./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9516d8-b0f1-43c1-ae6c-39ed95540bdc/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9516d8-b0f1-43c1-ae6c-39ed95540bdc/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9516d8-b0f1-43c1-ae6c-39ed95540bdc/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9516d8-b0f1-43c1-ae6c-39ed95540bdc/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9516d8-b0f1-43c1-ae6c-39ed95540bdc/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9516d8-b0f1-43c1-ae6c-39ed95540bdc/bin/uautomizer-Z5i5R5N3CC --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 a912d2683ef7954decaabaeed38c73d05eb5bf27 .............................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:18:56,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:18:56,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:18:56,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:18:56,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:18:56,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:18:56,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:18:56,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:18:56,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:18:56,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:18:56,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:18:56,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:18:56,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:18:56,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:18:56,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:18:56,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:18:56,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:18:56,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:18:56,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:18:56,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:18:56,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:18:56,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:18:56,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:18:56,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:18:56,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:18:56,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:18:56,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:18:56,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:18:56,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:18:56,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:18:56,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:18:56,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:18:56,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:18:56,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:18:56,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:18:56,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:18:56,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:18:56,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:18:56,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:18:56,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:18:56,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:18:56,739 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9516d8-b0f1-43c1-ae6c-39ed95540bdc/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-11 00:18:56,787 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:18:56,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:18:56,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:18:56,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:18:56,790 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:18:56,790 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-11 00:18:56,791 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-11 00:18:56,791 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-11 00:18:56,791 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-11 00:18:56,791 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-11 00:18:56,791 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-11 00:18:56,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:18:56,792 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:18:56,792 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:18:56,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:18:56,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:18:56,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:18:56,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-11 00:18:56,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-11 00:18:56,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-11 00:18:56,793 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:18:56,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:18:56,794 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-11 00:18:56,794 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:18:56,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-11 00:18:56,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:18:56,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:18:56,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:18:56,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:18:56,796 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:18:56,797 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-11 00:18:56,797 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9516d8-b0f1-43c1-ae6c-39ed95540bdc/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9516d8-b0f1-43c1-ae6c-39ed95540bdc/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a912d2683ef7954decaabaeed38c73d05eb5bf27 [2021-10-11 00:18:57,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:18:57,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:18:57,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:18:57,200 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:18:57,204 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:18:57,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9516d8-b0f1-43c1-ae6c-39ed95540bdc/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/email_spec9_product30.cil.c [2021-10-11 00:18:57,294 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9516d8-b0f1-43c1-ae6c-39ed95540bdc/bin/uautomizer-Z5i5R5N3CC/data/98a69481b/add9bbf9ab3345a992d16527aea0478e/FLAG9d776406e [2021-10-11 00:18:58,122 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:18:58,127 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9516d8-b0f1-43c1-ae6c-39ed95540bdc/sv-benchmarks/c/product-lines/email_spec9_product30.cil.c [2021-10-11 00:18:58,168 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9516d8-b0f1-43c1-ae6c-39ed95540bdc/bin/uautomizer-Z5i5R5N3CC/data/98a69481b/add9bbf9ab3345a992d16527aea0478e/FLAG9d776406e [2021-10-11 00:18:58,303 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9516d8-b0f1-43c1-ae6c-39ed95540bdc/bin/uautomizer-Z5i5R5N3CC/data/98a69481b/add9bbf9ab3345a992d16527aea0478e [2021-10-11 00:18:58,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:18:58,309 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:18:58,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:18:58,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:18:58,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:18:58,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:18:58" (1/1) ... [2021-10-11 00:18:58,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3967795f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:18:58, skipping insertion in model container [2021-10-11 00:18:58,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:18:58" (1/1) ... [2021-10-11 00:18:58,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:18:58,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:18:59,053 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9516d8-b0f1-43c1-ae6c-39ed95540bdc/sv-benchmarks/c/product-lines/email_spec9_product30.cil.c[41184,41197] [2021-10-11 00:18:59,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:18:59,145 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:18:59,227 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9516d8-b0f1-43c1-ae6c-39ed95540bdc/sv-benchmarks/c/product-lines/email_spec9_product30.cil.c[41184,41197] [2021-10-11 00:18:59,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:18:59,412 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:18:59,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:18:59 