./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec27_product17.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_5b4fc194-1cfb-424d-9f55-a80d0b30177c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5b4fc194-1cfb-424d-9f55-a80d0b30177c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5b4fc194-1cfb-424d-9f55-a80d0b30177c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5b4fc194-1cfb-424d-9f55-a80d0b30177c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5b4fc194-1cfb-424d-9f55-a80d0b30177c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5b4fc194-1cfb-424d-9f55-a80d0b30177c/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 e5e3fe12ef32868c3bd632dc8031f97c5965a206 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:46:13,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:46:13,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:46:13,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:46:13,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:46:13,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:46:13,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:46:13,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:46:13,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:46:13,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:46:13,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:46:13,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:46:13,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:46:13,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:46:13,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:46:13,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:46:13,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:46:13,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:46:13,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:46:13,831 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:46:13,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:46:13,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:46:13,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:46:13,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:46:13,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:46:13,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:46:13,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:46:13,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:46:13,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:46:13,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:46:13,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:46:13,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:46:13,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:46:13,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:46:13,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:46:13,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:46:13,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:46:13,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:46:13,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:46:13,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:46:13,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:46:13,842 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5b4fc194-1cfb-424d-9f55-a80d0b30177c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 17:46:13,856 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:46:13,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:46:13,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:46:13,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:46:13,858 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:46:13,858 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:46:13,858 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:46:13,859 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:46:13,859 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:46:13,859 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:46:13,859 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:46:13,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:46:13,860 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:46:13,860 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:46:13,860 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:46:13,860 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:46:13,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:46:13,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:46:13,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:46:13,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:46:13,861 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:46:13,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:46:13,861 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:46:13,862 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:46:13,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:46:13,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:46:13,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:46:13,862 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:46:13,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:46:13,863 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:46:13,863 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:46:13,863 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:46:13,864 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:46:13,864 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_5b4fc194-1cfb-424d-9f55-a80d0b30177c/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 -> e5e3fe12ef32868c3bd632dc8031f97c5965a206 [2019-12-07 17:46:13,962 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:46:13,972 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:46:13,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:46:13,976 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:46:13,977 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:46:13,977 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5b4fc194-1cfb-424d-9f55-a80d0b30177c/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec27_product17.cil.c [2019-12-07 17:46:14,020 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5b4fc194-1cfb-424d-9f55-a80d0b30177c/bin/uautomizer/data/d500a261e/78961b57646345fc8c439814352bad13/FLAG961345a5b [2019-12-07 17:46:14,402 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:46:14,402 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5b4fc194-1cfb-424d-9f55-a80d0b30177c/sv-benchmarks/c/product-lines/email_spec27_product17.cil.c [2019-12-07 17:46:14,415 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5b4fc194-1cfb-424d-9f55-a80d0b30177c/bin/uautomizer/data/d500a261e/78961b57646345fc8c439814352bad13/FLAG961345a5b [2019-12-07 17:46:14,423 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5b4fc194-1cfb-424d-9f55-a80d0b30177c/bin/uautomizer/data/d500a261e/78961b57646345fc8c439814352bad13 [2019-12-07 17:46:14,425 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:46:14,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:46:14,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:46:14,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:46:14,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:46:14,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:46:14" (1/1) ... [2019-12-07 17:46:14,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34138292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:14, skipping insertion in model container [2019-12-07 17:46:14,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:46:14" (1/1) ... [2019-12-07 17:46:14,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:46:14,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:46:14,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:46:14,817 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:46:14,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:46:14,936 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:46:14,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:14 WrapperNode [2019-12-07 17:46:14,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:46:14,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:46:14,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:46:14,937 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:46:14,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:14" (1/1) ... [2019-12-07 17:46:14,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:14" (1/1) ... [2019-12-07 17:46:15,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:46:15,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:46:15,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:46:15,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:46:15,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:14" (1/1) ... [2019-12-07 17:46:15,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:14" (1/1) ... [2019-12-07 17:46:15,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:14" (1/1) ... [2019-12-07 17:46:15,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:14" (1/1) ... [2019-12-07 