./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/email_spec11_product10_true-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/email_spec11_product10_true-unreach-call_true-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 f4763c2b4c908cc214cd1281e5c0202db2011511 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:50:23,979 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:50:23,982 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:50:24,001 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:50:24,002 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:50:24,003 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:50:24,005 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:50:24,008 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:50:24,010 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:50:24,012 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:50:24,015 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:50:24,016 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:50:24,017 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:50:24,020 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:50:24,027 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:50:24,029 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:50:24,033 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:50:24,035 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:50:24,041 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:50:24,043 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:50:24,044 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:50:24,045 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:50:24,047 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:50:24,047 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:50:24,048 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:50:24,048 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:50:24,051 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:50:24,051 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:50:24,052 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:50:24,055 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:50:24,055 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:50:24,056 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:50:24,056 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:50:24,056 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:50:24,057 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:50:24,058 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:50:24,058 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:50:24,082 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:50:24,082 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:50:24,085 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:50:24,086 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:50:24,086 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:50:24,086 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:50:24,086 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:50:24,087 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:50:24,087 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:50:24,088 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:50:24,088 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:50:24,088 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:50:24,088 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:50:24,088 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:50:24,088 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:50:24,089 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:50:24,090 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:50:24,090 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:50:24,090 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:50:24,090 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:50:24,090 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:50:24,090 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:50:24,090 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:50:24,091 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:50:24,091 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:50:24,091 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:50:24,091 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:50:24,091 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:50:24,094 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:50:24,095 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:50:24,095 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:50:24,096 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:50:24,096 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> f4763c2b4c908cc214cd1281e5c0202db2011511 [2018-11-28 23:50:24,145 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:50:24,165 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:50:24,172 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:50:24,173 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:50:24,174 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:50:24,175 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/email_spec11_product10_true-unreach-call_true-termination.cil.c [2018-11-28 23:50:24,243 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7f8db809/0e932e1288264c30965ebe1093b4f5f0/FLAG94bbd5c65 [2018-11-28 23:50:24,925 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:50:24,926 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/email_spec11_product10_true-unreach-call_true-termination.cil.c [2018-11-28 23:50:24,956 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7f8db809/0e932e1288264c30965ebe1093b4f5f0/FLAG94bbd5c65 [2018-11-28 23:50:25,091 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7f8db809/0e932e1288264c30965ebe1093b4f5f0 [2018-11-28 23:50:25,095 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:50:25,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:50:25,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:50:25,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:50:25,102 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:50:25,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:50:25" (1/1) ... [2018-11-28 23:50:25,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6462de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:25, skipping insertion in model container [2018-11-28 23:50:25,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:50:25" (1/1) ... [2018-11-28 23:50:25,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:50:25,206 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:50:25,910 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:50:25,949 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:50:26,274 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:50:26,352 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:50:26,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:26 WrapperNode [2018-11-28 23:50:26,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:50:26,354 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:50:26,354 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:50:26,355 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:50:26,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:26" (1/1) ... [2018-11-28 23:50:26,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:26" (1/1) ... [2018-11-28 23:50:26,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:50:26,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:50:26,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:50:26,505 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:50:26,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:26" (1/1) ... [2018-11-28 23:50:26,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:26" (1/1) ... [2018-11-28 23:50:26,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:26" (1/1) ... [2018-11-28 23:50:26,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:26" (1/1) ... [2018-11-28 23:50:26,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:26" (1/1) ... [2018-11-28 23:50:26,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:26" (1/1) ... [2018-11-28 23:50:26,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:26" (1/1) ... [2018-11-28 23:50:26,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:50:26,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:50:26,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:50:26,614 