./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec1_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_eb2c1e51-b9db-4802-80d6-fbb22f6d77ab/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_eb2c1e51-b9db-4802-80d6-fbb22f6d77ab/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_eb2c1e51-b9db-4802-80d6-fbb22f6d77ab/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_eb2c1e51-b9db-4802-80d6-fbb22f6d77ab/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec1_product15.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_eb2c1e51-b9db-4802-80d6-fbb22f6d77ab/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_eb2c1e51-b9db-4802-80d6-fbb22f6d77ab/bin/uautomizer --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 779b4d7dad7978c562b6354624441d6f288de1a1 .............................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:17:10,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:17:10,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:17:10,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:17:10,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:17:10,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:17:10,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:17:10,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:17:10,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:17:10,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:17:10,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:17:10,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:17:10,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:17:10,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:17:10,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:17:10,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:17:10,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:17:10,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:17:10,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:17:10,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:17:10,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:17:10,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:17:10,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:17:10,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:17:10,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:17:10,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:17:10,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:17:10,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:17:10,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:17:10,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:17:10,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:17:10,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:17:10,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:17:10,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:17:10,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:17:10,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:17:10,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:17:10,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:17:10,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:17:10,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:17:10,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:17:10,730 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_eb2c1e51-b9db-4802-80d6-fbb22f6d77ab/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 20:17:10,774 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:17:10,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:17:10,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:17:10,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:17:10,777 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:17:10,777 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 20:17:10,778 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 20:17:10,783 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 20:17:10,783 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 20:17:10,784 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 20:17:10,785 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 20:17:10,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:17:10,786 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:17:10,786 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 20:17:10,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:17:10,787 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:17:10,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:17:10,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 20:17:10,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 20:17:10,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 20:17:10,789 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:17:10,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:17:10,789 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 20:17:10,790 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:17:10,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 20:17:10,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:17:10,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:17:10,791 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 20:17:10,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:17:10,794 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:17:10,794 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:17:10,795 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 20:17:10,798 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 20:17:10,798 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-vcloud-master/worker/run_dir_eb2c1e51-b9db-4802-80d6-fbb22f6d77ab/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_eb2c1e51-b9db-4802-80d6-fbb22f6d77ab/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 779b4d7dad7978c562b6354624441d6f288de1a1 [2020-11-29 20:17:11,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:17:11,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:17:11,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:17:11,222 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:17:11,224 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:17:11,225 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_eb2c1e51-b9db-4802-80d6-fbb22f6d77ab/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec1_product15.cil.c [2020-11-29 20:17:11,319 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eb2c1e51-b9db-4802-80d6-fbb22f6d77ab/bin/uautomizer/data/7c2c693e9/7d3642d9b84344aabde253420cc7e042/FLAG7f14fd095 [2020-11-29 20:17:12,077 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:17:12,081 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_eb2c1e51-b9db-4802-80d6-fbb22f6d77ab/sv-benchmarks/c/product-lines/email_spec1_product15.cil.c [2020-11-29 20:17:12,117 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eb2c1e51-b9db-4802-80d6-fbb22f6d77ab/bin/uautomizer/data/7c2c693e9/7d3642d9b84344aabde253420cc7e042/FLAG7f14fd095 [2020-11-29 20:17:12,254 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_eb2c1e51-b9db-4802-80d6-fbb22f6d77ab/bin/uautomizer/data/7c2c693e9/7d3642d9b84344aabde253420cc7e042 [2020-11-29 20:17:12,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:17:12,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:17:12,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:17:12,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:17:12,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:17:12,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:17:12" (1/1) ... [2020-11-29 20:17:12,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb375de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:17:12, skipping insertion in model container [2020-11-29 20:17:12,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:17:12" (1/1) ... [2020-11-29 20:17:12,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:17:12,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:17:13,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:17:13,194 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:17:13,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:17:13,531 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:17:13,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:17:13 