./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ae007674 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_spec11_product36.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 f422b02f04909f595cd81c18f65f163bde7189dd9d2c25d22c48d8d4d89787b5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 09:36:52,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 09:36:52,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 09:36:52,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 09:36:52,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 09:36:52,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 09:36:52,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 09:36:52,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 09:36:52,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 09:36:52,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 09:36:52,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 09:36:52,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 09:36:52,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 09:36:52,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 09:36:52,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 09:36:52,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 09:36:52,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 09:36:52,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 09:36:52,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 09:36:52,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 09:36:52,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 09:36:52,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 09:36:52,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 09:36:52,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 09:36:52,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 09:36:52,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 09:36:52,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 09:36:52,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 09:36:52,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 09:36:52,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 09:36:52,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 09:36:52,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 09:36:52,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 09:36:52,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 09:36:52,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 09:36:52,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 09:36:52,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 09:36:52,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 09:36:52,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 09:36:52,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 09:36:52,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 09:36:52,728 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-28 09:36:52,764 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 09:36:52,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 09:36:52,766 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 09:36:52,766 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 09:36:52,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 09:36:52,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 09:36:52,768 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 09:36:52,768 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-28 09:36:52,769 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-28 09:36:52,769 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-28 09:36:52,769 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-28 09:36:52,770 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-28 09:36:52,770 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-28 09:36:52,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 09:36:52,770 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 09:36:52,771 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-28 09:36:52,771 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 09:36:52,771 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 09:36:52,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 09:36:52,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-28 09:36:52,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-28 09:36:52,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-28 09:36:52,772 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 09:36:52,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 09:36:52,772 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-28 09:36:52,772 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 09:36:52,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-28 09:36:52,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 09:36:52,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 09:36:52,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 09:36:52,773 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 09:36:52,774 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-28 09:36:52,775 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f422b02f04909f595cd81c18f65f163bde7189dd9d2c25d22c48d8d4d89787b5 [2021-12-28 09:36:53,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 09:36:53,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 09:36:53,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 09:36:53,111 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 09:36:53,111 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 09:36:53,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product36.cil.c [2021-12-28 09:36:53,164 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fc03eb88/c5f3811be5ba45f1927d30080fb1fd31/FLAGbf88ea285 [2021-12-28 09:36:53,697 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 09:36:53,698 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product36.cil.c [2021-12-28 09:36:53,734 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fc03eb88/c5f3811be5ba45f1927d30080fb1fd31/FLAGbf88ea285 [2021-12-28 09:36:54,134 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fc03eb88/c5f3811be5ba45f1927d30080fb1fd31 [2021-12-28 09:36:54,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 09:36:54,137 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 09:36:54,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 09:36:54,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 09:36:54,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 09:36:54,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:36:54" (1/1) ... [2021-12-28 09:36:54,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e9be916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:36:54, skipping insertion in model container [2021-12-28 09:36:54,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:36:54" (1/1) ... [2021-12-28 09:36:54,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 09:36:54,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 09:36:54,519 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_spec11_product36.cil.c[27504,27517] [2021-12-28 09:36:54,601 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:36:54,618 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 09:36:54,683 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_spec11_product36.cil.c[27504,27517] [2021-12-28 09:36:54,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:36:54,779 INFO L208 MainTranslator]: Completed translation [2021-12-28 09:36:54,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:36:54 WrapperNode [2021-12-28 09:36:54,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 09:36:54,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 09:36:54,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 09:36:54,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 09:36:54,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:36:54" (1/1) ... [2021-12-28 09:36:54,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:36:54" (1/1) ... [2021-12-28 09:36:54,892 INFO L137 Inliner]: procedures = 113, calls = 154, calls flagged for inlining = 77, calls inlined = 202, statements flattened = 2725 [2021-12-28 09:36:54,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 