./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec27_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_baafa5ee-3202-40e6-b5a0-becce1b8ca15/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_baafa5ee-3202-40e6-b5a0-becce1b8ca15/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_baafa5ee-3202-40e6-b5a0-becce1b8ca15/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_baafa5ee-3202-40e6-b5a0-becce1b8ca15/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_baafa5ee-3202-40e6-b5a0-becce1b8ca15/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_baafa5ee-3202-40e6-b5a0-becce1b8ca15/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 b40648640c1108bc7fcd2b5380a3e47182486584 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 12:17:12,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:17:12,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:17:12,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:17:12,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:17:12,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:17:12,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:17:12,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:17:12,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:17:12,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:17:12,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:17:12,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:17:12,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:17:12,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:17:12,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:17:12,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:17:12,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:17:12,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:17:12,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:17:12,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:17:12,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:17:12,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:17:12,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:17:12,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:17:12,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:17:12,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:17:12,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:17:12,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:17:12,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:17:12,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:17:12,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:17:12,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:17:12,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:17:12,858 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:17:12,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:17:12,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:17:12,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:17:12,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:17:12,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:17:12,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:17:12,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:17:12,860 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_baafa5ee-3202-40e6-b5a0-becce1b8ca15/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 12:17:12,871 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:17:12,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:17:12,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:17:12,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:17:12,872 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:17:12,873 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 12:17:12,873 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 12:17:12,873 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 12:17:12,873 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 12:17:12,873 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 12:17:12,873 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 12:17:12,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:17:12,873 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:17:12,873 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 12:17:12,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:17:12,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:17:12,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:17:12,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 12:17:12,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 12:17:12,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 12:17:12,874 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:17:12,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:17:12,875 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 12:17:12,875 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:17:12,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 12:17:12,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:17:12,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:17:12,875 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 12:17:12,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:17:12,876 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:17:12,876 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:17:12,876 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 12:17:12,876 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 12:17:12,876 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_baafa5ee-3202-40e6-b5a0-becce1b8ca15/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 -> b40648640c1108bc7fcd2b5380a3e47182486584 [2019-12-07 12:17:12,974 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:17:12,984 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:17:12,986 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:17:12,988 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:17:12,988 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:17:12,989 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_baafa5ee-3202-40e6-b5a0-becce1b8ca15/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c [2019-12-07 12:17:13,029 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_baafa5ee-3202-40e6-b5a0-becce1b8ca15/bin/uautomizer/data/c07712745/7a3ee232e8774c71b59290368cc9b0b2/FLAGbfbc48ba5 [2019-12-07 12:17:13,463 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:17:13,464 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_baafa5ee-3202-40e6-b5a0-becce1b8ca15/sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c [2019-12-07 12:17:13,478 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_baafa5ee-3202-40e6-b5a0-becce1b8ca15/bin/uautomizer/data/c07712745/7a3ee232e8774c71b59290368cc9b0b2/FLAGbfbc48ba5 [2019-12-07 12:17:13,486 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_baafa5ee-3202-40e6-b5a0-becce1b8ca15/bin/uautomizer/data/c07712745/7a3ee232e8774c71b59290368cc9b0b2 [2019-12-07 12:17:13,488 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:17:13,489 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:17:13,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:17:13,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:17:13,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:17:13,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:17:13" (1/1) ... [2019-12-07 12:17:13,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8207e9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:13, skipping insertion in model container [2019-12-07 12:17:13,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:17:13" (1/1) ... [2019-12-07 12:17:13,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:17:13,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:17:13,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:17:13,976 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:17:14,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:17:14,188 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:17:14,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:14 WrapperNode [2019-12-07 12:17:14,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:17:14,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:17:14,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:17:14,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:17:14,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:14" (1/1) ... [2019-12-07 12:17:14,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:14" (1/1) ... [2019-12-07 12:17:16,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:17:16,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:17:16,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:17:16,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:17:16,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:14" (1/1) ... [2019-12-07 12:17:16,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:14" (1/1) ... [2019-12-07 12:17:16,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:14" (1/1) ... [2019-12-07 12:17:16,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:14" (1/1) ... [2019-12-07 12:17:17,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:14" (1/1) ... [2019-12-07 12:17:17,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:14" (1/1) ... [2019-12-07 12:17:17,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:14" (1/1) ... [2019-12-07 