WrapperNode [2021-10-11 00:18:59,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:18:59,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:18:59,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:18:59,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:18:59,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:18:59" (1/1) ... [2021-10-11 00:18:59,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:18:59" (1/1) ... [2021-10-11 00:18:59,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:18:59,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:18:59,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:18:59,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:18:59,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:18:59" (1/1) ... [2021-10-11 00:18:59,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:18:59" (1/1) ... [2021-10-11 00:18:59,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:18:59" (1/1) ... [2021-10-11 00:18:59,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:18:59" (1/1) ... [2021-10-11 00:18:59,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:18:59" (1/1) ... [2021-10-11 00:18:59,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:18:59" (1/1) ... [2021-10-11 00:18:59,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:18:59" (1/1) ... [2021-10-11 00:18:59,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:18:59,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:18:59,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:18:59,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:18:59,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:18:59" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9516d8-b0f1-43c1-ae6c-39ed95540bdc/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:18:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-11 00:18:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:18:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:18:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:18:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:19:03,597 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:19:03,598 INFO L299 CfgBuilder]: Removed 323 assume(true) statements. [2021-10-11 00:19:03,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:19:03 BoogieIcfgContainer [2021-10-11 00:19:03,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:19:03,604 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-11 00:19:03,605 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-11 00:19:03,610 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-11 00:19:03,611 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:19:03,611 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:18:58" (1/3) ... [2021-10-11 00:19:03,614 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c591a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:19:03, skipping insertion in model container [2021-10-11 00:19:03,614 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:19:03,614 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:18:59" (2/3) ... [2021-10-11 00:19:03,615 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c591a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:19:03, skipping insertion in model container [2021-10-11 00:19:03,615 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:19:03,616 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:19:03" (3/3) ... [2021-10-11 00:19:03,619 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec9_product30.cil.c [2021-10-11 00:19:03,703 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-11 00:19:03,703 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-11 00:19:03,703 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-11 00:19:03,704 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:19:03,704 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:19:03,704 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-11 00:19:03,704 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:19:03,704 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-11 00:19:03,755 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 503 states. [2021-10-11 00:19:03,828 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-10-11 00:19:03,828 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:19:03,829 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:19:03,841 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:19:03,841 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:19:03,842 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-11 00:19:03,842 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 503 states. [2021-10-11 00:19:03,863 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-10-11 00:19:03,864 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:19:03,864 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:19:03,881 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:19:03,881 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:19:03,889 INFO L794 eck$LassoCheckResult]: Stem: 357#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(44);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(44);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(9);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(9);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(11);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(19);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string25.base, #t~string25.offset, 1);call write~init~int(100, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(10, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string28.base, #t~string28.offset, 1);call write~init~int(100, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(10, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(10);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(16);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(20);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(22);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(10);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(12);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(10);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(18);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(16);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(21);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(13);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(16);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(25);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(17);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(17);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(13);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(17);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string104.base, #t~string104.offset, 1);call write~init~int(115, #t~string104.base, 1 + #t~string104.offset, 1);call write~init~int(10, #t~string104.base, 2 + #t~string104.offset, 1);call write~init~int(0, #t~string104.base, 3 + #t~string104.offset, 1);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(30);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(9);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(21);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(30);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(9);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(21);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(30);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(9);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(25);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(30);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(9);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(25);~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~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;~in_encrypted~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; 276#L-1true havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 343#L1960true havoc valid_product_#res;havoc valid_product_~retValue_acc~28;havoc valid_product_~retValue_acc~28;valid_product_~retValue_acc~28 := 1;valid_product_#res := valid_product_~retValue_acc~28; 472#L1968true main_#t~ret20 := valid_product_#res;main_~tmp~1 := main_#t~ret20;havoc main_#t~ret20; 263#L222true assume 0 != main_~tmp~1;havoc