09:36:54,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 09:36:54,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 09:36:54,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 09:36:54,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:36:54" (1/1) ... [2021-12-28 09:36:54,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:36:54" (1/1) ... [2021-12-28 09:36:54,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:36:54" (1/1) ... [2021-12-28 09:36:54,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:36:54" (1/1) ... [2021-12-28 09:36:54,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:36:54" (1/1) ... [2021-12-28 09:36:54,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:36:54" (1/1) ... [2021-12-28 09:36:54,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:36:54" (1/1) ... [2021-12-28 09:36:55,000 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 09:36:55,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 09:36:55,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 09:36:55,002 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 09:36:55,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:36:54" (1/1) ... [2021-12-28 09:36:55,009 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:36:55,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:36:55,032 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) [2021-12-28 09:36:55,054 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 [2021-12-28 09:36:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-28 09:36:55,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 09:36:55,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 09:36:55,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 09:36:55,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 09:36:55,248 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 09:36:55,250 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 09:36:56,345 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 09:36:56,361 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 09:36:56,362 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-28 09:36:56,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:36:56 BoogieIcfgContainer [2021-12-28 09:36:56,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 09:36:56,365 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-28 09:36:56,366 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-28 09:36:56,368 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-28 09:36:56,368 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:36:56,368 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.12 09:36:54" (1/3) ... [2021-12-28 09:36:56,369 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5bcb9b5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:36:56, skipping insertion in model container [2021-12-28 09:36:56,369 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:36:56,369 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:36:54" (2/3) ... [2021-12-28 09:36:56,369 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5bcb9b5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:36:56, skipping insertion in model container [2021-12-28 09:36:56,370 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:36:56,370 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:36:56" (3/3) ... [2021-12-28 09:36:56,370 INFO L388 chiAutomizerObserver]: Analyzing ICFG email_spec11_product36.cil.c [2021-12-28 09:36:56,415 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-28 09:36:56,416 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-28 09:36:56,416 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-28 09:36:56,416 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-28 09:36:56,416 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-28 09:36:56,416 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-28 09:36:56,417 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-28 09:36:56,417 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-28 09:36:56,460 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 534 states, 533 states have (on average 1.602251407129456) internal successors, (854), 533 states have internal predecessors, (854), 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) [2021-12-28 09:36:56,511 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 79 [2021-12-28 09:36:56,512 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:36:56,512 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:36:56,519 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:36:56,519 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-28 09:36:56,519 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-28 09:36:56,520 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 534 states, 533 states have (on average 1.602251407129456) internal successors, (854), 533 states have internal predecessors, (854), 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) [2021-12-28 09:36:56,531 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 79 [2021-12-28 09:36:56,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:36:56,531 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:36:56,532 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:36:56,532 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-28 09:36:56,537 INFO L791 eck$LassoCheckResult]: Stem: 523#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(44, 16);call #Ultimate.allocInit(44, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(11, 20);call #Ultimate.allocInit(4, 21);call write~init~int(37, 21, 0, 1);call write~init~int(115, 21, 1, 1);call write~init~int(10, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(10, 22);call #Ultimate.allocInit(34, 23);call #Ultimate.allocInit(30, 24);call #Ultimate.allocInit(16, 25);call #Ultimate.allocInit(22, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(20, 28);call #Ultimate.allocInit(10, 29);call #Ultimate.allocInit(12, 30);call #Ultimate.allocInit(10, 31);call #Ultimate.allocInit(18, 32);~__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;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 441#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet36#1, main_#t~ret37#1, main_~retValue_acc~16#1, main_~tmp~4#1;main_~retValue_acc~16#1 := main_#t~nondet36#1;havoc main_#t~nondet36#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 420#L863true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 126#L856true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~15#1;havoc valid_product_~retValue_acc~15#1;valid_product_~retValue_acc~15#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~15#1; 500#L871true main_#t~ret37#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret37#1;havoc main_#t~ret37#1; 365#L1000true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet33#1, setup_#t~nondet34#1, setup_#t~nondet35#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_tmp3~2#1.base, setup_~__cil_tmp3~2#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_tmp3~2#1.base, setup_~__cil_tmp3~2#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_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob_~bob___0#1, setup_bob_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 52#L2309true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 327#L2315-2true assume { :end_inline_setClientId } true; 279#L910true assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 18, 0;havoc setup_#t~nondet33#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_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh_~rjh___0#1, setup_rjh_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 534#L2309-2true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 168#L2315-5true assume { :end_inline_setClientId } true; 388#L920true assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 19, 0;havoc setup_#t~nondet34#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_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck_~chuck___0#1, setup_chuck_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 486#L2309-4true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 119#L2315-8true assume { :end_inline_setClientId } true; 322#L930true assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~2#1.base, setup_~__cil_tmp3~2#1.offset := 20, 0;havoc setup_#t~nondet35#1; 357#L987true assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#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~5#1, test_~tmp___0~1#1, test_~tmp___1~1#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~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#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; 419#L1215-1true [2021-12-28 09:36:56,537 INFO L793 eck$LassoCheckResult]: Loop: 419#L1215-1true assume !false; 302#L1085true assume test_~splverifierCounter~0#1 < 4; 89#L1086true test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 426#L1092true assume 0 == test_~op1~0#1;test_~tmp___9~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 125#L1096true assume 0 != test_~tmp___9~0#1;test_~op1~0#1 := 1; 419#L1215-1true [2021-12-28 09:36:56,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:36:56,542 INFO L85 PathProgramCache]: Analyzing trace with hash -546462003, now seen corresponding path program 1 times [2021-12-28 09:36:56,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:36:56,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188584255] [2021-12-28 09:36:56,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:36:56,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:36:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:36:56,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:36:56,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:36:56,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188584255] [2021-12-28 09:36:56,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188584255] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:36:56,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:36:56,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 09:36:56,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587981121] [2021-12-28 09:36:56,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:36:56,817 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-28 09:36:56,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:36:56,818 INFO L85 PathProgramCache]: Analyzing trace with hash 107009368, now seen corresponding path program 1 times [2021-12-28 09:36:56,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:36:56,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511499606] [2021-12-28 09:36:56,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:36:56,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:36:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:36:56,843 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:36:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:36:56,871 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:36:56,921 INFO L210 LassoAnalysis]: Preferences: [2021-12-28 09:36:56,922 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-28 09:36:56,922 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-28 09:36:56,922 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-28 09:36:56,922 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-28 09:36:56,922 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:36:56,923 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-28 09:36:56,923 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-28 09:36:56,923 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product36.cil.c_Iteration1_Loop [2021-12-28 09:36:56,923 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-28 09:36:56,924 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-28 09:36:56,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:36:56,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:36:56,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:36:57,013 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-28 09:36:57,014 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-28 09:36:57,016 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:36:57,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:36:57,018 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) [2021-12-28 09:36:57,022 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:36:57,022 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:36:57,035 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 [2021-12-28 09:36:57,086 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 [2021-12-28 09:36:57,086 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:36:57,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:36:57,088 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) [2021-12-28 09:36:57,089 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 [2021-12-28 09:36:57,091 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-28 09:36:57,091 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:36:57,140 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-28 09:36:57,148 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 [2021-12-28 09:36:57,148 INFO L210 LassoAnalysis]: Preferences: [2021-12-28 09:36:57,148 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-28 09:36:57,148 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-28 09:36:57,149 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-28 09:36:57,149 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-28 09:36:57,149 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:36:57,149 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-28 09:36:57,149 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-28 09:36:57,149 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product36.cil.c_Iteration1_Loop [2021-12-28 09:36:57,149 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-28 09:36:57,149 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-28 09:36:57,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:36:57,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:36:57,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:36:57,229 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-28 09:36:57,233 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-28 09:36:57,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:36:57,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:36:57,237 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) [2021-12-28 09:36:57,238 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 [2021-12-28 09:36:57,240 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 [2021-12-28 09:36:57,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:36:57,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:36:57,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:36:57,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:36:57,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:36:57,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:36:57,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:36:57,263 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-28 09:36:57,269 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-28 09:36:57,269 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-28 09:36:57,270 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:36:57,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:36:57,272 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) [2021-12-28 09:36:57,276 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-28 09:36:57,277 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-28 09:36:57,277 INFO L513 LassoAnalysis]: Proved termination. [2021-12-28 09:36:57,278 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 [] [2021-12-28 09:36:57,298 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 [2021-12-28 09:36:57,305 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 [2021-12-28 09:36:57,308 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-28 09:36:57,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:36:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:36:57,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-28 09:36:57,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:36:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:36:57,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-28 