./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec3_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f6fb2bb1 Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/product-lines/email_spec3_product24.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 31e56fba08344de1d3d53d11c356e01a14a78cbd ...................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-f6fb2bb [2019-11-19 20:01:52,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 20:01:52,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 20:01:52,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 20:01:52,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 20:01:52,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 20:01:52,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 20:01:52,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 20:01:52,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 20:01:52,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 20:01:52,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 20:01:52,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 20:01:52,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 20:01:52,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 20:01:52,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 20:01:52,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 20:01:52,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 20:01:52,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 20:01:52,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 20:01:52,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 20:01:52,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 20:01:52,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 20:01:52,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 20:01:52,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 20:01:52,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 20:01:52,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 20:01:52,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 20:01:52,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 20:01:52,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 20:01:52,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 20:01:52,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 20:01:52,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 20:01:52,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 20:01:52,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 20:01:52,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 20:01:52,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 20:01:52,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 20:01:52,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 20:01:52,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 20:01:52,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 20:01:52,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 20:01:52,274 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 20:01:52,290 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 20:01:52,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 20:01:52,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 20:01:52,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 20:01:52,292 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 20:01:52,293 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 20:01:52,293 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 20:01:52,293 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 20:01:52,293 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 20:01:52,294 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 20:01:52,294 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 20:01:52,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 20:01:52,294 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 20:01:52,294 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 20:01:52,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 20:01:52,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 20:01:52,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 20:01:52,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 20:01:52,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 20:01:52,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 20:01:52,297 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 20:01:52,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 20:01:52,297 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 20:01:52,297 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 20:01:52,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 20:01:52,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 20:01:52,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 20:01:52,299 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 20:01:52,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 20:01:52,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 20:01:52,299 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 20:01:52,301 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 20:01:52,301 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> 31e56fba08344de1d3d53d11c356e01a14a78cbd [2019-11-19 20:01:52,603 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 20:01:52,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 20:01:52,627 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 20:01:52,629 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 20:01:52,629 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 20:01:52,630 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec3_product24.cil.c [2019-11-19 20:01:52,706 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f606dfe7a/60155c897ed643099587027f0f682dde/FLAGb569cac24 [2019-11-19 20:01:53,376 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 20:01:53,378 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product24.cil.c [2019-11-19 20:01:53,407 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f606dfe7a/60155c897ed643099587027f0f682dde/FLAGb569cac24 [2019-11-19 20:01:53,544 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f606dfe7a/60155c897ed643099587027f0f682dde [2019-11-19 20:01:53,547 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 20:01:53,549 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 20:01:53,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 20:01:53,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 20:01:53,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 20:01:53,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:53" (1/1) ... [2019-11-19 20:01:53,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46d8bdd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:53, skipping insertion in model container [2019-11-19 20:01:53,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:53" (1/1) ... [2019-11-19 20:01:53,570 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 20:01:53,669 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 20:01:54,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 20:01:54,445 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 20:01:54,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 20:01:54,688 INFO L192 MainTranslator]: Completed translation [2019-11-19 20:01:54,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:54 WrapperNode [2019-11-19 20:01:54,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 20:01:54,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 20:01:54,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 20:01:54,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 20:01:54,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:54" (1/1) ... [2019-11-19 20:01:54,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:54" (1/1) ... [2019-11-19 20:01:54,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 20:01:54,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 20:01:54,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 20:01:54,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 20:01:54,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:54" (1/1) ... [2019-11-19 20:01:54,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:54" (1/1) ... [2019-11-19 20:01:54,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:54" (1/1) ... [2019-11-19 20:01:54,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:54" (1/1) ... [2019-11-19 20:01:54,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:54" (1/1) ... [2019-11-19 20:01:54,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:54" (1/1) ... [2019-11-19 20:01:54,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:54" (1/1) ... [2019-11-19 20:01:54,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 20:01:54,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 20:01:54,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 20:01:54,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 20:01:54,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:54" (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 [2019-11-19 20:01:55,098 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-19 20:01:55,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 20:01:55,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 20:01:55,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 20:01:55,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 20:01:57,743 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 20:01:57,743 INFO L285 CfgBuilder]: Removed 347 assume(true) statements. [2019-11-19 20:01:57,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:57 BoogieIcfgContainer [2019-11-19 20:01:57,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 20:01:57,747 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 20:01:57,747 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 20:01:57,752 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 20:01:57,753 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 20:01:57,753 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 08:01:53" (1/3) ... [2019-11-19 20:01:57,755 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39a1e1b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:01:57, skipping insertion