./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_product28_true-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1b7c2cab-5572-4cec-a570-e29027f127c8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1b7c2cab-5572-4cec-a570-e29027f127c8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1b7c2cab-5572-4cec-a570-e29027f127c8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1b7c2cab-5572-4cec-a570-e29027f127c8/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product28_true-unreach-call_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1b7c2cab-5572-4cec-a570-e29027f127c8/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1b7c2cab-5572-4cec-a570-e29027f127c8/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 305a50bda12d169f081444c4c552f1d03e30aa2d .......................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 08:21:41,512 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:21:41,514 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:21:41,524 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:21:41,524 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:21:41,525 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:21:41,526 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:21:41,528 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:21:41,530 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:21:41,531 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:21:41,532 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:21:41,532 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:21:41,533 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:21:41,534 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:21:41,535 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:21:41,535 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:21:41,536 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:21:41,538 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:21:41,539 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:21:41,541 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:21:41,543 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:21:41,544 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:21:41,546 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:21:41,546 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:21:41,547 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:21:41,548 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:21:41,549 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:21:41,550 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:21:41,551 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:21:41,552 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:21:41,552 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:21:41,553 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:21:41,553 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:21:41,553 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:21:41,554 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:21:41,554 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:21:41,555 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1b7c2cab-5572-4cec-a570-e29027f127c8/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-23 08:21:41,568 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:21:41,569 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:21:41,570 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 08:21:41,570 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 08:21:41,570 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 08:21:41,570 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 08:21:41,571 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 08:21:41,571 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 08:21:41,571 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 08:21:41,571 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 08:21:41,571 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 08:21:41,571 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:21:41,572 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:21:41,572 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 08:21:41,572 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:21:41,572 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:21:41,572 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:21:41,572 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 08:21:41,573 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 08:21:41,573 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 08:21:41,573 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:21:41,573 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:21:41,573 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 08:21:41,573 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:21:41,574 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 08:21:41,574 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:21:41,574 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:21:41,574 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 08:21:41,574 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:21:41,575 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 08:21:41,575 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 08:21:41,575 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 08:21:41,575 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_1b7c2cab-5572-4cec-a570-e29027f127c8/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 -> 305a50bda12d169f081444c4c552f1d03e30aa2d [2018-11-23 08:21:41,600 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:21:41,611 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:21:41,613 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:21:41,615 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:21:41,615 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:21:41,615 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1b7c2cab-5572-4cec-a570-e29027f127c8/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/email_spec8_product28_true-unreach-call_true-termination.cil.c [2018-11-23 08:21:41,659 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b7c2cab-5572-4cec-a570-e29027f127c8/bin-2019/uautomizer/data/213d71856/804a348003684fb0b9b4ec9d37557dd9/FLAGc956e9096 [2018-11-23 08:21:42,069 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:21:42,070 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1b7c2cab-5572-4cec-a570-e29027f127c8/sv-benchmarks/c/product-lines/email_spec8_product28_true-unreach-call_true-termination.cil.c [2018-11-23 08:21:42,084 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b7c2cab-5572-4cec-a570-e29027f127c8/bin-2019/uautomizer/data/213d71856/804a348003684fb0b9b4ec9d37557dd9/FLAGc956e9096 [2018-11-23 08:21:42,097 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1b7c2cab-5572-4cec-a570-e29027f127c8/bin-2019/uautomizer/data/213d71856/804a348003684fb0b9b4ec9d37557dd9 [2018-11-23 08:21:42,099 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:21:42,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:21:42,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:21:42,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:21:42,104 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:21:42,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:21:42" (1/1) ... [2018-11-23 08:21:42,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58e8999f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:42, skipping insertion in model container [2018-11-23 08:21:42,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:21:42" (1/1) ... [2018-11-23 