setup_#t~nondet15, setup_#t~nondet17, setup_#t~nondet19, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 86#L1921true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 348#L1927-2true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 363#L1486true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 53#L1492-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string14.base, #t~string14.offset;havoc setup_#t~nondet15;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 89#L1921-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 327#L1927-5true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 369#L1486-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 61#L1492-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string16.base, #t~string16.offset;havoc setup_#t~nondet17;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 77#L1921-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 335#L1927-8true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 374#L1486-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 43#L1492-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string18.base, #t~string18.offset;havoc setup_#t~nondet19; 352#L209true havoc test_#t~nondet141, test_#t~nondet142, test_#t~nondet143, test_#t~nondet144, test_#t~nondet145, test_#t~nondet146, test_#t~nondet147, test_#t~nondet148, test_#t~nondet149, test_#t~nondet150, test_#t~nondet151, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~24, test_~tmp___0~8, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~24;havoc test_~tmp___0~8;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 87#L2989-1true [2021-10-11 00:19:03,890 INFO L796 eck$LassoCheckResult]: Loop: 87#L2989-1true assume !false; 34#L2844true assume test_~splverifierCounter~0 < 4; 14#L2845true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 376#L2851true assume !(0 == test_~op1~0); 163#L2864true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet142;havoc test_#t~nondet142; 421#L2869true assume 0 != test_~tmp___8~0;setClientAutoResponse_#in~handle, setClientAutoResponse_#in~value := ~rjh~0, 1;havoc setClientAutoResponse_~handle, setClientAutoResponse_~value;setClientAutoResponse_~handle := setClientAutoResponse_#in~handle;setClientAutoResponse_~value := setClientAutoResponse_#in~value; 483#L1439true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 228#L1445-2true test_~op2~0 := 1; 87#L2989-1true [2021-10-11 00:19:03,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:19:03,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2021-10-11 00:19:03,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:19:03,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185689911] [2021-10-11 00:19:03,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:19:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:19:04,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:19:04,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185689911] [2021-10-11 00:19:04,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:19:04,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:19:04,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155572286] [2021-10-11 00:19:04,365 INFO L799 eck$LassoCheckResult]: stem already infeasible [2021-10-11 00:19:04,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:19:04,366 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2021-10-11 00:19:04,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:19:04,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655267649] [2021-10-11 00:19:04,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:19:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:19:04,379 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:19:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:19:04,388 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:19:04,417 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:19:04,539 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:19:04,540 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:19:04,540 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:19:04,540 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:19:04,540 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:19:04,541 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:19:04,541 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:19:04,541 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:19:04,541 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product30.cil.c_Iteration1_Loop [2021-10-11 00:19:04,541 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:19:04,542 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:19:04,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:19:04,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:19:04,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:19:04,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:19:04,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:19:04,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:19:04,835 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:19:04,835 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9516d8-b0f1-43c1-ae6c-39ed95540bdc/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:19:04,851 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:19:04,851 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:19:04,882 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-11 00:19:04,894 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_#in~value=1, ULTIMATE.start_setClientAutoResponse_~value=1} Honda state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_#in~value=1, ULTIMATE.start_setClientAutoResponse_~value=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9516d8-b0f1-43c1-ae6c-39ed95540bdc/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:19:04,955 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:19:04,955 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9516d8-b0f1-43c1-ae6c-39ed95540bdc/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:19:04,987 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:19:04,987 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-11 00:19:05,018 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-11 00:19:05,019 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:19:05,020 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:19:05,020 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:19:05,020 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:19:05,020 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:19:05,020 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:19:05,020 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:19:05,020 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:19:05,020 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product30.cil.c_Iteration1_Loop [2021-10-11 00:19:05,020 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:19:05,021 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:19:05,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:19:05,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:19:05,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:19:05,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:19:05,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:19:05,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:19:05,249 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:19:05,257 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9516d8-b0f1-43c1-ae6c-39ed95540bdc/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:19:05,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:19:05,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:19:05,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:19:05,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:19:05,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:19:05,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:19:05,274 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:19:05,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:19:05,283 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-11 00:19:05,299 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-11 00:19:05,299 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d9516d8-b0f1-43c1-ae6c-39ed95540bdc/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:19:05,311 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-11 