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:50:26,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-11-28 23:50:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:50:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-28 23:50:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 23:50:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:50:26,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:50:28,851 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:50:28,852 INFO L280 CfgBuilder]: Removed 155 assue(true) statements. [2018-11-28 23:50:28,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:50:28 BoogieIcfgContainer [2018-11-28 23:50:28,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:50:28,853 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:50:28,854 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:50:28,860 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:50:28,862 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:50:28,862 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:50:25" (1/3) ... [2018-11-28 23:50:28,864 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3733346d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:50:28, skipping insertion in model container [2018-11-28 23:50:28,865 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:50:28,865 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:26" (2/3) ... [2018-11-28 23:50:28,866 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3733346d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:50:28, skipping insertion in model container [2018-11-28 23:50:28,866 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:50:28,867 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:50:28" (3/3) ... [2018-11-28 23:50:28,870 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec11_product10_true-unreach-call_true-termination.cil.c [2018-11-28 23:50:28,945 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:50:28,946 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:50:28,946 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:50:28,946 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:50:28,947 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:50:28,948 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:50:28,948 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:50:28,948 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:50:28,948 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:50:28,979 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 160 states. [2018-11-28 23:50:29,038 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 33 [2018-11-28 23:50:29,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:50:29,041 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:50:29,052 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:50:29,052 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-11-28 23:50:29,053 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:50:29,053 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 160 states. [2018-11-28 23:50:29,074 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 33 [2018-11-28 23:50:29,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:50:29,075 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:50:29,077 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:50:29,077 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-11-28 23:50:29,085 INFO L794 eck$LassoCheckResult]: Stem: 103#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[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;call #t~string0.base, #t~string0.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string0.base, #t~string0.offset, 1);call write~init~int(115, #t~string0.base, 1 + #t~string0.offset, 1);call write~init~int(10, #t~string0.base, 2 + #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 3 + #t~string0.offset, 1);~__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;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string4.base, #t~string4.offset := #Ultimate.alloc(10);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(16);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(22);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(21);~head~0.base, ~head~0.offset := 0, 0;call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(20);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string68.base, #t~string68.offset := #Ultimate.alloc(44);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(44);call #t~string75.base, #t~string75.offset := #Ultimate.alloc(9);call #t~string77.base, #t~string77.offset := #Ultimate.alloc(9);call #t~string79.base, #t~string79.offset := #Ultimate.alloc(11);call #t~string84.base, #t~string84.offset := #Ultimate.alloc(10);call #t~string87.base, #t~string87.offset := #Ultimate.alloc(12);call #t~string90.base, #t~string90.offset := #Ultimate.alloc(10);call #t~string93.base, #t~string93.offset := #Ultimate.alloc(18); 10#L-1true havoc main_#res;havoc main_#t~nondet81, main_#t~ret82, main_~retValue_acc~36, main_~tmp~15;main_~retValue_acc~36 := main_#t~nondet81;havoc main_#t~nondet81;havoc main_~tmp~15; 45#L2580true havoc valid_product_#res;havoc valid_product_~retValue_acc~41;havoc valid_product_~retValue_acc~41;valid_product_~retValue_acc~41 := 1;valid_product_#res := valid_product_~retValue_acc~41; 79#L2588true main_#t~ret82 := valid_product_#res;main_~tmp~15 := main_#t~ret82;havoc main_#t~ret82; 141#L2463true assume 0 != main_~tmp~15;havoc setup_#t~nondet76, setup_#t~nondet78, setup_#t~nondet80, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 17#L1532true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 144#L1538-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string75.base, #t~string75.offset;havoc setup_#t~nondet76;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 22#L1532-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 120#L1538-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string77.base, #t~string77.offset;havoc setup_#t~nondet78;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4#L1532-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 122#L1538-8true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string79.base, #t~string79.offset;havoc setup_#t~nondet80; 89#L2450true havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, 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~9, 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~9;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; 67#L1930-1true [2018-11-28 23:50:29,093 INFO L796 eck$LassoCheckResult]: Loop: 67#L1930-1true assume !false; 100#L1803true assume test_~splverifierCounter~0 < 4; 41#L1804true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 12#L1810true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet19;havoc test_#t~nondet19; 99#L1814true assume 0 != test_~tmp___9~0;test_~op1~0 := 1; 67#L1930-1true [2018-11-28 23:50:29,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:50:29,104 INFO L82 PathProgramCache]: Analyzing trace with hash -580026000, now seen corresponding path program 1 times [2018-11-28 23:50:29,108 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:50:29,109 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:50:29,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:50:29,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:50:29,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:50:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:50:29,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:50:29,463 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:50:29,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:50:29,467 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 23:50:29,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:50:29,467 INFO L82 PathProgramCache]: Analyzing trace with hash 103192148, now seen corresponding path program 1 times [2018-11-28 23:50:29,467 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:50:29,467 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:50:29,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:50:29,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:50:29,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:50:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:50:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:50:29,717 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-28 23:50:29,748 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:50:29,749 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:50:29,750 