12:17:18,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:17:18,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:17:18,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:17:18,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:17:18,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baafa5ee-3202-40e6-b5a0-becce1b8ca15/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 12:17:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-12-07 12:17:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:17:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 12:17:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:17:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:18:02,632 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:18:02,632 INFO L287 CfgBuilder]: Removed 40731 assume(true) statements. [2019-12-07 12:18:02,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:18:02 BoogieIcfgContainer [2019-12-07 12:18:02,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:18:02,650 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 12:18:02,650 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 12:18:02,652 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 12:18:02,653 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:18:02,653 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 12:17:13" (1/3) ... [2019-12-07 12:18:02,654 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5acb59ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:18:02, skipping insertion in model container [2019-12-07 12:18:02,654 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:18:02,654 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:14" (2/3) ... [2019-12-07 12:18:02,654 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5acb59ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:18:02, skipping insertion in model container [2019-12-07 12:18:02,654 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:18:02,654 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:18:02" (3/3) ... [2019-12-07 12:18:02,655 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec27_productSimulator.cil.c [2019-12-07 12:18:02,683 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 12:18:02,683 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 12:18:02,683 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 12:18:02,683 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:18:02,684 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:18:02,684 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 12:18:02,684 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:18:02,684 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 12:18:02,969 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44692 states. [2019-12-07 12:18:03,283 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2019-12-07 12:18:03,284 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:18:03,284 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:18:03,291 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 12:18:03,291 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:18:03,291 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 12:18:03,291 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44692 states. [2019-12-07 12:18:03,479 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2019-12-07 12:18:03,479 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:18:03,479 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:18:03,481 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 12:18:03,481 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:18:03,486 INFO L794 eck$LassoCheckResult]: Stem: 1685#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string35.base, #t~string35.offset, 1);call write~init~int(115, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(10, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 3 + #t~string35.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(16);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(10);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(34);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(16);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(20);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(22);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(21);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(44);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(44);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(9);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(9);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(11);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(19);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string120.base, #t~string120.offset, 1);call write~init~int(100, #t~string120.base, 1 + #t~string120.offset, 1);call write~init~int(10, #t~string120.base, 2 + #t~string120.offset, 1);call write~init~int(0, #t~string120.base, 3 + #t~string120.offset, 1);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string123.base, #t~string123.offset, 1);call write~init~int(100, #t~string123.base, 1 + #t~string123.offset, 1);call write~init~int(10, #t~string123.base, 2 + #t~string123.offset, 1);call write~init~int(0, #t~string123.base, 3 + #t~string123.offset, 1);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(10);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(12);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(10);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(18);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(16);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(21);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(13);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(16);call #t~string155.base, #t~string155.offset := #Ultimate.allocOnStack(25);~head~0.base, ~head~0.offset := 0, 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 24079#L-1true havoc main_#res;havoc main_#t~ret115, main_~retValue_acc~39, main_~tmp~21;havoc main_~retValue_acc~39;havoc main_~tmp~21;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 43924#L479true havoc select_features_#t~ret38, select_features_#t~ret39, select_features_#t~ret40, select_features_#t~ret41, select_features_#t~ret42, select_features_#t~ret43, select_features_#t~ret44, select_features_#t~ret45;havoc select_one_#res;havoc select_one_#t~nondet37, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet37;havoc select_one_#t~nondet37;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 44431#L452true select_features_#t~ret38 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret38;havoc select_features_#t~ret38;havoc select_one_#res;havoc select_one_#t~nondet37, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet37;havoc select_one_#t~nondet37;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 44432#L452-1true select_features_#t~ret39 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret39;havoc select_features_#t~ret39;havoc select_one_#res;havoc select_one_#t~nondet37, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet37;havoc select_one_#t~nondet37;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 44437#L452-2true select_features_#t~ret40 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret40;havoc select_features_#t~ret40;havoc select_one_#res;havoc select_one_#t~nondet37, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet37;havoc select_one_#t~nondet37;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 44438#L452-3true select_features_#t~ret41 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret41;havoc select_features_#t~ret41;havoc select_one_#res;havoc select_one_#t~nondet37, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet37;havoc select_one_#t~nondet37;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 44441#L452-4true select_features_#t~ret42 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret42;havoc select_features_#t~ret42;havoc select_one_#res;havoc select_one_#t~nondet37, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet37;havoc select_one_#t~nondet37;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 44442#L452-5true select_features_#t~ret43 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret43;havoc select_features_#t~ret43;havoc select_one_#res;havoc select_one_#t~nondet37, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet37;havoc select_one_#t~nondet37;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 44423#L452-6true select_features_#t~ret44 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret44;havoc select_features_#t~ret44;~__SELECTED_FEATURE_Verify~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet37, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet37;havoc select_one_#t~nondet37;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 44424#L452-7true select_features_#t~ret45 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret45;havoc select_features_#t~ret45; 44152#L471true havoc valid_product_#res;havoc valid_product_~retValue_acc~5, valid_product_~tmp~3;havoc valid_product_~retValue_acc~5;havoc valid_product_~tmp~3; 38924#L487true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 38799#L490true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~3 := 0; 38788#L490-1true valid_product_~retValue_acc~5 := valid_product_~tmp~3;valid_product_#res := valid_product_~retValue_acc~5; 40114#L547true main_#t~ret115 := valid_product_#res;main_~tmp~21 := main_#t~ret115;havoc main_#t~ret115; 1683#L3105true assume 0 != main_~tmp~21;havoc setup_#t~nondet110, setup_#t~nondet112, setup_#t~nondet114, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.