00:19:05,311 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-11 00:19:05,312 INFO L510 LassoAnalysis]: Proved termination. [2021-10-11 00:19:05,313 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:19:05,347 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-11 00:19:05,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:19:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:19:05,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:19:05,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:19:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:19:05,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 00:19:05,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:19:05,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:19:05,910 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 [2021-10-11 00:19:05,912 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 503 states. Second operand 5 states. [2021-10-11 00:19:06,144 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 503 states.. Second operand 5 states. Result 1243 states and 2156 transitions. Complement of second has 7 states. [2021-10-11 00:19:06,145 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 [2021-10-11 00:19:06,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-10-11 00:19:06,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1325 transitions. [2021-10-11 00:19:06,153 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1325 transitions. Stem has 18 letters. Loop has 8 letters. [2021-10-11 00:19:06,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:19:06,156 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1325 transitions. Stem has 26 letters. Loop has 8 letters. [2021-10-11 00:19:06,156 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:19:06,157 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1325 transitions. Stem has 18 letters. Loop has 16 letters. [2021-10-11 00:19:06,158 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:19:06,159 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1243 states and 2156 transitions. [2021-10-11 00:19:06,188 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:19:06,192 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1243 states to 0 states and 0 transitions. [2021-10-11 00:19:06,193 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:19:06,193 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:19:06,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:19:06,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:19:06,195 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:19:06,195 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:19:06,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:19:06,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:19:06,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:19:06,202 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2021-10-11 00:19:06,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:19:06,205 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-11 00:19:06,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:19:06,206 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-11 00:19:06,206 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:19:06,207 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:19:06,207 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:19:06,207 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:19:06,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:19:06,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:19:06,208 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:19:06,208 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:19:06,208 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:19:06,209 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-11 00:19:06,209 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:19:06,209 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:19:06,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-11 00:19:06,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:19:06 BoogieIcfgContainer [2021-10-11 00:19:06,216 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-11 00:19:06,216 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:19:06,216 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:19:06,217 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:19:06,218 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:19:03" (3/4) ... [2021-10-11 00:19:06,221 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:19:06,221 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:19:06,224 INFO L168 Benchmark]: Toolchain (without parser) took 7913.54 ms. Allocated memory was 125.8 MB in the beginning and 249.6 MB in the end (delta: 123.7 MB). Free memory was 83.5 MB in the beginning and 86.5 MB in the end (delta: -3.0 MB). Peak memory consumption was 119.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:06,226 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 125.8 MB. Free memory was 102.3 MB in the beginning and 102.3 MB in the end (delta: 69.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:19:06,227 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1098.34 ms. Allocated memory was 125.8 MB in the beginning and 180.4 MB in the end (delta: 54.5 MB). Free memory was 83.3 MB in the beginning and 151.6 MB in the end (delta: -68.4 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:06,229 INFO L168 Benchmark]: Boogie Procedure Inliner took 208.68 ms. Allocated memory is still 180.4 MB. Free memory was 151.6 MB in the beginning and 142.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:06,230 INFO L168 Benchmark]: Boogie Preprocessor took 145.34 ms. Allocated memory is still 180.4 MB. Free memory was 142.5 MB in the beginning and 135.0 MB in the end (delta: 7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:06,231 INFO L168 Benchmark]: RCFGBuilder took 3833.21 ms. Allocated memory was 180.4 MB in the beginning and 249.6 MB in the end (delta: 69.2 MB). Free memory was 135.0 MB in the beginning and 165.0 MB in the end (delta: -30.0 MB). Peak memory consumption was 74.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:06,238 INFO L168 Benchmark]: BuchiAutomizer took 2611.43 ms. Allocated memory is still 249.6 MB. Free memory was 165.0 MB in the beginning and 86.5 MB in the end (delta: 78.5 MB). Peak memory consumption was 77.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:06,239 INFO L168 Benchmark]: Witness Printer took 5.13 ms. Allocated memory is still 249.6 MB. Free memory is still 86.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:19:06,246 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 125.8 MB. Free memory was 102.3 MB in the beginning and 102.3 MB in the end (delta: 69.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1098.34 ms. Allocated memory was 125.8 MB in the beginning and 180.4 MB in the end (delta: 54.5 MB). Free memory was 83.3 MB in the beginning and 151.6 MB in the end (delta: -68.4 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 208.68 ms. Allocated memory is still 180.4 MB. Free memory was 151.6 MB in the beginning and 142.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 145.34 ms. Allocated memory is still 180.4 MB. Free memory was 142.5 MB in the beginning and 135.0 MB in the end (delta: 7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3833.21 ms. Allocated memory was 180.4 MB in the beginning and 249.6 MB in the end (delta: 69.2 MB). Free memory was 135.0 MB in the beginning and 165.0 MB in the end (delta: -30.0 MB). Peak memory consumption was 74.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2611.43 ms. Allocated memory is still 249.6 MB. Free memory was 165.0 MB in the beginning and 86.5 MB in the end (delta: 78.5 MB). Peak memory consumption was 77.4 MB. Max. memory is 16.1 GB. * Witness Printer took 5.13 ms. Allocated memory is still 249.6 MB. Free memory is still 86.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. 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: 876 SDtfs, 876 SDslu, 1648 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax100 hnf100 lsp24 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq209 hnf86 smp100 dnf120 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 54ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...