./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec27_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b 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_spec27_product30.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 77340ea3311b00efe6580b7964ad9e7e4d288fea0ba2d6706c8abdac4c4c4bb5 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 23:35:03,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 23:35:03,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 23:35:03,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 23:35:03,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 23:35:03,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 23:35:03,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 23:35:03,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 23:35:03,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 23:35:03,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 23:35:03,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 23:35:03,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 23:35:03,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 23:35:03,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 23:35:03,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 23:35:03,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 23:35:03,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 23:35:03,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 23:35:03,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 23:35:03,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 23:35:03,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 23:35:03,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 23:35:03,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 23:35:03,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 23:35:03,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 23:35:03,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 23:35:03,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 23:35:03,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 23:35:03,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 23:35:03,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 23:35:03,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 23:35:03,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 23:35:03,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 23:35:03,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 23:35:03,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 23:35:03,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 23:35:03,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 23:35:03,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 23:35:03,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 23:35:03,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 23:35:03,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 23:35:03,347 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-14 23:35:03,361 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 23:35:03,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 23:35:03,362 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 23:35:03,362 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 23:35:03,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 23:35:03,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 23:35:03,363 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 23:35:03,364 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-14 23:35:03,364 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-14 23:35:03,364 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-14 23:35:03,364 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-14 23:35:03,364 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-14 23:35:03,364 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-14 23:35:03,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 23:35:03,365 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 23:35:03,365 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 23:35:03,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 23:35:03,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 23:35:03,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 23:35:03,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-14 23:35:03,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-14 23:35:03,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-14 23:35:03,366 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 23:35:03,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 23:35:03,367 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-14 23:35:03,367 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 23:35:03,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-14 23:35:03,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 23:35:03,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 23:35:03,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 23:35:03,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 23:35:03,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 23:35:03,369 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-14 23:35:03,369 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77340ea3311b00efe6580b7964ad9e7e4d288fea0ba2d6706c8abdac4c4c4bb5 [2021-12-14 23:35:03,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 23:35:03,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 23:35:03,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 23:35:03,570 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 23:35:03,571 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 23:35:03,572 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product30.cil.c [2021-12-14 23:35:03,630 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/284c8c8f1/a971d07ef03a41a49bc409b692551502/FLAG2268952fa [2021-12-14 23:35:04,106 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 23:35:04,106 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product30.cil.c [2021-12-14 23:35:04,126 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/284c8c8f1/a971d07ef03a41a49bc409b692551502/FLAG2268952fa [2021-12-14 23:35:04,139 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/284c8c8f1/a971d07ef03a41a49bc409b692551502 [2021-12-14 23:35:04,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 23:35:04,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 23:35:04,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 23:35:04,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 23:35:04,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 23:35:04,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:35:04" (1/1) ... [2021-12-14 23:35:04,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31907fd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:04, skipping insertion in model container [2021-12-14 23:35:04,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:35:04" (1/1) ... [2021-12-14 23:35:04,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 23:35:04,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 23:35:04,577 WARN L230 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_spec27_product30.cil.c[47628,47641] [2021-12-14 23:35:04,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:35:04,646 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 23:35:04,686 WARN L230 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_spec27_product30.cil.c[47628,47641] [2021-12-14 23:35:04,699 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:35:04,740 INFO L208 MainTranslator]: Completed translation [2021-12-14 23:35:04,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:04 WrapperNode [2021-12-14 23:35:04,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 23:35:04,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 23:35:04,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 23:35:04,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 23:35:04,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:04" (1/1) ... [2021-12-14 23:35:04,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:04" (1/1) ... [2021-12-14 23:35:04,887 INFO L137 Inliner]: procedures = 131, calls = 219, calls flagged for inlining = 130, calls inlined = 161, statements flattened = 2467 [2021-12-14 23:35:04,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 23:35:04,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 23:35:04,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 23:35:04,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 23:35:04,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:04" (1/1) ... [2021-12-14 23:35:04,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:04" (1/1) ... [2021-12-14 23:35:04,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:04" (1/1) ... [2021-12-14 23:35:04,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:04" (1/1) ... [2021-12-14 23:35:04,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:04" (1/1) ... [2021-12-14 23:35:04,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:04" (1/1) ... [2021-12-14 23:35:04,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:04" (1/1) ... [2021-12-14 23:35:04,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 23:35:04,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 23:35:04,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 23:35:04,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 23:35:04,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:04" (1/1) ... [2021-12-14 23:35:04,977 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:04,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:04,992 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) [2021-12-14 23:35:04,997 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 [2021-12-14 23:35:05,019 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-14 23:35:05,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 23:35:05,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 23:35:05,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 23:35:05,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 23:35:05,199 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 23:35:05,200 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 23:35:06,044 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 23:35:06,051 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 23:35:06,051 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 23:35:06,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:35:06 BoogieIcfgContainer [2021-12-14 23:35:06,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 23:35:06,054 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-14 23:35:06,054 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-14 23:35:06,056 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-14 23:35:06,057 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:35:06,057 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.12 11:35:04" (1/3) ... [2021-12-14 23:35:06,057 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21fe1ddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:35:06, skipping insertion in model container [2021-12-14 23:35:06,058 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:35:06,058 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:35:04" (2/3) ... [2021-12-14 23:35:06,058 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21fe1ddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:35:06, skipping insertion in model container [2021-12-14 23:35:06,058 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:35:06,058 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:35:06" (3/3) ... [2021-12-14 23:35:06,059 INFO L388 chiAutomizerObserver]: Analyzing ICFG email_spec27_product30.cil.c [2021-12-14 23:35:06,085 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-14 23:35:06,085 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-14 23:35:06,085 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-14 23:35:06,085 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-14 23:35:06,085 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-14 23:35:06,086 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-14 23:35:06,086 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-14 23:35:06,086 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-14 23:35:06,109 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 570 states, 569 states have (on average 1.6959578207381372) internal successors, (965), 569 states have internal predecessors, (965), 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) [2021-12-14 23:35:06,149 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 222 [2021-12-14 23:35:06,149 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:35:06,149 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:35:06,156 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:35:06,156 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:35:06,156 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-14 23:35:06,157 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 570 states, 569 states have (on average 1.6959578207381372) internal successors, (965), 569 states have internal predecessors, (965), 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) [2021-12-14 23:35:06,164 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 222 [2021-12-14 23:35:06,164 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:35:06,164 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:35:06,166 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:35:06,166 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:35:06,186 INFO L791 eck$LassoCheckResult]: Stem: 550#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(29, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(4, 4);call write~init~int(37, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(10, 4, 2, 1);call write~init~int(0, 4, 3, 1);call #Ultimate.allocInit(16, 5);call #Ultimate.allocInit(10, 6);call #Ultimate.allocInit(16, 7);call #Ultimate.allocInit(20, 8);call #Ultimate.allocInit(22, 9);call #Ultimate.allocInit(10, 10);call #Ultimate.allocInit(12, 11);call #Ultimate.allocInit(10, 12);call #Ultimate.allocInit(18, 13);call #Ultimate.allocInit(16, 14);call #Ultimate.allocInit(21, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(16, 17);call #Ultimate.allocInit(25, 18);call #Ultimate.allocInit(30, 19);call #Ultimate.allocInit(9, 20);call #Ultimate.allocInit(21, 21);call #Ultimate.allocInit(30, 22);call #Ultimate.allocInit(9, 23);call #Ultimate.allocInit(21, 24);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(25, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(25, 30);call #Ultimate.allocInit(44, 31);call #Ultimate.allocInit(44, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(9, 34);call #Ultimate.allocInit(11, 35);call #Ultimate.allocInit(19, 36);call #Ultimate.allocInit(4, 37);call write~init~int(37, 37, 0, 1);call write~init~int(100, 37, 1, 1);call write~init~int(10, 37, 2, 1);call write~init~int(0, 37, 3, 1);call #Ultimate.allocInit(4, 38);call write~init~int(37, 38, 0, 1);call write~init~int(100, 38, 1, 1);call write~init~int(10, 38, 2, 1);call write~init~int(0, 38, 3, 1);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 462#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret97#1, main_~retValue_acc~43#1, main_~tmp~23#1;havoc main_~retValue_acc~43#1;havoc main_~tmp~23#1;assume { :begin_inline_select_helpers } true; 287#L1408true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 415#L1401true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~19#1;havoc valid_product_~retValue_acc~19#1;valid_product_~retValue_acc~19#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~19#1; 548#L1416true main_#t~ret97#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~23#1 := main_#t~ret97#1;havoc main_#t~ret97#1; 141#L2879true assume 0 != main_~tmp~23#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet94#1, setup_#t~nondet95#1, setup_#t~nondet96#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 485#L1112true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 297#L1118-2true assume { :end_inline_setClientId } true; 104#L2756true assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 285#L677true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 40#L683-2true assume { :end_inline_setClientPrivateKey } true; 180#L2767true assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 33, 0;havoc setup_#t~nondet94#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 102#L1112-2true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 375#L1118-5true assume { :end_inline_setClientId } true; 106#L2777true assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 200#L677-2true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 58#L683-5true assume { :end_inline_setClientPrivateKey } true; 270#L2788true assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 34, 0;havoc setup_#t~nondet95#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 277#L1112-4true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 316#L1118-8true assume { :end_inline_setClientId } true; 572#L2798true assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 257#L677-4true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 412#L683-8true assume { :end_inline_setClientPrivateKey } true; 350#L2809true assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset := 35, 0;havoc setup_#t~nondet96#1; 409#L2866true assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 81#L1341-1true [2021-12-14 23:35:06,191 INFO L793 eck$LassoCheckResult]: Loop: 81#L1341-1true assume !false; 505#L1196true assume test_~splverifierCounter~0#1 < 4; 327#L1197true test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 444#L1203true assume !(0 == test_~op1~0#1); 535#L1216true assume 0 == test_~op2~0#1;test_~tmp___8~0#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 191#L1221true assume 0 != test_~tmp___8~0#1;assume { :begin_inline_rjhSetAutoRespond } true;assume { :begin_inline_setClientAutoResponse } true;setClientAutoResponse_#in~handle#1, setClientAutoResponse_#in~value#1 := ~rjh~0, 1;havoc setClientAutoResponse_~handle#1, setClientAutoResponse_~value#1;setClientAutoResponse_~handle#1 := setClientAutoResponse_#in~handle#1;setClientAutoResponse_~value#1 := setClientAutoResponse_#in~value#1; 360#L630true assume 1 == setClientAutoResponse_~handle#1;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value#1; 533#L636-2true assume { :end_inline_setClientAutoResponse } true; 435#L3009true assume { :end_inline_rjhSetAutoRespond } true;test_~op2~0#1 := 1; 81#L1341-1true [2021-12-14 23:35:06,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:35:06,196 INFO L85 PathProgramCache]: Analyzing trace with hash 56074497, now seen corresponding path program 1 times [2021-12-14 23:35:06,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:35:06,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819948036] [2021-12-14 23:35:06,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:35:06,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:35:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:35:06,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:35:06,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:35:06,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819948036] [2021-12-14 23:35:06,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819948036] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:35:06,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:35:06,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:35:06,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586265622] [2021-12-14 23:35:06,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:35:06,462 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:35:06,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:35:06,464 INFO L85 PathProgramCache]: Analyzing trace with hash 853771930, now seen corresponding path program 1 times [2021-12-14 23:35:06,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:35:06,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334552265] [2021-12-14 23:35:06,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:35:06,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:35:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:35:06,482 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:35:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:35:06,519 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:35:06,607 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:35:06,608 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:35:06,608 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:35:06,608 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:35:06,608 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-14 23:35:06,608 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:06,608 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:35:06,609 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:35:06,609 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product30.cil.c_Iteration1_Loop [2021-12-14 23:35:06,609 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:35:06,610 