./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product10_true-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4232d532-5e36-44ec-8679-f08c44aafebe/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4232d532-5e36-44ec-8679-f08c44aafebe/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4232d532-5e36-44ec-8679-f08c44aafebe/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4232d532-5e36-44ec-8679-f08c44aafebe/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product10_true-unreach-call_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4232d532-5e36-44ec-8679-f08c44aafebe/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4232d532-5e36-44ec-8679-f08c44aafebe/bin-2019/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 34ea1153081835871d2d8c4250456d7ca577de25 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 08:04:40,880 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 08:04:40,881 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 08:04:40,887 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 08:04:40,887 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 08:04:40,888 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 08:04:40,889 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 08:04:40,889 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 08:04:40,890 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 08:04:40,891 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 08:04:40,891 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 08:04:40,891 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 08:04:40,892 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 08:04:40,892 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 08:04:40,893 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 08:04:40,893 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 08:04:40,894 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 08:04:40,895 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 08:04:40,896 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 08:04:40,896 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 08:04:40,897 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 08:04:40,897 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 08:04:40,899 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 08:04:40,899 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 08:04:40,899 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 08:04:40,899 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 08:04:40,900 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 08:04:40,900 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 08:04:40,901 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 08:04:40,901 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 08:04:40,901 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 08:04:40,902 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 08:04:40,902 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 08:04:40,902 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 08:04:40,903 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 08:04:40,903 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 08:04:40,903 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4232d532-5e36-44ec-8679-f08c44aafebe/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-08 08:04:40,911 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 08:04:40,911 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 08:04:40,912 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 08:04:40,912 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 08:04:40,912 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 08:04:40,912 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-08 08:04:40,912 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-08 08:04:40,912 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-08 08:04:40,912 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-08 08:04:40,912 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-08 08:04:40,912 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-08 08:04:40,912 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 08:04:40,912 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 08:04:40,912 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 08:04:40,913 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 08:04:40,913 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 08:04:40,913 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 08:04:40,913 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-08 08:04:40,913 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-08 08:04:40,913 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-08 08:04:40,913 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 08:04:40,913 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 08:04:40,913 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-08 08:04:40,913 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 08:04:40,913 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-08 08:04:40,913 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 08:04:40,913 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 08:04:40,914 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-08 08:04:40,914 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 08:04:40,914 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 08:04:40,914 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-08 08:04:40,914 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-08 08:04:40,914 INFO L133 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/working_dir_4232d532-5e36-44ec-8679-f08c44aafebe/bin-2019/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 -> 34ea1153081835871d2d8c4250456d7ca577de25 [2018-12-08 08:04:40,932 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 08:04:40,941 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 08:04:40,943 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 08:04:40,945 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 08:04:40,945 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 08:04:40,945 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4232d532-5e36-44ec-8679-f08c44aafebe/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/email_spec0_product10_true-unreach-call_true-termination.cil.c [2018-12-08 08:04:40,985 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4232d532-5e36-44ec-8679-f08c44aafebe/bin-2019/uautomizer/data/3dbd53fa2/ccba229ce3b14778866ec9b27fbc8cbf/FLAGff17fa06b [2018-12-08 08:04:41,446 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 08:04:41,446 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4232d532-5e36-44ec-8679-f08c44aafebe/sv-benchmarks/c/product-lines/email_spec0_product10_true-unreach-call_true-termination.cil.c [2018-12-08 08:04:41,456 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4232d532-5e36-44ec-8679-f08c44aafebe/bin-2019/uautomizer/data/3dbd53fa2/ccba229ce3b14778866ec9b27fbc8cbf/FLAGff17fa06b [2018-12-08 08:04:41,466 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4232d532-5e36-44ec-8679-f08c44aafebe/bin-2019/uautomizer/data/3dbd53fa2/ccba229ce3b14778866ec9b27fbc8cbf [2018-12-08 08:04:41,468 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 08:04:41,468 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 08:04:41,469 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 08:04:41,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 08:04:41,472 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 08:04:41,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:04:41" (1/1) ... [2018-12-08 