./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec0_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_spec0_product09.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 ce7364cd70f987b4cba0c7409508abe2109bfa2e .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 15:46:24,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 15:46:24,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 15:46:24,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 15:46:24,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 15:46:24,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 15:46:24,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 15:46:24,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 15:46:24,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 15:46:24,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 15:46:24,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 15:46:24,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 15:46:24,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 15:46:24,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 15:46:24,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 15:46:24,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 15:46:24,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 15:46:24,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 15:46:24,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 15:46:24,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 15:46:24,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 15:46:24,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 15:46:24,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 15:46:24,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 15:46:24,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 15:46:24,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 15:46:24,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 15:46:24,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 15:46:24,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 15:46:24,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 15:46:24,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 15:46:24,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 15:46:24,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 15:46:24,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 15:46:24,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 15:46:24,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 15:46:24,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 15:46:24,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 15:46:24,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 15:46:24,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 15:46:24,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 15:46:24,292 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 15:46:24,326 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 15:46:24,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 15:46:24,327 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 15:46:24,327 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 15:46:24,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 15:46:24,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 15:46:24,329 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 15:46:24,329 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 15:46:24,330 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 15:46:24,330 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 15:46:24,331 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 15:46:24,331 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 15:46:24,331 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 15:46:24,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 15:46:24,331 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 15:46:24,331 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 15:46:24,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 15:46:24,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 15:46:24,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 15:46:24,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 15:46:24,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 15:46:24,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 15:46:24,332 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 15:46:24,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 15:46:24,333 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 15:46:24,333 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 15:46:24,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 15:46:24,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 15:46:24,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 15:46:24,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 15:46:24,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 15:46:24,334 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 15:46:24,335 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 15:46:24,335 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce7364cd70f987b4cba0c7409508abe2109bfa2e [2021-08-27 15:46:24,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 15:46:24,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 15:46:24,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 15:46:24,630 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 15:46:24,631 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 15:46:24,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product09.cil.c [2021-08-27 15:46:24,679 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edaea30f1/51643742d02b4ead934bde149c35a8bc/FLAGa54c0c0b5 [2021-08-27 15:46:25,284 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 15:46:25,286 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product09.cil.c [2021-08-27 15:46:25,304 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edaea30f1/51643742d02b4ead934bde149c35a8bc/FLAGa54c0c0b5 [2021-08-27 15:46:25,708 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edaea30f1/51643742d02b4ead934bde149c35a8bc [2021-08-27 15:46:25,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 15:46:25,711 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 15:46:25,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 15:46:25,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 15:46:25,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 15:46:25,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:46:25" (1/1) ... [2021-08-27 15:46:25,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c0212f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:46:25, skipping insertion in model container [2021-08-27 15:46:25,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:46:25" (1/1) ... [2021-08-27 15:46:25,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 15:46:25,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 15:46:26,231 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product09.cil.c[57048,57061] [2021-08-27 15:46:26,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:46:26,250 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 15:46:26,365 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product09.cil.c[57048,57061] [2021-08-27 15:46:26,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:46:26,393 INFO L208 MainTranslator]: Completed translation [2021-08-27 15:46:26,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:46:26 WrapperNode [2021-08-27 15:46:26,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 15:46:26,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 15:46:26,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 15:46:26,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 15:46:26,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:46:26" (1/1) ... [2021-08-27 15:46:26,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:46:26" (1/1) ... [2021-08-27 15:46:26,520 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 15:46:26,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 15:46:26,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 15:46:26,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 15:46:26,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:46:26" (1/1) ... [2021-08-27 