09:36:57,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:36:57,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-28 09:36:57,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:36:57,654 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 [2021-12-28 09:36:57,656 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 534 states, 533 states have (on average 1.602251407129456) internal successors, (854), 533 states have internal predecessors, (854), 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 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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) [2021-12-28 09:36:57,805 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 534 states, 533 states have (on average 1.602251407129456) internal successors, (854), 533 states have internal predecessors, (854), 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 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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 1473 states and 2339 transitions. Complement of second has 7 states. [2021-12-28 09:36:57,806 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 [2021-12-28 09:36:57,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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) [2021-12-28 09:36:57,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1527 transitions. [2021-12-28 09:36:57,814 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1527 transitions. Stem has 16 letters. Loop has 5 letters. [2021-12-28 09:36:57,815 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:36:57,815 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1527 transitions. Stem has 21 letters. Loop has 5 letters. [2021-12-28 09:36:57,815 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:36:57,815 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1527 transitions. Stem has 16 letters. Loop has 10 letters. [2021-12-28 09:36:57,816 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:36:57,816 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1473 states and 2339 transitions. [2021-12-28 09:36:57,831 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-28 09:36:57,833 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1473 states to 0 states and 0 transitions. [2021-12-28 09:36:57,833 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-28 09:36:57,834 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-28 09:36:57,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-28 09:36:57,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:36:57,834 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 09:36:57,834 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 09:36:57,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:36:57,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 09:36:57,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 09:36:57,839 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-12-28 09:36:57,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:36:57,841 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-12-28 09:36:57,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-28 09:36:57,841 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-12-28 09:36:57,842 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-28 09:36:57,842 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-12-28 09:36:57,842 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-28 09:36:57,842 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-28 09:36:57,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-28 09:36:57,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:36:57,842 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 09:36:57,842 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 09:36:57,842 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-28 09:36:57,842 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-28 09:36:57,843 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-28 09:36:57,843 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-28 09:36:57,843 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-28 09:36:57,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.12 09:36:57 BoogieIcfgContainer [2021-12-28 09:36:57,861 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-28 09:36:57,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-28 09:36:57,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-28 09:36:57,862 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-28 09:36:57,863 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:36:56" (3/4) ... [2021-12-28 09:36:57,865 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-28 09:36:57,865 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-28 09:36:57,866 INFO L158 Benchmark]: Toolchain (without parser) took 3728.01ms. Allocated memory was 54.5MB in the beginning and 121.6MB in the end (delta: 67.1MB). Free memory was 30.5MB in the beginning and 81.5MB in the end (delta: -51.0MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2021-12-28 09:36:57,867 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory was 36.3MB in the beginning and 36.2MB in the end (delta: 33.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:36:57,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 637.15ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.3MB in the beginning and 42.3MB in the end (delta: -12.0MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2021-12-28 09:36:57,871 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.88ms. Allocated memory is still 67.1MB. Free memory was 42.3MB in the beginning and 31.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-28 09:36:57,871 INFO L158 Benchmark]: Boogie Preprocessor took 106.86ms. Allocated memory is still 67.1MB. Free memory was 31.8MB in the beginning and 36.9MB in the end (delta: -5.1MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2021-12-28 09:36:57,872 INFO L158 Benchmark]: RCFGBuilder took 1362.49ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 36.9MB in the beginning and 39.1MB in the end (delta: -2.2MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2021-12-28 09:36:57,872 INFO L158 Benchmark]: BuchiAutomizer took 1496.07ms. Allocated memory was 88.1MB in the beginning and 121.6MB in the end (delta: 33.6MB). Free memory was 38.7MB in the beginning and 81.5MB in the end (delta: -42.8MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2021-12-28 09:36:57,873 INFO L158 Benchmark]: Witness Printer took 3.16ms. Allocated memory is still 121.6MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:36:57,874 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory was 36.3MB in the beginning and 36.2MB in the end (delta: 33.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 637.15ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.3MB in the beginning and 42.3MB in the end (delta: -12.0MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.88ms. Allocated memory is still 67.1MB. Free memory was 42.3MB in the beginning and 31.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 106.86ms. Allocated memory is still 67.1MB. Free memory was 31.8MB in the beginning and 36.9MB in the end (delta: -5.1MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1362.49ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 36.9MB in the beginning and 39.1MB in the end (delta: -2.2MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1496.07ms. Allocated memory was 88.1MB in the beginning and 121.6MB in the end (delta: 33.6MB). Free memory was 38.7MB in the beginning and 81.5MB in the end (delta: -42.8MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Witness Printer took 3.16ms. Allocated memory is still 121.6MB. Free memory is still 81.5MB. 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 841 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 840 mSDsluCounter, 2450 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1610 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 840 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax100 hnf100 lsp43 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 43ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-28 09:36:57,902 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