassoCheckResult]: Loop: 209662#L210 assume test_~splverifierCounter~0 < 4; 209731#L211 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 209803#L217 assume !(0 == test_~op1~0); 209738#L234 assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet10;havoc test_#t~nondet10; 209782#L239 assume 0 != test_~tmp___8~0; 209434#L240 assume !(0 != ~__SELECTED_FEATURE_AutoResponder~0); 209417#L240-1 test_~op2~0 := 1; 209313#L401-1 assume !false; 209662#L210 [2019-12-07 18:59:09,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:09,996 INFO L82 PathProgramCache]: Analyzing trace with hash 507241003, now seen corresponding path program 1 times [2019-12-07 18:59:09,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:09,996 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235692370] [2019-12-07 18:59:09,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:10,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:59:10,057 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235692370] [2019-12-07 18:59:10,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:59:10,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:59:10,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295483757] [2019-12-07 18:59:10,058 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 18:59:10,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:10,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1422577527, now seen corresponding path program 1 times [2019-12-07 18:59:10,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:10,059 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624640242] [2019-12-07 18:59:10,059 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:10,078 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:59:10,102 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:59:10,102 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:59:10,103 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:59:10,103 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:59:10,103 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 18:59:10,103 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:10,103 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:59:10,103 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:59:10,103 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_productSimulator.cil.c_Iteration2_Loop [2019-12-07 18:59:10,103 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:59:10,103 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:59:10,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:10,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:10,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:10,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:10,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:10,168 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:59:10,168 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:10,171 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:59:10,171 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:10,178 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 18:59:10,178 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:59:10,182 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 18:59:10,183 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:59:10,184 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:59:10,184 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:59:10,184 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:59:10,184 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:59:10,184 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:10,184 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:59:10,184 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:59:10,184 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_productSimulator.cil.c_Iteration2_Loop [2019-12-07 18:59:10,184 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:59:10,184 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:59:10,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:10,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:10,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:10,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:10,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:10,251 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:59:10,252 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:10,255 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 [2019-12-07 18:59:10,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:10,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:59:10,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:10,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:10,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:10,258 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:59:10,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:59:10,260 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:59:10,263 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 18:59:10,263 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_1a5d3856-fa05-415b-9f3e-4bb4045c374a/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) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:10,266 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:59:10,267 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 18:59:10,267 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:59:10,267 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-12-07 18:59:10,269 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 18:59:10,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:10,399 INFO L264 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:59:10,401 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:59:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:10,421 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 18:59:10,421 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:59:10,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:59:10,437 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 [2019-12-07 18:59:10,438 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 555 states and 1004 transitions. cyclomatic complexity: 451 Second operand 5 states. [2019-12-07 18:59:10,555 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 555 states and 1004 transitions. cyclomatic complexity: 451. Second operand 5 states. Result 2006 states and 3673 transitions. Complement of second has 6 states. [2019-12-07 18:59:10,555 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 [2019-12-07 18:59:10,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 18:59:10,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1089 transitions. [2019-12-07 18:59:10,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 8 letters. [2019-12-07 18:59:10,557 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:59:10,557 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 41 letters. Loop has 8 letters. [2019-12-07 18:59:10,557 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:59:10,557 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 16 letters. [2019-12-07 18:59:10,558 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:59:10,558 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2006 states and 3673 transitions. [2019-12-07 18:59:10,563 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 425 [2019-12-07 18:59:10,574 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2006 states to 1996 states and 3655 transitions. [2019-12-07 18:59:10,575 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 494 [2019-12-07 18:59:10,575 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 496 [2019-12-07 18:59:10,575 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1996 states and 3655 transitions. [2019-12-07 18:59:10,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:59:10,576 INFO L688 BuchiCegarLoop]: Abstraction has 1996 states and 3655 transitions. [2019-12-07 18:59:10,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states and 3655 transitions. [2019-12-07 18:59:10,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1039. [2019-12-07 18:59:10,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1039 states. [2019-12-07 18:59:10,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1894 transitions. [2019-12-07 18:59:10,595 INFO L711 BuchiCegarLoop]: Abstraction has 1039 states and 1894 transitions. [2019-12-07 18:59:10,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:59:10,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:59:10,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:59:10,596 INFO L87 Difference]: Start difference. First operand 1039 states and 1894 transitions. Second operand 3 states. [2019-12-07 