15:46:26,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:46:26" (1/1) ... [2021-08-27 15:46:26,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:46:26" (1/1) ... [2021-08-27 15:46:26,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:46:26" (1/1) ... [2021-08-27 15:46:26,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:46:26" (1/1) ... [2021-08-27 15:46:26,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:46:26" (1/1) ... [2021-08-27 15:46:26,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:46:26" (1/1) ... [2021-08-27 15:46:26,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 15:46:26,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 15:46:26,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 15:46:26,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 15:46:26,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:46:26" (1/1) ... [2021-08-27 15:46:26,635 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:46:26,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:46:26,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:46:26,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-27 15:46:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-08-27 15:46:26,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 15:46:26,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 15:46:26,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 15:46:26,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 15:46:28,107 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 15:46:28,107 INFO L299 CfgBuilder]: Removed 329 assume(true) statements. [2021-08-27 15:46:28,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:46:28 BoogieIcfgContainer [2021-08-27 15:46:28,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 15:46:28,111 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 15:46:28,111 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 15:46:28,114 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 15:46:28,114 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:46:28,114 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 03:46:25" (1/3) ... [2021-08-27 15:46:28,115 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7763d55a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:46:28, skipping insertion in model container [2021-08-27 15:46:28,115 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:46:28,115 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:46:26" (2/3) ... [2021-08-27 15:46:28,116 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7763d55a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:46:28, skipping insertion in model container [2021-08-27 15:46:28,116 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:46:28,116 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:46:28" (3/3) ... [2021-08-27 15:46:28,117 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec0_product09.cil.c [2021-08-27 15:46:28,155 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 15:46:28,155 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 15:46:28,155 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 15:46:28,156 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 15:46:28,156 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 15:46:28,156 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 15:46:28,156 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 15:46:28,156 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 15:46:28,175 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 395 states, 394 states have (on average 1.6852791878172588) internal successors, (664), 394 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:46:28,206 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2021-08-27 15:46:28,206 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:46:28,206 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:46:28,217 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:46:28,217 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 15:46:28,217 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 15:46:28,218 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 395 states, 394 states have (on average 1.6852791878172588) internal successors, (664), 394 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:46:28,226 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2021-08-27 15:46:28,226 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:46:28,226 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:46:28,227 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:46:28,227 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 15:46:28,231 INFO L791 eck$LassoCheckResult]: Stem: 379#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(44);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(44);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(11);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(10);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(34);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(30);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(16);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(21);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(10);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(12);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(10);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(18);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string102.base, #t~string102.offset, 1);call write~init~int(115, #t~string102.base, 1 + #t~string102.offset, 1);call write~init~int(10, #t~string102.base, 2 + #t~string102.offset, 1);call write~init~int(0, #t~string102.base, 3 + #t~string102.offset, 1);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(16);~__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;~__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;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 324#L-1true havoc main_#res;havoc main_#t~nondet32, main_#t~ret33, main_~retValue_acc~2, main_~tmp~2;main_~retValue_acc~2 := main_#t~nondet32;havoc main_#t~nondet32;havoc main_~tmp~2; 270#L275true 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; 167#L283true main_#t~ret33 := valid_product_#res;main_~tmp~2 := main_#t~ret33;havoc main_#t~ret33; 122#L406true assume 0 != main_~tmp~2;havoc setup_#t~nondet27, setup_#t~nondet29, setup_#t~nondet31, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 142#L2277true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 79#L2283-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string26.base, #t~string26.offset;havoc setup_#t~nondet27;~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; 181#L2277-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 190#L2283-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string28.base, #t~string28.offset;havoc setup_#t~nondet29;~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; 21#L2277-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 132#L2283-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string30.base, #t~string30.offset;havoc setup_#t~nondet31; 102#L393true havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 373#L211-1true [2021-08-27 15:46:28,231 INFO L793 eck$LassoCheckResult]: Loop: 373#L211-1true assume !false; 278#L84true assume test_~splverifierCounter~0 < 4; 33#L85true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 108#L91true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet7;havoc test_#t~nondet7; 162#L95true assume 0 != test_~tmp___9~0;test_~op1~0 := 1; 373#L211-1true [2021-08-27 15:46:28,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:46:28,236 INFO L82 PathProgramCache]: Analyzing trace with hash -580026000, now seen corresponding path program 1 times [2021-08-27 15:46:28,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:46:28,243 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893611003] [2021-08-27 15:46:28,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:46:28,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:46:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:46:28,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:46:28,471 