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:35:06,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:06,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:06,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:06,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:06,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:06,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:06,731 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:35:06,732 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-14 23:35:06,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:06,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:06,736 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) [2021-12-14 23:35:06,750 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:06,750 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:06,765 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 [2021-12-14 23:35:06,769 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-14 23:35:06,769 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___8~0#1=7, ULTIMATE.start_test_#t~nondet8#1=7} Honda state: {ULTIMATE.start_test_~tmp___8~0#1=7, ULTIMATE.start_test_#t~nondet8#1=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-14 23:35:06,788 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 [2021-12-14 23:35:06,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:06,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:06,790 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) [2021-12-14 23:35:06,791 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 [2021-12-14 23:35:06,831 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:06,832 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:06,869 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 [2021-12-14 23:35:06,869 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:06,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:06,870 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) [2021-12-14 23:35:06,871 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 [2021-12-14 23:35:06,872 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-14 23:35:06,872 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:06,918 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-14 23:35:06,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-14 23:35:06,934 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:35:06,934 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:35:06,934 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:35:06,935 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:35:06,935 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-14 23:35:06,935 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:06,935 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:35:06,935 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:35:06,935 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product30.cil.c_Iteration1_Loop [2021-12-14 23:35:06,935 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:35:06,935 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:35:06,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:06,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:06,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:06,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:06,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:06,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:07,060 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:35:07,063 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-14 23:35:07,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:07,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:07,066 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) [2021-12-14 23:35:07,067 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 [2021-12-14 23:35:07,068 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 [2021-12-14 23:35:07,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:07,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:07,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:07,076 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-14 23:35:07,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:07,079 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-14 23:35:07,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:07,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:35:07,110 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-14 23:35:07,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:07,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:07,113 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) [2021-12-14 23:35:07,115 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 [2021-12-14 23:35:07,116 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 [2021-12-14 23:35:07,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:07,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:07,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:07,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:35:07,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:07,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:35:07,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:07,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:35:07,154 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 [2021-12-14 23:35:07,155 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:07,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:07,156 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) [2021-12-14 23:35:07,157 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 [2021-12-14 23:35:07,159 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 [2021-12-14 23:35:07,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:07,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:07,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:07,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:35:07,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:07,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:35:07,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:07,181 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-14 23:35:07,184 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-14 23:35:07,184 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-14 23:35:07,185 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:07,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:07,186 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) [2021-12-14 23:35:07,187 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 [2021-12-14 23:35:07,188 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-14 23:35:07,188 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-14 23:35:07,188 INFO L513 LassoAnalysis]: Proved termination. [2021-12-14 23:35:07,188 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0#1) = -2*ULTIMATE.start_test_~op2~0#1 + 1 Supporting invariants [] [2021-12-14 23:35:07,213 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 [2021-12-14 23:35:07,215 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-14 23:35:07,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:35:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:35:07,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-14 23:35:07,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:35:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:35:07,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-14 23:35:07,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:35:07,506 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 [2021-12-14 23:35:07,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:35:07,539 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 [2021-12-14 23:35:07,541 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 570 states, 569 states have (on average 1.6959578207381372) internal successors, (965), 569 states have internal predecessors, (965), 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 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-12-14 23:35:07,684 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 570 states, 569 states have (on average 1.6959578207381372) internal successors, (965), 569 states have internal predecessors, (965), 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 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 2467 states and 4175 transitions. Complement of second has 7 states. [2021-12-14 23:35:07,685 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 [2021-12-14 23:35:07,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-12-14 23:35:07,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2373 transitions. [2021-12-14 23:35:07,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2373 transitions. Stem has 25 letters. Loop has 9 letters. [2021-12-14 23:35:07,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:35:07,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2373 transitions. Stem has 34 letters. Loop has 9 letters. [2021-12-14 23:35:07,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:35:07,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2373 transitions. Stem has 25 letters. Loop has 18 letters. [2021-12-14 23:35:07,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:35:07,693 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2467 states and 4175 transitions. [2021-12-14 23:35:07,709 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 433 [2021-12-14 23:35:07,717 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2467 states to 911 states and 1619 transitions. [2021-12-14 23:35:07,718 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 471 [2021-12-14 23:35:07,719 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 472 [2021-12-14 23:35:07,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 911 states and 1619 transitions. [2021-12-14 23:35:07,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-14 23:35:07,720 INFO L681 BuchiCegarLoop]: Abstraction has 911 states and 1619 transitions. [2021-12-14 23:35:07,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states and 1619 transitions. [2021-12-14 23:35:07,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 478. [2021-12-14 23:35:07,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 478 states have (on average 1.7656903765690377) internal successors, (844), 477 states have internal predecessors, (844), 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) [2021-12-14 23:35:07,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 844 transitions. [2021-12-14 23:35:07,761 INFO L704 BuchiCegarLoop]: Abstraction has 478 states and 844 transitions. [2021-12-14 23:35:07,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:35:07,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 23:35:07,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 23:35:07,765 INFO L87 Difference]: Start difference. First operand 478 states and 844 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-12-14 23:35:07,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:35:07,810 INFO L93 Difference]: Finished difference Result 933 states and 1650 transitions. [2021-12-14 23:35:07,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 23:35:07,811 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 933 states and 1650 transitions. [2021-12-14 23:35:07,815 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 434 [2021-12-14 23:35:07,821 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 933 states to 933 states and 1650 transitions. [2021-12-14 23:35:07,822 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 487 [2021-12-14 23:35:07,823 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 487 [2021-12-14 23:35:07,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 933 states and 1650 transitions. [2021-12-14 23:35:07,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-14 23:35:07,828 INFO L681 BuchiCegarLoop]: Abstraction has 933 states and 1650 transitions. [2021-12-14 23:35:07,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states and 1650 transitions. [2021-12-14 23:35:07,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 477. [2021-12-14 23:35:07,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 477 states have (on average 1.7610062893081762) internal successors, (840), 476 states have internal predecessors, (840), 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) [2021-12-14 23:35:07,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 840 transitions. [2021-12-14 23:35:07,846 INFO L704 BuchiCegarLoop]: Abstraction has 477 states and 840 transitions. [2021-12-14 23:35:07,846 INFO L587 BuchiCegarLoop]: Abstraction has 477 states and 840 transitions. [2021-12-14 23:35:07,846 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-14 23:35:07,846 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 477 states and 840 transitions. [2021-12-14 23:35:07,850 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 217 [2021-12-14 23:35:07,850 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:35:07,850 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:35:07,852 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:35:07,853 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:35:07,853 INFO L791 eck$LassoCheckResult]: Stem: 5050#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(29, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(4, 4);call write~init~int(37, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(10, 4, 2, 1);call write~init~int(0, 4, 3, 1);call #Ultimate.allocInit(16, 5);call #Ultimate.allocInit(10, 6);call #Ultimate.allocInit(16, 7);call #Ultimate.allocInit(20, 8);call #Ultimate.allocInit(22, 9);call #Ultimate.allocInit(10, 10);call #Ultimate.allocInit(12, 11);call #Ultimate.allocInit(10, 12);call #Ultimate.allocInit(18, 13);call #Ultimate.allocInit(16, 14);call #Ultimate.allocInit(21, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(16, 17);call #Ultimate.allocInit(25, 18);call #Ultimate.allocInit(30, 19);call #Ultimate.allocInit(9, 20);call #Ultimate.allocInit(21, 21);call #Ultimate.allocInit(30, 22);call #Ultimate.allocInit(9, 23);call #Ultimate.allocInit(21, 24);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(25, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(25, 30);call #Ultimate.allocInit(44, 31);call #Ultimate.allocInit(44, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(9, 34);call #Ultimate.allocInit(11, 35);call #Ultimate.allocInit(19, 36);call #Ultimate.allocInit(4, 37);call write~init~int(37, 37, 0, 1);call write~init~int(100, 37, 1, 1);call write~init~int(10, 37, 2, 1);call write~init~int(0, 37, 3, 1);call #Ultimate.allocInit(4, 38);call write~init~int(37, 38, 0, 1);call write~init~int(100, 38, 1, 1);call write~init~int(10, 38, 2, 1);call write~init~int(0, 38, 3, 1);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 4996#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret97#1, main_~retValue_acc~43#1, main_~tmp~23#1;havoc main_~retValue_acc~43#1;havoc main_~tmp~23#1;assume { :begin_inline_select_helpers } true; 4611#L1408 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 4612#L1401 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~19#1;havoc valid_product_~retValue_acc~19#1;valid_product_~retValue_acc~19#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~19#1; 4926#L1416 main_#t~ret97#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~23#1 := main_#t~ret97#1;havoc main_#t~ret97#1; 4931#L2879 assume 0 != main_~tmp~23#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet94#1, setup_#t~nondet95#1, setup_#t~nondet96#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 4932#L1112 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 4647#L1118-2 assume { :end_inline_setClientId } true; 4648#L2756 assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 4608#L677 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 4609#L683-2 assume { :end_inline_setClientPrivateKey } true; 4712#L2767 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 33, 0;havoc setup_#t~nondet94#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 4849#L1112-2 assume !(1 == setClientId_~handle#1); 4664#L1115-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 4665#L1118-5 assume { :end_inline_setClientId } true; 4852#L2777 assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 4853#L677-2 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 4752#L683-5 assume { :end_inline_setClientPrivateKey } true; 4753#L2788 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 34, 0;havoc setup_#t~nondet95#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 4599#L1112-4 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 4601#L1118-8 assume { :end_inline_setClientId } true; 4717#L2798 assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 5051#L677-4 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 4895#L683-8 assume { :end_inline_setClientPrivateKey } true; 4792#L2809 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset := 35, 0;havoc setup_#t~nondet96#1; 4793#L2866 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 4914#L1341-1 assume !false; 4804#L1196 [2021-12-14 23:35:07,853 INFO L793 eck$LassoCheckResult]: Loop: 4804#L1196 assume test_~splverifierCounter~0#1 < 4; 4740#L1197 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 4741#L1203 assume !(0 == test_~op1~0#1); 4961#L1216 assume !(0 == test_~op2~0#1); 4941#L1230 assume !(0 == test_~op3~0#1); 4942#L1244 assume !(0 == test_~op4~0#1); 4965#L1258 assume !(0 == test_~op5~0#1); 4724#L1272 assume 0 == test_~op6~0#1;test_~tmp___4~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 4643#L1277 assume 0 != test_~tmp___4~0#1;test_~op6~0#1 := 1; 4618#L1341-1 assume !false; 4804#L1196 [2021-12-14 23:35:07,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:35:07,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1808936504, now seen corresponding path program 1 times [2021-12-14 23:35:07,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:35:07,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614534069] [2021-12-14 23:35:07,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:35:07,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:35:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:35:07,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:35:07,933 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:35:07,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614534069] [2021-12-14 23:35:07,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614534069] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:35:07,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:35:07,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 23:35:07,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632359241] [2021-12-14 23:35:07,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:35:07,936 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:35:07,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:35:07,936 INFO L85 PathProgramCache]: Analyzing trace with hash 892950433, now seen corresponding path program 1 times [2021-12-14 23:35:07,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:35:07,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224494714] [2021-12-14 23:35:07,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:35:07,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:35:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:35:07,941 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:35:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:35:07,947 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:35:07,992 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:35:07,992 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:35:07,992 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:35:07,992 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:35:07,993 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-14 23:35:07,993 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:07,993 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:35:07,993 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:35:07,993 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product30.cil.c_Iteration2_Loop [2021-12-14 23:35:07,993 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:35:07,993 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:35:07,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:07,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:07,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:08,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:08,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:08,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:08,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:08,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:08,079 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:35:08,079 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-14 23:35:08,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:08,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:08,080 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) [2021-12-14 23:35:08,086 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:08,086 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:08,097 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 [2021-12-14 23:35:08,104 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-14 