18:59:10,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:59:10,669 INFO L93 Difference]: Finished difference Result 1039 states and 1892 transitions. [2019-12-07 18:59:10,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:59:10,670 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1892 transitions. [2019-12-07 18:59:10,672 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2019-12-07 18:59:10,677 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 1039 states and 1892 transitions. [2019-12-07 18:59:10,677 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 281 [2019-12-07 18:59:10,678 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 281 [2019-12-07 18:59:10,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1039 states and 1892 transitions. [2019-12-07 18:59:10,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:59:10,678 INFO L688 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2019-12-07 18:59:10,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states and 1892 transitions. [2019-12-07 18:59:10,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1039. [2019-12-07 18:59:10,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1039 states. [2019-12-07 18:59:10,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1892 transitions. [2019-12-07 18:59:10,690 INFO L711 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2019-12-07 18:59:10,690 INFO L591 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2019-12-07 18:59:10,690 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 18:59:10,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1039 states and 1892 transitions. [2019-12-07 18:59:10,692 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2019-12-07 18:59:10,692 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:59:10,692 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:59:10,693 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:59:10,693 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:59:10,693 INFO L794 eck$LassoCheckResult]: Stem: 214384#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string20.base, #t~string20.offset, 1);call write~init~int(115, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(10, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(17);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(17);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(17);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(10);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(12);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(10);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(18);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(16);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(21);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(13);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(16);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(25);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(10);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(34);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(30);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(16);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(20);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(22);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(21);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(44);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(44);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(9);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(9);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(11);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(19);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string156.base, #t~string156.offset, 1);call write~init~int(100, #t~string156.base, 1 + #t~string156.offset, 1);call write~init~int(10, #t~string156.base, 2 + #t~string156.offset, 1);call write~init~int(0, #t~string156.base, 3 + #t~string156.offset, 1);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string159.base, #t~string159.offset, 1);call write~init~int(100, #t~string159.base, 1 + #t~string159.offset, 1);call write~init~int(10, #t~string159.base, 2 + #t~string159.offset, 1);call write~init~int(0, #t~string159.base, 3 + #t~string159.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__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;~in_encrypted~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 214061#L-1 havoc main_#res;havoc main_#t~ret151, main_~retValue_acc~44, main_~tmp~26;havoc main_~retValue_acc~44;havoc main_~tmp~26;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 214062#L86 havoc select_features_#t~ret1, select_features_#t~ret2, select_features_#t~ret3, select_features_#t~ret4, select_features_#t~ret5, select_features_#t~ret6, select_features_#t~ret7, select_features_#t~ret8;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 214090#L59 select_features_#t~ret1 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret1;havoc select_features_#t~ret1;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 214082#L59-1 select_features_#t~ret2 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret2;havoc select_features_#t~ret2;~__SELECTED_FEATURE_Encrypt~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 214083#L59-2 select_features_#t~ret3 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret3;havoc select_features_#t~ret3;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 214118#L59-3 select_features_#t~ret4 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret4;havoc select_features_#t~ret4;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 214113#L59-4 select_features_#t~ret5 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret5;havoc select_features_#t~ret5;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 214110#L59-5 select_features_#t~ret6 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret6;havoc select_features_#t~ret6;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 214108#L59-6 select_features_#t~ret7 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret7;havoc select_features_#t~ret7;havoc select_one_#res;havoc select_one_#t~nondet0, select_one_~retValue_acc~0, select_one_~choice~0;havoc select_one_~retValue_acc~0;select_one_~choice~0 := select_one_#t~nondet0;havoc select_one_#t~nondet0;select_one_~retValue_acc~0 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~0; 214059#L59-7 select_features_#t~ret8 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret8;havoc select_features_#t~ret8; 214060#L78 havoc valid_product_#res;havoc valid_product_~retValue_acc~1, valid_product_~tmp~0;havoc valid_product_~retValue_acc~1;havoc valid_product_~tmp~0; 214556#L94 assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 214286#L97 assume 0 != ~__SELECTED_FEATURE_Decrypt~0; 214069#L98 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 214070#L103 assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 214091#L107 assume 0 != ~__SELECTED_FEATURE_Keys~0; 214299#L108 assume 0 == ~__SELECTED_FEATURE_Sign~0; 214300#L113 assume 0 == ~__SELECTED_FEATURE_Verify~0; 214467#L118 assume 0 == ~__SELECTED_FEATURE_Sign~0; 214492#L123 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~0 := 1; 214276#L97-1 valid_product_~retValue_acc~1 := valid_product_~tmp~0;valid_product_#res := valid_product_~retValue_acc~1; 214277#L154 main_#t~ret151 := valid_product_#res;main_~tmp~26 := main_#t~ret151;havoc main_#t~ret151; 214375#L3315 assume 0 != main_~tmp~26;havoc setup_#t~nondet146, setup_#t~nondet148, setup_#t~nondet150, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.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; 214045#L3159 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 214046#L1883-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 214310#L1889-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string145.base, #t~string145.offset;havoc setup_#t~nondet146;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 214101#L3197 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 214102#L1883-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 214229#L1889-11 setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string147.base, #t~string147.offset;havoc setup_#t~nondet148;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 214231#L3235 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 214232#L1883-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 214164#L1889-17 setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.offset := #t~string149.base, #t~string149.offset;havoc setup_#t~nondet150; 214074#L3302 havoc test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, 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~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 214075#L401-1 assume !false; 214650#L210 assume test_~splverifierCounter~0 < 4; 214608#L211 [2019-12-07 18:59:10,693 INFO L796 eck$LassoCheckResult]: Loop: 214608#L211 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 214604#L217 assume !