17:46:15,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:14" (1/1) ... [2019-12-07 17:46:15,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:14" (1/1) ... [2019-12-07 17:46:15,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:14" (1/1) ... [2019-12-07 17:46:15,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:46:15,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:46:15,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:46:15,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:46:15,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5b4fc194-1cfb-424d-9f55-a80d0b30177c/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 17:46:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-12-07 17:46:15,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:46:15,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 17:46:15,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:46:15,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:46:16,528 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:46:16,528 INFO L287 CfgBuilder]: Removed 449 assume(true) statements. [2019-12-07 17:46:16,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:46:16 BoogieIcfgContainer [2019-12-07 17:46:16,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:46:16,530 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:46:16,530 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:46:16,532 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:46:16,533 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:46:16,533 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:46:14" (1/3) ... [2019-12-07 17:46:16,533 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@100b7c92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:46:16, skipping insertion in model container [2019-12-07 17:46:16,533 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:46:16,534 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:14" (2/3) ... [2019-12-07 17:46:16,534 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@100b7c92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:46:16, skipping insertion in model container [2019-12-07 17:46:16,534 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:46:16,534 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:46:16" (3/3) ... [2019-12-07 17:46:16,535 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec27_product17.cil.c [2019-12-07 17:46:16,572 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:46:16,572 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:46:16,572 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:46:16,572 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:46:16,573 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:46:16,573 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:46:16,573 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:46:16,573 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:46:16,595 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 770 states. [2019-12-07 17:46:16,635 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2019-12-07 17:46:16,635 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:46:16,635 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:46:16,642 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:46:16,642 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-12-07 17:46:16,642 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:46:16,643 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 770 states. [2019-12-07 17:46:16,650 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2019-12-07 17:46:16,650 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:46:16,650 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:46:16,652 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:46:16,652 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-12-07 17:46:16,656 INFO L794 eck$LassoCheckResult]: Stem: 294#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(10);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(34);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(30);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(16);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(20);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(44);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(44);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(11);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(19);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string43.base, #t~string43.offset, 1);call write~init~int(100, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(10, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 3 + #t~string43.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string46.base, #t~string46.offset, 1);call write~init~int(100, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(10, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(16);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string70.base, #t~string70.offset, 1);call write~init~int(115, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(10, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(30);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(9);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(21);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(30);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(9);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(21);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(30);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(9);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(25);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(30);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(9);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(25);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(10);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(12);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(10);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(18);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(13);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(16);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0; 240#L-1true havoc main_#res;havoc main_#t~ret38, main_~retValue_acc~5, main_~tmp~8;havoc main_~retValue_acc~5;havoc main_~tmp~8; 137#L728true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 594#L736true main_#t~ret38 := valid_product_#res;main_~tmp~8 := main_#t~ret38;havoc main_#t~ret38; 759#L536true assume 0 != main_~tmp~8;havoc setup_#t~nondet33, setup_#t~nondet35, setup_#t~nondet37, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 352#L2396true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 133#L2402-2true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 147#L1961true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 678#L1967-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string32.base, #t~string32.offset;havoc setup_#t~nondet33;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 354#L2396-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 224#L2402-5true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 148#L1961-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 681#L1967-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string34.base, #t~string34.offset;havoc setup_#t~nondet35;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 341#L2396-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 229#L2402-8true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 150#L1961-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 771#L1967-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string36.base, #t~string36.offset;havoc setup_#t~nondet37; 448#L523true havoc test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~11, test_~tmp___0~5, test_~tmp___1~4, test_~tmp___2~2, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~5;havoc test_~tmp___1~4;havoc test_~tmp___2~2;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 149#L926-1true [2019-12-07 17:46:16,656 INFO L796 eck$LassoCheckResult]: Loop: 149#L926-1true assume !false; 654#L781true assume test_~splverifierCounter~0 < 4; 622#L782true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 360#L788true assume !