23:35:08,111 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op3~0#1=-1} Honda state: {ULTIMATE.start_test_~op3~0#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-14 23:35:08,128 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 [2021-12-14 23:35:08,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:08,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:08,130 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) [2021-12-14 23:35:08,134 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 [2021-12-14 23:35:08,134 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:08,137 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:08,159 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-14 23:35:08,159 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op2~0#1=4} Honda state: {ULTIMATE.start_test_~op2~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-14 23:35:08,187 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 [2021-12-14 23:35:08,188 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:08,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:08,189 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) [2021-12-14 23:35:08,193 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:08,193 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:08,202 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 [2021-12-14 23:35:08,226 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 [2021-12-14 23:35:08,226 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:08,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:08,228 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) [2021-12-14 23:35:08,228 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 [2021-12-14 23:35:08,229 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-14 23:35:08,229 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:08,244 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-14 23:35:08,263 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 [2021-12-14 23:35:08,264 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:35:08,264 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:35:08,264 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:35:08,264 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:35:08,264 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-14 23:35:08,264 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:08,264 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:35:08,264 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:35:08,264 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product30.cil.c_Iteration2_Loop [2021-12-14 23:35:08,264 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:35:08,264 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:35:08,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:08,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:08,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:08,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:08,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:08,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:08,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:08,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:08,364 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:35:08,365 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-14 23:35:08,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:08,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:08,384 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) [2021-12-14 23:35:08,398 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 [2021-12-14 23:35:08,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:08,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:08,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:08,404 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-14 23:35:08,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:08,406 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-14 23:35:08,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:08,407 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 [2021-12-14 23:35:08,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:35:08,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-14 23:35:08,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:08,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:08,456 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) [2021-12-14 23:35:08,460 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 [2021-12-14 23:35:08,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:08,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:08,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:08,466 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-14 23:35:08,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:08,469 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-14 23:35:08,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:08,472 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 [2021-12-14 23:35:08,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:35:08,497 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 [2021-12-14 23:35:08,498 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:08,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:08,499 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) [2021-12-14 23:35:08,506 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 [2021-12-14 23:35:08,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:08,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:08,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:08,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:35:08,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:08,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:35:08,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:08,518 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 [2021-12-14 23:35:08,526 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-14 23:35:08,529 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-14 23:35:08,529 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-14 23:35:08,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:08,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:08,531 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) [2021-12-14 23:35:08,532 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 [2021-12-14 23:35:08,533 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-14 23:35:08,534 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-14 23:35:08,534 INFO L513 LassoAnalysis]: Proved termination. [2021-12-14 23:35:08,534 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op6~0#1) = -2*ULTIMATE.start_test_~op6~0#1 + 1 Supporting invariants [] [2021-12-14 23:35:08,552 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 [2021-12-14 23:35:08,553 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-14 23:35:08,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:35:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:35:08,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-14 23:35:08,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:35:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:35:08,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-14 23:35:08,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:35:08,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:35:08,716 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 [2021-12-14 23:35:08,716 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 477 states and 840 transitions. cyclomatic complexity: 365 Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-12-14 23:35:08,771 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 477 states and 840 transitions. cyclomatic complexity: 365. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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 1801 states and 3203 transitions. Complement of second has 6 states. [2021-12-14 23:35:08,772 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 [2021-12-14 23:35:08,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-12-14 23:35:08,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 846 transitions. [2021-12-14 23:35:08,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 846 transitions. Stem has 27 letters. Loop has 10 letters. [2021-12-14 23:35:08,774 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:35:08,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 846 transitions. Stem has 37 letters. Loop has 10 letters. [2021-12-14 23:35:08,774 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:35:08,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 846 transitions. Stem has 27 letters. Loop has 20 letters. [2021-12-14 23:35:08,775 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:35:08,775 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1801 states and 3203 transitions. [2021-12-14 23:35:08,783 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 433 [2021-12-14 23:35:08,790 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1801 states to 1801 states and 3203 transitions. [2021-12-14 23:35:08,791 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 473 [2021-12-14 23:35:08,791 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 475 [2021-12-14 23:35:08,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1801 states and 3203 transitions. [2021-12-14 23:35:08,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-14 23:35:08,792 INFO L681 BuchiCegarLoop]: Abstraction has 1801 states and 3203 transitions. [2021-12-14 23:35:08,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1801 states and 3203 transitions. [2021-12-14 23:35:08,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1801 to 922. [2021-12-14 23:35:08,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 922 states, 922 states have (on average 1.772234273318872) internal successors, (1634), 921 states have internal predecessors, (1634), 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) [2021-12-14 23:35:08,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 922 states and 1634 transitions. [2021-12-14 23:35:08,807 INFO L704 BuchiCegarLoop]: Abstraction has 922 states and 1634 transitions. [2021-12-14 23:35:08,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:35:08,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 23:35:08,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 23:35:08,808 INFO L87 Difference]: Start difference. First operand 922 states and 1634 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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) [2021-12-14 23:35:08,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:35:08,885 INFO L93 Difference]: Finished difference Result 1781 states and 3153 transitions. [2021-12-14 23:35:08,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 23:35:08,886 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1781 states and 3153 transitions. [2021-12-14 23:35:08,918 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 425 [2021-12-14 23:35:08,931 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 [2021-12-14 23:35:08,938 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1781 states to 1781 states and 3153 transitions. [2021-12-14 23:35:08,938 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 476 [2021-12-14 23:35:08,939 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 476 [2021-12-14 23:35:08,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1781 states and 3153 transitions. [2021-12-14 23:35:08,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-14 23:35:08,939 INFO L681 BuchiCegarLoop]: Abstraction has 1781 states and 3153 transitions. [2021-12-14 23:35:08,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1781 states and 3153 transitions. [2021-12-14 23:35:08,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1781 to 922. [2021-12-14 23:35:08,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 922 states, 922 states have (on average 1.7711496746203905) internal successors, (1633), 921 states have internal predecessors, (1633), 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) [2021-12-14 23:35:08,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 922 states and 1633 transitions. [2021-12-14 23:35:08,953 INFO L704 BuchiCegarLoop]: Abstraction has 922 states and 1633 transitions. [2021-12-14 23:35:08,953 INFO L587 BuchiCegarLoop]: Abstraction has 922 states and 1633 transitions. [2021-12-14 23:35:08,953 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-14 23:35:08,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 922 states and 1633 transitions. [2021-12-14 23:35:08,956 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 217 [2021-12-14 23:35:08,957 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:35:08,957 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:35:08,957 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:35:08,958 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:35:08,958 INFO L791 eck$LassoCheckResult]: Stem: 10184#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(29, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(4, 4);call write~init~int(37, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(10, 4, 2, 1);call write~init~int(0, 4, 3, 1);call #Ultimate.allocInit(16, 5);call #Ultimate.allocInit(10, 6);call #Ultimate.allocInit(16, 7);call #Ultimate.allocInit(20, 8);call #Ultimate.allocInit(22, 9);call #Ultimate.allocInit(10, 10);call #Ultimate.allocInit(12, 11);call #Ultimate.allocInit(10, 12);call #Ultimate.allocInit(18, 13);call #Ultimate.allocInit(16, 14);call #Ultimate.allocInit(21, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(16, 17);call #Ultimate.allocInit(25, 18);call #Ultimate.allocInit(30, 19);call #Ultimate.allocInit(9, 20);call #Ultimate.allocInit(21, 21);call #Ultimate.allocInit(30, 22);call #Ultimate.allocInit(9, 23);call #Ultimate.allocInit(21, 24);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(25, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(25, 30);call #Ultimate.allocInit(44, 31);call #Ultimate.allocInit(44, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(9, 34);call #Ultimate.allocInit(11, 35);call #Ultimate.allocInit(19, 36);call #Ultimate.allocInit(4, 37);call write~init~int(37, 37, 0, 1);call write~init~int(100, 37, 1, 1);call write~init~int(10, 37, 2, 1);call write~init~int(0, 37, 3, 1);call #Ultimate.allocInit(4, 38);call write~init~int(37, 38, 0, 1);call write~init~int(100, 38, 1, 1);call write~init~int(10, 38, 2, 1);call write~init~int(0, 38, 3, 1);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 10123#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret97#1, main_~retValue_acc~43#1, main_~tmp~23#1;havoc main_~retValue_acc~43#1;havoc main_~tmp~23#1;assume { :begin_inline_select_helpers } true; 9735#L1408 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 9736#L1401 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~19#1;havoc valid_product_~retValue_acc~19#1;valid_product_~retValue_acc~19#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~19#1; 10052#L1416 main_#t~ret97#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~23#1 := main_#t~ret97#1;havoc main_#t~ret97#1; 10061#L2879 assume 0 != main_~tmp~23#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet94#1, setup_#t~nondet95#1, setup_#t~nondet96#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 10062#L1112 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 9771#L1118-2 assume { :end_inline_setClientId } true; 9772#L2756 assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 9732#L677 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 9733#L683-2 assume { :end_inline_setClientPrivateKey } true; 9836#L2767 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 33, 0;havoc setup_#t~nondet94#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 9974#L1112-2 assume !(1 == setClientId_~handle#1); 9788#L1115-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 9789#L1118-5 assume { :end_inline_setClientId } true; 9983#L2777 assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 9984#L677-2 assume !(1 == setClientPrivateKey_~handle#1); 10149#L680-2 assume 2 == setClientPrivateKey_~handle#1;~__ste_client_privateKey1~0 := setClientPrivateKey_~value#1; 9876#L683-5 assume { :end_inline_setClientPrivateKey } true; 9877#L2788 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 34, 0;havoc setup_#t~nondet95#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 9723#L1112-4 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 9725#L1118-8 assume { :end_inline_setClientId } true; 9841#L2798 assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 10185#L677-4 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 10021#L683-8 assume { :end_inline_setClientPrivateKey } true; 9917#L2809 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset := 35, 0;havoc setup_#t~nondet96#1; 9918#L2866 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 10040#L1341-1 assume !false; 10214#L1196 assume test_~splverifierCounter~0#1 < 4; 9864#L1197 [2021-12-14 23:35:08,958 INFO L793 eck$LassoCheckResult]: Loop: 9864#L1197 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 9865#L1203 assume !(0 == test_~op1~0#1); 10087#L1216 assume !(0 == test_~op2~0#1); 10067#L1230 assume 0 == test_~op3~0#1;test_~tmp___7~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 10069#L1235 assume 0 != test_~tmp___7~0#1;assume { :begin_inline_rjhDeletePrivateKey } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := ~rjh~0, 0;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 9964#L677-6 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 9965#L683-11 assume { :end_inline_setClientPrivateKey } true; 9985#L2979 assume { :end_inline_rjhDeletePrivateKey } true;test_~op3~0#1 := 1; 9742#L1341-1 assume !false; 9929#L1196 assume test_~splverifierCounter~0#1 < 4; 9864#L1197 [2021-12-14 23:35:08,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:35:08,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1857881969, now seen corresponding path program 1 times [2021-12-14 23:35:08,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:35:08,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061040158] [2021-12-14 23:35:08,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:35:08,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:35:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:35:08,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:35:08,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:35:08,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061040158] [2021-12-14 23:35:08,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061040158] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:35:08,987 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:35:08,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:35:08,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342435195] [2021-12-14 23:35:08,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:35:08,987 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:35:08,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:35:08,988 INFO L85 PathProgramCache]: Analyzing trace with hash 845481, now seen corresponding path program 1 times [2021-12-14 23:35:08,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:35:08,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383941278] [2021-12-14 23:35:08,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:35:08,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:35:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:35:08,992 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:35:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:35:08,999 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:35:09,057 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:35:09,058 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:35:09,058 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:35:09,058 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:35:09,058 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-14 23:35:09,058 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:09,058 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:35:09,058 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:35:09,058 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product30.cil.c_Iteration3_Loop [2021-12-14 23:35:09,058 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:35:09,059 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:35:09,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:09,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:09,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:09,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:09,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:09,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:09,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:09,153 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:35:09,153 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-14 23:35:09,153 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:09,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:09,154 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) [2021-12-14 23:35:09,166 