08:04:41,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:04:41, skipping insertion in model container [2018-12-08 08:04:41,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:04:41" (1/1) ... [2018-12-08 08:04:41,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 08:04:41,513 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 08:04:41,789 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 08:04:41,800 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 08:04:41,859 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 08:04:41,898 INFO L195 MainTranslator]: Completed translation [2018-12-08 08:04:41,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:04:41 WrapperNode [2018-12-08 08:04:41,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 08:04:41,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 08:04:41,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 08:04:41,899 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 08:04:41,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:04:41" (1/1) ... [2018-12-08 08:04:41,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:04:41" (1/1) ... [2018-12-08 08:04:41,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 08:04:41,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 08:04:41,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 08:04:41,948 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 08:04:41,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:04:41" (1/1) ... [2018-12-08 08:04:41,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:04:41" (1/1) ... [2018-12-08 08:04:41,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:04:41" (1/1) ... [2018-12-08 08:04:41,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:04:41" (1/1) ... [2018-12-08 08:04:41,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:04:41" (1/1) ... [2018-12-08 08:04:41,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:04:41" (1/1) ... [2018-12-08 08:04:41,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:04:41" (1/1) ... [2018-12-08 08:04:41,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 08:04:41,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 08:04:41,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 08:04:41,986 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 08:04:41,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:04:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4232d532-5e36-44ec-8679-f08c44aafebe/bin-2019/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 [2018-12-08 08:04:42,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 08:04:42,030 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-12-08 08:04:42,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 08:04:42,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 08:04:42,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 08:04:42,573 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 08:04:42,573 INFO L280 CfgBuilder]: Removed 155 assue(true) statements. [2018-12-08 08:04:42,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:04:42 BoogieIcfgContainer [2018-12-08 08:04:42,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 08:04:42,574 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-08 08:04:42,574 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-08 08:04:42,576 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-08 08:04:42,576 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 08:04:42,577 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.12 08:04:41" (1/3) ... [2018-12-08 08:04:42,577 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21b8be9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 08:04:42, skipping insertion in model container [2018-12-08 08:04:42,577 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 08:04:42,577 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:04:41" (2/3) ... [2018-12-08 08:04:42,578 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21b8be9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 08:04:42, skipping insertion in model container [2018-12-08 08:04:42,578 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 08:04:42,578 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:04:42" (3/3) ... [2018-12-08 08:04:42,579 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec0_product10_true-unreach-call_true-termination.cil.c [2018-12-08 08:04:42,610 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 08:04:42,611 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-08 08:04:42,611 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-08 08:04:42,611 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-08 08:04:42,611 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 08:04:42,611 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 08:04:42,611 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-08 08:04:42,611 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 08:04:42,611 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-08 08:04:42,621 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 160 states. [2018-12-08 08:04:42,640 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 33 [2018-12-08 08:04:42,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 08:04:42,640 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 08:04:42,645 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:04:42,645 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-12-08 08:04:42,646 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-08 08:04:42,646 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 160 states. [2018-12-08 08:04:42,650 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 33 [2018-12-08 08:04:42,650 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 08:04:42,650 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 08:04:42,651 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:04:42,651 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-12-08 08:04:42,654 INFO L794 eck$LassoCheckResult]: Stem: 112#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string0.base, #t~string0.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string0.base, #t~string0.offset, 1);call write~init~int(115, #t~string0.base, 1 + #t~string0.offset, 1);call write~init~int(10, #t~string0.base, 2 + #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 3 + #t~string0.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;call #t~string3.base, #t~string3.offset := #Ultimate.alloc(16);~head~0.base, ~head~0.offset := 0, 0;call #t~string24.base, #t~string24.offset := #Ultimate.alloc(30);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(9);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(21);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(25);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(30);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(9);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(25);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string41.base, #t~string41.offset := #Ultimate.alloc(10);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(16);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(22);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(21);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string56.base, #t~string56.offset := #Ultimate.alloc(44);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(44);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(11);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;call #t~string83.base, #t~string83.offset := #Ultimate.alloc(10);call #t~string86.base, #t~string86.offset := #Ultimate.alloc(12);call #t~string89.base, #t~string89.offset := #Ultimate.alloc(10);call #t~string92.base, #t~string92.offset := #Ultimate.alloc(18);~__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; 15#L-1true havoc main_#res;havoc main_#t~nondet69, main_#t~ret70, main_~retValue_acc~10, main_~tmp~12;main_~retValue_acc~10 := main_#t~nondet69;havoc main_#t~nondet69;havoc main_~tmp~12; 129#L93true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 146#L101true main_#t~ret70 := valid_product_#res;main_~tmp~12 := main_#t~ret70;havoc main_#t~ret70; 89#L818true assume 0 != main_~tmp~12;havoc setup_#t~nondet64, setup_#t~nondet66, setup_#t~nondet68, 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;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 63#L2572true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 26#L2578-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string63.base, #t~string63.offset;havoc setup_#t~nondet64;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 65#L2572-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 5#L2578-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string65.base, #t~string65.offset;havoc setup_#t~nondet66;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 45#L2572-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 13#L2578-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string67.base, #t~string67.offset;havoc setup_#t~nondet68; 52#L805true havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, 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~13, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~13;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 160#L1425-1true [2018-12-08 08:04:42,655 INFO L796 eck$LassoCheckResult]: Loop: 160#L1425-1true assume !false; 20#L1298true assume test_~splverifierCounter~0 < 4; 111#L1299true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 92#L1305true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet71;havoc test_#t~nondet71; 16#L1309true assume 0 != test_~tmp___9~0;test_~op1~0 := 1; 160#L1425-1true [2018-12-08 08:04:42,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:04:42,658 INFO L82 PathProgramCache]: Analyzing trace with hash -580026000, now seen corresponding path program 1 times [2018-12-08 08:04:42,659 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:04:42,659 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:04:42,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:04:42,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:04:42,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:04:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:04:42,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:04:42,803 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:04:42,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 08:04:42,806 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-12-08 08:04:42,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:04:42,806 INFO L82 PathProgramCache]: Analyzing trace with hash 103192148, now seen corresponding path program 1 times [2018-12-08 08:04:42,806 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:04:42,806 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:04:42,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:04:42,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:04:42,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:04:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 08:04:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 08:04:42,851 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 08:04:42,851 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 08:04:42,851 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 08:04:42,852 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 08:04:42,852 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-08 08:04:42,852 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 08:04:42,852 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 08:04:42,852 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 08:04:42,852 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product10_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-12-08 08:04:42,852 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 08:04:42,852 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 08:04:42,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:04:42,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:04:42,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:04:42,927 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 08:04:42,928 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4232d532-5e36-44ec-8679-f08c44aafebe/bin-2019/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 [2018-12-08 08:04:42,931 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 08:04:42,931 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4232d532-5e36-44ec-8679-f08c44aafebe/bin-2019/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 [2018-12-08 08:04:42,950 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 08:04:42,950 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 08:04:42,954 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-08 08:04:42,968 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 08:04:42,968 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 08:04:42,968 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 08:04:42,968 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 08:04:42,968 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 08:04:42,968 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 08:04:42,968 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 08:04:42,968 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 08:04:42,968 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product10_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-12-08 08:04:42,969 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 08:04:42,969 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 08:04:42,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:04:42,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:04:42,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:04:43,032 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 08:04:43,035 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 08:04:43,036 INFO L122 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 [2018-12-08 08:04:43,037 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 08:04:43,037 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 08:04:43,037 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 08:04:43,038 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 08:04:43,038 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 08:04:43,039 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 08:04:43,039 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 08:04:43,042 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-08 08:04:43,045 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-08 08:04:43,045 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-12-08 08:04:43,046 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-08 08:04:43,046 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-08 08:04:43,047 INFO L518 LassoAnalysis]: Proved termination. [2018-12-08 08:04:43,047 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] [2018-12-08 08:04:43,048 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-08 08:04:43,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:04:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:04:43,143 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:04:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:04:43,165 