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:46:28,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893611003] [2021-08-27 15:46:28,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893611003] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:46:28,472 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:46:28,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 15:46:28,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263160399] [2021-08-27 15:46:28,477 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:46:28,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:46:28,477 INFO L82 PathProgramCache]: Analyzing trace with hash 103192148, now seen corresponding path program 1 times [2021-08-27 15:46:28,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:46:28,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063732415] [2021-08-27 15:46:28,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:46:28,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:46:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:46:28,485 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:46:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:46:28,510 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:46:28,554 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:46:28,555 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:46:28,555 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:46:28,555 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:46:28,555 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 15:46:28,555 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:46:28,556 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:46:28,556 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:46:28,556 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product09.cil.c_Iteration1_Loop [2021-08-27 15:46:28,556 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:46:28,556 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:46:28,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:46:28,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:46:28,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:46:28,662 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:46:28,662 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 15:46:28,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:46:28,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:46:28,669 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:46:28,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-08-27 15:46:28,677 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:46:28,678 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:46:28,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-08-27 15:46:28,723 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:46:28,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:46:28,724 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:46:28,730 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 15:46:28,730 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:46:28,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-08-27 15:46:28,747 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 15:46:28,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-08-27 15:46:28,772 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:46:28,772 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:46:28,772 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:46:28,772 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:46:28,772 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:46:28,772 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:46:28,772 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:46:28,772 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:46:28,773 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product09.cil.c_Iteration1_Loop [2021-08-27 15:46:28,773 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:46:28,773 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:46:28,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:46:28,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:46:28,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:46:28,844 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:46:28,849 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:46:28,851 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:46:28,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:46:28,857 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:46:28,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-08-27 15:46:28,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:46:28,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:46:28,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:46:28,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:46:28,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:46:28,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:46:28,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:46:28,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:46:28,882 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:46:28,891 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 15:46:28,891 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 15:46:28,893 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:46:28,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:46:28,897 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:46:28,909 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:46:28,909 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 15:46:28,910 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:46:28,910 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] [2021-08-27 15:46:28,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-08-27 15:46:28,930 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-08-27 15:46:28,932 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 15:46:28,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:46:29,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-08-27 15:46:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:46:29,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:46:29,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:46:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:46:29,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:46:29,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:46:29,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:46:29,339 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 [2021-08-27 15:46:29,341 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 395 states, 394 states have (on average 1.6852791878172588) internal successors, (664), 394 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:46:29,495 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 395 states, 394 states have (on average 1.6852791878172588) internal successors, (664), 394 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1836 states and 3061 transitions. Complement of second has 7 states. [2021-08-27 15:46:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-27 15:46:29,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:46:29,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1801 transitions. [2021-08-27 15:46:29,500 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1801 transitions. Stem has 12 letters. Loop has 5 letters. [2021-08-27 15:46:29,501 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:46:29,501 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1801 transitions. Stem has 17 letters. Loop has 5 letters. [2021-08-27 15:46:29,501 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:46:29,501 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1801 transitions. Stem has 12 letters. Loop has 10 letters. [2021-08-27 15:46:29,501 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:46:29,502 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1836 states and 3061 transitions. [2021-08-27 15:46:29,518 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 143 [2021-08-27 15:46:29,524 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1836 states to 307 states and 563 transitions. [2021-08-27 15:46:29,525 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 162 [2021-08-27 