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:09,166 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:09,167 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 [2021-12-14 23:35:09,201 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 [2021-12-14 23:35:09,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:09,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:09,202 INFO L229 MonitoredProcess]: Starting monitored process 18 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) [2021-12-14 23:35:09,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-14 23:35:09,205 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-14 23:35:09,205 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:09,219 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-14 23:35:09,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-14 23:35:09,236 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:35:09,236 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:35:09,236 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:35:09,236 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:35:09,237 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-14 23:35:09,237 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:09,237 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:35:09,237 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:35:09,237 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product30.cil.c_Iteration3_Loop [2021-12-14 23:35:09,237 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:35:09,237 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:35:09,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:09,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:09,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:09,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:09,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:09,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:09,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:09,334 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:35:09,334 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-14 23:35:09,335 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:09,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:09,336 INFO L229 MonitoredProcess]: Starting monitored process 19 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) [2021-12-14 23:35:09,340 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 [2021-12-14 23:35:09,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:09,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:09,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:09,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:35:09,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:09,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:35:09,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:09,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-14 23:35:09,356 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-14 23:35:09,358 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-14 23:35:09,358 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-14 23:35:09,358 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:09,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:09,359 INFO L229 MonitoredProcess]: Starting monitored process 20 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) [2021-12-14 23:35:09,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-14 23:35:09,364 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-14 23:35:09,364 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-14 23:35:09,364 INFO L513 LassoAnalysis]: Proved termination. [2021-12-14 23:35:09,364 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op3~0#1) = -2*ULTIMATE.start_test_~op3~0#1 + 1 Supporting invariants [] [2021-12-14 23:35:09,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-14 23:35:09,379 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-14 23:35:09,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:35:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:35:09,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-14 23:35:09,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:35:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:35:09,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-14 23:35:09,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:35:09,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:35:09,575 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 [2021-12-14 23:35:09,575 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 922 states and 1633 transitions. cyclomatic complexity: 715 Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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) [2021-12-14 23:35:09,620 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 922 states and 1633 transitions. cyclomatic complexity: 715. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 3967 states and 7074 transitions. Complement of second has 6 states. [2021-12-14 23:35:09,620 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 [2021-12-14 23:35:09,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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) [2021-12-14 23:35:09,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 838 transitions. [2021-12-14 23:35:09,622 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 838 transitions. Stem has 29 letters. Loop has 10 letters. [2021-12-14 23:35:09,622 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:35:09,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 838 transitions. Stem has 39 letters. Loop has 10 letters. [2021-12-14 23:35:09,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:35:09,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 838 transitions. Stem has 29 letters. Loop has 20 letters. [2021-12-14 23:35:09,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:35:09,623 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3967 states and 7074 transitions. [2021-12-14 23:35:09,674 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2021-12-14 23:35:09,687 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-14 23:35:09,692 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3967 states to 3947 states and 7042 transitions. [2021-12-14 23:35:09,693 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 468 [2021-12-14 23:35:09,693 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 470 [2021-12-14 23:35:09,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3947 states and 7042 transitions. [2021-12-14 23:35:09,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-14 23:35:09,694 INFO L681 BuchiCegarLoop]: Abstraction has 3947 states and 7042 transitions. [2021-12-14 23:35:09,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3947 states and 7042 transitions. [2021-12-14 23:35:09,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3947 to 2013. [2021-12-14 23:35:09,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2013 states, 2013 states have (on average 1.7799304520615995) internal successors, (3583), 2012 states have internal predecessors, (3583), 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) [2021-12-14 23:35:09,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2013 states to 2013 states and 3583 transitions. [2021-12-14 23:35:09,747 INFO L704 BuchiCegarLoop]: Abstraction has 2013 states and 3583 transitions. [2021-12-14 23:35:09,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:35:09,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 23:35:09,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 23:35:09,748 INFO L87 Difference]: Start difference. First operand 2013 states and 3583 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-12-14 23:35:09,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:35:09,768 INFO L93 Difference]: Finished difference Result 2020 states and 3590 transitions. [2021-12-14 23:35:09,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 23:35:09,769 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2020 states and 3590 transitions. [2021-12-14 23:35:09,777 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-12-14 23:35:09,785 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2020 states to 2020 states and 3590 transitions. [2021-12-14 23:35:09,785 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 261 [2021-12-14 23:35:09,785 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 261 [2021-12-14 23:35:09,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2020 states and 3590 transitions. [2021-12-14 23:35:09,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-14 23:35:09,786 INFO L681 BuchiCegarLoop]: Abstraction has 2020 states and 3590 transitions. [2021-12-14 23:35:09,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2020 states and 3590 transitions. [2021-12-14 23:35:09,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2020 to 2013. [2021-12-14 23:35:09,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2013 states, 2013 states have (on average 1.7784401390958768) internal successors, (3580), 2012 states have internal predecessors, (3580), 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) [2021-12-14 23:35:09,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2013 states to 2013 states and 3580 transitions. [2021-12-14 23:35:09,810 INFO L704 BuchiCegarLoop]: Abstraction has 2013 states and 3580 transitions. [2021-12-14 23:35:09,810 INFO L587 BuchiCegarLoop]: Abstraction has 2013 states and 3580 transitions. [2021-12-14 23:35:09,810 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-14 23:35:09,810 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2013 states and 3580 transitions. [2021-12-14 23:35:09,814 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-12-14 23:35:09,814 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:35:09,814 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:35:09,815 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:35:09,815 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:35:09,815 INFO L791 eck$LassoCheckResult]: Stem: 19247#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(29, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(4, 4);call write~init~int(37, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(10, 4, 2, 1);call write~init~int(0, 4, 3, 1);call #Ultimate.allocInit(16, 5);call #Ultimate.allocInit(10, 6);call #Ultimate.allocInit(16, 7);call #Ultimate.allocInit(20, 8);call #Ultimate.allocInit(22, 9);call #Ultimate.allocInit(10, 10);call #Ultimate.allocInit(12, 11);call #Ultimate.allocInit(10, 12);call #Ultimate.allocInit(18, 13);call #Ultimate.allocInit(16, 14);call #Ultimate.allocInit(21, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(16, 17);call #Ultimate.allocInit(25, 18);call #Ultimate.allocInit(30, 19);call #Ultimate.allocInit(9, 20);call #Ultimate.allocInit(21, 21);call #Ultimate.allocInit(30, 22);call #Ultimate.allocInit(9, 23);call #Ultimate.allocInit(21, 24);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(25, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(25, 30);call #Ultimate.allocInit(44, 31);call #Ultimate.allocInit(44, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(9, 34);call #Ultimate.allocInit(11, 35);call #Ultimate.allocInit(19, 36);call #Ultimate.allocInit(4, 37);call write~init~int(37, 37, 0, 1);call write~init~int(100, 37, 1, 1);call write~init~int(10, 37, 2, 1);call write~init~int(0, 37, 3, 1);call #Ultimate.allocInit(4, 38);call write~init~int(37, 38, 0, 1);call write~init~int(100, 38, 1, 1);call write~init~int(10, 38, 2, 1);call write~init~int(0, 38, 3, 1);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 19182#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret97#1, main_~retValue_acc~43#1, main_~tmp~23#1;havoc main_~retValue_acc~43#1;havoc main_~tmp~23#1;assume { :begin_inline_select_helpers } true; 18797#L1408 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 18798#L1401 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~19#1;havoc valid_product_~retValue_acc~19#1;valid_product_~retValue_acc~19#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~19#1; 19112#L1416 main_#t~ret97#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~23#1 := main_#t~ret97#1;havoc main_#t~ret97#1; 19118#L2879 assume 0 != main_~tmp~23#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet94#1, setup_#t~nondet95#1, setup_#t~nondet96#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 19119#L1112 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 18834#L1118-2 assume { :end_inline_setClientId } true; 18835#L2756 assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 18794#L677 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 18795#L683-2 assume { :end_inline_setClientPrivateKey } true; 18899#L2767 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 33, 0;havoc setup_#t~nondet94#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 19036#L1112-2 assume !(1 == setClientId_~handle#1); 18851#L1115-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 18852#L1118-5 assume { :end_inline_setClientId } true; 19038#L2777 assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 19039#L677-2 assume !(1 == setClientPrivateKey_~handle#1); 19211#L680-2 assume 2 == setClientPrivateKey_~handle#1;~__ste_client_privateKey1~0 := setClientPrivateKey_~value#1; 18940#L683-5 assume { :end_inline_setClientPrivateKey } true; 18941#L2788 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 34, 0;havoc setup_#t~nondet95#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 18776#L1112-4 assume !(1 == setClientId_~handle#1); 18777#L1115-4 assume !(2 == setClientId_~handle#1); 19159#L1118-6 assume 3 == setClientId_~handle#1;~__ste_client_idCounter2~0 := setClientId_~value#1; 18904#L1118-8 assume { :end_inline_setClientId } true; 18905#L2798 assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 19248#L677-4 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 19076#L683-8 assume { :end_inline_setClientPrivateKey } true; 18981#L2809 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset := 35, 0;havoc setup_#t~nondet96#1; 18982#L2866 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 19099#L1341-1 assume !false; 19255#L1196 assume test_~splverifierCounter~0#1 < 4; 19256#L1197 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 18923#L1203 [2021-12-14 23:35:09,815 INFO L793 eck$LassoCheckResult]: Loop: 18923#L1203 assume !(0 == test_~op1~0#1); 19148#L1216 assume !(0 == test_~op2~0#1); 19128#L1230 assume !(0 == test_~op3~0#1); 19129#L1244 assume !(0 == test_~op4~0#1); 19152#L1258 assume !(0 == test_~op5~0#1); 18912#L1272 assume !(0 == test_~op6~0#1); 18831#L1283 assume !(0 == test_~op7~0#1); 18942#L1297 assume 0 == test_~op8~0#1;test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 19212#L1302 assume 0 != test_~tmp___2~0#1;test_~op8~0#1 := 1; 18804#L1341-1 assume !false; 18993#L1196 assume test_~splverifierCounter~0#1 < 4; 18922#L1197 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 18923#L1203 [2021-12-14 23:35:09,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:35:09,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1020214626, now seen corresponding path program 1 times [2021-12-14 23:35:09,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:35:09,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422872690] [2021-12-14 23:35:09,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:35:09,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:35:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:35:09,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:35:09,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:35:09,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422872690] [2021-12-14 23:35:09,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422872690] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:35:09,849 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:35:09,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 23:35:09,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17315487] [2021-12-14 23:35:09,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:35:09,850 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:35:09,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:35:09,850 INFO L85 PathProgramCache]: Analyzing trace with hash -668938145, now seen corresponding path program 1 times [2021-12-14 23:35:09,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:35:09,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566812761] [2021-12-14 23:35:09,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:35:09,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:35:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:35:09,854 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:35:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:35:09,859 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:35:09,912 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:35:09,913 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:35:09,913 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:35:09,913 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:35:09,913 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-14 23:35:09,913 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:09,913 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:35:09,913 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:35:09,913 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product30.cil.c_Iteration4_Loop [2021-12-14 23:35:09,913 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:35:09,913 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:35:09,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:09,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:09,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:09,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:09,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:09,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:09,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:09,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:09,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:09,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:10,009 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:35:10,009 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-14 23:35:10,009 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:10,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:10,010 INFO L229 MonitoredProcess]: Starting monitored process 21 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) [2021-12-14 23:35:10,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-14 23:35:10,020 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:10,020 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:10,032 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-14 23:35:10,032 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op4~0#1=4} Honda state: {ULTIMATE.start_test_~op4~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-14 23:35:10,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-14 23:35:10,047 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:10,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:10,048 INFO L229 MonitoredProcess]: Starting monitored process 22 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) [2021-12-14 23:35:10,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-14 23:35:10,050 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:10,050 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:10,061 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-14 23:35:10,061 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op2~0#1=4} Honda state: {ULTIMATE.start_test_~op2~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-14 23:35:10,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-14 23:35:10,076 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:10,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:10,077 INFO L229 MonitoredProcess]: Starting monitored process 23 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) [2021-12-14 23:35:10,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-14 23:35:10,079 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:10,079 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:10,090 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-14 23:35:10,090 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0#1=4} Honda state: {ULTIMATE.start_test_~op1~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-14 23:35:10,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-14 23:35:10,106 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:10,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:10,107 INFO L229 MonitoredProcess]: Starting monitored process 24 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) [2021-12-14 23:35:10,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-14 23:35:10,109 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:10,109 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:10,130 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-14 23:35:10,130 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet14#1=-8, ULTIMATE.start_test_~tmp___2~0#1=-8} Honda