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; 2310#L2949true 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; 3739#L1615-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3598#L1621-5true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string109.base, #t~string109.offset;havoc setup_#t~nondet110;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 2009#L2987true 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; 3736#L1615-6true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3583#L1621-11true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string111.base, #t~string111.offset;havoc setup_#t~nondet112;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 3735#L3025true 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; 3738#L1615-10true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3548#L1621-17true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string113.base, #t~string113.offset;havoc setup_#t~nondet114; 1781#L3092true havoc test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, 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~6, 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~6;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; 43607#L1874-1true [2019-12-07 12:18:03,486 INFO L796 eck$LassoCheckResult]: Loop: 43607#L1874-1true assume !false; 1780#L1683true assume test_~splverifierCounter~0 < 4; 1782#L1684true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 1763#L1690true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet48;havoc test_#t~nondet48; 1682#L1694true assume 0 != test_~tmp___9~0; 1690#L1695true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 1686#L1695-1true test_~op1~0 := 1; 43607#L1874-1true [2019-12-07 12:18:03,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:18:03,491 INFO L82 PathProgramCache]: Analyzing trace with hash -2102633898, now seen corresponding path program 1 times [2019-12-07 12:18:03,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:18:03,497 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439089679] [2019-12-07 12:18:03,497 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:18:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:18:03,713 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 12:18:03,713 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439089679] [2019-12-07 12:18:03,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:18:03,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 12:18:03,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656281870] [2019-12-07 12:18:03,718 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 12:18:03,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:18:03,718 INFO L82 PathProgramCache]: Analyzing trace with hash 569592791, now seen corresponding path program 1 times [2019-12-07 12:18:03,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:18:03,718 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635928487] [2019-12-07 12:18:03,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:18:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:18:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:18:03,747 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:18:03,775 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 12:18:03,776 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 12:18:03,776 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 12:18:03,776 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 12:18:03,776 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 12:18:03,776 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:18:03,776 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 12:18:03,776 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 12:18:03,776 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration1_Loop [2019-12-07 12:18:03,776 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 12:18:03,777 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 12:18:03,791 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 12:18:03,797 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 12:18:03,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:18:03,803 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 12:18:03,864 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 12:18:03,864 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baafa5ee-3202-40e6-b5a0-becce1b8ca15/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 12:18:03,869 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 12:18:03,869 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baafa5ee-3202-40e6-b5a0-becce1b8ca15/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 12:18:03,877 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 12:18:03,878 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 12:18:03,883 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 12:18:03,885 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 12:18:03,885 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 12:18:03,885 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 12:18:03,885 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 12:18:03,885 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 12:18:03,885 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:18:03,885 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 12:18:03,886 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 12:18:03,886 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration1_Loop [2019-12-07 12:18:03,886 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 12:18:03,886 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 12:18:03,887 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 12:18:03,891 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 12:18:03,895 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 12:18:03,897 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 12:18:03,944 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 12:18:03,948 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baafa5ee-3202-40e6-b5a0-becce1b8ca15/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 12:18:03,952 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 12:18:03,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:18:03,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:18:03,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:18:03,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:18:03,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:18:03,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:18:03,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:18:03,958 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 12:18:03,962 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 12:18:03,962 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_baafa5ee-3202-40e6-b5a0-becce1b8ca15/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 12:18:03,972 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 12:18:03,972 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 12:18:03,972 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 12:18:03,973 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 12:18:03,976 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 12:18:04,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:18:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:18:04,136 INFO L264 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:18:04,140 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:18:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:18:04,167 INFO L264 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 12:18:04,167 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:18:04,183 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 12:18:04,197 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 12:18:04,199 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 44692 states. Second operand 4 states. [2019-12-07 12:18:07,300 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 44692 states.. Second operand 4 states. Result 222831 states and 364384 transitions. Complement of second has 7 states. [2019-12-07 12:18:07,301 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 12:18:07,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 12:18:07,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 219108 transitions. [2019-12-07 12:18:07,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 219108 transitions. Stem has 27 letters. Loop has 7 letters. [2019-12-07 12:18:07,477 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:18:07,477 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 219108 transitions. Stem has 34 letters. Loop has 7 letters. [2019-12-07 12:18:07,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:18:07,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 219108 transitions. Stem has 27 letters. Loop has 14 letters. [2019-12-07 12:18:07,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:18:07,479 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 222831 states and 364384 transitions. [2019-12-07 12:18:08,218 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 435 [2019-12-07 12:18:08,233 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 222831 states to 990 states and 1812 transitions. [2019-12-07 12:18:08,234 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 501 [2019-12-07 12:18:08,235 