08:21:42,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:21:42,164 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:21:42,650 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:21:42,663 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:21:42,745 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:21:42,786 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:21:42,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:42 WrapperNode [2018-11-23 08:21:42,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:21:42,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:21:42,788 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:21:42,788 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:21:42,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:42" (1/1) ... [2018-11-23 08:21:42,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:42" (1/1) ... [2018-11-23 08:21:42,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:21:42,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:21:42,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:21:42,881 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:21:42,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:42" (1/1) ... [2018-11-23 08:21:42,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:42" (1/1) ... [2018-11-23 08:21:42,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:42" (1/1) ... [2018-11-23 08:21:42,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:42" (1/1) ... [2018-11-23 08:21:42,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:42" (1/1) ... [2018-11-23 08:21:42,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:42" (1/1) ... [2018-11-23 08:21:42,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:42" (1/1) ... [2018-11-23 08:21:42,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:21:42,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:21:42,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:21:42,952 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:21:42,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b7c2cab-5572-4cec-a570-e29027f127c8/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 [2018-11-23 08:21:43,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:21:43,011 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-23 08:21:43,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 08:21:43,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:21:43,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:21:44,296 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:21:44,297 INFO L280 CfgBuilder]: Removed 295 assue(true) statements. [2018-11-23 08:21:44,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:21:44 BoogieIcfgContainer [2018-11-23 08:21:44,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:21:44,298 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 08:21:44,298 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 08:21:44,301 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 08:21:44,301 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 08:21:44,302 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 08:21:42" (1/3) ... [2018-11-23 08:21:44,317 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c24ab81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 08:21:44, skipping insertion in model container [2018-11-23 08:21:44,317 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 08:21:44,317 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:42" (2/3) ... [2018-11-23 08:21:44,318 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c24ab81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 08:21:44, skipping insertion in model container [2018-11-23 08:21:44,318 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 08:21:44,318 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:21:44" (3/3) ... [2018-11-23 08:21:44,319 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec8_product28_true-unreach-call_true-termination.cil.c [2018-11-23 08:21:44,365 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 08:21:44,366 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 08:21:44,366 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 08:21:44,366 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 08:21:44,366 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:21:44,367 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:21:44,367 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 08:21:44,367 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:21:44,367 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 08:21:44,391 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 475 states. [2018-11-23 08:21:44,432 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2018-11-23 08:21:44,432 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 08:21:44,433 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 08:21:44,442 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:21:44,442 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-23 08:21:44,442 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 08:21:44,442 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 475 states. [2018-11-23 08:21:44,453 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2018-11-23 08:21:44,453 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 08:21:44,454 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 08:21:44,455 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:21:44,455 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-23 08:21:44,461 INFO L794 eck$LassoCheckResult]: Stem: 296#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(10);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(12);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(10);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(18);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(16);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(13);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(16);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(25);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string41.base, #t~string41.offset, 1);call write~init~int(115, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(10, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 3 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(17);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(17);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(13);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(17);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(30);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(9);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(21);call #t~string74.base, #t~string74.offset := #Ultimate.alloc(30);call #t~string75.base, #t~string75.offset := #Ultimate.alloc(9);call #t~string76.base, #t~string76.offset := #Ultimate.alloc(21);call #t~string80.base, #t~string80.offset := #Ultimate.alloc(30);call #t~string81.base, #t~string81.offset := #Ultimate.alloc(9);call #t~string82.base, #t~string82.offset := #Ultimate.alloc(25);call #t~string83.base, #t~string83.offset := #Ultimate.alloc(30);call #t~string84.base, #t~string84.offset := #Ultimate.alloc(9);call #t~string85.base, #t~string85.offset := #Ultimate.alloc(25);call #t~string88.base, #t~string88.offset := #Ultimate.alloc(44);call #t~string93.base, #t~string93.offset := #Ultimate.alloc(44);call #t~string95.base, #t~string95.offset := #Ultimate.alloc(9);call #t~string97.base, #t~string97.offset := #Ultimate.alloc(9);call #t~string99.base, #t~string99.offset := #Ultimate.alloc(11);call #t~string104.base, #t~string104.offset := #Ultimate.alloc(19);call #t~string107.base, #t~string107.