15:46:29,525 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 163 [2021-08-27 15:46:29,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 307 states and 563 transitions. [2021-08-27 15:46:29,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:46:29,526 INFO L681 BuchiCegarLoop]: Abstraction has 307 states and 563 transitions. [2021-08-27 15:46:29,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states and 563 transitions. [2021-08-27 15:46:29,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 164. [2021-08-27 15:46:29,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 164 states have (on average 1.8170731707317074) internal successors, (298), 163 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:46:29,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 298 transitions. [2021-08-27 15:46:29,554 INFO L704 BuchiCegarLoop]: Abstraction has 164 states and 298 transitions. [2021-08-27 15:46:29,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:46:29,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 15:46:29,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 15:46:29,558 INFO L87 Difference]: Start difference. First operand 164 states and 298 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:46:29,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:46:29,587 INFO L93 Difference]: Finished difference Result 312 states and 568 transitions. [2021-08-27 15:46:29,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 15:46:29,588 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 312 states and 568 transitions. [2021-08-27 15:46:29,590 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2021-08-27 15:46:29,592 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 312 states to 312 states and 568 transitions. [2021-08-27 15:46:29,592 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 166 [2021-08-27 15:46:29,593 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 166 [2021-08-27 15:46:29,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 312 states and 568 transitions. [2021-08-27 15:46:29,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:46:29,594 INFO L681 BuchiCegarLoop]: Abstraction has 312 states and 568 transitions. [2021-08-27 15:46:29,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states and 568 transitions. [2021-08-27 15:46:29,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 163. [2021-08-27 15:46:29,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 163 states have (on average 1.803680981595092) internal successors, (294), 162 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:46:29,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 294 transitions. [2021-08-27 15:46:29,601 INFO L704 BuchiCegarLoop]: Abstraction has 163 states and 294 transitions. [2021-08-27 15:46:29,601 INFO L587 BuchiCegarLoop]: Abstraction has 163 states and 294 transitions. [2021-08-27 15:46:29,601 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 15:46:29,601 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 163 states and 294 transitions. [2021-08-27 15:46:29,602 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2021-08-27 15:46:29,602 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:46:29,602 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:46:29,603 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:46:29,603 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-08-27 15:46:29,603 INFO L791 eck$LassoCheckResult]: Stem: 2939#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(44);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(44);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(11);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(10);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(34);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(30);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(16);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(21);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(10);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(12);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(10);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(18);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string102.base, #t~string102.offset, 1);call write~init~int(115, #t~string102.base, 1 + #t~string102.offset, 1);call write~init~int(10, #t~string102.base, 2 + #t~string102.offset, 1);call write~init~int(0, #t~string102.base, 3 + #t~string102.offset, 1);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(16);~__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;~__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;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 2921#L-1 havoc main_#res;havoc main_#t~nondet32, main_#t~ret33, main_~retValue_acc~2, main_~tmp~2;main_~retValue_acc~2 := main_#t~nondet32;havoc main_#t~nondet32;havoc main_~tmp~2; 2922#L275 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; 2900#L283 main_#t~ret33 := valid_product_#res;main_~tmp~2 := main_#t~ret33;havoc main_#t~ret33; 2901#L406 assume 0 != main_~tmp~2;havoc setup_#t~nondet27, setup_#t~nondet29, setup_#t~nondet31, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 2920#L2277 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 2928#L2283-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string26.base, #t~string26.offset;havoc setup_#t~nondet27;~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; 2934#L2277-2 assume !(1 == setClientId_~handle); 2915#L2280-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 2823#L2283-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string28.base, #t~string28.offset;havoc setup_#t~nondet29;~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; 2824#L2277-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 2896#L2283-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string30.base, #t~string30.offset;havoc setup_#t~nondet31; 2869#L393 havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 2870#L211-1 assume !false; 2923#L84 [2021-08-27 15:46:29,603 INFO L793 eck$LassoCheckResult]: Loop: 2923#L84 assume test_~splverifierCounter~0 < 4; 2916#L85 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 2888#L91 assume !(0 == test_~op1~0); 2878#L101 assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet8;havoc test_#t~nondet8; 2935#L106 assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 2818#L211-1 assume !false; 2923#L84 [2021-08-27 15:46:29,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:46:29,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1897365039, now seen corresponding path program 1 times [2021-08-27 15:46:29,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:46:29,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38610751] [2021-08-27 15:46:29,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:46:29,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:46:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:46:29,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:46:29,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:46:29,711 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38610751] [2021-08-27 15:46:29,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38610751] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:46:29,712 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:46:29,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 15:46:29,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204758876] [2021-08-27 15:46:29,712 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:46:29,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:46:29,713 INFO L82 PathProgramCache]: Analyzing trace with hash -977460337, now seen corresponding path program 1 times [2021-08-27 15:46:29,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:46:29,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518191930] [2021-08-27 15:46:29,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:46:29,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:46:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:46:29,719 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:46:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:46:29,739 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:46:29,788 