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 502 [2019-12-07 12:18:08,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 990 states and 1812 transitions. [2019-12-07 12:18:08,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 12:18:08,240 INFO L688 BuchiCegarLoop]: Abstraction has 990 states and 1812 transitions. [2019-12-07 12:18:08,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states and 1812 transitions. [2019-12-07 12:18:08,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 555. [2019-12-07 12:18:08,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2019-12-07 12:18:08,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1011 transitions. [2019-12-07 12:18:08,284 INFO L711 BuchiCegarLoop]: Abstraction has 555 states and 1011 transitions. [2019-12-07 12:18:08,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:18:08,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:18:08,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:18:08,288 INFO L87 Difference]: Start difference. First operand 555 states and 1011 transitions. Second operand 5 states. [2019-12-07 12:18:08,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:18:08,343 INFO L93 Difference]: Finished difference Result 558 states and 1013 transitions. [2019-12-07 12:18:08,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:18:08,344 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 558 states and 1013 transitions. [2019-12-07 12:18:08,347 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2019-12-07 12:18:08,350 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 558 states to 555 states and 1004 transitions. [2019-12-07 12:18:08,350 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 284 [2019-12-07 12:18:08,351 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 284 [2019-12-07 12:18:08,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 555 states and 1004 transitions. [2019-12-07 12:18:08,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 12:18:08,351 INFO L688 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2019-12-07 12:18:08,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states and 1004 transitions. [2019-12-07 12:18:08,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2019-12-07 12:18:08,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2019-12-07 12:18:08,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1004 transitions. [2019-12-07 12:18:08,363 INFO L711 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2019-12-07 12:18:08,363 INFO L591 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2019-12-07 12:18:08,363 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 12:18:08,363 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 555 states and 1004 transitions. [2019-12-07 12:18:08,364 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2019-12-07 12:18:08,364 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:18:08,365 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:18:08,366 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 12:18:08,366 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:18:08,366 INFO L794 eck$LassoCheckResult]: Stem: 269110#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string35.base, #t~string35.offset, 1);call write~init~int(115, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(10, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 3 + #t~string35.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(16);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(10);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(34);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(16);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(20);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(22);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(21);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(44);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(44);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(9);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(9);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(11);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(19);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string120.base, #t~string120.offset, 1);call write~init~int(100, #t~string120.base, 1 + #t~string120.offset, 1);call write~init~int(10, #t~string120.base, 2 + #t~string120.offset, 1);call write~init~int(0, #t~string120.base, 3 + #t~string120.offset, 1);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string123.base, #t~string123.offset, 1);call write~init~int(100, #t~string123.base, 1 + #t~string123.offset, 1);call write~init~int(10, #t~string123.base, 2 + #t~string123.offset, 1);call write~init~int(0, #t~string123.base, 3 + #t~string123.offset, 1);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(10);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(12);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(10);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(18);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(16);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(21);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(13);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(16);call #t~string155.base, #t~string155.offset := #Ultimate.allocOnStack(25);~head~0.base, ~head~0.offset := 0, 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 268804#L-1 havoc main_#res;havoc main_#t~ret115, main_~retValue_acc~39, main_~tmp~21;havoc main_~retValue_acc~39;havoc main_~tmp~21;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 268805#L479 havoc select_features_#t~ret38, select_features_#t~ret39, select_features_#t~ret40, select_features_#t~ret41, select_features_#t~ret42, select_features_#t~ret43, select_features_#t~ret44, select_features_#t~ret45;havoc select_one_#res;havoc select_one_#t~nondet37, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet37;havoc select_one_#t~nondet37;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 269099#L452 select_features_#t~ret38 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret38;havoc select_features_#t~ret38;havoc select_one_#res;havoc select_one_#t~nondet37, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet37;havoc select_one_#t~nondet37;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 269268#L452-1 select_features_#t~ret39 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret39;havoc select_features_#t~ret39;havoc select_one_#res;havoc select_one_#t~nondet37, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet37;havoc select_one_#t~nondet37;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 269273#L452-2 select_features_#t~ret40 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret40;havoc select_features_#t~ret40;havoc select_one_#res;havoc select_one_#t~nondet37, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet37;havoc select_one_#t~nondet37;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 269277#L452-3 select_features_#t~ret41 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret41;havoc select_features_#t~ret41;havoc select_one_#res;havoc select_one_#t~nondet37, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet37;havoc select_one_#t~nondet37;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 269279#L452-4 select_features_#t~ret42 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret42;havoc select_features_#t~ret42;havoc select_one_#res;havoc select_one_#t~nondet37, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet37;havoc select_one_#t~nondet37;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 269280#L452-5 select_features_#t~ret43 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret43;havoc select_features_#t~ret43;havoc select_one_#res;havoc select_one_#t~nondet37, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet37;havoc select_one_#t~nondet37;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 269265#L452-6 select_features_#t~ret44 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret44;havoc select_features_#t~ret44;~__SELECTED_FEATURE_Verify~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet37, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet37;havoc select_one_#t~nondet37;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 269266#L452-7 select_features_#t~ret45 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret45;havoc select_features_#t~ret45; 269267#L471 havoc valid_product_#res;havoc valid_product_~retValue_acc~5, valid_product_~tmp~3;havoc valid_product_~retValue_acc~5;havoc valid_product_~tmp~3; 269281#L487 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 269098#L491 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 269213#L496 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 269096#L501 assume 0 == ~__SELECTED_FEATURE_Sign~0; 268858#L506 assume 0 == ~__SELECTED_FEATURE_Verify~0; 268801#L511 assume 0 == ~__SELECTED_FEATURE_Sign~0; 268802#L516 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~3 := 1; 268856#L490-1 valid_product_~retValue_acc~5 := valid_product_~tmp~3;valid_product_#res := valid_product_~retValue_acc~5; 269056#L547 main_#t~ret115 := valid_product_#res;main_~tmp~21 := main_#t~ret115;havoc main_#t~ret115; 269095#L3105 assume 0 != main_~tmp~21;havoc setup_#t~nondet110, setup_#t~nondet112, setup_#t~nondet114, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.