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:04:43,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:04:43,192 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 [2018-12-08 08:04:43,192 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 160 states. Second operand 4 states. [2018-12-08 08:04:43,278 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 160 states.. Second operand 4 states. Result 700 states and 1129 transitions. Complement of second has 7 states. [2018-12-08 08:04:43,279 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 [2018-12-08 08:04:43,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-08 08:04:43,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 667 transitions. [2018-12-08 08:04:43,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 667 transitions. Stem has 12 letters. Loop has 5 letters. [2018-12-08 08:04:43,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 08:04:43,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 667 transitions. Stem has 17 letters. Loop has 5 letters. [2018-12-08 08:04:43,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 08:04:43,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 667 transitions. Stem has 12 letters. Loop has 10 letters. [2018-12-08 08:04:43,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 08:04:43,294 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 700 states and 1129 transitions. [2018-12-08 08:04:43,304 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2018-12-08 08:04:43,309 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 700 states to 151 states and 263 transitions. [2018-12-08 08:04:43,310 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 84 [2018-12-08 08:04:43,310 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 85 [2018-12-08 08:04:43,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 151 states and 263 transitions. [2018-12-08 08:04:43,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-08 08:04:43,311 INFO L705 BuchiCegarLoop]: Abstraction has 151 states and 263 transitions. [2018-12-08 08:04:43,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states and 263 transitions. [2018-12-08 08:04:43,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 86. [2018-12-08 08:04:43,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-12-08 08:04:43,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 148 transitions. [2018-12-08 08:04:43,338 INFO L728 BuchiCegarLoop]: Abstraction has 86 states and 148 transitions. [2018-12-08 08:04:43,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 08:04:43,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 08:04:43,342 INFO L87 Difference]: Start difference. First operand 86 states and 148 transitions. Second operand 3 states. [2018-12-08 08:04:43,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:04:43,366 INFO L93 Difference]: Finished difference Result 156 states and 268 transitions. [2018-12-08 08:04:43,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 08:04:43,367 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 268 transitions. [2018-12-08 08:04:43,368 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2018-12-08 08:04:43,369 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 156 states and 268 transitions. [2018-12-08 08:04:43,369 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 88 [2018-12-08 08:04:43,370 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 88 [2018-12-08 08:04:43,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 156 states and 268 transitions. [2018-12-08 08:04:43,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-08 08:04:43,370 INFO L705 BuchiCegarLoop]: Abstraction has 156 states and 268 transitions. [2018-12-08 08:04:43,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states and 268 transitions. [2018-12-08 08:04:43,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 85. [2018-12-08 08:04:43,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-12-08 08:04:43,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 144 transitions. [2018-12-08 08:04:43,374 INFO L728 BuchiCegarLoop]: Abstraction has 85 states and 144 transitions. [2018-12-08 08:04:43,374 INFO L608 BuchiCegarLoop]: Abstraction has 85 states and 144 transitions. [2018-12-08 08:04:43,374 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-08 08:04:43,375 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 85 states and 144 transitions. [2018-12-08 08:04:43,375 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 33 [2018-12-08 08:04:43,375 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 08:04:43,375 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 08:04:43,376 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:04:43,376 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:04:43,376 INFO L794 eck$LassoCheckResult]: Stem: 1235#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string0.base, #t~string0.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string0.base, #t~string0.offset, 1);call write~init~int(115, #t~string0.base, 1 + #t~string0.offset, 1);call write~init~int(10, #t~string0.base, 2 + #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 3 + #t~string0.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;call #t~string3.base, #t~string3.offset := #Ultimate.alloc(16);~head~0.base, ~head~0.offset := 0, 0;call #t~string24.base, #t~string24.offset := #Ultimate.alloc(30);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(9);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(21);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(25);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(30);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(9);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(25);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string41.base, #t~string41.offset := #Ultimate.alloc(10);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(16);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(22);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(21);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string56.base, #t~string56.offset := #Ultimate.alloc(44);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(44);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(11);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;call #t~string83.base, #t~string83.offset := #Ultimate.alloc(10);call #t~string86.base, #t~string86.offset := #Ultimate.alloc(12);call #t~string89.base, #t~string89.offset := #Ultimate.alloc(10);call #t~string92.base, #t~string92.offset := #Ultimate.alloc(18);~__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; 1211#L-1 havoc main_#res;havoc main_#t~nondet69, main_#t~ret70, main_~retValue_acc~10, main_~tmp~12;main_~retValue_acc~10 := main_#t~nondet69;havoc main_#t~nondet69;havoc main_~tmp~12; 1212#L93 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 1250#L101 main_#t~ret70 := valid_product_#res;main_~tmp~12 := main_#t~ret70;havoc main_#t~ret70; 1264#L818 assume 0 != main_~tmp~12;havoc setup_#t~nondet64, setup_#t~nondet66, setup_#t~nondet68, 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;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 1257#L2572 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 1215#L2578-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string63.base, #t~string63.offset;havoc setup_#t~nondet64;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 1226#L2572-2 assume !(1 == setClientId_~handle); 1233#L2575-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 1186#L2578-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string65.base, #t~string65.offset;havoc setup_#t~nondet66;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 1187#L2572-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 1205#L2578-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string67.base, #t~string67.offset;havoc setup_#t~nondet68; 1210#L805 havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, 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~13, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~13;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 1237#L1425-1 assume !false; 1222#L1298 [2018-12-08 08:04:43,376 INFO L796 eck$LassoCheckResult]: Loop: 1222#L1298 assume test_~splverifierCounter~0 < 4; 1223#L1299 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 1180#L1305 assume !(0 == test_~op1~0); 1181#L1315 assume !(0 == test_~op2~0); 1218#L1329 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet73;havoc test_#t~nondet73; 1206#L1334 assume 0 != test_~tmp___7~0;test_~op3~0 := 1; 1195#L1425-1 assume !false; 1222#L1298 [2018-12-08 08:04:43,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:04:43,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1897365039, now seen corresponding path program 1 times [2018-12-08 08:04:43,377 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:04:43,377 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:04:43,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:04:43,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:04:43,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:04:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:04:43,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:04:43,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:04:43,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 08:04:43,425 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-12-08 08:04:43,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:04:43,425 INFO L82 PathProgramCache]: Analyzing trace with hash -235666265, now seen corresponding path program 1 times [2018-12-08 08:04:43,425 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:04:43,425 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:04:43,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:04:43,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:04:43,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:04:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 08:04:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 08:04:43,458 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 08:04:43,458 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 08:04:43,458 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 08:04:43,458 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 08:04:43,459 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-08 08:04:43,459 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 08:04:43,459 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 08:04:43,459 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 08:04:43,459 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product10_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-12-08 08:04:43,459 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 08:04:43,459 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 08:04:43,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:04:43,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:04:43,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:04:43,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:04:43,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:04:43,525 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 08:04:43,525 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4232d532-5e36-44ec-8679-f08c44aafebe/bin-2019/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 [2018-12-08 08:04:43,527 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 08:04:43,527 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 08:04:43,531 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 08:04:43,531 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=7} Honda state: {ULTIMATE.start_test_~op1~0=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4232d532-5e36-44ec-8679-f08c44aafebe/bin-2019/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 [2018-12-08 08:04:43,555 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 08:04:43,555 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4232d532-5e36-44ec-8679-f08c44aafebe/bin-2019/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 [2018-12-08 08:04:43,576 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 08:04:43,576 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 08:04:43,600 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-08 08:04:43,602 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 08:04:43,602 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 08:04:43,602 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 08:04:43,602 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 08:04:43,602 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 08:04:43,602 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 08:04:43,602 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 08:04:43,602 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 08:04:43,602 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec0_product10_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-12-08 08:04:43,602 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 08:04:43,602 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 08:04:43,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:04:43,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:04:43,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:04:43,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:04:43,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 08:04:43,674 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 08:04:43,674 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 08:04:43,674 INFO L122 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 [2018-12-08 08:04:43,675 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 08:04:43,675 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 08:04:43,675 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 08:04:43,675 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-08 08:04:43,675 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 08:04:43,676 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 08:04:43,676 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 08:04:43,678 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 08:04:43,679 INFO L122 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 [2018-12-08 08:04:43,679 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 08:04:43,679 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 08:04:43,679 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 08:04:43,679 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-08 08:04:43,679 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 08:04:43,680 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 08:04:43,680 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 08:04:43,680 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 08:04:43,681 INFO L122 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 [2018-12-08 08:04:43,681 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 08:04:43,681 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 08:04:43,681 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 08:04:43,681 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 08:04:43,681 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 