(0 == test_~op1~0); 746#L801true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet60;havoc test_#t~nondet60; 525#L806true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 149#L926-1true [2019-12-07 17:46:16,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:46:16,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-12-07 17:46:16,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:46:16,667 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451449382] [2019-12-07 17:46:16,668 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:46:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:46:16,864 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 17:46:16,864 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451449382] [2019-12-07 17:46:16,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:46:16,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:46:16,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852121658] [2019-12-07 17:46:16,869 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 17:46:16,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:46:16,870 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-12-07 17:46:16,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:46:16,870 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597257309] [2019-12-07 17:46:16,870 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:46:16,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:46:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:46:16,904 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:46:16,933 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:46:16,933 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:46:16,933 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:46:16,933 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:46:16,934 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 17:46:16,934 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:46:16,934 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:46:16,934 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:46:16,934 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product17.cil.c_Iteration1_Loop [2019-12-07 17:46:16,934 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:46:16,935 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:46:16,954 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 17:46:16,962 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 17:46:16,967 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 17:46:16,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:46:17,025 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:46:17,026 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5b4fc194-1cfb-424d-9f55-a80d0b30177c/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 17:46:17,030 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:46:17,030 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5b4fc194-1cfb-424d-9f55-a80d0b30177c/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 17:46:17,038 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 17:46:17,038 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:46:17,043 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 17:46:17,045 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:46:17,045 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:46:17,045 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:46:17,045 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:46:17,045 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:46:17,045 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:46:17,045 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:46:17,045 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:46:17,045 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product17.cil.c_Iteration1_Loop [2019-12-07 17:46:17,045 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:46:17,046 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:46:17,047 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 17:46:17,051 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 17:46:17,055 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 17:46:17,057 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 17:46:17,098 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:46:17,102 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5b4fc194-1cfb-424d-9f55-a80d0b30177c/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 17:46:17,105 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 17:46:17,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:46:17,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:46:17,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:46:17,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:46:17,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:46:17,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:46:17,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:46:17,113 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:46:17,122 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 17:46:17,122 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_5b4fc194-1cfb-424d-9f55-a80d0b30177c/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 17:46:17,129 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:46:17,129 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 17:46:17,129 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:46:17,130 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 17:46:17,134 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 17:46:17,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:46:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:46:17,270 INFO L264 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:46:17,273 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:46:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:46:17,293 INFO L264 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 17:46:17,294 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:46:17,309 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 17:46:17,320 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 17:46:17,321 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 770 states. Second operand 4 states. [2019-12-07 17:46:17,538 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 770 states.. Second operand 4 states. Result 3484 states and 6144 transitions. Complement of second has 7 states. [2019-12-07 17:46:17,538 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 17:46:17,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 17:46:17,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3528 transitions. [2019-12-07 17:46:17,545 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3528 transitions. Stem has 18 letters. Loop has 6 letters. [2019-12-07 17:46:17,546 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:46:17,546 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3528 transitions. Stem has 24 letters. Loop has 6 letters. [2019-12-07 17:46:17,546 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:46:17,546 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3528 transitions. Stem has 18 letters. Loop has 12 letters. [2019-12-07 17:46:17,547 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:46:17,547 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3484 states and 6144 transitions. [2019-12-07 17:46:17,573 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 501 [2019-12-07 17:46:17,585 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3484 states to 1035 states and 1896 transitions. [2019-12-07 17:46:17,586 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 532 [2019-12-07 17:46:17,588 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 533 [2019-12-07 17:46:17,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1035 states and 1896 transitions. [2019-12-07 17:46:17,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:46:17,589 INFO L688 BuchiCegarLoop]: Abstraction has 1035 states and 1896 transitions. [2019-12-07 17:46:17,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states and 1896 transitions. [2019-12-07 17:46:17,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 534. [2019-12-07 17:46:17,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2019-12-07 17:46:17,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 975 transitions. [2019-12-07 17:46:17,642 INFO L711 BuchiCegarLoop]: Abstraction has 534 states and 975 transitions. [2019-12-07 17:46:17,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:46:17,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:46:17,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:46:17,645 INFO L87 Difference]: Start difference. First operand 534 states and 975 transitions. Second operand 3 states. [2019-12-07 17:46:17,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:46:17,680 INFO L93 Difference]: Finished difference Result 1048 states and 1915 transitions. [2019-12-07 17:46:17,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:46:17,680 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1048 states and 1915 transitions. [2019-12-07 17:46:17,686 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 502 [2019-12-07 17:46:17,693 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1048 states to 1048 states and 1915 transitions. [2019-12-07 17:46:17,693 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 544 [2019-12-07 17:46:17,693 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 544 [2019-12-07 17:46:17,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1048 states and 1915 transitions. [2019-12-07 17:46:17,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:46:17,694 INFO L688 BuchiCegarLoop]: Abstraction has 1048 states and 1915 transitions. [2019-12-07 17:46:17,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states and 1915 transitions. [2019-12-07 17:46:17,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 533. [2019-12-07 17:46:17,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2019-12-07 17:46:17,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 971 transitions. [2019-12-07 17:46:17,704 INFO L711 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2019-12-07 17:46:17,704 INFO L591 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2019-12-07 17:46:17,705 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 17:46:17,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 533 states and 971 transitions. [2019-12-07 17:46:17,706 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2019-12-07 17:46:17,707 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:46:17,707 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:46:17,707 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:46:17,707 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:46:17,708 INFO L794 eck$LassoCheckResult]: Stem: 6272#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(10);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(34);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(30);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(16);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(20);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(44);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(44);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(11);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(19);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string43.base, #t~string43.offset, 1);call write~init~int(100, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(10, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 3 + #t~string43.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string46.base, #t~string46.offset, 1);call write~init~int(100, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(10, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(16);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string70.base, #t~string70.offset, 1);call write~init~int(115, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(10, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(30);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(9);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(21);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(30);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(9);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(21);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(30);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(9);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(25);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(30);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(9);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(25);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(10);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(12);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(10);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(18);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(13);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(16);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0; 5993#L-1 havoc main_#res;havoc main_#t~ret38, main_~retValue_acc~5, main_~tmp~8;havoc main_~retValue_acc~5;havoc main_~tmp~8; 5994#L728 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 6132#L736 main_#t~ret38 := valid_product_#res;main_~tmp~8 := main_#t~ret38;havoc main_#t~ret38; 6133#L536 assume 0 != main_~tmp~8;havoc setup_#t~nondet33, setup_#t~nondet35, setup_#t~nondet37, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 6367#L2396 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 6114#L2402-2 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 6345#L1961 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6094#L1967-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string32.base, #t~string32.offset;havoc setup_#t~nondet33;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 6341#L2396-2 assume !(1 == setClientId_~handle); 6030#L2399-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 6031#L2402-5 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 6364#L1961-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6107#L1967-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string34.base, #t~string34.offset;havoc setup_#t~nondet35;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 6344#L2396-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 6050#L2402-8 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 6368#L1961-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6024#L1967-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string36.base, #t~string36.offset;havoc setup_#t~nondet37; 6268#L523 havoc test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~11, test_~tmp___0~5, test_~tmp___1~4, test_~tmp___2~2, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~5;havoc test_~tmp___1~4;havoc test_~tmp___2~2;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 6269#L926-1 assume !false; 6307#L781 [2019-12-07 17:46:17,708 INFO L796 eck$LassoCheckResult]: Loop: 6307#L781 assume test_~splverifierCounter~0 < 4; 6234#L782 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 6235#L788 assume !(0 == test_~op1~0); 6303#L801 assume !(0 == test_~op2~0); 6441#L812 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet61;havoc test_#t~nondet61; 6442#L817 assume 0 != test_~tmp___7~0;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := ~rjh~0, 0;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 6356#L1961-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6033#L1967-11 test_~op3~0 := 1; 5987#L926-1 assume !false; 6307#L781 [2019-12-07 17:46:17,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:46:17,708 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-12-07 17:46:17,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:46:17,708 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913123723] [2019-12-07 17:46:17,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:46:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:46:17,770 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 17:46:17,770 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913123723] [2019-12-07 17:46:17,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:46:17,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 17:46:17,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279745285] [2019-12-07 17:46:17,771 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 17:46:17,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:46:17,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-12-07 17:46:17,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:46:17,772 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878461411] [2019-12-07 17:46:17,772 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:46:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:46:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:46:17,791 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:46:17,835 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:46:17,835 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:46:17,835 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:46:17,835 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:46:17,835 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 17:46:17,835 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:46:17,835 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:46:17,835 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:46:17,835 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product17.cil.c_Iteration2_Loop [2019-12-07 17:46:17,836 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:46:17,836 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:46:17,837 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 17:46:17,841 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 17:46:17,843 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 17:46:17,847 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 17:46:17,852 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 17:46:17,857 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 17:46:17,859 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 17:46:17,945 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:46:17,945 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5b4fc194-1cfb-424d-9f55-a80d0b30177c/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 17:46:17,949 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:46:17,949 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5b4fc194-1cfb-424d-9f55-a80d0b30177c/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 17:46:17,957 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 17:46:17,957 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:46:17,964 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 17:46:17,965 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:46:17,966 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:46:17,966 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:46:17,966 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:46:17,966 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:46:17,966 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:46:17,966 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:46:17,966 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:46:17,966 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product17.cil.c_Iteration2_Loop [2019-12-07 17:46:17,966 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:46:17,966 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:46:17,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:46:17,973 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 17:46:17,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:46:17,979 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 17:46:17,984 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 17:46:17,986 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 17:46:17,992 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 17:46:18,077 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:46:18,077 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5b4fc194-1cfb-424d-9f55-a80d0b30177c/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 17:46:18,082 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 17:46:18,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:46:18,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:46:18,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:46:18,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:46:18,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:46:18,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:46:18,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:46:18,087 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:46:18,090 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 17:46:18,090 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_5b4fc194-1cfb-424d-9f55-a80d0b30177c/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 17:46:18,093 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:46:18,093 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 17:46:18,093 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:46:18,093 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-12-07 17:46:18,095 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 17:46:18,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:46:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:46:18,211 INFO L264 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:46:18,213 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:46:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:46:18,238 INFO L264 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 17:46:18,238 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:46:18,256 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 17:46:18,256 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 17:46:18,257 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440 Second operand 4 states. [2019-12-07 17:46:18,283 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440. Second operand 4 states. Result 1039 states and 1901 transitions. Complement of second has 6 states. [2019-12-07 17:46:18,283 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 17:46:18,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 17:46:18,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 508 transitions. [2019-12-07 17:46:18,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 9 letters. [2019-12-07 17:46:18,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:46:18,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 29 letters. Loop has 9 letters. [2019-12-07 17:46:18,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:46:18,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 18 letters. [2019-12-07 17:46:18,286 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:46:18,286 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1901 transitions. [2019-12-07 17:46:18,291 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:46:18,291 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 0 states and 0 transitions. [2019-12-07 17:46:18,291 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:46:18,291 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:46:18,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:46:18,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:46:18,291 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:46:18,292 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:46:18,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:46:18,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 17:46:18,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:46:18,292 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-12-07 17:46:18,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:46:18,292 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-12-07 17:46:18,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:46:18,292 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-12-07 17:46:18,292 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:46:18,292 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 17:46:18,293 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:46:18,293 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:46:18,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:46:18,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:46:18,293 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:46:18,293 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:46:18,293 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:46:18,293 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 17:46:18,293 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:46:18,293 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:46:18,293 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 17:46:18,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 05:46:18 BoogieIcfgContainer [2019-12-07 17:46:18,297 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 17:46:18,298 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:46:18,298 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:46:18,298 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:46:18,298 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:46:16" (3/4) ... [2019-12-07 17:46:18,301 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:46:18,301 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:46:18,303 INFO L168 Benchmark]: Toolchain (without parser) took 3875.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 943.5 MB in the beginning and 897.4 MB in the end (delta: 46.1 MB). Peak memory consumption was 209.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:46:18,303 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:46:18,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 510.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 943.5 MB in the beginning and 1.0 GB in the end (delta: -96.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:46:18,304 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:46:18,304 INFO L168 Benchmark]: Boogie Preprocessor took 80.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:46:18,305 INFO L168 Benchmark]: RCFGBuilder took 1425.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 959.7 MB in the end (delta: 52.0 MB). Peak memory consumption was 199.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:46:18,306 INFO L168 Benchmark]: BuchiAutomizer took 1767.77 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 69.2 MB). Free memory was 959.7 MB in the beginning and 897.4 MB in the end (delta: 62.3 MB). Peak memory consumption was 131.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:46:18,306 INFO L168 Benchmark]: Witness Printer took 3.12 ms. Allocated memory is still 1.2 GB. Free memory is still 897.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:46:18,309 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 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 510.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 943.5 MB in the beginning and 1.0 GB in the end (delta: -96.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1425.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 959.7 MB in the end (delta: 52.0 MB). Peak memory consumption was 199.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1767.77 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 69.2 MB). Free memory was 959.7 MB in the beginning and 897.4 MB in the end (delta: 62.3 MB). Peak memory consumption was 131.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.12 ms. Allocated memory is still 1.2 GB. Free memory is still 897.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1016 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 533 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4146 SDtfs, 3651 SDslu, 5309 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 27ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...