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string107.base, #t~string107.offset, 1);call write~init~int(100, #t~string107.base, 1 + #t~string107.offset, 1);call write~init~int(10, #t~string107.base, 2 + #t~string107.offset, 1);call write~init~int(0, #t~string107.base, 3 + #t~string107.offset, 1);call #t~string110.base, #t~string110.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string110.base, #t~string110.offset, 1);call write~init~int(100, #t~string110.base, 1 + #t~string110.offset, 1);call write~init~int(10, #t~string110.base, 2 + #t~string110.offset, 1);call write~init~int(0, #t~string110.base, 3 + #t~string110.offset, 1);call #t~string117.base, #t~string117.offset := #Ultimate.alloc(10);call #t~string123.base, #t~string123.offset := #Ultimate.alloc(16);call #t~string131.base, #t~string131.offset := #Ultimate.alloc(20);~__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;~in_encrypted~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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 236#L-1true havoc main_#res;havoc main_#t~nondet101, main_#t~ret102, main_~retValue_acc~21, main_~tmp~11;main_~retValue_acc~21 := main_#t~nondet101;havoc main_#t~nondet101;havoc main_~tmp~11; 267#L75true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 390#L83true main_#t~ret102 := valid_product_#res;main_~tmp~11 := main_#t~ret102;havoc main_#t~ret102; 455#L1450true assume 0 != main_~tmp~11;havoc setup_#t~nondet96, setup_#t~nondet98, setup_#t~nondet100, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.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; 286#L2951true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 387#L2957-2true 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; 98#L2516true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 163#L2522-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string95.base, #t~string95.offset;havoc setup_#t~nondet96;~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; 290#L2951-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 374#L2957-5true 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; 102#L2516-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 165#L2522-5true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string97.base, #t~string97.offset;havoc setup_#t~nondet98;~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; 272#L2951-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 382#L2957-8true 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; 109#L2516-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 152#L2522-8true setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string99.base, #t~string99.offset;havoc setup_#t~nondet100; 100#L1437true havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, 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~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 183#L278-1true [2018-11-23 08:21:44,462 INFO L796 eck$LassoCheckResult]: Loop: 183#L278-1true assume !false; 25#L136true assume test_~splverifierCounter~0 < 4; 120#L137true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 292#L143true assume !(0 == test_~op1~0); 232#L156true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet2;havoc test_#t~nondet2; 337#L161true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 183#L278-1true [2018-11-23 08:21:44,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:21:44,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2018-11-23 08:21:44,473 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:21:44,473 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:21:44,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:21:44,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:21:44,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:21:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:21:44,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:21:44,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:21:44,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:21:44,703 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-23 08:21:44,704 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:21:44,704 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2018-11-23 08:21:44,704 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:21:44,704 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:21:44,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:21:44,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:21:44,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:21:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:21:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:21:44,791 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 08:21:44,792 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 08:21:44,792 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 08:21:44,792 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 08:21:44,792 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 08:21:44,793 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 08:21:44,793 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 08:21:44,793 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 08:21:44,793 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec8_product28_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-23 08:21:44,793 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 08:21:44,793 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 08:21:44,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:21:44,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:21:44,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:21:44,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:21:44,928 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 08:21:44,929 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b7c2cab-5572-4cec-a570-e29027f127c8/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 [2018-11-23 08:21:44,938 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 08:21:44,938 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b7c2cab-5572-4cec-a570-e29027f127c8/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 [2018-11-23 08:21:44,974 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 08:21:44,974 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 08:21:45,007 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-23 08:21:45,009 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 08:21:45,009 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 08:21:45,009 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 08:21:45,009 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 08:21:45,009 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 08:21:45,010 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 08:21:45,010 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 08:21:45,010 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 08:21:45,010 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec8_product28_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-23 08:21:45,010 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 08:21:45,010 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 08:21:45,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:21:45,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:21:45,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:21:45,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:21:45,151 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 08:21:45,156 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 