WrapperNode [2020-11-29 20:17:13,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:17:13,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:17:13,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:17:13,538 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:17:13,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:17:13" (1/1) ... [2020-11-29 20:17:13,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:17:13" (1/1) ... [2020-11-29 20:17:13,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:17:13,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:17:13,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:17:13,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:17:13,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:17:13" (1/1) ... [2020-11-29 20:17:13,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:17:13" (1/1) ... [2020-11-29 20:17:13,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:17:13" (1/1) ... [2020-11-29 20:17:13,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:17:13" (1/1) ... [2020-11-29 20:17:13,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:17:13" (1/1) ... [2020-11-29 20:17:13,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:17:13" (1/1) ... [2020-11-29 20:17:13,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:17:13" (1/1) ... [2020-11-29 20:17:13,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:17:13,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:17:13,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:17:13,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:17:13,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:17:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eb2c1e51-b9db-4802-80d6-fbb22f6d77ab/bin/uautomizer/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 [2020-11-29 20:17:14,031 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-11-29 20:17:14,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:17:14,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:17:14,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:17:14,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:17:16,389 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:17:16,393 INFO L298 CfgBuilder]: Removed 259 assume(true) statements. [2020-11-29 20:17:16,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:17:16 BoogieIcfgContainer [2020-11-29 20:17:16,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:17:16,399 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 20:17:16,400 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 20:17:16,404 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 20:17:16,405 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:17:16,405 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 08:17:12" (1/3) ... [2020-11-29 20:17:16,406 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ade9ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:17:16, skipping insertion in model container [2020-11-29 20:17:16,407 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:17:16,407 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:17:13" (2/3) ... [2020-11-29 20:17:16,408 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ade9ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:17:16, skipping insertion in model container [2020-11-29 20:17:16,408 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:17:16,408 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:17:16" (3/3) ... [2020-11-29 20:17:16,411 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec1_product15.cil.c [2020-11-29 20:17:16,482 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 20:17:16,482 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 20:17:16,482 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 20:17:16,482 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:17:16,483 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:17:16,483 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 20:17:16,483 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:17:16,483 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 20:17:16,522 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 409 states. [2020-11-29 20:17:16,607 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2020-11-29 20:17:16,607 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:17:16,607 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:17:16,621 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:17:16,622 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:17:16,622 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 20:17:16,622 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 409 states. [2020-11-29 20:17:16,637 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2020-11-29 20:17:16,637 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:17:16,637 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:17:16,646 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:17:16,646 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:17:16,663 INFO L794 eck$LassoCheckResult]: Stem: 285#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~string10.base, #t~string10.offset := #Ultimate.allocOnStack(10);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(12);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(10);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(18);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(16);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(44);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(44);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(11);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(19);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string58.base, #t~string58.offset, 1);call write~init~int(100, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(10, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string61.base, #t~string61.offset, 1);call write~init~int(100, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(10, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(30);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(9);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(21);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(30);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(9);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(21);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(30);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(9);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(25);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(30);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(9);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(25);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(13);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(10);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(16);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(20);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(22);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string127.base, #t~string127.offset, 1);call write~init~int(115, #t~string127.base, 1 + #t~string127.offset, 1);call write~init~int(10, #t~string127.base, 2 + #t~string127.offset, 1);call write~init~int(0, #t~string127.base, 3 + #t~string127.offset, 1);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__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;~__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;~head~0.base, ~head~0.offset := 0, 0;~mail_is_sensitive~0 := -1;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 196#L-1true havoc main_#res;havoc main_#t~ret53, main_~retValue_acc~32, main_~tmp~7;havoc main_~retValue_acc~32;havoc main_~tmp~7; 283#L2863true havoc valid_product_#res;havoc valid_product_~retValue_acc~43;havoc valid_product_~retValue_acc~43;valid_product_~retValue_acc~43 := 1;valid_product_#res := valid_product_~retValue_acc~43; 388#L2871true main_#t~ret53 := valid_product_#res;main_~tmp~7 := main_#t~ret53;havoc main_#t~ret53; 244#L2035true assume 0 != main_~tmp~7;havoc setup_#t~nondet48, setup_#t~nondet50, setup_#t~nondet52, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.