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:46:29,789 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:46:29,789 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:46:29,789 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:46:29,789 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 15:46:29,789 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:46:29,789 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:46:29,789 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:46:29,789 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product09.cil.c_Iteration2_Loop [2021-08-27 15:46:29,789 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:46:29,789 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:46:29,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:46:29,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:46:29,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:46:29,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:46:29,874 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:46:29,875 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 15:46:29,875 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:46:29,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:46:29,877 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:46:29,888 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:46:29,888 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:46:29,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-08-27 15:46:29,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-08-27 15:46:29,933 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:46:29,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:46:29,936 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:46:29,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-08-27 15:46:29,938 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 15:46:29,938 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:46:29,960 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 15:46:29,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-08-27 15:46:29,986 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:46:29,986 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:46:29,987 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:46:29,987 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:46:29,987 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:46:29,987 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:46:29,987 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:46:29,987 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:46:29,987 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product09.cil.c_Iteration2_Loop [2021-08-27 15:46:29,987 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:46:29,987 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:46:29,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:46:29,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:46:29,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:46:30,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:46:30,080 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:46:30,080 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:46:30,080 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:46:30,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:46:30,082 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:46:30,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-08-27 15:46:30,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:46:30,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:46:30,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:46:30,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:46:30,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:46:30,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:46:30,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:46:30,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:46:30,106 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:46:30,108 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 15:46:30,109 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 15:46:30,109 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:46:30,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:46:30,110 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:46:30,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-08-27 15:46:30,111 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:46:30,111 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 15:46:30,111 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:46:30,111 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2021-08-27 15:46:30,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-08-27 15:46:30,136 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 15:46:30,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:46:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:46:30,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:46:30,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:46:30,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-08-27 15:46:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:46:30,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:46:30,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:46:30,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:46:30,431 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 [2021-08-27 15:46:30,431 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 163 states and 294 transitions. cyclomatic complexity: 133 Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:46:30,469 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 163 states and 294 transitions. cyclomatic complexity: 133. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 602 states and 1103 transitions. Complement of second has 6 states. [2021-08-27 15:46:30,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-27 15:46:30,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:46:30,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 292 transitions. [2021-08-27 15:46:30,472 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 292 transitions. Stem has 14 letters. Loop has 6 letters. [2021-08-27 15:46:30,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:46:30,473 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 292 transitions. Stem has 20 letters. Loop has 6 letters. [2021-08-27 15:46:30,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:46:30,473 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 292 transitions. Stem has 14 letters. Loop has 12 letters. [2021-08-27 15:46:30,474 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:46:30,474 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 602 states and 1103 transitions. [2021-08-27 15:46:30,478 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 143 [2021-08-27 15:46:30,481 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 602 states to 602 states and 1103 transitions. [2021-08-27 15:46:30,482 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 164 [2021-08-27 15:46:30,482 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 166 [2021-08-27 15:46:30,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 602 states and 1103 transitions. [2021-08-27 15:46:30,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:46:30,484 INFO L681 BuchiCegarLoop]: Abstraction has 602 states and 1103 transitions. [2021-08-27 15:46:30,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states and 1103 transitions. [2021-08-27 15:46:30,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 313. [2021-08-27 15:46:30,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 313 states have (on average 1.8210862619808306) internal successors, (570), 312 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:46:30,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 570 transitions. [2021-08-27 15:46:30,505 INFO L704 BuchiCegarLoop]: Abstraction has 313 states and 570 transitions. [2021-08-27 15:46:30,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:46:30,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 15:46:30,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 15:46:30,507 INFO