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; 269013#L2949 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; 269014#L1615-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 269205#L1621-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string109.base, #t~string109.offset;havoc setup_#t~nondet110;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 269282#L2987 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; 269283#L1615-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 269163#L1621-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string111.base, #t~string111.offset;havoc setup_#t~nondet112;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 269320#L3025 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; 269322#L1615-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 269114#L1621-17 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string113.base, #t~string113.offset;havoc setup_#t~nondet114; 269003#L3092 havoc test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, 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~6, 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~6;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; 269004#L1874-1 assume !false; 268913#L1683 [2019-12-07 12:18:08,366 INFO L796 eck$LassoCheckResult]: Loop: 268913#L1683 assume test_~splverifierCounter~0 < 4; 268914#L1684 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 269132#L1690 assume !(0 == test_~op1~0); 268918#L1707 assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet49;havoc test_#t~nondet49; 269050#L1712 assume 0 != test_~tmp___8~0; 269126#L1713 assume !(0 != ~__SELECTED_FEATURE_AutoResponder~0); 268784#L1713-1 test_~op2~0 := 1; 268833#L1874-1 assume !false; 268913#L1683 [2019-12-07 12:18:08,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:18:08,367 INFO L82 PathProgramCache]: Analyzing trace with hash 507241003, now seen corresponding path program 1 times [2019-12-07 12:18:08,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:18:08,367 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055985248] [2019-12-07 12:18:08,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:18:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:18:08,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:18:08,436 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055985248] [2019-12-07 12:18:08,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:18:08,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:18:08,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586996840] [2019-12-07 12:18:08,437 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 12:18:08,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:18:08,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1422577527, now seen corresponding path program 1 times [2019-12-07 12:18:08,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:18:08,437 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661950698] [2019-12-07 12:18:08,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:18:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:18:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:18:08,453 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:18:08,478 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 12:18:08,479 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 12:18:08,479 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 12:18:08,479 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 12:18:08,479 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 12:18:08,479 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:18:08,479 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 12:18:08,479 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 12:18:08,479 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration2_Loop [2019-12-07 12:18:08,480 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 12:18:08,480 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 12:18:08,481 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 12:18:08,486 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 12:18:08,488 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 12:18:08,492 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 12:18:08,494 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 12:18:08,548 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 12:18:08,548 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baafa5ee-3202-40e6-b5a0-becce1b8ca15/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 12:18:08,551 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 12:18:08,551 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baafa5ee-3202-40e6-b5a0-becce1b8ca15/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 12:18:08,558 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 12:18:08,558 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 12:18:08,561 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 12:18:08,563 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 12:18:08,563 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 12:18:08,563 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 12:18:08,563 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 12:18:08,563 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 12:18:08,563 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:18:08,563 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 12:18:08,563 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 12:18:08,563 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration2_Loop [2019-12-07 12:18:08,563 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 12:18:08,563 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 12:18:08,564 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 12:18:08,568 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 12:18:08,572 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 12:18:08,574 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 12:18:08,576 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 12:18:08,635 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 12:18:08,636 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baafa5ee-3202-40e6-b5a0-becce1b8ca15/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 12:18:08,839 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 12:18:08,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:18:08,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:18:08,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:18:08,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:18:08,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:18:08,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:18:08,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:18:08,847 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 12:18:08,851 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 12:18:08,851 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_baafa5ee-3202-40e6-b5a0-becce1b8ca15/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 12:18:08,855 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 12:18:08,855 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 12:18:08,856 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 12:18:08,856 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 12:18:08,858 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 12:18:08,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:18:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:18:08,986 INFO L264 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:18:08,989 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:18:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:18:09,009 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 12:18:09,009 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:18:09,025 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 12:18:09,026 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 12:18:09,026 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 555 states and 1004 transitions. cyclomatic complexity: 451 Second operand 5 states. [2019-12-07 12:18:09,140 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 12:18:09,140 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 12:18:09,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 12:18:09,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1089 transitions. [2019-12-07 12:18:09,141 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 8 letters. [2019-12-07 12:18:09,142 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:18:09,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 41 letters. Loop has 8 letters. [2019-12-07 12:18:09,142 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:18:09,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 16 letters. [2019-12-07 12:18:09,143 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:18:09,143 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2006 states and 3673 transitions. [2019-12-07 12:18:09,148 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 425 [2019-12-07 12:18:09,160 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2006 states to 1996 states and 3655 transitions. [2019-12-07 12:18:09,160 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 494 [2019-12-07 12:18:09,161 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 496 [2019-12-07 12:18:09,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1996 states and 3655 transitions. [2019-12-07 12:18:09,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 