state: {ULTIMATE.start_test_#t~nondet14#1=-8, ULTIMATE.start_test_~tmp___2~0#1=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-14 23:35:10,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-14 23:35:10,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:10,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:10,146 INFO L229 MonitoredProcess]: Starting monitored process 25 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) [2021-12-14 23:35:10,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-14 23:35:10,147 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:10,147 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:10,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-14 23:35:10,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:10,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:10,183 INFO L229 MonitoredProcess]: Starting monitored process 26 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) [2021-12-14 23:35:10,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-14 23:35:10,185 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-14 23:35:10,185 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:10,200 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-14 23:35:10,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-14 23:35:10,215 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:35:10,215 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:35:10,215 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:35:10,215 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:35:10,215 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-14 23:35:10,215 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:10,215 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:35:10,215 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:35:10,215 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product30.cil.c_Iteration4_Loop [2021-12-14 23:35:10,215 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:35:10,215 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:35:10,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:10,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:10,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:10,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:10,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:10,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:10,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:10,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:10,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:10,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:10,303 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:35:10,303 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-14 23:35:10,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:10,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:10,304 INFO L229 MonitoredProcess]: Starting monitored process 27 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) [2021-12-14 23:35:10,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-14 23:35:10,306 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 [2021-12-14 23:35:10,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:10,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:10,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:10,312 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-14 23:35:10,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:10,313 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-14 23:35:10,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:10,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:35:10,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-14 23:35:10,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:10,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:10,344 INFO L229 MonitoredProcess]: Starting monitored process 28 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) [2021-12-14 23:35:10,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-14 23:35:10,347 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 [2021-12-14 23:35:10,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:10,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:10,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:10,352 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-14 23:35:10,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:10,353 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-14 23:35:10,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:10,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:35:10,378 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-14 23:35:10,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:10,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:10,380 INFO L229 MonitoredProcess]: Starting monitored process 29 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) [2021-12-14 23:35:10,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-14 23:35:10,382 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 [2021-12-14 23:35:10,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:10,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:10,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:10,388 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-14 23:35:10,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:10,389 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-14 23:35:10,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:10,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:35:10,406 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-14 23:35:10,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:10,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:10,407 INFO L229 MonitoredProcess]: Starting monitored process 30 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) [2021-12-14 23:35:10,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-14 23:35:10,409 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 [2021-12-14 23:35:10,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:10,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:10,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:10,414 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-14 23:35:10,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:10,415 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-14 23:35:10,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:10,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:35:10,439 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-14 23:35:10,439 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:10,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:10,440 INFO L229 MonitoredProcess]: Starting monitored process 31 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) [2021-12-14 23:35:10,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-14 23:35:10,441 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 [2021-12-14 23:35:10,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:10,447 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:10,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:10,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:35:10,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:10,448 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:35:10,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:10,449 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-14 23:35:10,450 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-14 23:35:10,450 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-14 23:35:10,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:10,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:10,451 INFO L229 MonitoredProcess]: Starting monitored process 32 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) [2021-12-14 23:35:10,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-14 23:35:10,457 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-14 23:35:10,457 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-14 23:35:10,457 INFO L513 LassoAnalysis]: Proved termination. [2021-12-14 23:35:10,458 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op8~0#1) = -2*ULTIMATE.start_test_~op8~0#1 + 1 Supporting invariants [] [2021-12-14 23:35:10,472 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-14 23:35:10,474 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-14 23:35:10,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:35:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:35:10,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-14 23:35:10,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:35:10,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-12-14 23:35:10,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:35:10,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-14 23:35:10,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:35:10,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:35:10,741 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 [2021-12-14 23:35:10,742 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2013 states and 3580 transitions. cyclomatic complexity: 1576 Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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) [2021-12-14 23:35:10,802 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2013 states and 3580 transitions. cyclomatic complexity: 1576. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 8792 states and 15692 transitions. Complement of second has 6 states. [2021-12-14 23:35:10,803 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 [2021-12-14 23:35:10,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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) [2021-12-14 23:35:10,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 845 transitions. [2021-12-14 23:35:10,804 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 845 transitions. Stem has 32 letters. Loop has 12 letters. [2021-12-14 23:35:10,804 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:35:10,804 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 845 transitions. Stem has 44 letters. Loop has 12 letters. [2021-12-14 23:35:10,804 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:35:10,804 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 845 transitions. Stem has 32 letters. Loop has 24 letters. [2021-12-14 23:35:10,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:35:10,805 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8792 states and 15692 transitions. [2021-12-14 23:35:10,839 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2021-12-14 23:35:10,875 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8792 states to 8792 states and 15692 transitions. [2021-12-14 23:35:10,875 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 477 [2021-12-14 23:35:10,875 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 480 [2021-12-14 23:35:10,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8792 states and 15692 transitions. [2021-12-14 23:35:10,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-14 23:35:10,875 INFO L681 BuchiCegarLoop]: Abstraction has 8792 states and 15692 transitions. [2021-12-14 23:35:10,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8792 states and 15692 transitions. [2021-12-14 23:35:10,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8792 to 4434. [2021-12-14 23:35:10,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4434 states, 4434 states have (on average 1.7850699142986017) internal successors, (7915), 4433 states have internal predecessors, (7915), 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) [2021-12-14 23:35:10,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4434 states to 4434 states and 7915 transitions. [2021-12-14 23:35:10,948 INFO L704 BuchiCegarLoop]: Abstraction has 4434 states and 7915 transitions. [2021-12-14 23:35:10,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:35:10,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 23:35:10,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 23:35:10,949 INFO L87 Difference]: Start difference. First operand 4434 states and 7915 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2021-12-14 23:35:11,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:35:11,031 INFO L93 Difference]: Finished difference Result 8670 states and 15436 transitions. [2021-12-14 23:35:11,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 23:35:11,032 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8670 states and 15436 transitions. [2021-12-14 23:35:11,111 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 418 [2021-12-14 23:35:11,146 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8670 states to 8670 states and 15436 transitions. [2021-12-14 23:35:11,146 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 478 [2021-12-14 23:35:11,147 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 478 [2021-12-14 23:35:11,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8670 states and 15436 transitions. [2021-12-14 23:35:11,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-14 23:35:11,147 INFO L681 BuchiCegarLoop]: Abstraction has 8670 states and 15436 transitions. [2021-12-14 23:35:11,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8670 states and 15436 transitions. [2021-12-14 23:35:11,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8670 to 4434. [2021-12-14 23:35:11,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4434 states, 4434 states have (on average 1.7848443843031123) internal successors, (7914), 4433 states have internal predecessors, (7914), 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) [2021-12-14 23:35:11,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4434 states to 4434 states and 7914 transitions. [2021-12-14 23:35:11,220 INFO L704 BuchiCegarLoop]: Abstraction has 4434 states and 7914 transitions. [2021-12-14 23:35:11,220 INFO L587 BuchiCegarLoop]: Abstraction has 4434 states and 7914 transitions. [2021-12-14 23:35:11,220 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-14 23:35:11,220 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4434 states and 7914 transitions. [2021-12-14 23:35:11,229 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-12-14 23:35:11,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:35:11,229 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:35:11,231 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:35:11,231 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:35:11,232 INFO L791 eck$LassoCheckResult]: Stem: 43330#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(29, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(4, 4);call write~init~int(37, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(10, 4, 2, 1);call write~init~int(0, 4, 3, 1);call #Ultimate.allocInit(16, 5);call #Ultimate.allocInit(10, 6);call #Ultimate.allocInit(16, 7);call #Ultimate.allocInit(20, 8);call #Ultimate.allocInit(22, 9);call #Ultimate.allocInit(10, 10);call #Ultimate.allocInit(12, 11);call #Ultimate.allocInit(10, 12);call #Ultimate.allocInit(18, 13);call #Ultimate.allocInit(16, 14);call #Ultimate.allocInit(21, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(16, 17);call #Ultimate.allocInit(25, 18);call #Ultimate.allocInit(30, 19);call #Ultimate.allocInit(9, 20);call #Ultimate.allocInit(21, 21);call #Ultimate.allocInit(30, 22);call #Ultimate.allocInit(9, 23);call #Ultimate.allocInit(21, 24);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(25, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(25, 30);call #Ultimate.allocInit(44, 31);call #Ultimate.allocInit(44, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(9, 34);call #Ultimate.allocInit(11, 35);call #Ultimate.allocInit(19, 36);call #Ultimate.allocInit(4, 37);call write~init~int(37, 37, 0, 1);call write~init~int(100, 37, 1, 1);call write~init~int(10, 37, 2, 1);call write~init~int(0, 37, 3, 1);call #Ultimate.allocInit(4, 38);call write~init~int(37, 38, 0, 1);call write~init~int(100, 38, 1, 1);call write~init~int(10, 38, 2, 1);call write~init~int(0, 38, 3, 1);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 43254#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret97#1, main_~retValue_acc~43#1, main_~tmp~23#1;havoc main_~retValue_acc~43#1;havoc main_~tmp~23#1;assume { :begin_inline_select_helpers } true; 42868#L1408 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 42869#L1401 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~19#1;havoc valid_product_~retValue_acc~19#1;valid_product_~retValue_acc~19#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~19#1; 43183#L1416 main_#t~ret97#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~23#1 := main_#t~ret97#1;havoc main_#t~ret97#1; 43189#L2879 assume 0 != main_~tmp~23#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet94#1, setup_#t~nondet95#1, setup_#t~nondet96#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 43190#L1112 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 42904#L1118-2 assume { :end_inline_setClientId } true; 42905#L2756 assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 42865#L677 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 42866#L683-2 assume { :end_inline_setClientPrivateKey } true; 42969#L2767 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 33, 0;havoc setup_#t~nondet94#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 43105#L1112-2 assume !(1 == setClientId_~handle#1); 42921#L1115-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 42922#L1118-5 assume { :end_inline_setClientId } true; 43107#L2777 assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 43108#L677-2 assume !(1 == setClientPrivateKey_~handle#1); 43284#L680-2 assume 2 == setClientPrivateKey_~handle#1;~__ste_client_privateKey1~0 := setClientPrivateKey_~value#1; 43010#L683-5 assume { :end_inline_setClientPrivateKey } true; 43011#L2788 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 34, 0;havoc setup_#t~nondet95#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 42847#L1112-4 assume !(1 == setClientId_~handle#1); 42848#L1115-4 assume !(2 == setClientId_~handle#1); 43229#L1118-6 assume 3 == setClientId_~handle#1;~__ste_client_idCounter2~0 := setClientId_~value#1; 42974#L1118-8 assume { :end_inline_setClientId } true; 42975#L2798 assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 43331#L677-4 assume !(1 == setClientPrivateKey_~handle#1); 43144#L680-4 assume 2 == setClientPrivateKey_~handle#1;~__ste_client_privateKey1~0 := setClientPrivateKey_~value#1; 43145#L683-8 assume { :end_inline_setClientPrivateKey } true; 43050#L2809 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset := 35, 0;havoc setup_#t~nondet96#1; 43051#L2866 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 43170#L1341-1 assume !false; 43410#L1196 assume test_~splverifierCounter~0#1 < 4; 43408#L1197 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 43404#L1203 assume !(0 == test_~op1~0#1); 43219#L1216 [2021-12-14 23:35:11,233 INFO L793 eck$LassoCheckResult]: Loop: 43219#L1216 assume !(0 == test_~op2~0#1); 43199#L1230 assume !(0 == test_~op3~0#1); 43200#L1244 assume !(0 == test_~op4~0#1); 43223#L1258 assume !(0 == test_~op5~0#1); 42982#L1272 assume !(0 == test_~op6~0#1); 42901#L1283 assume 0 == test_~op7~0#1;test_~tmp___3~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 43013#L1288 assume 0 != test_~tmp___3~0#1;assume { :begin_inline_rjhKeyChange } true;assume { :begin_inline_generateKeyPair } true;generateKeyPair_#in~client#1, generateKeyPair_#in~seed#1 := ~rjh~0, 666;havoc generateKeyPair_~client#1, generateKeyPair_~seed#1;generateKeyPair_~client#1 := generateKeyPair_#in~client#1;generateKeyPair_~seed#1 := generateKeyPair_#in~seed#1;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := generateKeyPair_~client#1, generateKeyPair_~seed#1;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 43205#L677-8 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 42944#L683-14 assume { :end_inline_setClientPrivateKey } true; 43048#L1741 assume { :end_inline_generateKeyPair } true; 43304#L2999 assume { :end_inline_rjhKeyChange } true;test_~op7~0#1 := 1; 42875#L1341-1 assume !false; 43062#L1196 assume test_~splverifierCounter~0#1 < 4; 42992#L1197 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 42993#L1203 assume !