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_tmp3~3.base, setup_~__cil_tmp3~3.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; 150#L1104true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 245#L1110-2true 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; 380#L669true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 28#L675-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string47.base, #t~string47.offset;havoc setup_#t~nondet48;~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; 134#L1104-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 251#L1110-5true 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; 385#L669-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 14#L675-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string49.base, #t~string49.offset;havoc setup_#t~nondet50;~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; 135#L1104-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 222#L1110-8true 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; 375#L669-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 18#L675-8true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string51.base, #t~string51.offset;havoc setup_#t~nondet52; 322#L2022true havoc test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, 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~5, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~1, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~1;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 41#L1853-1true [2020-11-29 20:17:16,663 INFO L796 eck$LassoCheckResult]: Loop: 41#L1853-1true assume !false; 102#L1708true assume test_~splverifierCounter~0 < 4; 171#L1709true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 378#L1715true assume !(0 == test_~op1~0); 311#L1728true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet30;havoc test_#t~nondet30; 6#L1733true 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; 49#L622true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 129#L628-2true test_~op2~0 := 1; 41#L1853-1true [2020-11-29 20:17:16,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:17:16,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2020-11-29 20:17:16,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:17:16,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626122461] [2020-11-29 20:17:16,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:17:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:17:17,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:17:17,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626122461] [2020-11-29 20:17:17,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:17:17,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:17:17,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090790781] [2020-11-29 20:17:17,184 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 20:17:17,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:17:17,185 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2020-11-29 20:17:17,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:17:17,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623247801] [2020-11-29 20:17:17,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:17:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:17:17,205 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:17:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:17:17,214 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:17:17,277 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:17:17,392 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 20:17:17,394 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 20:17:17,394 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 20:17:17,395 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 20:17:17,395 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 20:17:17,395 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:17:17,395 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 20:17:17,396 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 20:17:17,396 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product15.cil.c_Iteration1_Loop [2020-11-29 20:17:17,396 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 20:17:17,396 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 20:17:17,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:17:17,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:17:17,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:17:17,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:17:17,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:17:17,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:17:17,676 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 20:17:17,678 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eb2c1e51-b9db-4802-80d6-fbb22f6d77ab/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:17:17,688 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 20:17:17,688 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 [2020-11-29 20:17:17,703 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 20:17:17,704 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-vcloud-master/worker/run_dir_eb2c1e51-b9db-4802-80d6-fbb22f6d77ab/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:17:17,756 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 20:17:17,756 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-vcloud-master/worker/run_dir_eb2c1e51-b9db-4802-80d6-fbb22f6d77ab/bin/uautomizer/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 [2020-11-29 20:17:17,815 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 20:17:17,815 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-29 20:17:17,852 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-29 20:17:17,854 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 20:17:17,854 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 20:17:17,854 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 20:17:17,855 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 20:17:17,855 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 20:17:17,855 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:17:17,855 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 20:17:17,855 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 20:17:17,855 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product15.cil.c_Iteration1_Loop [2020-11-29 20:17:17,855 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 20:17:17,856 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 20:17:17,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:17:17,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:17:17,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:17:17,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:17:17,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:17:17,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 20:17:18,198 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 20:17:18,204 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eb2c1e51-b9db-4802-80d6-fbb22f6d77ab/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 20:17:18,213 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 [2020-11-29 20:17:18,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 20:17:18,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 20:17:18,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 20:17:18,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 20:17:18,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 20:17:18,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 20:17:18,220 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 [2020-11-29 20:17:18,225 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 20:17:18,231 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-29 20:17:18,231 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-vcloud-master/worker/run_dir_eb2c1e51-b9db-4802-80d6-fbb22f6d77ab/bin/uautomizer/z3 Starting monitored process 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 20:17:18,275 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 20:17:18,275 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-29 20:17:18,276 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 