12:18:09,161 INFO L688 BuchiCegarLoop]: Abstraction has 1996 states and 3655 transitions. [2019-12-07 12:18:09,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states and 3655 transitions. [2019-12-07 12:18:09,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1039. [2019-12-07 12:18:09,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1039 states. [2019-12-07 12:18:09,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1894 transitions. [2019-12-07 12:18:09,180 INFO L711 BuchiCegarLoop]: Abstraction has 1039 states and 1894 transitions. [2019-12-07 12:18:09,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:18:09,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:18:09,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:18:09,181 INFO L87 Difference]: Start difference. First operand 1039 states and 1894 transitions. Second operand 3 states. [2019-12-07 12:18:09,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:18:09,255 INFO L93 Difference]: Finished difference Result 1039 states and 1893 transitions. [2019-12-07 12:18:09,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:18:09,256 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1893 transitions. [2019-12-07 12:18:09,259 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2019-12-07 12:18:09,267 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 1039 states and 1893 transitions. [2019-12-07 12:18:09,267 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 281 [2019-12-07 12:18:09,267 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 281 [2019-12-07 12:18:09,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1039 states and 1893 transitions. [2019-12-07 12:18:09,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 12:18:09,268 INFO L688 BuchiCegarLoop]: Abstraction has 1039 states and 1893 transitions. [2019-12-07 12:18:09,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states and 1893 transitions. [2019-12-07 12:18:09,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1039. [2019-12-07 12:18:09,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1039 states. [2019-12-07 12:18:09,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1893 transitions. [2019-12-07 12:18:09,281 INFO L711 BuchiCegarLoop]: Abstraction has 1039 states and 1893 transitions. [2019-12-07 12:18:09,281 INFO L591 BuchiCegarLoop]: Abstraction has 1039 states and 1893 transitions. [2019-12-07 12:18:09,281 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 12:18:09,281 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1039 states and 1893 transitions. [2019-12-07 12:18:09,282 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2019-12-07 12:18:09,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:18:09,283 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:18:09,284 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] [2019-12-07 12:18:09,284 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:18:09,284 INFO L794 eck$LassoCheckResult]: Stem: 273888#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string35.base, #t~string35.offset, 1);call write~init~int(115, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(10, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 3 + #t~string35.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(16);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(10);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(34);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(16);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(20);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(22);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(21);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(44);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(44);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(9);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(9);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(11);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(19);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string120.base, #t~string120.offset, 1);call write~init~int(100, #t~string120.base, 1 + #t~string120.offset, 1);call write~init~int(10, #t~string120.base, 2 + #t~string120.offset, 1);call write~init~int(0, #t~string120.base, 3 + #t~string120.offset, 1);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string123.base, #t~string123.offset, 1);call write~init~int(100, #t~string123.base, 1 + #t~string123.offset, 1);call write~init~int(10, #t~string123.base, 2 + #t~string123.offset, 1);call write~init~int(0, #t~string123.base, 3 + #t~string123.offset, 1);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(10);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(12);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(10);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(18);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(16);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(21);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(13);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(16);call #t~string155.base, #t~string155.offset := #Ultimate.allocOnStack(25);~head~0.base, ~head~0.offset := 0, 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 273587#L-1 havoc main_#res;havoc main_#t~ret115, main_~retValue_acc~39, main_~tmp~21;havoc main_~retValue_acc~39;havoc main_~tmp~21;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 273588#L479 havoc select_features_#t~ret38, select_features_#t~ret39, select_features_#t~ret40, select_features_#t~ret41, select_features_#t~ret42, select_features_#t~ret43, select_features_#t~ret44, select_features_#t~ret45;havoc select_one_#res;havoc select_one_#t~nondet37, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet37;havoc select_one_#t~nondet37;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 273883#L452 select_features_#t~ret38 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret38;havoc select_features_#t~ret38;havoc select_one_#res;havoc select_one_#t~nondet37, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet37;havoc select_one_#t~nondet37;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 274057#L452-1 select_features_#t~ret39 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret39;havoc select_features_#t~ret39;havoc select_one_#res;havoc select_one_#t~nondet37, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet37;havoc select_one_#t~nondet37;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 274060#L452-2 select_features_#t~ret40 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret40;havoc select_features_#t~ret40;havoc select_one_#res;havoc select_one_#t~nondet37, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet37;havoc select_one_#t~nondet37;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 274066#L452-3 select_features_#t~ret41 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret41;havoc select_features_#t~ret41;havoc select_one_#res;havoc select_one_#t~nondet37, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet37;havoc select_one_#t~nondet37;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 274067#L452-4 select_features_#t~ret42 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret42;havoc select_features_#t~ret42;havoc select_one_#res;havoc select_one_#t~nondet37, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet37;havoc select_one_#t~nondet37;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 274071#L452-5 select_features_#t~ret43 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret43;havoc select_features_#t~ret43;havoc select_one_#res;havoc select_one_#t~nondet37, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet37;havoc select_one_#t~nondet37;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 274051#L452-6 select_features_#t~ret44 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret44;havoc select_features_#t~ret44;~__SELECTED_FEATURE_Verify~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet37, select_one_~retValue_acc~4, select_one_~choice~0;havoc select_one_~retValue_acc~4;select_one_~choice~0 := select_one_#t~nondet37;havoc select_one_#t~nondet37;select_one_~retValue_acc~4 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~4; 274052#L452-7 select_features_#t~ret45 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret45;havoc select_features_#t~ret45; 274053#L471 havoc valid_product_#res;havoc valid_product_~retValue_acc~5, valid_product_~tmp~3;havoc valid_product_~retValue_acc~5;havoc valid_product_~tmp~3; 274072#L487 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 273882#L491 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 273992#L496 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 273880#L501 assume 0 == ~__SELECTED_FEATURE_Sign~0; 273641#L506 assume !(0 == ~__SELECTED_FEATURE_Verify~0); 273785#L510 assume 0 != ~__SELECTED_FEATURE_Sign~0; 273584#L511 assume 0 == ~__SELECTED_FEATURE_Sign~0; 273585#L516 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~3 := 1; 273633#L490-1 valid_product_~retValue_acc~5 := valid_product_~tmp~3;valid_product_#res := valid_product_~retValue_acc~5; 273840#L547 main_#t~ret115 := valid_product_#res;main_~tmp~21 := main_#t~ret115;havoc main_#t~ret115; 273877#L3105 assume 0 != main_~tmp~21;havoc setup_#t~nondet110, setup_#t~nondet112, setup_#t~nondet114, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.