(0 == test_~op1~0#1); 43219#L1216 [2021-12-14 23:35:11,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:35:11,237 INFO L85 PathProgramCache]: Analyzing trace with hash -235159008, now seen corresponding path program 1 times [2021-12-14 23:35:11,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:35:11,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117860164] [2021-12-14 23:35:11,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:35:11,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:35:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:35:11,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:35:11,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:35:11,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117860164] [2021-12-14 23:35:11,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117860164] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:35:11,280 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:35:11,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 23:35:11,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487748825] [2021-12-14 23:35:11,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:35:11,280 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:35:11,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:35:11,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1509089779, now seen corresponding path program 1 times [2021-12-14 23:35:11,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:35:11,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530705424] [2021-12-14 23:35:11,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:35:11,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:35:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:35:11,289 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:35:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:35:11,297 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:35:11,402 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:35:11,402 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:35:11,402 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:35:11,402 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:35:11,402 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-14 23:35:11,402 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:11,402 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:35:11,402 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:35:11,402 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product30.cil.c_Iteration5_Loop [2021-12-14 23:35:11,402 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:35:11,402 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:35:11,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:11,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:11,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:11,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:11,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:11,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:11,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:11,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:11,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:11,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:11,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:11,580 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:35:11,580 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-14 23:35:11,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:11,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:11,581 INFO L229 MonitoredProcess]: Starting monitored process 33 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) [2021-12-14 23:35:11,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-14 23:35:11,583 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:11,583 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:11,601 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-14 23:35:11,601 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_generateKeyPair_#in~seed#1=666, ULTIMATE.start_setClientPrivateKey_#in~value#1=666, ULTIMATE.start_generateKeyPair_~seed#1=666, ULTIMATE.start_setClientPrivateKey_~value#1=666, ~__ste_client_privateKey0~0=666} Honda state: {ULTIMATE.start_generateKeyPair_#in~seed#1=666, ULTIMATE.start_setClientPrivateKey_#in~value#1=666, ULTIMATE.start_generateKeyPair_~seed#1=666, ULTIMATE.start_setClientPrivateKey_~value#1=666, ~__ste_client_privateKey0~0=666} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-14 23:35:11,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-14 23:35:11,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:11,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:11,617 INFO L229 MonitoredProcess]: Starting monitored process 34 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) [2021-12-14 23:35:11,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-14 23:35:11,633 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:11,633 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:11,647 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-14 23:35:11,647 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0#1=4} Honda state: {ULTIMATE.start_test_~op1~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-14 23:35:11,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-12-14 23:35:11,665 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:11,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:11,666 INFO L229 MonitoredProcess]: Starting monitored process 35 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) [2021-12-14 23:35:11,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-14 23:35:11,668 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:11,668 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:11,689 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-14 23:35:11,689 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op3~0#1=-1} Honda state: {ULTIMATE.start_test_~op3~0#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-14 23:35:11,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-12-14 23:35:11,707 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:11,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:11,708 INFO L229 MonitoredProcess]: Starting monitored process 36 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) [2021-12-14 23:35:11,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-14 23:35:11,710 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:11,710 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:11,720 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-14 23:35:11,721 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op2~0#1=4} Honda state: {ULTIMATE.start_test_~op2~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-14 23:35:11,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-14 23:35:11,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:11,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:11,737 INFO L229 MonitoredProcess]: Starting monitored process 37 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) [2021-12-14 23:35:11,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-14 23:35:11,739 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:11,739 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:11,753 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-14 23:35:11,753 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_generateKeyPair_~client#1=1, ULTIMATE.start_setClientPrivateKey_#in~handle#1=1, ULTIMATE.start_setClientPrivateKey_~handle#1=1, ~rjh~0=1, ULTIMATE.start_generateKeyPair_#in~client#1=1} Honda state: {ULTIMATE.start_generateKeyPair_~client#1=1, ULTIMATE.start_setClientPrivateKey_#in~handle#1=1, ULTIMATE.start_setClientPrivateKey_~handle#1=1, ~rjh~0=1, ULTIMATE.start_generateKeyPair_#in~client#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-14 23:35:11,768 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-14 23:35:11,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:11,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:11,770 INFO L229 MonitoredProcess]: Starting monitored process 38 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) [2021-12-14 23:35:11,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-14 23:35:11,772 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:11,772 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:11,782 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-14 23:35:11,782 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op4~0#1=4} Honda state: {ULTIMATE.start_test_~op4~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-14 23:35:11,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-12-14 23:35:11,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:11,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:11,798 INFO L229 MonitoredProcess]: Starting monitored process 39 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) [2021-12-14 23:35:11,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-14 23:35:11,817 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:11,817 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:11,827 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-14 23:35:11,828 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op5~0#1=4} Honda state: {ULTIMATE.start_test_~op5~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-14 23:35:11,843 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-14 23:35:11,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:11,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:11,844 INFO L229 MonitoredProcess]: Starting monitored process 40 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) [2021-12-14 23:35:11,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-14 23:35:11,846 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:11,846 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:11,857 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-14 23:35:11,857 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op6~0#1=-1} Honda state: {ULTIMATE.start_test_~op6~0#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-14 23:35:11,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-12-14 23:35:11,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:11,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:11,874 INFO L229 MonitoredProcess]: Starting monitored process 41 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) [2021-12-14 23:35:11,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-14 23:35:11,876 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:11,876 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:11,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-12-14 23:35:11,899 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:11,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:11,900 INFO L229 MonitoredProcess]: Starting monitored process 42 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) [2021-12-14 23:35:11,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-14 23:35:11,903 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-14 23:35:11,903 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:11,928 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-14 23:35:11,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-14 23:35:11,931 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:35:11,931 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:35:11,931 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:35:11,931 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:35:11,931 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-14 23:35:11,931 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:11,931 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:35:11,932 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:35:11,932 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product30.cil.c_Iteration5_Loop [2021-12-14 23:35:11,932 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:35:11,932 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:35:11,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:11,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:11,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:11,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:11,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:11,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:11,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:11,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:11,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:11,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:11,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:12,083 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:35:12,083 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-14 23:35:12,083 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:12,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:12,084 INFO L229 MonitoredProcess]: Starting monitored process 43 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) [2021-12-14 23:35:12,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-14 23:35:12,086 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 [2021-12-14 23:35:12,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:12,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:12,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:12,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:35:12,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:12,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:35:12,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:12,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:35:12,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-12-14 23:35:12,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:12,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:12,124 INFO L229 MonitoredProcess]: Starting monitored process 44 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) [2021-12-14 23:35:12,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-14 23:35:12,126 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 [2021-12-14 23:35:12,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:12,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:12,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:12,132 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-14 23:35:12,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:12,132 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-14 23:35:12,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:12,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:35:12,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-12-14 23:35:12,149 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:12,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:12,151 INFO L229 MonitoredProcess]: Starting monitored process 45 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) [2021-12-14 23:35:12,152 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 [2021-12-14 23:35:12,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-14 23:35:12,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:12,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:12,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:12,158 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-14 23:35:12,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:12,158 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-14 23:35:12,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:12,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:35:12,176 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-14 23:35:12,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:12,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:12,177 INFO L229 MonitoredProcess]: Starting monitored process 46 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) [2021-12-14 23:35:12,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-14 23:35:12,179 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 [2021-12-14 23:35:12,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:12,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:12,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:12,185 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-14 23:35:12,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:12,185 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-14 23:35:12,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:12,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:35:12,201 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-14 23:35:12,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:12,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:12,202 INFO L229 MonitoredProcess]: Starting monitored process 47 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) [2021-12-14 23:35:12,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-14 23:35:12,205 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 [2021-12-14 23:35:12,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:12,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:12,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:12,210 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-14 23:35:12,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:12,211 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-14 23:35:12,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:12,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:35:12,227 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-14 23:35:12,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:12,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:12,228 INFO L229 MonitoredProcess]: Starting monitored process 48 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) [2021-12-14 23:35:12,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-14 23:35:12,235 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 [2021-12-14 23:35:12,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:12,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:12,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:12,241 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-14 23:35:12,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:12,241 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-14 23:35:12,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:12,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:35:12,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-12-14 23:35:12,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:12,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:12,259 INFO L229 MonitoredProcess]: Starting monitored process 49 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) [2021-12-14 23:35:12,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-14 23:35:12,261 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 [2021-12-14 23:35:12,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:12,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:12,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:12,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:35:12,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:12,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:35:12,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:12,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:35:12,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-14 23:35:12,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:12,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:12,286 INFO L229 MonitoredProcess]: Starting monitored process 50 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) [2021-12-14 23:35:12,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-14 23:35:12,288 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 [2021-12-14 23:35:12,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:12,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:12,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:12,294 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-14 23:35:12,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:12,303 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-14 23:35:12,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:12,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:35:12,330 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-14 23:35:12,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:12,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:12,332 INFO L229 MonitoredProcess]: Starting monitored process 51 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) [2021-12-14 23:35:12,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-14 23:35:12,333 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 [2021-12-14 23:35:12,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:12,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:12,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:12,339 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-14 23:35:12,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:12,340 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-14 23:35:12,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:12,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:35:12,355 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-14 23:35:12,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:12,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:12,357 INFO L229 MonitoredProcess]: Starting monitored process 52 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) [2021-12-14 23:35:12,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-14 23:35:12,359 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 [2021-12-14 23:35:12,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:12,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:12,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:12,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:35:12,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:12,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:35:12,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:12,366 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-14 23:35:12,369 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-14 23:35:12,369 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-14 23:35:12,369 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:12,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:12,370 INFO L229 MonitoredProcess]: Starting monitored process 53 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) [2021-12-14 23:35:12,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-14 23:35:12,372 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-14 23:35:12,372 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-14 23:35:12,372 INFO L513 LassoAnalysis]: Proved termination. [2021-12-14 23:35:12,372 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0#1) = -2*ULTIMATE.start_test_~splverifierCounter~0#1 + 7 Supporting invariants [] [2021-12-14 23:35:12,387 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-12-14 23:35:12,387 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-14 23:35:12,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:35:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:35:12,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-14 23:35:12,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:35:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:35:12,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-14 23:35:12,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:35:12,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:35:12,626 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 [2021-12-14 23:35:12,626 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4434 states and 7914 transitions. cyclomatic complexity: 3500 Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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) [2021-12-14 23:35:12,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-14 23:35:12,741 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4434 states and 7914 transitions. cyclomatic complexity: 3500. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 14734 states and 26373 transitions. Complement of second has 6 states. [2021-12-14 23:35:12,741 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 [2021-12-14 23:35:12,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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) [2021-12-14 23:35:12,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 842 transitions. [2021-12-14 23:35:12,742 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 842 transitions. Stem has 34 letters. Loop has 15 letters. [2021-12-14 23:35:12,743 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:35:12,743 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 842 transitions. Stem has 49 letters. Loop has 15 letters. [2021-12-14 23:35:12,743 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:35:12,743 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 842 transitions. Stem has 34 letters. Loop has 30 letters. [2021-12-14 23:35:12,743 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:35:12,743 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14734 states and 26373 transitions. [2021-12-14 23:35:12,798 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-12-14 23:35:12,810 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14734 states to 4434 states and 7878 transitions. [2021-12-14 23:35:12,810 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 259 [2021-12-14 23:35:12,810 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 259 [2021-12-14 23:35:12,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4434 states and 7878 transitions. [2021-12-14 23:35:12,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-14 23:35:12,811 INFO L681 BuchiCegarLoop]: Abstraction has 4434 states and 7878 transitions. [2021-12-14 23:35:12,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4434 states and 7878 transitions. [2021-12-14 23:35:12,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4434 to 4434. [2021-12-14 23:35:12,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4434 states, 4434 states have (on average 1.7767253044654938) internal successors, (7878), 4433 states have internal predecessors, (7878), 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) [2021-12-14 23:35:12,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4434 states to 4434 states and 7878 transitions. [2021-12-14 23:35:12,872 INFO L704 BuchiCegarLoop]: Abstraction has 4434 states and 7878 transitions. [2021-12-14 23:35:12,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:35:12,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 23:35:12,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 23:35:12,873 INFO L87 Difference]: Start difference. First operand 4434 states and 7878 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2021-12-14 23:35:12,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:35:12,958 INFO L93 Difference]: Finished difference Result 8677 states and 15386 transitions. [2021-12-14 23:35:12,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 23:35:12,959 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8677 states and 15386 transitions. [2021-12-14 23:35:12,987 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 418 [2021-12-14 23:35:13,014 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8677 states to 8677 states and 15386 transitions. [2021-12-14 23:35:13,014 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 485 [2021-12-14 23:35:13,015 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 485 [2021-12-14 23:35:13,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8677 states and 15386 transitions. [2021-12-14 23:35:13,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-14 23:35:13,015 INFO L681 BuchiCegarLoop]: Abstraction has 8677 states and 15386 transitions. [2021-12-14 23:35:13,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8677 states and 15386 transitions. [2021-12-14 23:35:13,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8677 to 4434. [2021-12-14 23:35:13,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4434 states, 4434 states have (on average 1.7764997744700044) internal successors, (7877), 4433 states have internal predecessors, (7877), 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) [2021-12-14 23:35:13,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4434 states to 4434 states and 7877 transitions. [2021-12-14 23:35:13,086 INFO L704 BuchiCegarLoop]: Abstraction has 4434 states and 7877 transitions. [2021-12-14 23:35:13,086 INFO L587 BuchiCegarLoop]: Abstraction has 4434 states and 7877 transitions. [2021-12-14 23:35:13,086 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-14 23:35:13,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4434 states and 7877 transitions. [2021-12-14 23:35:13,094 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-12-14 23:35:13,094 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:35:13,094 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:35:13,096 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:35:13,096 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:35:13,096 INFO L791 eck$LassoCheckResult]: Stem: 75777#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(29, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(4, 4);call write~init~int(37, 4, 0, 1);call write~init~int(115, 4, 1, 1);call write~init~int(10, 4, 2, 1);call write~init~int(0, 4, 3, 1);call #Ultimate.allocInit(16, 5);call #Ultimate.allocInit(10, 6);call #Ultimate.allocInit(16, 7);call #Ultimate.allocInit(20, 8);call #Ultimate.allocInit(22, 9);call #Ultimate.allocInit(10, 10);call #Ultimate.allocInit(12, 11);call #Ultimate.allocInit(10, 12);call #Ultimate.allocInit(18, 13);call #Ultimate.allocInit(16, 14);call #Ultimate.allocInit(21, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(16, 17);call #Ultimate.allocInit(25, 18);call #Ultimate.allocInit(30, 19);call #Ultimate.allocInit(9, 20);call #Ultimate.allocInit(21, 21);call #Ultimate.allocInit(30, 22);call #Ultimate.allocInit(9, 23);call #Ultimate.allocInit(21, 24);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(25, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(25, 30);call #Ultimate.allocInit(44, 31);call #Ultimate.allocInit(44, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(9, 34);call #Ultimate.allocInit(11, 35);call #Ultimate.allocInit(19, 36);call #Ultimate.allocInit(4, 37);call write~init~int(37, 37, 0, 1);call write~init~int(100, 37, 1, 1);call write~init~int(10, 37, 2, 1);call write~init~int(0, 37, 3, 1);call #Ultimate.allocInit(4, 38);call write~init~int(37, 38, 0, 1);call write~init~int(100, 38, 1, 1);call write~init~int(10, 38, 2, 1);call write~init~int(0, 38, 3, 1);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 75709#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret97#1, main_~retValue_acc~43#1, main_~tmp~23#1;havoc main_~retValue_acc~43#1;havoc main_~tmp~23#1;assume { :begin_inline_select_helpers } true; 75323#L1408 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 75324#L1401 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~19#1;havoc valid_product_~retValue_acc~19#1;valid_product_~retValue_acc~19#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~19#1; 75640#L1416 main_#t~ret97#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~23#1 := main_#t~ret97#1;havoc main_#t~ret97#1; 75645#L2879 assume 0 != main_~tmp~23#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet94#1, setup_#t~nondet95#1, setup_#t~nondet96#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 75646#L1112 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 75360#L1118-2 assume { :end_inline_setClientId } true; 75361#L2756 assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 75320#L677 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 75321#L683-2 assume { :end_inline_setClientPrivateKey } true; 75425#L2767 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 33, 0;havoc setup_#t~nondet94#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 75563#L1112-2 assume !(1 == setClientId_~handle#1); 75377#L1115-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 75378#L1118-5 assume { :end_inline_setClientId } true; 75565#L2777 assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 75566#L677-2 assume !(1 == setClientPrivateKey_~handle#1); 75734#L680-2 assume 2 == setClientPrivateKey_~handle#1;~__ste_client_privateKey1~0 := setClientPrivateKey_~value#1; 75468#L683-5 assume { :end_inline_setClientPrivateKey } true; 75469#L2788 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 34, 0;havoc setup_#t~nondet95#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 75302#L1112-4 assume !(1 == setClientId_~handle#1); 75303#L1115-4 assume !(2 == setClientId_~handle#1); 75683#L1118-6 assume 3 == setClientId_~handle#1;~__ste_client_idCounter2~0 := setClientId_~value#1; 75430#L1118-8 assume { :end_inline_setClientId } true; 75431#L2798 assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 75778#L677-4 assume !(1 == setClientPrivateKey_~handle#1); 75603#L680-4 assume !(2 == setClientPrivateKey_~handle#1); 75604#L683-6 assume !(3 == setClientPrivateKey_~handle#1); 75629#L683-8 assume { :end_inline_setClientPrivateKey } true; 75508#L2809 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~4#1.base, setup_~__cil_tmp3~4#1.offset := 35, 0;havoc setup_#t~nondet96#1; 75509#L2866 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 75626#L1341-1 assume !false; 75855#L1196 assume test_~splverifierCounter~0#1 < 4; 75853#L1197 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 75851#L1203 assume 0 == test_~op1~0#1;test_~tmp___9~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 75675#L1207 [2021-12-14 23:35:13,096 INFO L793 eck$LassoCheckResult]: Loop: 75675#L1207 assume !(0 != test_~tmp___9~0#1); 75694#L1216 assume !(0 == test_~op2~0#1); 75655#L1230 assume !(0 == test_~op3~0#1); 75656#L1244 assume !(0 == test_~op4~0#1); 75677#L1258 assume !(0 == test_~op5~0#1); 75438#L1272 assume !(0 == test_~op6~0#1); 75357#L1283 assume 0 == test_~op7~0#1;test_~tmp___3~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 75471#L1288 assume 0 != test_~tmp___3~0#1;assume { :begin_inline_rjhKeyChange } true;assume { :begin_inline_generateKeyPair } true;generateKeyPair_#in~client#1, generateKeyPair_#in~seed#1 := ~rjh~0, 666;havoc generateKeyPair_~client#1, generateKeyPair_~seed#1;generateKeyPair_~client#1 := generateKeyPair_#in~client#1;generateKeyPair_~seed#1 := generateKeyPair_#in~seed#1;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := generateKeyPair_~client#1, generateKeyPair_~seed#1;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 75661#L677-8 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 75400#L683-14 assume { :end_inline_setClientPrivateKey } true; 75506#L1741 assume { :end_inline_generateKeyPair } true; 75757#L2999 assume { :end_inline_rjhKeyChange } true;test_~op7~0#1 := 1; 75330#L1341-1 assume !false; 75520#L1196 assume test_~splverifierCounter~0#1 < 4; 75450#L1197 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 75451#L1203 assume 0 == test_~op1~0#1;test_~tmp___9~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 75675#L1207 [2021-12-14 23:35:13,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:35:13,097 INFO L85 PathProgramCache]: Analyzing trace with hash -794107984, now seen corresponding path program 1 times [2021-12-14 23:35:13,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:35:13,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748369910] [2021-12-14 23:35:13,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:35:13,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:35:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:35:13,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:35:13,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:35:13,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748369910] [2021-12-14 23:35:13,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748369910] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:35:13,122 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:35:13,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 23:35:13,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856964136] [2021-12-14 23:35:13,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:35:13,123 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:35:13,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:35:13,123 INFO L85 PathProgramCache]: Analyzing trace with hash -974385687, now seen corresponding path program 1 times [2021-12-14 23:35:13,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:35:13,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981235105] [2021-12-14 23:35:13,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:35:13,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:35:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:35:13,127 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:35:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:35:13,132 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:35:13,279 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:35:13,279 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:35:13,279 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:35:13,279 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:35:13,279 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-14 23:35:13,279 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:13,279 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:35:13,279 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:35:13,279 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product30.cil.c_Iteration6_Loop [2021-12-14 23:35:13,279 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:35:13,279 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:35:13,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:13,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:13,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:13,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:13,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:13,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:13,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:13,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:13,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:13,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:13,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:13,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:13,407 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:35:13,407 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-14 23:35:13,407 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:13,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:13,424 INFO L229 MonitoredProcess]: Starting monitored process 54 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) [2021-12-14 23:35:13,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-14 23:35:13,428 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:13,428 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:13,446 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-14 23:35:13,446 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_generateKeyPair_#in~seed#1=666, ULTIMATE.start_setClientPrivateKey_#in~value#1=666, ULTIMATE.start_generateKeyPair_~seed#1=666, ULTIMATE.start_setClientPrivateKey_~value#1=666, ~__ste_client_privateKey0~0=666} Honda state: {ULTIMATE.start_generateKeyPair_#in~seed#1=666, ULTIMATE.start_setClientPrivateKey_#in~value#1=666, ULTIMATE.start_generateKeyPair_~seed#1=666, ULTIMATE.start_setClientPrivateKey_~value#1=666, ~__ste_client_privateKey0~0=666} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-14 23:35:13,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-12-14 23:35:13,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:13,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:13,464 INFO L229 MonitoredProcess]: Starting monitored process 55 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) [2021-12-14 23:35:13,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-14 23:35:13,466 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:13,466 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:13,488 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-14 23:35:13,488 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_generateKeyPair_~client#1=1, ULTIMATE.start_setClientPrivateKey_#in~handle#1=1, ULTIMATE.start_setClientPrivateKey_~handle#1=1, ~rjh~0=1, ULTIMATE.start_generateKeyPair_#in~client#1=1} Honda state: {ULTIMATE.start_generateKeyPair_~client#1=1, ULTIMATE.start_setClientPrivateKey_#in~handle#1=1, ULTIMATE.start_setClientPrivateKey_~handle#1=1, ~rjh~0=1, ULTIMATE.start_generateKeyPair_#in~client#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-14 23:35:13,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-12-14 23:35:13,504 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:13,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:13,505 INFO L229 MonitoredProcess]: Starting monitored process 56 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) [2021-12-14 23:35:13,508 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:13,508 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:13,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-14 23:35:13,527 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-14 23:35:13,527 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet7#1=0, ULTIMATE.start_test_~tmp___9~0#1=0} Honda state: {ULTIMATE.start_test_#t~nondet7#1=0, ULTIMATE.start_test_~tmp___9~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-14 23:35:13,544 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-12-14 23:35:13,544 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:13,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:13,545 INFO L229 MonitoredProcess]: Starting monitored process 57 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) [2021-12-14 23:35:13,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-14 23:35:13,549 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:13,549 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:13,557 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-14 23:35:13,557 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0#1=0} Honda state: {ULTIMATE.start_test_~op1~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-14 23:35:13,573 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-12-14 23:35:13,573 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:13,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:13,574 INFO L229 MonitoredProcess]: Starting monitored process 58 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) [2021-12-14 23:35:13,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-14 23:35:13,607 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:13,607 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:13,620 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-14 23:35:13,621 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op3~0#1=-1} Honda state: {ULTIMATE.start_test_~op3~0#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-14 23:35:13,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-12-14 23:35:13,636 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:13,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:13,637 