08:04:43,682 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 08:04:43,682 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 08:04:43,683 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-08 08:04:43,685 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-08 08:04:43,685 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-12-08 08:04:43,685 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-08 08:04:43,685 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-08 08:04:43,686 INFO L518 LassoAnalysis]: Proved termination. [2018-12-08 08:04:43,686 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2018-12-08 08:04:43,686 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-08 08:04:43,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:04:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:04:43,750 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:04:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:04:43,765 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:04:43,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:04:43,784 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 [2018-12-08 08:04:43,784 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 85 states and 144 transitions. cyclomatic complexity: 61 Second operand 4 states. [2018-12-08 08:04:43,794 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 85 states and 144 transitions. cyclomatic complexity: 61. Second operand 4 states. Result 155 states and 268 transitions. Complement of second has 6 states. [2018-12-08 08:04:43,794 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 [2018-12-08 08:04:43,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-08 08:04:43,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 84 transitions. [2018-12-08 08:04:43,795 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 84 transitions. Stem has 14 letters. Loop has 7 letters. [2018-12-08 08:04:43,795 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 08:04:43,795 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 84 transitions. Stem has 21 letters. Loop has 7 letters. [2018-12-08 08:04:43,795 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 08:04:43,795 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 84 transitions. Stem has 14 letters. Loop has 14 letters. [2018-12-08 08:04:43,796 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-08 08:04:43,796 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 155 states and 268 transitions. [2018-12-08 08:04:43,797 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-08 08:04:43,797 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 155 states to 0 states and 0 transitions. [2018-12-08 08:04:43,797 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-08 08:04:43,798 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-08 08:04:43,798 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-08 08:04:43,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-08 08:04:43,798 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 08:04:43,798 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 08:04:43,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 08:04:43,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 08:04:43,798 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2018-12-08 08:04:43,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:04:43,798 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-12-08 08:04:43,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 08:04:43,799 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-12-08 08:04:43,799 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-08 08:04:43,799 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 08:04:43,799 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-08 08:04:43,799 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-08 08:04:43,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-08 08:04:43,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-08 08:04:43,799 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 08:04:43,799 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 08:04:43,799 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 08:04:43,800 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-08 08:04:43,800 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-08 08:04:43,800 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-08 08:04:43,800 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-08 08:04:43,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.12 08:04:43 BoogieIcfgContainer [2018-12-08 08:04:43,805 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-08 08:04:43,805 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 08:04:43,806 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 08:04:43,806 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 08:04:43,806 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:04:42" (3/4) ... [2018-12-08 08:04:43,809 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 08:04:43,809 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 08:04:43,810 INFO L168 Benchmark]: Toolchain (without parser) took 2341.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 950.6 MB in the beginning and 973.9 MB in the end (delta: -23.3 MB). Peak memory consumption was 85.3 MB. Max. memory is 11.5 GB. [2018-12-08 08:04:43,811 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 08:04:43,811 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -113.9 MB). Peak memory consumption was 43.2 MB. Max. memory is 11.5 GB. [2018-12-08 08:04:43,812 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 08:04:43,812 INFO L168 Benchmark]: Boogie Preprocessor took 37.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 08:04:43,812 INFO L168 Benchmark]: RCFGBuilder took 587.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 960.2 MB in the end (delta: 99.0 MB). Peak memory consumption was 99.0 MB. Max. memory is 11.5 GB. [2018-12-08 08:04:43,813 INFO L168 Benchmark]: BuchiAutomizer took 1231.69 ms. Allocated memory is still 1.1 GB. Free memory was 960.2 MB in the beginning and 979.0 MB in the end (delta: -18.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 08:04:43,813 INFO L168 Benchmark]: Witness Printer took 3.62 ms. Allocated memory is still 1.1 GB. Free memory was 979.0 MB in the beginning and 973.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. [2018-12-08 08:04:43,816 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 429.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -113.9 MB). Peak memory consumption was 43.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 587.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 960.2 MB in the end (delta: 99.0 MB). Peak memory consumption was 99.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1231.69 ms. Allocated memory is still 1.1 GB. Free memory was 960.2 MB in the beginning and 979.0 MB in the end (delta: -18.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.62 ms. Allocated memory is still 1.1 GB. Free memory was 979.0 MB in the beginning and 973.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op1 + 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 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 136 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 85 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 706 SDtfs, 628 SDslu, 855 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: inital27 mio100 ax100 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 4ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 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...