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:50:29,750 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:50:29,750 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:50:29,750 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:50:29,750 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:50:29,751 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:50:29,751 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec11_product10_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 23:50:29,751 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:50:29,751 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:50:29,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:29,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:29,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:30,083 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:50:30,084 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-11-28 23:50:30,094 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:50:30,094 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-11-28 23:50:30,120 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:50:30,121 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:50:30,128 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:50:30,146 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:50:30,146 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:50:30,146 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:50:30,147 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:50:30,147 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:50:30,147 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:50:30,147 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:50:30,147 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:50:30,147 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec11_product10_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 23:50:30,148 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:50:30,148 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:50:30,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:30,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:30,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:30,305 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:50:30,310 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:50:30,312 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 [2018-11-28 23:50:30,314 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:50:30,314 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:50:30,315 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:50:30,315 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:50:30,315 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:50:30,318 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:50:30,318 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:50:30,324 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:50:30,330 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:50:30,330 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 23:50:30,333 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:50:30,333 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 23:50:30,334 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:50:30,335 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] [2018-11-28 23:50:30,336 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 23:50:30,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:50:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:50:30,542 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:50:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:50:30,595 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:50:30,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:50:30,727 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-28 23:50:30,729 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 160 states. Second operand 4 states. [2018-11-28 23:50:30,996 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 160 states.. Second operand 4 states. Result 700 states and 1129 transitions. Complement of second has 7 states. [2018-11-28 23:50:31,002 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 [2018-11-28 23:50:31,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 23:50:31,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 667 transitions. [2018-11-28 23:50:31,011 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 667 transitions. Stem has 12 letters. Loop has 5 letters. [2018-11-28 23:50:31,015 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:50:31,015 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 667 transitions. Stem has 17 letters. Loop has 5 letters. [2018-11-28 23:50:31,016 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:50:31,016 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 667 transitions. Stem has 12 letters. Loop has 10 letters. [2018-11-28 23:50:31,016 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:50:31,017 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 700 states and 1129 transitions. [2018-11-28 23:50:31,042 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2018-11-28 23:50:31,049 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 700 states to 151 states and 263 transitions. [2018-11-28 23:50:31,051 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 84 [2018-11-28 23:50:31,052 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 85 [2018-11-28 23:50:31,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 151 states and 263 transitions. [2018-11-28 23:50:31,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 23:50:31,053 INFO L705 BuchiCegarLoop]: Abstraction has 151 states and 263 transitions. [2018-11-28 23:50:31,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states and 263 transitions. [2018-11-28 23:50:31,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 86. [2018-11-28 23:50:31,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-11-28 23:50:31,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 148 transitions. [2018-11-28 23:50:31,089 INFO L728 BuchiCegarLoop]: Abstraction has 86 states and 148 transitions. [2018-11-28 23:50:31,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:50:31,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:50:31,093 INFO L87 Difference]: Start difference. First operand 86 states and 148 transitions. Second operand 3 states. [2018-11-28 23:50:31,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:50:31,226 INFO L93 Difference]: Finished difference Result 156 states and 268 transitions. [2018-11-28 23:50:31,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:50:31,230 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 268 transitions. [2018-11-28 23:50:31,235 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2018-11-28 23:50:31,242 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 156 states and 268 transitions. [2018-11-28 23:50:31,242 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 88 [2018-11-28 23:50:31,243 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 88 [2018-11-28 23:50:31,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 156 states and 268 transitions. [2018-11-28 23:50:31,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 23:50:31,249 INFO L705 BuchiCegarLoop]: Abstraction has 156 states and 268 transitions. [2018-11-28 23:50:31,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states and 268 transitions. [2018-11-28 23:50:31,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 85. [2018-11-28 23:50:31,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-11-28 23:50:31,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 144 transitions. [2018-11-28 23:50:31,262 INFO L728 BuchiCegarLoop]: Abstraction has 85 states and 144 transitions. [2018-11-28 23:50:31,262 INFO L608 BuchiCegarLoop]: Abstraction has 85 states and 144 transitions. [2018-11-28 23:50:31,262 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:50:31,262 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 85 states and 144 transitions. [2018-11-28 23:50:31,263 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 33 [2018-11-28 23:50:31,263 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:50:31,263 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:50:31,271 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:50:31,271 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:50:31,272 INFO L794 eck$LassoCheckResult]: Stem: 1248#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[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;call #t~string0.base, #t~string0.