(0 == test_~op1~0); 214525#L234 assume !(0 == test_~op2~0); 214051#L252 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet11;havoc test_#t~nondet11; 214052#L257 assume 0 != test_~tmp___7~0; 214168#L258 assume !(0 != ~__SELECTED_FEATURE_Keys~0); 214321#L258-1 test_~op3~0 := 1; 214098#L401-1 assume !false; 214448#L210 assume test_~splverifierCounter~0 < 4; 214608#L211 [2019-12-07 18:59:10,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:10,694 INFO L82 PathProgramCache]: Analyzing trace with hash -307546040, now seen corresponding path program 1 times [2019-12-07 18:59:10,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:10,694 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708851285] [2019-12-07 18:59:10,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:10,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:59:10,737 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708851285] [2019-12-07 18:59:10,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:59:10,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:59:10,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468002113] [2019-12-07 18:59:10,738 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 18:59:10,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:10,738 INFO L82 PathProgramCache]: Analyzing trace with hash -986478044, now seen corresponding path program 1 times [2019-12-07 18:59:10,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:10,738 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693014286] [2019-12-07 18:59:10,738 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:59:10,750 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:59:10,776 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:59:10,777 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:59:10,777 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:59:10,777 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:59:10,777 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 18:59:10,777 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:10,777 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:59:10,777 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:59:10,777 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_productSimulator.cil.c_Iteration3_Loop [2019-12-07 18:59:10,777 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:59:10,777 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:59:10,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:10,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:10,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:10,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:10,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:10,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:10,851 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:59:10,851 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/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) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:10,855 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:59:10,855 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:59:10,858 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:59:10,859 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__SELECTED_FEATURE_Keys~0=0} Honda state: {~__SELECTED_FEATURE_Keys~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/bin/uautomizer/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:10,863 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:59:10,864 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:59:10,868 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:59:10,868 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet11=-4, ULTIMATE.start_test_~tmp___7~0=-4} Honda state: {ULTIMATE.start_test_#t~nondet11=-4, ULTIMATE.start_test_~tmp___7~0=-4} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/bin/uautomizer/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:10,873 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:59:10,873 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:59:10,877 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 18:59:10,878 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=7} Honda state: {ULTIMATE.start_test_~op1~0=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/bin/uautomizer/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:10,882 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 18:59:10,883 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/bin/uautomizer/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:10,890 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 18:59:10,890 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 18:59:10,960 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 18:59:10,961 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:59:10,961 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:59:10,961 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:59:10,961 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:59:10,961 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:59:10,961 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:10,961 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:59:10,961 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:59:10,962 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_productSimulator.cil.c_Iteration3_Loop [2019-12-07 18:59:10,962 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:59:10,962 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:59:10,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:10,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:10,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:10,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:10,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:10,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:59:11,036 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:59:11,036 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/bin/uautomizer/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:11,039 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 [2019-12-07 18:59:11,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:11,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:59:11,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:11,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:11,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:11,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:59:11,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:59:11,043 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/bin/uautomizer/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:11,047 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 [2019-12-07 18:59:11,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:11,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:59:11,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:11,048 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:59:11,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:11,049 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:59:11,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:59:11,050 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/bin/uautomizer/z3 Starting monitored process 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:11,054 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 [2019-12-07 18:59:11,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:11,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:59:11,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:11,055 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 18:59:11,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:11,057 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 18:59:11,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:59:11,059 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a5d3856-fa05-415b-9f3e-4bb4045c374a/bin/uautomizer/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:11,063 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 [2019-12-07 18:59:11,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:59:11,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:59:11,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:59:11,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:59:11,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:59:11,066 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:59:11,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:59:11,068 