in model container [2019-11-19 20:01:57,755 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 20:01:57,756 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:54" (2/3) ... [2019-11-19 20:01:57,756 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39a1e1b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:01:57, skipping insertion in model container [2019-11-19 20:01:57,756 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 20:01:57,757 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:57" (3/3) ... [2019-11-19 20:01:57,758 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec3_product24.cil.c [2019-11-19 20:01:57,817 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 20:01:57,818 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 20:01:57,818 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 20:01:57,818 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 20:01:57,818 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 20:01:57,818 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 20:01:57,819 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 20:01:57,819 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 20:01:57,863 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 511 states. [2019-11-19 20:01:57,949 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 216 [2019-11-19 20:01:57,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:01:57,949 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:01:57,963 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:01:57,964 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:01:57,964 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 20:01:57,964 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 511 states. [2019-11-19 20:01:57,972 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 216 [2019-11-19 20:01:57,972 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:01:57,972 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:01:57,978 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:01:57,979 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:01:57,994 INFO L794 eck$LassoCheckResult]: Stem: 382#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(44);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(44);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(9);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(9);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(11);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(19);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string19.base, #t~string19.offset, 1);call write~init~int(100, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(10, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string22.base, #t~string22.offset, 1);call write~init~int(100, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(10, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(10);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(12);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(10);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(18);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(16);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(25);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(10);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(16);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(20);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(22);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(21);~head~0.base, ~head~0.offset := 0, 0;call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(30);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(9);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(21);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(30);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(9);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(21);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(30);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(9);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(25);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(30);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(9);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(25);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string122.base, #t~string122.offset, 1);call write~init~int(115, #t~string122.base, 1 + #t~string122.offset, 1);call write~init~int(10, #t~string122.base, 2 + #t~string122.offset, 1);call write~init~int(0, #t~string122.base, 3 + #t~string122.offset, 1);~sent_signed~0 := -1;call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(13);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(16);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(15);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(16); 301#L-1true havoc main_#res;havoc main_#t~ret14, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 364#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; 453#L83true main_#t~ret14 := valid_product_#res;main_~tmp~1 := main_#t~ret14;havoc main_#t~ret14; 30#L257true assume 0 != main_~tmp~1;havoc setup_#t~nondet9, setup_#t~nondet11, setup_#t~nondet13, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 329#L1562true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 110#L1568-2true 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; 19#L1127true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 294#L1133-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string8.base, #t~string8.offset;havoc setup_#t~nondet9;~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; 313#L1562-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 116#L1568-5true 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; 24#L1127-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 400#L1133-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string10.base, #t~string10.offset;havoc setup_#t~nondet11;~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; 316#L1562-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 91#L1568-8true 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; 10#L1127-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 404#L1133-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string12.base, #t~string12.offset;havoc setup_#t~nondet13; 271#L244true havoc test_#t~nondet52, test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, 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~8, test_~tmp___0~4, test_~tmp___1~2, test_~tmp___2~1, 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~8;havoc test_~tmp___0~4;havoc test_~tmp___1~2;havoc test_~tmp___2~1;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; 62#L1767-1true [2019-11-19 20:01:57,995 INFO L796 eck$LassoCheckResult]: Loop: 62#L1767-1true assume !false; 206#L1619true assume test_~splverifierCounter~0 < 4; 143#L1620true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 513#L1626true assume !(0 == test_~op1~0); 325#L1639true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet53;havoc test_#t~nondet53; 33#L1644true assume 0 != test_~tmp___8~0;setClientAutoResponse_#in~handle, setClientAutoResponse_#in~value := ~rjh~0, 1;havoc setClientAutoResponse_~handle, setClientAutoResponse_~value;setClientAutoResponse_~handle := setClientAutoResponse_#in~handle;setClientAutoResponse_~value := setClientAutoResponse_#in~value; 163#L1080true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 425#L1086-2true test_~op2~0 := 1; 62#L1767-1true [2019-11-19 20:01:58,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:01:58,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-19 20:01:58,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:01:58,015 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456082352] [2019-11-19 20:01:58,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:01:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:01:58,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:01:58,467 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456082352] [2019-11-19 20:01:58,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:01:58,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 20:01:58,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154346713] [2019-11-19 20:01:58,475 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 20:01:58,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:01:58,476 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2019-11-19 20:01:58,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:01:58,476 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129466770] [2019-11-19 20:01:58,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:01:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:01:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:01:58,549 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:01:58,647 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 20:01:58,648 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 20:01:58,648 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 20:01:58,648 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 20:01:58,649 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 20:01:58,649 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:58,650 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 20:01:58,650 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 20:01:58,650 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_product24.cil.c_Iteration1_Loop [2019-11-19 20:01:58,650 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 20:01:58,651 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 20:01:58,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:58,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:58,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:58,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:58,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:58,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:58,899 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 20:01:58,901 INFO L404 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) [2019-11-19 20:01:58,919 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 20:01:58,920 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:58,938 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 20:01:58,940 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_#in~value=1, ULTIMATE.start_setClientAutoResponse_~value=1} Honda state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_#in~value=1, ULTIMATE.start_setClientAutoResponse_~value=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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) [2019-11-19 20:01:59,000 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 20:01:59,000 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 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 [2019-11-19 20:01:59,062 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 20:01:59,062 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 20:01:59,080 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 20:01:59,083 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 20:01:59,083 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 20:01:59,084 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 20:01:59,084 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 20:01:59,084 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 20:01:59,084 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:59,084 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 20:01:59,084 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 20:01:59,085 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_product24.cil.c_Iteration1_Loop [2019-11-19 20:01:59,085 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 20:01:59,085 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 20:01:59,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:59,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:59,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:59,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:59,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:59,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:59,327 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 20:01:59,334 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2019-11-19 20:01:59,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 20:01:59,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 20:01:59,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 20:01:59,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 20:01:59,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 20:01:59,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 20:01:59,358 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 20:01:59,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:59,364 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 20:01:59,371 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-19 20:01:59,372 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 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) [2019-11-19 20:01:59,379 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 20:01:59,379 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 20:01:59,381 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 20:01:59,381 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-11-19 20:01:59,389 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:59,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:01:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:01:59,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 20:01:59,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 20:01:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:01:59,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 20:01:59,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 20:01:59,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:01:59,786 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-19 20:01:59,788 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 511 states. Second operand 5 states. [2019-11-19 20:02:00,012 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 511 states.. Second operand 5 states. Result 1263 states and 2162 transitions. Complement of second has 7 states. [2019-11-19 20:02:00,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 20:02:00,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-19 20:02:00,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1328 transitions. [2019-11-19 20:02:00,019 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1328 transitions. Stem has 18 letters. Loop has 8 letters. [2019-11-19 20:02:00,021 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 20:02:00,021 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1328 transitions. Stem has 26 letters. Loop has 8 letters. [2019-11-19 20:02:00,022 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 20:02:00,022 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1328 transitions. Stem has 18 letters. Loop has 16 letters. [2019-11-19 20:02:00,023 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 20:02:00,025 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1263 states and 2162 transitions. [2019-11-19 20:02:00,041 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 20:02:00,044 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1263 states to 0 states and 0 transitions. [2019-11-19 20:02:00,046 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 20:02:00,047 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 20:02:00,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 20:02:00,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 20:02:00,048 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 20:02:00,049 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 20:02:00,049 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:02:00,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 20:02:00,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 20:02:00,055 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-11-19 20:02:00,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:02:00,058 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-19 20:02:00,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 20:02:00,059 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-19 20:02:00,059 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 20:02:00,060 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 20:02:00,060 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 20:02:00,060 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 20:02:00,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 20:02:00,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 20:02:00,061 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 20:02:00,061 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 20:02:00,061 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 20:02:00,061 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 20:02:00,061 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 20:02:00,062 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 20:02:00,062 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 20:02:00,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 08:02:00 BoogieIcfgContainer [2019-11-19 20:02:00,070 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 20:02:00,070 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 20:02:00,071 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 20:02:00,071 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 20:02:00,072 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:57" (3/4) ... [2019-11-19 20:02:00,075 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 20:02:00,076 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 20:02:00,079 INFO L168 Benchmark]: Toolchain (without parser) took 6529.02 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 240.6 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -79.6 MB). Peak memory consumption was 161.1 MB. Max. memory is 11.5 GB. [2019-11-19 20:02:00,081 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 20:02:00,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1138.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -140.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-11-19 20:02:00,084 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.00 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-11-19 20:02:00,086 INFO L168 Benchmark]: Boogie Preprocessor took 138.21 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 20:02:00,087 INFO L168 Benchmark]: RCFGBuilder took 2767.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 841.9 MB in the end (delta: 229.8 MB). Peak memory consumption was 229.8 MB. Max. memory is 11.5 GB. [2019-11-19 20:02:00,089 INFO L168 Benchmark]: BuchiAutomizer took 2323.11 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 90.7 MB). Free memory was 841.9 MB in the beginning and 1.0 GB in the end (delta: -188.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 20:02:00,095 INFO L168 Benchmark]: Witness Printer took 5.60 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 20:02:00,109 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1138.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -140.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 150.00 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 138.21 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2767.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 841.9 MB in the end (delta: 229.8 MB). Peak memory consumption was 229.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2323.11 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 90.7 MB). Free memory was 841.9 MB in the beginning and 1.0 GB in the end (delta: -188.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 5.60 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 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 2.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 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: 879 SDtfs, 879 SDslu, 1654 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: inital45 mio100 ax100 hnf100 lsp24 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq209 hnf86 smp100 dnf120 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 44ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...