20:17:18,276 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2020-11-29 20:17:18,307 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-29 20:17:18,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:17:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:17:18,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 20:17:18,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:17:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:17:18,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 20:17:18,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:17:18,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:17:18,981 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 [2020-11-29 20:17:18,983 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 409 states. Second operand 5 states. [2020-11-29 20:17:19,241 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 409 states.. Second operand 5 states. Result 957 states and 1666 transitions. Complement of second has 7 states. [2020-11-29 20:17:19,242 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 [2020-11-29 20:17:19,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-29 20:17:19,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 999 transitions. [2020-11-29 20:17:19,248 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 999 transitions. Stem has 18 letters. Loop has 8 letters. [2020-11-29 20:17:19,250 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:17:19,250 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 999 transitions. Stem has 26 letters. Loop has 8 letters. [2020-11-29 20:17:19,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:17:19,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 999 transitions. Stem has 18 letters. Loop has 16 letters. [2020-11-29 20:17:19,253 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 20:17:19,254 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 957 states and 1666 transitions. [2020-11-29 20:17:19,273 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 20:17:19,277 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 957 states to 0 states and 0 transitions. [2020-11-29 20:17:19,283 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 20:17:19,283 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 20:17:19,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 20:17:19,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 20:17:19,284 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:17:19,284 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:17:19,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:17:19,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:17:19,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:17:19,292 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-11-29 20:17:19,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:17:19,295 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-11-29 20:17:19,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 20:17:19,296 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-11-29 20:17:19,297 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 20:17:19,297 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 20:17:19,297 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 20:17:19,298 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 20:17:19,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 20:17:19,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 20:17:19,298 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:17:19,298 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:17:19,298 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:17:19,299 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 20:17:19,299 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 20:17:19,299 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 20:17:19,299 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 20:17:19,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 08:17:19 BoogieIcfgContainer [2020-11-29 20:17:19,305 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 20:17:19,306 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:17:19,306 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:17:19,307 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:17:19,307 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:17:16" (3/4) ... [2020-11-29 20:17:19,311 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 20:17:19,311 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:17:19,313 INFO L168 Benchmark]: Toolchain (without parser) took 7053.59 ms. Allocated memory was 109.1 MB in the beginning and 180.4 MB in the end (delta: 71.3 MB). Free memory was 73.9 MB in the beginning and 130.0 MB in the end (delta: -56.1 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. [2020-11-29 20:17:19,315 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 79.7 MB. Free memory was 49.8 MB in the beginning and 49.7 MB in the end (delta: 27.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:17:19,316 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1275.55 ms. Allocated memory is still 109.1 MB. Free memory was 73.9 MB in the beginning and 47.5 MB in the end (delta: 26.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-29 20:17:19,317 INFO L168 Benchmark]: Boogie Procedure Inliner took 228.08 ms. Allocated memory is still 109.1 MB. Free memory was 47.5 MB in the beginning and 81.0 MB in the end (delta: -33.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:17:19,319 INFO L168 Benchmark]: Boogie Preprocessor took 144.80 ms. Allocated memory is still 109.1 MB. Free memory was 81.0 MB in the beginning and 74.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 20:17:19,321 INFO L168 Benchmark]: RCFGBuilder took 2487.28 ms. Allocated memory was 109.1 MB in the beginning and 142.6 MB in the end (delta: 33.6 MB). Free memory was 74.7 MB in the beginning and 60.3 MB in the end (delta: 14.4 MB). Peak memory consumption was 59.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:17:19,323 INFO L168 Benchmark]: BuchiAutomizer took 2906.43 ms. Allocated memory was 142.6 MB in the beginning and 180.4 MB in the end (delta: 37.7 MB). Free memory was 60.3 MB in the beginning and 130.5 MB in the end (delta: -70.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:17:19,329 INFO L168 Benchmark]: Witness Printer took 4.53 ms. Allocated memory is still 180.4 MB. Free memory was 130.5 MB in the beginning and 130.0 MB in the end (delta: 543.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:17:19,336 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 79.7 MB. Free memory was 49.8 MB in the beginning and 49.7 MB in the end (delta: 27.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1275.55 ms. Allocated memory is still 109.1 MB. Free memory was 73.9 MB in the beginning and 47.5 MB in the end (delta: 26.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 228.08 ms. Allocated memory is still 109.1 MB. Free memory was 47.5 MB in the beginning and 81.0 MB in the end (delta: -33.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 144.80 ms. Allocated memory is still 109.1 MB. Free memory was 81.0 MB in the beginning and 74.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2487.28 ms. Allocated memory was 109.1 MB in the beginning and 142.6 MB in the end (delta: 33.6 MB). Free memory was 74.7 MB in the beginning and 60.3 MB in the end (delta: 14.4 MB). Peak memory consumption was 59.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2906.43 ms. Allocated memory was 142.6 MB in the beginning and 180.4 MB in the end (delta: 37.7 MB). Free memory was 60.3 MB in the beginning and 130.5 MB in the end (delta: -70.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.53 ms. Allocated memory is still 180.4 MB. Free memory was 130.5 MB in the beginning and 130.0 MB in the end (delta: 543.2 kB). 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 2.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.9s. 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: 712 SDtfs, 712 SDslu, 1320 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: 71ms 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...