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string0.base, #t~string0.offset, 1);call write~init~int(115, #t~string0.base, 1 + #t~string0.offset, 1);call write~init~int(10, #t~string0.base, 2 + #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 3 + #t~string0.offset, 1);~__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;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string4.base, #t~string4.offset := #Ultimate.alloc(10);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(16);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(22);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(21);~head~0.base, ~head~0.offset := 0, 0;call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(25);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(20);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string68.base, #t~string68.offset := #Ultimate.alloc(44);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(44);call #t~string75.base, #t~string75.offset := #Ultimate.alloc(9);call #t~string77.base, #t~string77.offset := #Ultimate.alloc(9);call #t~string79.base, #t~string79.offset := #Ultimate.alloc(11);call #t~string84.base, #t~string84.offset := #Ultimate.alloc(10);call #t~string87.base, #t~string87.offset := #Ultimate.alloc(12);call #t~string90.base, #t~string90.offset := #Ultimate.alloc(10);call #t~string93.base, #t~string93.offset := #Ultimate.alloc(18); 1198#L-1 havoc main_#res;havoc main_#t~nondet81, main_#t~ret82, main_~retValue_acc~36, main_~tmp~15;main_~retValue_acc~36 := main_#t~nondet81;havoc main_#t~nondet81;havoc main_~tmp~15; 1199#L2580 havoc valid_product_#res;havoc valid_product_~retValue_acc~41;havoc valid_product_~retValue_acc~41;valid_product_~retValue_acc~41 := 1;valid_product_#res := valid_product_~retValue_acc~41; 1257#L2588 main_#t~ret82 := valid_product_#res;main_~tmp~15 := main_#t~ret82;havoc main_#t~ret82; 1264#L2463 assume 0 != main_~tmp~15;havoc setup_#t~nondet76, setup_#t~nondet78, setup_#t~nondet80, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 1210#L1532 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 1196#L1538-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string75.base, #t~string75.offset;havoc setup_#t~nondet76;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 1231#L1532-2 assume !(1 == setClientId_~handle); 1232#L1535-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 1258#L1538-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string77.base, #t~string77.offset;havoc setup_#t~nondet78;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 1180#L1532-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 1181#L1538-8 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string79.base, #t~string79.offset;havoc setup_#t~nondet80; 1208#L2450 havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, 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~9, 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~9;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; 1209#L1930-1 assume !false; 1238#L1803 [2018-11-28 23:50:31,272 INFO L796 eck$LassoCheckResult]: Loop: 1238#L1803 assume test_~splverifierCounter~0 < 4; 1239#L1804 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 1200#L1810 assume !(0 == test_~op1~0); 1201#L1820 assume !(0 == test_~op2~0); 1244#L1834 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet21;havoc test_#t~nondet21; 1215#L1839 assume 0 != test_~tmp___7~0;test_~op3~0 := 1; 1184#L1930-1 assume !false; 1238#L1803 [2018-11-28 23:50:31,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:50:31,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1897365039, now seen corresponding path program 1 times [2018-11-28 23:50:31,279 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:50:31,279 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:50:31,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:50:31,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:50:31,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:50:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:50:31,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:50:31,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:50:31,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:50:31,469 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 23:50:31,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:50:31,472 INFO L82 PathProgramCache]: Analyzing trace with hash -235666265, now seen corresponding path program 1 times [2018-11-28 23:50:31,472 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:50:31,472 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:50:31,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:50:31,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:50:31,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:50:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:50:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:50:31,633 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-11-28 23:50:31,766 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-11-28 23:50:31,767 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:50:31,767 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:50:31,768 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:50:31,768 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:50:31,768 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:50:31,768 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:50:31,768 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:50:31,768 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:50:31,769 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec11_product10_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 23:50:31,769 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:50:31,769 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:50:31,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:31,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:31,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:31,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:31,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:32,073 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:50:32,073 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:50:32,080 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:50:32,080 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:50:32,089 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:50:32,089 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet21=-8, ULTIMATE.start_test_~tmp___7~0=-8} Honda state: {ULTIMATE.start_test_#t~nondet21=-8, ULTIMATE.start_test_~tmp___7~0=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:50:32,109 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:50:32,110 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:50:32,131 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:50:32,132 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=7} Honda state: {ULTIMATE.start_test_~op1~0=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:50:32,181 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:50:32,181 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:50:32,317 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:50:32,318 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:50:32,359 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:50:32,363 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:50:32,363 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:50:32,363 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:50:32,364 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:50:32,364 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:50:32,364 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:50:32,364 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:50:32,364 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:50:32,364 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec11_product10_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 23:50:32,364 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:50:32,365 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:50:32,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:32,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:32,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:32,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:32,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:50:32,601 