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; 273796#L2949 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; 273797#L1615-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 273988#L1621-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string109.base, #t~string109.offset;havoc setup_#t~nondet110;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 274073#L2987 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; 274074#L1615-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 273946#L1621-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string111.base, #t~string111.offset;havoc setup_#t~nondet112;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 274114#L3025 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; 274116#L1615-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 273896#L1621-17 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string113.base, #t~string113.offset;havoc setup_#t~nondet114; 273786#L3092 havoc test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, 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~6, 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~6;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; 273787#L1874-1 assume !false; 274178#L1683 assume test_~splverifierCounter~0 < 4; 273965#L1684 [2019-12-07 12:18:09,285 INFO L796 eck$LassoCheckResult]: Loop: 273965#L1684 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 273911#L1690 assume !(0 == test_~op1~0); 273702#L1707 assume !(0 == test_~op2~0); 273834#L1725 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet50;havoc test_#t~nondet50; 274026#L1730 assume 0 != test_~tmp___7~0; 274027#L1731 assume !(0 != ~__SELECTED_FEATURE_Keys~0); 273919#L1731-1 test_~op3~0 := 1; 273616#L1874-1 assume !false; 274121#L1683 assume test_~splverifierCounter~0 < 4; 273965#L1684 [2019-12-07 12:18:09,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:18:09,285 INFO L82 PathProgramCache]: Analyzing trace with hash -274677724, now seen corresponding path program 1 times [2019-12-07 12:18:09,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:18:09,285 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732550223] [2019-12-07 12:18:09,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:18:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:18:09,341 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 12:18:09,341 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732550223] [2019-12-07 12:18:09,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:18:09,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:18:09,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485608609] [2019-12-07 12:18:09,342 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 12:18:09,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:18:09,342 INFO L82 PathProgramCache]: Analyzing trace with hash -986478044, now seen corresponding path program 1 times [2019-12-07 12:18:09,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:18:09,343 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995768281] [2019-12-07 12:18:09,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:18:09,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:18:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:18:09,359 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:18:09,385 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 12:18:09,386 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 12:18:09,386 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 12:18:09,386 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 12:18:09,386 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 12:18:09,386 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:18:09,386 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 12:18:09,386 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 12:18:09,386 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration3_Loop [2019-12-07 12:18:09,386 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 12:18:09,386 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 12:18:09,388 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 12:18:09,390 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 12:18:09,394 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 12:18:09,396 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 12:18:09,400 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 12:18:09,402 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 12:18:09,464 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 12:18:09,464 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baafa5ee-3202-40e6-b5a0-becce1b8ca15/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 12:18:09,468 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 12:18:09,468 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 12:18:09,473 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 12:18:09,473 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_baafa5ee-3202-40e6-b5a0-becce1b8ca15/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 12:18:09,478 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 12:18:09,478 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 12:18:09,484 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 12:18:09,485 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet50=-4, ULTIMATE.start_test_~tmp___7~0=-4} Honda state: {ULTIMATE.start_test_#t~nondet50=-4, ULTIMATE.start_test_~tmp___7~0=-4} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baafa5ee-3202-40e6-b5a0-becce1b8ca15/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 12:18:09,490 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 12:18:09,490 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 12:18:09,494 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 12:18:09,494 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_baafa5ee-3202-40e6-b5a0-becce1b8ca15/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 12:18:09,500 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 12:18:09,500 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baafa5ee-3202-40e6-b5a0-becce1b8ca15/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 12:18:09,508 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 12:18:09,508 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 12:18:09,575 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 12:18:09,577 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 12:18:09,577 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 12:18:09,577 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 12:18:09,577 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 12:18:09,577 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 12:18:09,577 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:18:09,577 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 12:18:09,577 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 12:18:09,577 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_productSimulator.cil.c_Iteration3_Loop [2019-12-07 12:18:09,577 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 12:18:09,577 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 12:18:09,578 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 12:18:09,582 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 12:18:09,585 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 12:18:09,587 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 12:18:09,591 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 12:18:09,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:18:09,656 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 12:18:09,656 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baafa5ee-3202-40e6-b5a0-becce1b8ca15/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 12:18:09,659 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 12:18:09,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:18:09,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:18:09,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:18:09,660 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 12:18:09,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:18:09,662 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 12:18:09,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:18:09,665 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baafa5ee-3202-40e6-b5a0-becce1b8ca15/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 12:18:09,669 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 12:18:09,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:18:09,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:18:09,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:18:09,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:18:09,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:18:09,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:18:09,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:18:09,672 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baafa5ee-3202-40e6-b5a0-becce1b8ca15/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 12:18:09,676 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 12:18:09,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:18:09,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:18:09,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:18:09,678 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 12:18:09,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:18:09,679 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 