L87 Difference]: Start difference. First operand 313 states and 570 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:46:30,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:46:30,541 INFO L93 Difference]: Finished difference Result 314 states and 568 transitions. [2021-08-27 15:46:30,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 15:46:30,542 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 314 states and 568 transitions. [2021-08-27 15:46:30,546 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2021-08-27 15:46:30,548 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 314 states to 314 states and 568 transitions. [2021-08-27 15:46:30,548 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 93 [2021-08-27 15:46:30,548 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 93 [2021-08-27 15:46:30,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 314 states and 568 transitions. [2021-08-27 15:46:30,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:46:30,552 INFO L681 BuchiCegarLoop]: Abstraction has 314 states and 568 transitions. [2021-08-27 15:46:30,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states and 568 transitions. [2021-08-27 15:46:30,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 313. [2021-08-27 15:46:30,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 313 states have (on average 1.8115015974440896) internal successors, (567), 312 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:46:30,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 567 transitions. [2021-08-27 15:46:30,561 INFO L704 BuchiCegarLoop]: Abstraction has 313 states and 567 transitions. [2021-08-27 15:46:30,561 INFO L587 BuchiCegarLoop]: Abstraction has 313 states and 567 transitions. [2021-08-27 15:46:30,561 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 15:46:30,561 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 313 states and 567 transitions. [2021-08-27 15:46:30,562 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2021-08-27 15:46:30,562 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:46:30,562 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:46:30,564 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:46:30,564 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:46:30,564 INFO L791 eck$LassoCheckResult]: Stem: 4414#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(44);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(44);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(11);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(10);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(34);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(30);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(16);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(21);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(10);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(12);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(10);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(18);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string102.base, #t~string102.offset, 1);call write~init~int(115, #t~string102.base, 1 + #t~string102.offset, 1);call write~init~int(10, #t~string102.base, 2 + #t~string102.offset, 1);call write~init~int(0, #t~string102.base, 3 + #t~string102.offset, 1);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(16);~__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;~__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;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 4395#L-1 havoc main_#res;havoc main_#t~nondet32, main_#t~ret33, main_~retValue_acc~2, main_~tmp~2;main_~retValue_acc~2 := main_#t~nondet32;havoc main_#t~nondet32;havoc main_~tmp~2; 4396#L275 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; 4374#L283 main_#t~ret33 := valid_product_#res;main_~tmp~2 := main_#t~ret33;havoc main_#t~ret33; 4375#L406 assume 0 != main_~tmp~2;havoc setup_#t~nondet27, setup_#t~nondet29, setup_#t~nondet31, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4394#L2277 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4402#L2283-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string26.base, #t~string26.offset;havoc setup_#t~nondet27;~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; 4408#L2277-2 assume !(1 == setClientId_~handle); 4389#L2280-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4299#L2283-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string28.base, #t~string28.offset;havoc setup_#t~nondet29;~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; 4300#L2277-4 assume !(1 == setClientId_~handle); 4371#L2280-4 assume !(2 == setClientId_~handle); 4386#L2283-6 assume 3 == setClientId_~handle;~__ste_client_idCounter2~0 := setClientId_~value; 4415#L2283-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string30.base, #t~string30.offset;havoc setup_#t~nondet31; 4345#L393 havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 4346#L211-1 assume !false; 4433#L84 assume test_~splverifierCounter~0 < 4; 4390#L85 [2021-08-27 15:46:30,565 INFO L793 eck$LassoCheckResult]: Loop: 4390#L85 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4363#L91 assume !(0 == test_~op1~0); 4354#L101 assume !(0 == test_~op2~0); 4410#L112 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet9;havoc test_#t~nondet9; 4293#L117 assume 0 != test_~tmp___7~0;test_~op3~0 := 1; 4294#L211-1 assume !false; 4397#L84 assume test_~splverifierCounter~0 < 4; 4390#L85 [2021-08-27 15:46:30,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:46:30,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1122563546, now seen corresponding path program 1 times [2021-08-27 15:46:30,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:46:30,567 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535162160] [2021-08-27 15:46:30,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:46:30,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:46:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:46:30,651 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:46:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:46:30,700 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:46:30,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:46:30,700 INFO L82 PathProgramCache]: Analyzing trace with hash -655079928, now seen corresponding path program 1 times [2021-08-27 15:46:30,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:46:30,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712087661] [2021-08-27 15:46:30,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:46:30,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:46:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:46:30,706 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:46:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:46:30,711 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:46:30,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:46:30,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1397323843, now seen corresponding path program 1 times [2021-08-27 15:46:30,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:46:30,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244307913] [2021-08-27 15:46:30,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:46:30,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:46:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:46:30,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:46:30,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:46:30,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244307913] [2021-08-27 15:46:30,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244307913] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:46:30,775 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:46:30,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 15:46:30,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676605511] [2021-08-27 15:46:30,819 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:46:30,820 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:46:30,820 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:46:30,820 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:46:30,820 