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:59:11,070 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 18:59:11,070 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_1a5d3856-fa05-415b-9f3e-4bb4045c374a/bin/uautomizer/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:59:11,074 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:59:11,074 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 18:59:11,074 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:59:11,074 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 5 Supporting invariants [] [2019-12-07 18:59:11,076 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 18:59:11,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:11,188 INFO L264 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:59:11,190 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:59:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:11,213 INFO L264 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 18:59:11,213 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:59:11,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:59:11,221 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 [2019-12-07 18:59:11,221 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1039 states and 1892 transitions. cyclomatic complexity: 857 Second operand 3 states. [2019-12-07 18:59:11,283 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1039 states and 1892 transitions. cyclomatic complexity: 857. Second operand 3 states. Result 2228 states and 4083 transitions. Complement of second has 4 states. [2019-12-07 18:59:11,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 18:59:11,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 18:59:11,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 599 transitions. [2019-12-07 18:59:11,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 36 letters. Loop has 9 letters. [2019-12-07 18:59:11,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:59:11,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 45 letters. Loop has 9 letters. [2019-12-07 18:59:11,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:59:11,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 36 letters. Loop has 18 letters. [2019-12-07 18:59:11,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:59:11,286 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2228 states and 4083 transitions. [2019-12-07 18:59:11,292 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:59:11,293 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2228 states to 0 states and 0 transitions. [2019-12-07 18:59:11,293 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 18:59:11,293 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 18:59:11,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 18:59:11,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:59:11,293 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:59:11,293 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:59:11,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:59:11,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:59:11,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:59:11,294 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-12-07 18:59:11,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:59:11,294 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-12-07 18:59:11,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 18:59:11,294 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-12-07 18:59:11,294 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:59:11,294 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 18:59:11,294 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 18:59:11,294 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 18:59:11,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 18:59:11,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:59:11,294 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:59:11,295 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:59:11,295 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:59:11,295 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 18:59:11,295 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:59:11,295 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:59:11,295 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 18:59:11,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 06:59:11 BoogieIcfgContainer [2019-12-07 18:59:11,299 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 18:59:11,300 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:59:11,300 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:59:11,300 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:59:11,300 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:59:05" (3/4) ... [2019-12-07 18:59:11,303 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:59:11,303 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:59:11,304 INFO L168 Benchmark]: Toolchain (without parser) took 47734.27 ms. Allocated memory was 1.0 GB in the beginning and 5.4 GB in the end (delta: 4.4 GB). Free memory was 940.7 MB in the beginning and 1.4 GB in the end (delta: -453.4 MB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. [2019-12-07 18:59:11,305 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:59:11,305 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 940.7 MB in the beginning and 1.0 GB in the end (delta: -67.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:59:11,306 INFO L168 Benchmark]: Boogie Procedure Inliner took 1939.62 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 566.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -85.7 MB). Peak memory consumption was 570.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:59:11,306 INFO L168 Benchmark]: Boogie Preprocessor took 1702.78 ms. Allocated memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 7.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.9 MB). Peak memory consumption was 670.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:59:11,307 INFO L168 Benchmark]: RCFGBuilder took 37590.16 ms. Allocated memory was 1.7 GB in the beginning and 4.7 GB in the end (delta: 3.0 GB). Free memory was 1.1 GB in the beginning and 2.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.9 GB. Max. memory is 11.5 GB. [2019-12-07 18:59:11,307 INFO L168 Benchmark]: BuchiAutomizer took 5902.69 ms. Allocated memory was 4.7 GB in the beginning and 5.4 GB in the end (delta: 734.0 MB). Free memory was 2.8 GB in the beginning and 1.4 GB in the end (delta: 1.4 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2019-12-07 18:59:11,307 INFO L168 Benchmark]: Witness Printer took 3.09 ms. Allocated memory is still 5.4 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:59:11,310 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 592.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 940.7 MB in the beginning and 1.0 GB in the end (delta: -67.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 1939.62 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 566.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -85.7 MB). Peak memory consumption was 570.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 1702.78 ms. Allocated memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 7.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.9 MB). Peak memory consumption was 670.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 37590.16 ms. Allocated memory was 1.7 GB in the beginning and 4.7 GB in the end (delta: 3.0 GB). Free memory was 1.1 GB in the beginning and 2.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.9 GB. Max. memory is 11.5 GB. * BuchiAutomizer took 5902.69 ms. Allocated memory was 4.7 GB in the beginning and 5.4 GB in the end (delta: 734.0 MB). Free memory was 2.8 GB in the beginning and 1.4 GB in the end (delta: 1.4 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. * Witness Printer took 3.09 ms. Allocated memory is still 5.4 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op1 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * op2 + 1 and consists of 4 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 5 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 3.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 1392 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.5s Buchi closure took 0.0s. Biggest automaton had 1039 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 114400 SDtfs, 113898 SDslu, 170830 SDs, 0 SdLazy, 37 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT3 lasso0 LassoPreprocessingBenchmarks: Lassos: inital30 mio100 ax100 hnf100 lsp33 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 6ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...