12:18:09,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:18:09,680 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baafa5ee-3202-40e6-b5a0-becce1b8ca15/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 12:18:09,684 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 12:18:09,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:18:09,686 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:18:09,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:18:09,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:18:09,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:18:09,687 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:18:09,687 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:18:09,689 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 12:18:09,692 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 12:18:09,692 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_baafa5ee-3202-40e6-b5a0-becce1b8ca15/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 12:18:09,696 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 12:18:09,696 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 12:18:09,696 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 12:18:09,696 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 12:18:09,698 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 12:18:09,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:18:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:18:09,812 INFO L264 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:18:09,815 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:18:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:18:09,836 INFO L264 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 12:18:09,836 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:18:09,844 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 12:18:09,844 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 12:18:09,844 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1039 states and 1893 transitions. cyclomatic complexity: 858 Second operand 3 states. [2019-12-07 12:18:09,916 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1039 states and 1893 transitions. cyclomatic complexity: 858. Second operand 3 states. Result 2228 states and 4084 transitions. Complement of second has 4 states. [2019-12-07 12:18:09,917 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 12:18:09,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 12:18:09,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 600 transitions. [2019-12-07 12:18:09,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 600 transitions. Stem has 35 letters. Loop has 9 letters. [2019-12-07 12:18:09,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:18:09,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 600 transitions. Stem has 44 letters. Loop has 9 letters. [2019-12-07 12:18:09,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:18:09,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 600 transitions. Stem has 35 letters. Loop has 18 letters. [2019-12-07 12:18:09,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:18:09,918 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2228 states and 4084 transitions. [2019-12-07 12:18:09,924 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 12:18:09,924 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2228 states to 0 states and 0 transitions. [2019-12-07 12:18:09,924 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 12:18:09,924 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 12:18:09,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 12:18:09,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 12:18:09,924 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:18:09,924 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:18:09,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:18:09,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:18:09,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:18:09,925 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-12-07 12:18:09,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:18:09,925 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-12-07 12:18:09,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:18:09,925 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-12-07 12:18:09,925 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 12:18:09,925 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 12:18:09,925 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 12:18:09,925 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 12:18:09,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 12:18:09,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 12:18:09,925 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:18:09,925 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:18:09,925 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:18:09,925 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 12:18:09,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:18:09,926 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 12:18:09,926 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 12:18:09,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 12:18:09 BoogieIcfgContainer [2019-12-07 12:18:09,930 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 12:18:09,931 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:18:09,931 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:18:09,931 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:18:09,931 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:18:02" (3/4) ... [2019-12-07 12:18:09,933 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 12:18:09,933 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:18:09,935 INFO L168 Benchmark]: Toolchain (without parser) took 56445.50 ms. Allocated memory was 1.0 GB in the beginning and 5.5 GB in the end (delta: 4.4 GB). Free memory was 939.8 MB in the beginning and 3.4 GB in the end (delta: -2.4 GB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2019-12-07 12:18:09,935 INFO L168 Benchmark]: CDTParser took 0.17 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 12:18:09,936 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 939.8 MB in the beginning and 1.0 GB in the end (delta: -80.0 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:18:09,936 INFO L168 Benchmark]: Boogie Procedure Inliner took 2350.36 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 502.3 MB). Free memory was 1.0 GB in the beginning and 713.4 MB in the end (delta: 306.4 MB). Peak memory consumption was 808.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:18:09,937 INFO L168 Benchmark]: Boogie Preprocessor took 1806.36 ms. Allocated memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 4.7 MB). Free memory was 713.4 MB in the beginning and 684.4 MB in the end (delta: 29.0 MB). Peak memory consumption was 121.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:18:09,937 INFO L168 Benchmark]: RCFGBuilder took 44303.46 ms. Allocated memory was 1.6 GB in the beginning and 4.9 GB in the end (delta: 3.2 GB). Free memory was 684.4 MB in the beginning and 2.6 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.8 GB. Max. memory is 11.5 GB. [2019-12-07 12:18:09,937 INFO L168 Benchmark]: BuchiAutomizer took 7280.60 ms. Allocated memory was 4.9 GB in the beginning and 5.5 GB in the end (delta: 601.4 MB). Free memory was 2.6 GB in the beginning and 3.4 GB in the end (delta: -829.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:18:09,938 INFO L168 Benchmark]: Witness Printer took 2.98 ms. Allocated memory is still 5.5 GB. Free memory is still 3.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:18:09,940 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 698.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 939.8 MB in the beginning and 1.0 GB in the end (delta: -80.0 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 2350.36 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 502.3 MB). Free memory was 1.0 GB in the beginning and 713.4 MB in the end (delta: 306.4 MB). Peak memory consumption was 808.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 1806.36 ms. Allocated memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 4.7 MB). Free memory was 713.4 MB in the beginning and 684.4 MB in the end (delta: 29.0 MB). Peak memory consumption was 121.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 44303.46 ms. Allocated memory was 1.6 GB in the beginning and 4.9 GB in the end (delta: 3.2 GB). Free memory was 684.4 MB in the beginning and 2.6 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.8 GB. Max. memory is 11.5 GB. * BuchiAutomizer took 7280.60 ms. Allocated memory was 4.9 GB in the beginning and 5.5 GB in the end (delta: 601.4 MB). Free memory was 2.6 GB in the beginning and 3.4 GB in the end (delta: -829.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 2.98 ms. Allocated memory is still 5.5 GB. Free memory is still 3.4 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 7.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 4.0s. 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 0.7s 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: 148259 SDtfs, 147752 SDslu, 221619 SDs, 0 SdLazy, 36 SolverSat, 12 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: 8ms VariablesStem: 0 VariablesLoop: 2 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...