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-11-28 23:50:32,724 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:50:32,724 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:50:32,725 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 [2018-11-28 23:50:32,726 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:50:32,728 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:50:32,728 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:50:32,728 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:50:32,728 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:50:32,729 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:50:32,729 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:50:32,731 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:50:32,731 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 [2018-11-28 23:50:32,733 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:50:32,733 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:50:32,733 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:50:32,734 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:50:32,734 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:50:32,734 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:50:32,736 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:50:32,740 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:50:32,744 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:50:32,744 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 23:50:32,745 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:50:32,745 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 23:50:32,745 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:50:32,745 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2018-11-28 23:50:32,746 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 23:50:32,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:50:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:50:32,993 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:50:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:50:33,032 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:50:33,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:50:33,381 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 [2018-11-28 23:50:33,382 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 85 states and 144 transitions. cyclomatic complexity: 61 Second operand 4 states. [2018-11-28 23:50:33,459 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 85 states and 144 transitions. cyclomatic complexity: 61. Second operand 4 states. Result 155 states and 268 transitions. Complement of second has 6 states. [2018-11-28 23:50:33,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 23:50:33,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 23:50:33,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 84 transitions. [2018-11-28 23:50:33,460 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 84 transitions. Stem has 14 letters. Loop has 7 letters. [2018-11-28 23:50:33,462 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:50:33,462 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 84 transitions. Stem has 21 letters. Loop has 7 letters. [2018-11-28 23:50:33,463 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:50:33,463 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 84 transitions. Stem has 14 letters. Loop has 14 letters. [2018-11-28 23:50:33,465 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:50:33,465 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 155 states and 268 transitions. [2018-11-28 23:50:33,468 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:50:33,472 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 155 states to 0 states and 0 transitions. [2018-11-28 23:50:33,472 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:50:33,472 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:50:33,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:50:33,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:50:33,473 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:50:33,473 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:50:33,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:50:33,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:50:33,475 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2018-11-28 23:50:33,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:50:33,475 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-28 23:50:33,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 23:50:33,476 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-28 23:50:33,476 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:50:33,476 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 23:50:33,476 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:50:33,476 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:50:33,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:50:33,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:50:33,476 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:50:33,476 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:50:33,479 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:50:33,479 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 23:50:33,479 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 23:50:33,479 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:50:33,479 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 23:50:33,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:50:33 BoogieIcfgContainer [2018-11-28 23:50:33,490 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:50:33,492 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:50:33,492 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:50:33,492 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:50:33,493 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:50:28" (3/4) ... [2018-11-28 23:50:33,499 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:50:33,500 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:50:33,501 INFO L168 Benchmark]: Toolchain (without parser) took 8404.85 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 229.6 MB). Free memory was 947.3 MB in the beginning and 1.2 GB in the end (delta: -211.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-28 23:50:33,504 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:50:33,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1255.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 50.2 MB. Max. memory is 11.5 GB. [2018-11-28 23:50:33,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:50:33,508 INFO L168 Benchmark]: Boogie Preprocessor took 108.06 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:50:33,510 INFO L168 Benchmark]: RCFGBuilder took 2239.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 90.9 MB). Peak memory consumption was 90.9 MB. Max. memory is 11.5 GB. [2018-11-28 23:50:33,512 INFO L168 Benchmark]: BuchiAutomizer took 4636.91 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 93.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -156.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:50:33,514 INFO L168 Benchmark]: Witness Printer took 8.11 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:50:33,520 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1255.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 50.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 150.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 108.06 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2239.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 90.9 MB). Peak memory consumption was 90.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4636.91 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 93.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -156.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 8.11 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 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 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op1 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.2s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 136 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 85 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 706 SDtfs, 628 SDslu, 855 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax100 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 5ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...