08:21:45,158 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 [2018-11-23 08:21:45,159 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:21:45,159 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 08:21:45,160 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 08:21:45,160 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 08:21:45,160 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:21:45,162 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 08:21:45,162 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 08:21:45,166 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 08:21:45,171 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-23 08:21:45,171 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-23 08:21:45,173 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 08:21:45,174 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-23 08:21:45,174 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 08:21:45,175 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2018-11-23 08:21:45,176 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-23 08:21:45,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:21:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:21:45,326 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:21:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:21:45,357 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:21:45,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:21:45,406 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 [2018-11-23 08:21:45,407 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 475 states. Second operand 5 states. [2018-11-23 08:21:45,534 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 475 states.. Second operand 5 states. Result 1163 states and 2022 transitions. Complement of second has 7 states. [2018-11-23 08:21:45,534 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 [2018-11-23 08:21:45,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 08:21:45,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1238 transitions. [2018-11-23 08:21:45,539 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1238 transitions. Stem has 18 letters. Loop has 6 letters. [2018-11-23 08:21:45,540 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 08:21:45,540 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1238 transitions. Stem has 24 letters. Loop has 6 letters. [2018-11-23 08:21:45,540 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 08:21:45,540 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1238 transitions. Stem has 18 letters. Loop has 12 letters. [2018-11-23 08:21:45,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 08:21:45,542 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1163 states and 2022 transitions. [2018-11-23 08:21:45,554 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 08:21:45,556 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1163 states to 0 states and 0 transitions. [2018-11-23 08:21:45,557 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 08:21:45,557 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 08:21:45,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 08:21:45,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 08:21:45,558 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:21:45,558 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:21:45,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:21:45,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:21:45,562 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2018-11-23 08:21:45,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:21:45,564 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 08:21:45,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 08:21:45,565 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-23 08:21:45,565 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 08:21:45,565 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 08:21:45,566 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 08:21:45,566 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 08:21:45,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 08:21:45,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 08:21:45,566 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:21:45,566 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:21:45,566 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:21:45,566 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 08:21:45,566 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 08:21:45,567 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 08:21:45,567 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 08:21:45,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 08:21:45 BoogieIcfgContainer [2018-11-23 08:21:45,572 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 08:21:45,572 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:21:45,572 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:21:45,572 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:21:45,573 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:21:44" (3/4) ... [2018-11-23 08:21:45,576 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 08:21:45,576 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:21:45,576 INFO L168 Benchmark]: Toolchain (without parser) took 3476.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 956.5 MB in the beginning and 987.5 MB in the end (delta: -30.9 MB). Peak memory consumption was 118.0 MB. Max. memory is 11.5 GB. [2018-11-23 08:21:45,578 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:21:45,578 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. [2018-11-23 08:21:45,579 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-23 08:21:45,579 INFO L168 Benchmark]: Boogie Preprocessor took 71.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-23 08:21:45,580 INFO L168 Benchmark]: RCFGBuilder took 1345.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 886.4 MB in the end (delta: 206.7 MB). Peak memory consumption was 206.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:21:45,580 INFO L168 Benchmark]: BuchiAutomizer took 1274.24 ms. Allocated memory is still 1.2 GB. Free memory was 886.4 MB in the beginning and 990.9 MB in the end (delta: -104.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:21:45,581 INFO L168 Benchmark]: Witness Printer took 3.79 ms. Allocated memory is still 1.2 GB. Free memory was 990.9 MB in the beginning and 987.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-23 08:21:45,584 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 686.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 93.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1345.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 886.4 MB in the end (delta: 206.7 MB). Peak memory consumption was 206.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1274.24 ms. Allocated memory is still 1.2 GB. Free memory was 886.4 MB in the beginning and 990.9 MB in the end (delta: -104.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.79 ms. Allocated memory is still 1.2 GB. Free memory was 990.9 MB in the beginning and 987.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 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 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 829 SDtfs, 829 SDslu, 1554 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 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: sat Degree: 0 Time: 17ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 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...