INFO L229 MonitoredProcess]: Starting monitored process 59 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) [2021-12-14 23:35:13,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-14 23:35:13,639 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:13,639 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:13,651 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-14 23:35:13,651 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op2~0#1=4} Honda state: {ULTIMATE.start_test_~op2~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-14 23:35:13,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-12-14 23:35:13,666 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:13,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:13,667 INFO L229 MonitoredProcess]: Starting monitored process 60 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) [2021-12-14 23:35:13,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-14 23:35:13,669 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:13,669 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:13,682 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-14 23:35:13,682 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___3~0#1=3, ULTIMATE.start_test_#t~nondet13#1=3} Honda state: {ULTIMATE.start_test_~tmp___3~0#1=3, ULTIMATE.start_test_#t~nondet13#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-14 23:35:13,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-12-14 23:35:13,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:13,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:13,713 INFO L229 MonitoredProcess]: Starting monitored process 61 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) [2021-12-14 23:35:13,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-14 23:35:13,716 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:35:13,716 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:13,738 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-12-14 23:35:13,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:13,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:13,739 INFO L229 MonitoredProcess]: Starting monitored process 62 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) [2021-12-14 23:35:13,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-14 23:35:13,741 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-14 23:35:13,741 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:35:13,766 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-14 23:35:13,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-12-14 23:35:13,769 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:35:13,769 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:35:13,769 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:35:13,769 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:35:13,769 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-14 23:35:13,769 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:13,769 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:35:13,769 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:35:13,769 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product30.cil.c_Iteration6_Loop [2021-12-14 23:35:13,770 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:35:13,770 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:35:13,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:13,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:13,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:13,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:13,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:13,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:13,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:13,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:13,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:13,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:13,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:13,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:35:13,927 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:35:13,927 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-14 23:35:13,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:13,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:13,929 INFO L229 MonitoredProcess]: Starting monitored process 63 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) [2021-12-14 23:35:13,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-12-14 23:35:13,931 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 [2021-12-14 23:35:13,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:13,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:13,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:13,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:35:13,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:13,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:35:13,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:13,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:35:13,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-12-14 23:35:13,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:13,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:13,969 INFO L229 MonitoredProcess]: Starting monitored process 64 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) [2021-12-14 23:35:13,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-12-14 23:35:13,971 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 [2021-12-14 23:35:13,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:13,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:13,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:13,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:35:13,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:13,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:35:13,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:13,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:35:14,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-12-14 23:35:14,008 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:14,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:14,009 INFO L229 MonitoredProcess]: Starting monitored process 65 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) [2021-12-14 23:35:14,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-12-14 23:35:14,043 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 [2021-12-14 23:35:14,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:14,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:14,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:14,049 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-14 23:35:14,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:14,049 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-14 23:35:14,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:14,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:35:14,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-12-14 23:35:14,078 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:14,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:14,079 INFO L229 MonitoredProcess]: Starting monitored process 66 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) [2021-12-14 23:35:14,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-14 23:35:14,081 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 [2021-12-14 23:35:14,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:14,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:14,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:14,087 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-14 23:35:14,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:14,087 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-14 23:35:14,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:14,088 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:35:14,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-12-14 23:35:14,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:14,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:14,104 INFO L229 MonitoredProcess]: Starting monitored process 67 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) [2021-12-14 23:35:14,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-14 23:35:14,106 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 [2021-12-14 23:35:14,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:14,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:14,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:14,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:35:14,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:14,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:35:14,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:14,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:35:14,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-12-14 23:35:14,131 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:14,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:14,132 INFO L229 MonitoredProcess]: Starting monitored process 68 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) [2021-12-14 23:35:14,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-12-14 23:35:14,134 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 [2021-12-14 23:35:14,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:14,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:14,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:14,140 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-14 23:35:14,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:14,141 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-14 23:35:14,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:14,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:35:14,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-12-14 23:35:14,157 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:14,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:14,158 INFO L229 MonitoredProcess]: Starting monitored process 69 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) [2021-12-14 23:35:14,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-12-14 23:35:14,160 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 [2021-12-14 23:35:14,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:35:14,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:35:14,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:35:14,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:35:14,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:35:14,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:35:14,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:35:14,174 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-14 23:35:14,176 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-14 23:35:14,176 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-14 23:35:14,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:35:14,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:35:14,177 INFO L229 MonitoredProcess]: Starting monitored process 70 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) [2021-12-14 23:35:14,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-12-14 23:35:14,178 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-14 23:35:14,178 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-14 23:35:14,178 INFO L513 LassoAnalysis]: Proved termination. [2021-12-14 23:35:14,178 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0#1) = -2*ULTIMATE.start_test_~splverifierCounter~0#1 + 7 Supporting invariants [] [2021-12-14 23:35:14,193 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-12-14 23:35:14,194 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-14 23:35:14,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:35:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:35:14,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-14 23:35:14,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:35:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:35:14,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-14 23:35:14,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:35:14,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:35:14,440 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 [2021-12-14 23:35:14,440 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4434 states and 7877 transitions. cyclomatic complexity: 3463 Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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) [2021-12-14 23:35:14,477 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4434 states and 7877 transitions. cyclomatic complexity: 3463. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 9463 states and 16882 transitions. Complement of second has 6 states. [2021-12-14 23:35:14,478 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 [2021-12-14 23:35:14,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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) [2021-12-14 23:35:14,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 447 transitions. [2021-12-14 23:35:14,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 447 transitions. Stem has 35 letters. Loop has 16 letters. [2021-12-14 23:35:14,479 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:35:14,479 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 447 transitions. Stem has 51 letters. Loop has 16 letters. [2021-12-14 23:35:14,479 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:35:14,479 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 447 transitions. Stem has 35 letters. Loop has 32 letters. [2021-12-14 23:35:14,479 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:35:14,479 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9463 states and 16882 transitions. [2021-12-14 23:35:14,507 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:35:14,508 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9463 states to 0 states and 0 transitions. [2021-12-14 23:35:14,508 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-14 23:35:14,508 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-14 23:35:14,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-14 23:35:14,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:35:14,508 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:35:14,508 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:35:14,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:35:14,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 23:35:14,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 23:35:14,508 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2021-12-14 23:35:14,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:35:14,508 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-12-14 23:35:14,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-14 23:35:14,509 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-12-14 23:35:14,509 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:35:14,509 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-12-14 23:35:14,509 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-14 23:35:14,509 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-14 23:35:14,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-14 23:35:14,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:35:14,509 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:35:14,509 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:35:14,509 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:35:14,509 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-14 23:35:14,509 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-14 23:35:14,509 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:35:14,509 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-14 23:35:14,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.12 11:35:14 BoogieIcfgContainer [2021-12-14 23:35:14,514 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-14 23:35:14,514 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 23:35:14,515 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 23:35:14,515 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 23:35:14,515 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:35:06" (3/4) ... [2021-12-14 23:35:14,517 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-14 23:35:14,517 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 23:35:14,517 INFO L158 Benchmark]: Toolchain (without parser) took 10372.75ms. Allocated memory was 100.7MB in the beginning and 341.8MB in the end (delta: 241.2MB). Free memory was 70.4MB in the beginning and 114.9MB in the end (delta: -44.5MB). Peak memory consumption was 195.3MB. Max. memory is 16.1GB. [2021-12-14 23:35:14,517 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 57.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:35:14,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 594.81ms. Allocated memory was 100.7MB in the beginning and 123.7MB in the end (delta: 23.1MB). Free memory was 70.2MB in the beginning and 95.6MB in the end (delta: -25.3MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2021-12-14 23:35:14,517 INFO L158 Benchmark]: Boogie Procedure Inliner took 146.48ms. Allocated memory is still 123.7MB. Free memory was 95.5MB in the beginning and 88.0MB in the end (delta: 7.4MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2021-12-14 23:35:14,518 INFO L158 Benchmark]: Boogie Preprocessor took 82.88ms. Allocated memory is still 123.7MB. Free memory was 88.0MB in the beginning and 81.2MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-14 23:35:14,518 INFO L158 Benchmark]: RCFGBuilder took 1081.72ms. Allocated memory is still 123.7MB. Free memory was 81.2MB in the beginning and 67.0MB in the end (delta: 14.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2021-12-14 23:35:14,518 INFO L158 Benchmark]: BuchiAutomizer took 8460.47ms. Allocated memory was 123.7MB in the beginning and 341.8MB in the end (delta: 218.1MB). Free memory was 67.0MB in the beginning and 114.9MB in the end (delta: -47.9MB). Peak memory consumption was 168.8MB. Max. memory is 16.1GB. [2021-12-14 23:35:14,518 INFO L158 Benchmark]: Witness Printer took 2.09ms. Allocated memory is still 341.8MB. Free memory is still 114.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:35:14,519 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 57.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 594.81ms. Allocated memory was 100.7MB in the beginning and 123.7MB in the end (delta: 23.1MB). Free memory was 70.2MB in the beginning and 95.6MB in the end (delta: -25.3MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 146.48ms. Allocated memory is still 123.7MB. Free memory was 95.5MB in the beginning and 88.0MB in the end (delta: 7.4MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.88ms. Allocated memory is still 123.7MB. Free memory was 88.0MB in the beginning and 81.2MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1081.72ms. Allocated memory is still 123.7MB. Free memory was 81.2MB in the beginning and 67.0MB in the end (delta: 14.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 8460.47ms. Allocated memory was 123.7MB in the beginning and 341.8MB in the end (delta: 218.1MB). Free memory was 67.0MB in the beginning and 114.9MB in the end (delta: -47.9MB). Peak memory consumption was 168.8MB. Max. memory is 16.1GB. * Witness Printer took 2.09ms. Allocated memory is still 341.8MB. Free memory is still 114.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 12 terminating modules (6 trivial, 6 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * op6 + 1 and consists of 4 locations. One deterministic module has affine ranking function -2 * op3 + 1 and consists of 4 locations. One deterministic module has affine ranking function 1 + -2 * op8 and consists of 4 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 6 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.4s and 7 iterations. TraceHistogramMax:1. Analysis of lassos took 5.0s. Construction of modules took 0.1s. Büchi inclusion checks took 2.0s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 10. Automata minimization 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 17405 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 0.5s Buchi closure took 0.0s. Biggest automaton had 4434 states and ocurred in iteration 4. Nontrivial modules had stage [6, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11310 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11304 mSDsluCounter, 18926 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10311 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 279 IncrementalHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 8615 mSDtfsCounter, 279 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT6 lasso0 LassoPreprocessingBenchmarks: Lassos: inital57 mio100 ax100 hnf100 lsp22 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq198 hnf89 smp100 dnf123 smp100 tf107 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 22 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 6 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-14 23:35:14,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-12-14 23:35:14,754 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE