./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec6_product34_false-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_f30a9401-89df-47b2-8d93-eb2efe93f445/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f30a9401-89df-47b2-8d93-eb2efe93f445/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f30a9401-89df-47b2-8d93-eb2efe93f445/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f30a9401-89df-47b2-8d93-eb2efe93f445/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec6_product34_false-unreach-call_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f30a9401-89df-47b2-8d93-eb2efe93f445/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f30a9401-89df-47b2-8d93-eb2efe93f445/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 754ab4b20430f6f6bdf24c9c2f614868f5398c9c ......................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 22:34:15,082 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:34:15,083 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:34:15,092 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:34:15,092 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:34:15,093 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:34:15,094 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:34:15,095 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:34:15,097 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:34:15,097 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:34:15,098 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:34:15,098 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:34:15,099 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:34:15,100 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:34:15,101 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:34:15,101 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:34:15,102 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:34:15,104 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:34:15,105 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:34:15,107 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:34:15,107 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:34:15,108 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:34:15,110 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:34:15,111 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:34:15,111 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:34:15,112 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:34:15,113 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:34:15,113 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:34:15,114 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:34:15,115 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:34:15,115 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:34:15,116 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:34:15,116 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:34:15,116 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:34:15,117 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:34:15,117 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:34:15,118 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f30a9401-89df-47b2-8d93-eb2efe93f445/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-22 22:34:15,131 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:34:15,131 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:34:15,132 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 22:34:15,133 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 22:34:15,133 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 22:34:15,133 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-22 22:34:15,133 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-22 22:34:15,133 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-22 22:34:15,133 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-22 22:34:15,134 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-22 22:34:15,134 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-22 22:34:15,134 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:34:15,134 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:34:15,134 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-22 22:34:15,134 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:34:15,134 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:34:15,135 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:34:15,135 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-22 22:34:15,135 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-22 22:34:15,135 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-22 22:34:15,135 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:34:15,135 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:34:15,136 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-22 22:34:15,136 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:34:15,136 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-22 22:34:15,136 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:34:15,136 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:34:15,136 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-22 22:34:15,136 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:34:15,136 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 22:34:15,137 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-22 22:34:15,137 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-22 22:34:15,137 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_f30a9401-89df-47b2-8d93-eb2efe93f445/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 -> 754ab4b20430f6f6bdf24c9c2f614868f5398c9c [2018-11-22 22:34:15,165 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:34:15,173 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:34:15,175 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:34:15,176 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:34:15,177 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:34:15,177 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f30a9401-89df-47b2-8d93-eb2efe93f445/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/email_spec6_product34_false-unreach-call_true-termination.cil.c [2018-11-22 22:34:15,216 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f30a9401-89df-47b2-8d93-eb2efe93f445/bin-2019/uautomizer/data/b40f453fc/48b5c3064fef47ad93c8e03f9d368ecb/FLAGe44f78f91 [2018-11-22 22:34:15,663 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:34:15,664 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f30a9401-89df-47b2-8d93-eb2efe93f445/sv-benchmarks/c/product-lines/email_spec6_product34_false-unreach-call_true-termination.cil.c [2018-11-22 22:34:15,681 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f30a9401-89df-47b2-8d93-eb2efe93f445/bin-2019/uautomizer/data/b40f453fc/48b5c3064fef47ad93c8e03f9d368ecb/FLAGe44f78f91 [2018-11-22 22:34:15,980 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f30a9401-89df-47b2-8d93-eb2efe93f445/bin-2019/uautomizer/data/b40f453fc/48b5c3064fef47ad93c8e03f9d368ecb [2018-11-22 22:34:15,982 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:34:15,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:34:15,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:34:15,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:34:15,987 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:34:15,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:34:15" (1/1) ... [2018-11-22 22:34:15,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60164983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:15, skipping insertion in model container [2018-11-22 22:34:15,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:34:15" (1/1) ... [2018-11-22 22:34:15,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:34:16,041 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:34:16,407 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:34:16,484 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:34:16,571 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:34:16,634 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:34:16,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:16 WrapperNode [2018-11-22 22:34:16,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:34:16,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:34:16,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:34:16,636 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:34:16,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:16" (1/1) ... [2018-11-22 22:34:16,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:16" (1/1) ... [2018-11-22 22:34:16,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:34:16,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:34:16,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:34:16,762 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:34:16,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:16" (1/1) ... [2018-11-22 22:34:16,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:16" (1/1) ... [2018-11-22 22:34:16,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:16" (1/1) ... [2018-11-22 22:34:16,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:16" (1/1) ... [2018-11-22 22:34:16,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:16" (1/1) ... [2018-11-22 22:34:16,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:16" (1/1) ... [2018-11-22 22:34:16,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:16" (1/1) ... [2018-11-22 22:34:16,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:34:16,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:34:16,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:34:16,860 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:34:16,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f30a9401-89df-47b2-8d93-eb2efe93f445/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 [2018-11-22 22:34:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 22:34:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-22 22:34:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 22:34:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:34:16,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:34:18,933 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:34:18,933 INFO L280 CfgBuilder]: Removed 885 assue(true) statements. [2018-11-22 22:34:18,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:34:18 BoogieIcfgContainer [2018-11-22 22:34:18,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:34:18,934 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-22 22:34:18,934 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-22 22:34:18,937 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-22 22:34:18,937 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 22:34:18,937 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 10:34:15" (1/3) ... [2018-11-22 22:34:18,938 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51f8427b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 10:34:18, skipping insertion in model container [2018-11-22 22:34:18,938 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 22:34:18,938 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:34:16" (2/3) ... [2018-11-22 22:34:18,938 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51f8427b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 10:34:18, skipping insertion in model container [2018-11-22 22:34:18,939 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 22:34:18,939 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:34:18" (3/3) ... [2018-11-22 22:34:18,940 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec6_product34_false-unreach-call_true-termination.cil.c [2018-11-22 22:34:18,979 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 22:34:18,980 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-22 22:34:18,980 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-22 22:34:18,980 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-22 22:34:18,980 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 22:34:18,981 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 22:34:18,981 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-22 22:34:18,981 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 22:34:18,981 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-22 22:34:19,010 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1302 states. [2018-11-22 22:34:19,061 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2018-11-22 22:34:19,062 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 22:34:19,062 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 22:34:19,069 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:34:19,069 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-22 22:34:19,069 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-22 22:34:19,069 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1302 states. [2018-11-22 22:34:19,077 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2018-11-22 22:34:19,078 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 22:34:19,078 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 22:34:19,079 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:34:19,079 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-22 22:34:19,083 INFO L794 eck$LassoCheckResult]: Stem: 448#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(19);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(16);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(19);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(10);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(34);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(30);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(16);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(20);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(21);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string47.base, #t~string47.offset, 1);call write~init~int(115, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(10, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(21);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(21);call #t~string76.base, #t~string76.offset := #Ultimate.alloc(30);call #t~string77.base, #t~string77.offset := #Ultimate.alloc(9);call #t~string78.base, #t~string78.offset := #Ultimate.alloc(25);call #t~string79.base, #t~string79.offset := #Ultimate.alloc(30);call #t~string80.base, #t~string80.offset := #Ultimate.alloc(9);call #t~string81.base, #t~string81.offset := #Ultimate.alloc(25);call #t~string85.base, #t~string85.offset := #Ultimate.alloc(10);call #t~string88.base, #t~string88.offset := #Ultimate.alloc(12);call #t~string91.base, #t~string91.offset := #Ultimate.alloc(10);call #t~string94.base, #t~string94.offset := #Ultimate.alloc(18);call #t~string97.base, #t~string97.offset := #Ultimate.alloc(16);call #t~string100.base, #t~string100.offset := #Ultimate.alloc(21);call #t~string103.base, #t~string103.offset := #Ultimate.alloc(13);call #t~string106.base, #t~string106.offset := #Ultimate.alloc(16);call #t~string109.base, #t~string109.offset := #Ultimate.alloc(25);call #t~string115.base, #t~string115.offset := #Ultimate.alloc(44);call #t~string120.base, #t~string120.offset := #Ultimate.alloc(44);call #t~string122.base, #t~string122.offset := #Ultimate.alloc(9);call #t~string124.base, #t~string124.offset := #Ultimate.alloc(9);call #t~string126.base, #t~string126.offset := #Ultimate.alloc(11);call #t~string130.base, #t~string130.offset := #Ultimate.alloc(19);call #t~string133.base, #t~string133.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string133.base, #t~string133.offset, 1);call write~init~int(100, #t~string133.base, 1 + #t~string133.offset, 1);call write~init~int(10, #t~string133.base, 2 + #t~string133.offset, 1);call write~init~int(0, #t~string133.base, 3 + #t~string133.offset, 1);call #t~string136.base, #t~string136.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string136.base, #t~string136.offset, 1);call write~init~int(100, #t~string136.base, 1 + #t~string136.offset, 1);call write~init~int(10, #t~string136.base, 2 + #t~string136.offset, 1);call write~init~int(0, #t~string136.base, 3 + #t~string136.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;~sent_encrypted~0 := -1;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~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;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 338#L-1true havoc main_#res;havoc main_#t~ret128, main_~retValue_acc~43, main_~tmp~22;havoc main_~retValue_acc~43;havoc main_~tmp~22; 1052#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; 619#L83true main_#t~ret128 := valid_product_#res;main_~tmp~22 := main_#t~ret128;havoc main_#t~ret128; 1108#L2719true assume 0 != main_~tmp~22;havoc setup_#t~nondet123, setup_#t~nondet125, setup_#t~nondet127, 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; 581#L2550true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 179#L2556-2true 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; 191#L2115true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 1147#L2121-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string122.base, #t~string122.offset;havoc setup_#t~nondet123;~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; 553#L2550-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 172#L2556-5true 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; 196#L2115-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 1133#L2121-5true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string124.base, #t~string124.offset;havoc setup_#t~nondet125;~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; 556#L2550-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 304#L2556-8true 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; 197#L2115-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 1139#L2121-8true setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string126.base, #t~string126.offset;havoc setup_#t~nondet127; 643#L2706true havoc test_#t~nondet143, test_#t~nondet144, test_#t~nondet145, test_#t~nondet146, test_#t~nondet147, test_#t~nondet148, test_#t~nondet149, test_#t~nondet150, test_#t~nondet151, test_#t~nondet152, test_#t~nondet153, 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~24, test_~tmp___0~10, test_~tmp___1~6, test_~tmp___2~4, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~24;havoc test_~tmp___0~10;havoc test_~tmp___1~6;havoc test_~tmp___2~4;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 697#L3054-1true [2018-11-22 22:34:19,084 INFO L796 eck$LassoCheckResult]: Loop: 697#L3054-1true assume !false; 493#L2906true assume test_~splverifierCounter~0 < 4; 419#L2907true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 1205#L2913true assume !(0 == test_~op1~0); 646#L2926true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet144;havoc test_#t~nondet144; 277#L2931true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 697#L3054-1true [2018-11-22 22:34:19,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:34:19,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2018-11-22 22:34:19,096 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:34:19,097 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:34:19,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:34:19,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:34:19,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:34:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:34:19,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:34:19,288 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:34:19,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:34:19,291 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-22 22:34:19,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:34:19,292 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2018-11-22 22:34:19,292 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:34:19,292 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:34:19,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:34:19,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:34:19,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:34:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:34:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:34:19,366 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 22:34:19,367 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 22:34:19,367 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 22:34:19,367 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 22:34:19,368 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-22 22:34:19,368 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 22:34:19,368 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 22:34:19,368 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 22:34:19,368 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec6_product34_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-22 22:34:19,368 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 22:34:19,368 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 22:34:19,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 22:34:19,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 22:34:19,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 22:34:19,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 22:34:19,481 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 22:34:19,482 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f30a9401-89df-47b2-8d93-eb2efe93f445/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 [2018-11-22 22:34:19,491 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 22:34:19,491 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f30a9401-89df-47b2-8d93-eb2efe93f445/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 [2018-11-22 22:34:19,539 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-22 22:34:19,539 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 22:34:19,568 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-22 22:34:19,570 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 22:34:19,570 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 22:34:19,570 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 22:34:19,570 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 22:34:19,570 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-22 22:34:19,571 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 22:34:19,571 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 22:34:19,571 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 22:34:19,571 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec6_product34_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-22 22:34:19,571 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 22:34:19,571 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 22:34:19,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 22:34:19,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 22:34:19,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 22:34:19,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 22:34:19,661 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 22:34:19,666 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-22 22:34:19,668 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 [2018-11-22 22:34:19,669 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 22:34:19,669 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 22:34:19,670 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 22:34:19,670 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 22:34:19,670 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 22:34:19,672 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 22:34:19,672 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 22:34:19,676 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-22 22:34:19,680 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-22 22:34:19,681 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-22 22:34:19,682 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-22 22:34:19,683 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-22 22:34:19,683 INFO L518 LassoAnalysis]: Proved termination. [2018-11-22 22:34:19,684 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2018-11-22 22:34:19,685 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-22 22:34:19,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:34:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:34:19,862 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:34:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:34:19,894 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:34:19,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:34:19,953 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 [2018-11-22 22:34:19,954 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1302 states. Second operand 5 states. [2018-11-22 22:34:20,237 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1302 states.. Second operand 5 states. Result 3597 states and 6132 transitions. Complement of second has 7 states. [2018-11-22 22:34:20,237 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 [2018-11-22 22:34:20,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-22 22:34:20,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3951 transitions. [2018-11-22 22:34:20,243 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3951 transitions. Stem has 18 letters. Loop has 6 letters. [2018-11-22 22:34:20,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-22 22:34:20,244 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3951 transitions. Stem has 24 letters. Loop has 6 letters. [2018-11-22 22:34:20,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-22 22:34:20,244 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3951 transitions. Stem has 18 letters. Loop has 12 letters. [2018-11-22 22:34:20,245 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-22 22:34:20,245 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3597 states and 6132 transitions. [2018-11-22 22:34:20,267 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-22 22:34:20,269 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3597 states to 0 states and 0 transitions. [2018-11-22 22:34:20,269 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-22 22:34:20,270 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-22 22:34:20,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-22 22:34:20,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-22 22:34:20,270 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 22:34:20,270 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 22:34:20,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:34:20,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:34:20,274 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2018-11-22 22:34:20,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:34:20,276 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-22 22:34:20,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 22:34:20,276 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-22 22:34:20,276 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-22 22:34:20,277 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 22:34:20,277 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-22 22:34:20,277 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-22 22:34:20,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-22 22:34:20,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-22 22:34:20,277 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 22:34:20,277 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 22:34:20,277 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 22:34:20,277 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-22 22:34:20,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-22 22:34:20,278 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-22 22:34:20,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-22 22:34:20,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.11 10:34:20 BoogieIcfgContainer [2018-11-22 22:34:20,283 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-22 22:34:20,283 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:34:20,283 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:34:20,283 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:34:20,284 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:34:18" (3/4) ... [2018-11-22 22:34:20,286 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-22 22:34:20,286 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:34:20,287 INFO L168 Benchmark]: Toolchain (without parser) took 4304.24 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 378.5 MB). Free memory was 955.5 MB in the beginning and 1.3 GB in the end (delta: -352.9 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2018-11-22 22:34:20,288 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-11-22 22:34:20,288 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.0 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 57.9 MB. Max. memory is 11.5 GB. [2018-11-22 22:34:20,289 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.70 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: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2018-11-22 22:34:20,290 INFO L168 Benchmark]: Boogie Preprocessor took 97.66 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: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2018-11-22 22:34:20,290 INFO L168 Benchmark]: RCFGBuilder took 2074.29 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 90.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.9 MB). Peak memory consumption was 258.0 MB. Max. memory is 11.5 GB. [2018-11-22 22:34:20,291 INFO L168 Benchmark]: BuchiAutomizer took 1348.74 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 104.3 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -286.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:34:20,291 INFO L168 Benchmark]: Witness Printer took 3.46 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:34:20,294 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 651.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.0 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 57.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 125.70 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: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 97.66 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: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2074.29 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 90.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.9 MB). Peak memory consumption was 258.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1348.74 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 104.3 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -286.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.46 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. 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: 2226 SDtfs, 2226 SDslu, 4348 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: 16ms 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...