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 15:46:30,820 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:46:30,820 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:46:30,820 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:46:30,820 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product09.cil.c_Iteration3_Loop [2021-08-27 15:46:30,820 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:46:30,820 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:46:30,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:46:30,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:46:30,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:46:30,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:46:30,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:46:30,901 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:46:30,901 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 15:46:30,901 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:46:30,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:46:30,902 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:46:30,909 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:46:30,909 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:46:30,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-08-27 15:46:30,931 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:46:30,931 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet9=5, ULTIMATE.start_test_~tmp___7~0=5} Honda state: {ULTIMATE.start_test_#t~nondet9=5, ULTIMATE.start_test_~tmp___7~0=5} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:46:30,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-27 15:46:30,948 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:46:30,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:46:30,950 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:46:30,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-08-27 15:46:30,953 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:46:30,953 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:46:30,964 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-27 15:46:30,964 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=4} Honda state: {ULTIMATE.start_test_~op1~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-27 15:46:30,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-08-27 15:46:30,979 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:46:30,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:46:30,980 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:46:30,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-08-27 15:46:30,981 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 15:46:30,981 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:46:31,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-08-27 15:46:31,023 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:46:31,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:46:31,024 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:46:31,031 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 15:46:31,032 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 15:46:31,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-08-27 15:46:31,107 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 15:46:31,111 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-08-27 15:46:31,111 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:46:31,112 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:46:31,112 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:46:31,112 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:46:31,112 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:46:31,112 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:46:31,112 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:46:31,112 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:46:31,112 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product09.cil.c_Iteration3_Loop [2021-08-27 15:46:31,112 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:46:31,112 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:46:31,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:46:31,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:46:31,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:46:31,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:46:31,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:46:31,214 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:46:31,214 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:46:31,215 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:46:31,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:46:31,217 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:46:31,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-08-27 15:46:31,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:46:31,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:46:31,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:46:31,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:46:31,226 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 15:46:31,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:46:31,228 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 15:46:31,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:46:31,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:46:31,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-08-27 15:46:31,249 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:46:31,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:46:31,250 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:46:31,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-08-27 15:46:31,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:46:31,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:46:31,257 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:46:31,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:46:31,257 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 15:46:31,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:46:31,258 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 15:46:31,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:46:31,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:46:31,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-08-27 15:46:31,283 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:46:31,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:46:31,284 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:46:31,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-08-27 15:46:31,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:46:31,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:46:31,293 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:46:31,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:46:31,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:46:31,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:46:31,294 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:46:31,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:46:31,320 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:46:31,326 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 15:46:31,326 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 15:46:31,327 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:46:31,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:46:31,337 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:46:31,341 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:46:31,341 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 15:46:31,341 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:46:31,341 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 5 Supporting invariants [] [2021-08-27 15:46:31,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-08-27 15:46:31,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-08-27 15:46:31,362 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 15:46:31,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:46:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:46:31,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:46:31,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:46:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:46:31,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:46:31,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:46:31,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-08-27 15:46:31,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:46:31,640 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 [2021-08-27 15:46:31,640 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 313 states and 567 transitions. cyclomatic complexity: 258 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:46:31,657 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 313 states and 567 transitions. cyclomatic complexity: 258. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 678 states and 1244 transitions. Complement of second has 4 states. [2021-08-27 15:46:31,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-27 15:46:31,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:46:31,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 156 transitions. [2021-08-27 15:46:31,658 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 156 transitions. Stem has 17 letters. Loop has 7 letters. [2021-08-27 15:46:31,659 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:46:31,659 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 156 transitions. Stem has 24 letters. Loop has 7 letters. [2021-08-27 15:46:31,659 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:46:31,659 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 156 transitions. Stem has 17 letters. Loop has 14 letters. [2021-08-27 15:46:31,659 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:46:31,659 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 678 states and 1244 transitions. [2021-08-27 15:46:31,663 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:46:31,663 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 678 states to 0 states and 0 transitions. [2021-08-27 15:46:31,663 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 15:46:31,663 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 15:46:31,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 15:46:31,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:46:31,663 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:46:31,664 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:46:31,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:46:31,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 15:46:31,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 15:46:31,664 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:46:31,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:46:31,664 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-08-27 15:46:31,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-27 15:46:31,665 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-08-27 15:46:31,665 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:46:31,665 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-08-27 15:46:31,665 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 15:46:31,665 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 15:46:31,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 15:46:31,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:46:31,665 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:46:31,665 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:46:31,665 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:46:31,665 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 15:46:31,665 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 15:46:31,665 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:46:31,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 15:46:31,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 03:46:31 BoogieIcfgContainer [2021-08-27 15:46:31,670 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 15:46:31,671 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 15:46:31,671 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 15:46:31,671 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 15:46:31,671 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:46:28" (3/4) ... [2021-08-27 15:46:31,674 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 15:46:31,674 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 15:46:31,675 INFO L168 Benchmark]: Toolchain (without parser) took 5963.04 ms. Allocated memory was 65.0 MB in the beginning and 197.1 MB in the end (delta: 132.1 MB). Free memory was 43.1 MB in the beginning and 138.7 MB in the end (delta: -95.7 MB). Peak memory consumption was 36.6 MB. Max. memory is 16.1 GB. [2021-08-27 15:46:31,675 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 65.0 MB. Free memory is still 46.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:46:31,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.84 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 42.8 MB in the beginning and 56.2 MB in the end (delta: -13.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2021-08-27 15:46:31,676 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.33 ms. Allocated memory is still 79.7 MB. Free memory was 56.2 MB in the beginning and 47.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-27 15:46:31,677 INFO L168 Benchmark]: Boogie Preprocessor took 105.71 ms. Allocated memory is still 79.7 MB. Free memory was 47.5 MB in the beginning and 40.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-08-27 15:46:31,677 INFO L168 Benchmark]: RCFGBuilder took 1482.67 ms. Allocated memory was 79.7 MB in the beginning and 115.3 MB in the end (delta: 35.7 MB). Free memory was 40.9 MB in the beginning and 81.8 MB in the end (delta: -40.9 MB). Peak memory consumption was 35.6 MB. Max. memory is 16.1 GB. [2021-08-27 15:46:31,678 INFO L168 Benchmark]: BuchiAutomizer took 3559.08 ms. Allocated memory was 115.3 MB in the beginning and 197.1 MB in the end (delta: 81.8 MB). Free memory was 81.8 MB in the beginning and 139.8 MB in the end (delta: -58.0 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2021-08-27 15:46:31,678 INFO L168 Benchmark]: Witness Printer took 3.21 ms. Allocated memory is still 197.1 MB. Free memory was 139.8 MB in the beginning and 138.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 15:46:31,680 INFO L339 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 65.0 MB. Free memory is still 46.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 681.84 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 42.8 MB in the beginning and 56.2 MB in the end (delta: -13.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 125.33 ms. Allocated memory is still 79.7 MB. Free memory was 56.2 MB in the beginning and 47.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 105.71 ms. Allocated memory is still 79.7 MB. Free memory was 47.5 MB in the beginning and 40.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1482.67 ms. Allocated memory was 79.7 MB in the beginning and 115.3 MB in the end (delta: 35.7 MB). Free memory was 40.9 MB in the beginning and 81.8 MB in the end (delta: -40.9 MB). Peak memory consumption was 35.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3559.08 ms. Allocated memory was 115.3 MB in the beginning and 197.1 MB in the end (delta: 81.8 MB). Free memory was 81.8 MB in the beginning and 139.8 MB in the end (delta: -58.0 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. * Witness Printer took 3.21 ms. Allocated memory is still 197.1 MB. Free memory was 139.8 MB in the beginning and 138.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 3 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 * op2 + 1 and consists of 4 locations. One deterministic module has affine ranking function 5 + -2 * splverifierCounter and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 54.2ms AutomataMinimizationTime, 4 MinimizatonAttempts, 582 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 313 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2165 SDtfs, 2001 SDslu, 2540 SDs, 0 SdLazy, 48 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 46.6ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT1 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax100 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-08-27 15:46:31,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...