./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec8_product34.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_9d43b5e6-3ded-4aa3-a533-2e2f77db61dc/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9d43b5e6-3ded-4aa3-a533-2e2f77db61dc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9d43b5e6-3ded-4aa3-a533-2e2f77db61dc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9d43b5e6-3ded-4aa3-a533-2e2f77db61dc/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec8_product34.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9d43b5e6-3ded-4aa3-a533-2e2f77db61dc/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9d43b5e6-3ded-4aa3-a533-2e2f77db61dc/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 74436a625ec3cab45a3e9bfdf804bfbc73e162dd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:08:55,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:08:55,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:08:55,214 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:08:55,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:08:55,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:08:55,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:08:55,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:08:55,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:08:55,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:08:55,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:08:55,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:08:55,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:08:55,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:08:55,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:08:55,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:08:55,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:08:55,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:08:55,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:08:55,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:08:55,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:08:55,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:08:55,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:08:55,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:08:55,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:08:55,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:08:55,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:08:55,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:08:55,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:08:55,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:08:55,292 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:08:55,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:08:55,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:08:55,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:08:55,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:08:55,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:08:55,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:08:55,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:08:55,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:08:55,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:08:55,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:08:55,308 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9d43b5e6-3ded-4aa3-a533-2e2f77db61dc/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 03:08:55,360 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:08:55,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:08:55,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:08:55,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:08:55,363 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:08:55,363 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:08:55,363 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:08:55,364 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:08:55,364 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:08:55,364 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:08:55,365 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:08:55,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:08:55,366 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:08:55,366 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:08:55,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:08:55,367 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:08:55,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:08:55,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:08:55,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:08:55,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:08:55,368 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:08:55,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:08:55,369 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:08:55,369 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:08:55,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:08:55,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:08:55,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:08:55,370 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:08:55,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:08:55,371 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:08:55,371 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:08:55,372 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:08:55,373 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:08:55,373 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_9d43b5e6-3ded-4aa3-a533-2e2f77db61dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9d43b5e6-3ded-4aa3-a533-2e2f77db61dc/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74436a625ec3cab45a3e9bfdf804bfbc73e162dd [2020-11-28 03:08:55,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:08:55,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:08:55,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:08:55,734 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:08:55,736 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:08:55,737 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9d43b5e6-3ded-4aa3-a533-2e2f77db61dc/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec8_product34.cil.c [2020-11-28 03:08:55,851 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9d43b5e6-3ded-4aa3-a533-2e2f77db61dc/bin/uautomizer/data/b6c1104cb/4498a0e0cea44664aecfadf69cce20a7/FLAG212dc56ef [2020-11-28 03:08:56,652 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:08:56,653 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9d43b5e6-3ded-4aa3-a533-2e2f77db61dc/sv-benchmarks/c/product-lines/email_spec8_product34.cil.c [2020-11-28 03:08:56,690 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9d43b5e6-3ded-4aa3-a533-2e2f77db61dc/bin/uautomizer/data/b6c1104cb/4498a0e0cea44664aecfadf69cce20a7/FLAG212dc56ef [2020-11-28 03:08:56,827 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9d43b5e6-3ded-4aa3-a533-2e2f77db61dc/bin/uautomizer/data/b6c1104cb/4498a0e0cea44664aecfadf69cce20a7 [2020-11-28 03:08:56,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:08:56,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:08:56,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:08:56,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:08:56,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:08:56,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:08:56" (1/1) ... [2020-11-28 03:08:56,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61261f8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:56, skipping insertion in model container [2020-11-28 03:08:56,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:08:56" (1/1) ... [2020-11-28 03:08:56,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:08:56,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:08:57,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:08:57,565 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:08:57,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:08:57,842 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:08:57,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:57 WrapperNode [2020-11-28 03:08:57,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:08:57,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:08:57,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:08:57,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:08:57,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:57" (1/1) ... [2020-11-28 03:08:57,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:57" (1/1) ... [2020-11-28 03:08:58,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:08:58,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:08:58,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:08:58,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:08:58,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:57" (1/1) ... [2020-11-28 03:08:58,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:57" (1/1) ... [2020-11-28 03:08:58,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:57" (1/1) ... [2020-11-28 03:08:58,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:57" (1/1) ... [2020-11-28 03:08:58,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:57" (1/1) ... [2020-11-28 03:08:58,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:57" (1/1) ... [2020-11-28 03:08:58,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:57" (1/1) ... [2020-11-28 03:08:58,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:08:58,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:08:58,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:08:58,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:08:58,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9d43b5e6-3ded-4aa3-a533-2e2f77db61dc/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 [2020-11-28 03:08:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-11-28 03:08:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:08:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:08:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:08:58,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:09:03,390 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:09:03,391 INFO L298 CfgBuilder]: Removed 873 assume(true) statements. [2020-11-28 03:09:03,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:03 BoogieIcfgContainer [2020-11-28 03:09:03,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:09:03,399 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:09:03,399 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:09:03,403 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:09:03,404 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:09:03,404 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:08:56" (1/3) ... [2020-11-28 03:09:03,406 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a7874f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:09:03, skipping insertion in model container [2020-11-28 03:09:03,406 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:09:03,406 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:08:57" (2/3) ... [2020-11-28 03:09:03,407 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a7874f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:09:03, skipping insertion in model container [2020-11-28 03:09:03,407 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:09:03,407 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:03" (3/3) ... [2020-11-28 03:09:03,410 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec8_product34.cil.c [2020-11-28 03:09:03,488 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:09:03,488 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:09:03,489 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:09:03,489 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:09:03,489 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:09:03,489 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:09:03,489 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:09:03,490 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:09:03,543 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1266 states. [2020-11-28 03:09:03,641 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2020-11-28 03:09:03,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:09:03,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:09:03,653 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:03,654 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:09:03,654 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:09:03,654 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1266 states. [2020-11-28 03:09:03,676 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2020-11-28 03:09:03,676 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:09:03,677 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:09:03,680 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:03,680 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:09:03,687 INFO L794 eck$LassoCheckResult]: Stem: 360#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(4);call write~init~int(37, #t~string7.base, #t~string7.offset, 1);call write~init~int(115, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(10, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 3 + #t~string7.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(17);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(17);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(13);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(17);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(44);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(44);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(11);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(19);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string75.base, #t~string75.offset, 1);call write~init~int(100, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(10, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string78.base, #t~string78.offset, 1);call write~init~int(100, #t~string78.base, 1 + #t~string78.offset, 1);call write~init~int(10, #t~string78.base, 2 + #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 3 + #t~string78.offset, 1);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(10);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(34);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(30);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(16);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(20);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(21);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(10);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(12);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(10);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(18);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(16);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(21);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(13);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(16);call #t~string155.base, #t~string155.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;~__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;~head~0.base, ~head~0.offset := 0, 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0; 281#L-1true havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~23, main_~tmp~7;havoc main_~retValue_acc~23;havoc main_~tmp~7; 1149#L95true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 620#L103true main_#t~ret70 := valid_product_#res;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; 89#L1765true assume 0 != main_~tmp~7;havoc setup_#t~nondet65, setup_#t~nondet67, setup_#t~nondet69, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.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; 52#L1171true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 942#L1177-2true 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; 982#L736true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 595#L742-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string64.base, #t~string64.offset;havoc setup_#t~nondet65;~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; 54#L1171-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 1094#L1177-5true 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; 968#L736-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 603#L742-5true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string66.base, #t~string66.offset;havoc setup_#t~nondet67;~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; 58#L1171-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 1099#L1177-8true 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; 970#L736-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 755#L742-8true setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string68.base, #t~string68.offset;havoc setup_#t~nondet69; 783#L1752true havoc test_#t~nondet119, test_#t~nondet120, test_#t~nondet121, test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, test_#t~nondet126, test_#t~nondet127, test_#t~nondet128, test_#t~nondet129, 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~19, test_~tmp___0~6, 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~19;havoc test_~tmp___0~6;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; 1121#L2914-1true [2020-11-28 03:09:03,687 INFO L796 eck$LassoCheckResult]: Loop: 1121#L2914-1true assume !false; 902#L2766true assume test_~splverifierCounter~0 < 4; 698#L2767true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 306#L2773true assume !(0 == test_~op1~0); 1021#L2786true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet120;havoc test_#t~nondet120; 713#L2791true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 1121#L2914-1true [2020-11-28 03:09:03,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:03,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2020-11-28 03:09:03,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:03,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903681807] [2020-11-28 03:09:03,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:04,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:04,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903681807] [2020-11-28 03:09:04,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:04,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:09:04,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354061629] [2020-11-28 03:09:04,149 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:09:04,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:04,151 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2020-11-28 03:09:04,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:04,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994087861] [2020-11-28 03:09:04,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:04,178 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:04,199 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:04,239 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:09:04,303 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:09:04,307 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:09:04,307 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:09:04,307 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:09:04,307 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:09:04,308 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:04,308 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:09:04,308 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:09:04,308 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product34.cil.c_Iteration1_Loop [2020-11-28 03:09:04,308 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:09:04,308 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:09:04,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:04,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:04,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:04,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:04,500 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:09:04,501 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9d43b5e6-3ded-4aa3-a533-2e2f77db61dc/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) [2020-11-28 03:09:04,522 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:09:04,522 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 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9d43b5e6-3ded-4aa3-a533-2e2f77db61dc/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) [2020-11-28 03:09:04,576 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:09:04,577 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 [2020-11-28 03:09:04,583 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:09:04,620 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:09:04,620 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:09:04,620 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:09:04,620 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:09:04,621 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:09:04,621 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:04,621 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:09:04,621 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:09:04,621 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product34.cil.c_Iteration1_Loop [2020-11-28 03:09:04,621 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:09:04,621 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:09:04,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:04,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:04,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:04,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:04,945 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:09:04,950 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9d43b5e6-3ded-4aa3-a533-2e2f77db61dc/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) [2020-11-28 03:09:04,960 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 [2020-11-28 03:09:04,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:04,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:09:04,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:04,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:04,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:04,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:09:04,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:04,972 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:09:05,013 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:09:05,013 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_9d43b5e6-3ded-4aa3-a533-2e2f77db61dc/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) [2020-11-28 03:09:05,046 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:09:05,046 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:09:05,047 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:09:05,047 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:05,088 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:09:05,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:05,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:09:05,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:09:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:05,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:09:05,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:09:05,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:05,608 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-28 03:09:05,610 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1266 states. Second operand 4 states. [2020-11-28 03:09:06,100 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1266 states.. Second operand 4 states. Result 5936 states and 10138 transitions. Complement of second has 7 states. [2020-11-28 03:09:06,101 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 [2020-11-28 03:09:06,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:09:06,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5924 transitions. [2020-11-28 03:09:06,187 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5924 transitions. Stem has 18 letters. Loop has 6 letters. [2020-11-28 03:09:06,188 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:09:06,188 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5924 transitions. Stem has 24 letters. Loop has 6 letters. [2020-11-28 03:09:06,189 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:09:06,190 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5924 transitions. Stem has 18 letters. Loop has 12 letters. [2020-11-28 03:09:06,190 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:09:06,191 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5936 states and 10138 transitions. [2020-11-28 03:09:06,275 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 509 [2020-11-28 03:09:06,302 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5936 states to 1051 states and 1924 transitions. [2020-11-28 03:09:06,303 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 540 [2020-11-28 03:09:06,307 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 541 [2020-11-28 03:09:06,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1051 states and 1924 transitions. [2020-11-28 03:09:06,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:09:06,318 INFO L691 BuchiCegarLoop]: Abstraction has 1051 states and 1924 transitions. [2020-11-28 03:09:06,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states and 1924 transitions. [2020-11-28 03:09:06,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 542. [2020-11-28 03:09:06,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2020-11-28 03:09:06,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 989 transitions. [2020-11-28 03:09:06,411 INFO L714 BuchiCegarLoop]: Abstraction has 542 states and 989 transitions. [2020-11-28 03:09:06,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:06,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:09:06,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:09:06,419 INFO L87 Difference]: Start difference. First operand 542 states and 989 transitions. Second operand 3 states. [2020-11-28 03:09:06,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:06,510 INFO L93 Difference]: Finished difference Result 1064 states and 1943 transitions. [2020-11-28 03:09:06,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:09:06,511 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1064 states and 1943 transitions. [2020-11-28 03:09:06,521 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 510 [2020-11-28 03:09:06,534 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1064 states to 1064 states and 1943 transitions. [2020-11-28 03:09:06,534 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 552 [2020-11-28 03:09:06,535 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 552 [2020-11-28 03:09:06,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1064 states and 1943 transitions. [2020-11-28 03:09:06,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:09:06,537 INFO L691 BuchiCegarLoop]: Abstraction has 1064 states and 1943 transitions. [2020-11-28 03:09:06,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states and 1943 transitions. [2020-11-28 03:09:06,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 541. [2020-11-28 03:09:06,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2020-11-28 03:09:06,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 985 transitions. [2020-11-28 03:09:06,559 INFO L714 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2020-11-28 03:09:06,559 INFO L594 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2020-11-28 03:09:06,559 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:09:06,560 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 541 states and 985 transitions. [2020-11-28 03:09:06,563 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2020-11-28 03:09:06,563 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:09:06,564 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:09:06,567 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:06,567 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:06,567 INFO L794 eck$LassoCheckResult]: Stem: 9252#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string7.base, #t~string7.offset, 1);call write~init~int(115, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(10, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 3 + #t~string7.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(17);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(17);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(13);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(17);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(44);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(44);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(11);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(19);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string75.base, #t~string75.offset, 1);call write~init~int(100, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(10, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string78.base, #t~string78.offset, 1);call write~init~int(100, #t~string78.base, 1 + #t~string78.offset, 1);call write~init~int(10, #t~string78.base, 2 + #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 3 + #t~string78.offset, 1);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(10);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(34);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(30);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(16);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(20);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(21);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(10);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(12);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(10);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(18);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(16);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(21);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(13);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(16);call #t~string155.base, #t~string155.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;~__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;~head~0.base, ~head~0.offset := 0, 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0; 8977#L-1 havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~23, main_~tmp~7;havoc main_~retValue_acc~23;havoc main_~tmp~7; 8978#L95 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 9046#L103 main_#t~ret70 := valid_product_#res;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; 9047#L1765 assume 0 != main_~tmp~7;havoc setup_#t~nondet65, setup_#t~nondet67, setup_#t~nondet69, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.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; 9052#L1171 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 8908#L1177-2 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; 8933#L736 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 8909#L742-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string64.base, #t~string64.offset;havoc setup_#t~nondet65;~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; 8910#L1171-2 assume !(1 == setClientId_~handle); 9066#L1174-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 9312#L1177-5 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; 9054#L736-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 8922#L742-5 setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string66.base, #t~string66.offset;havoc setup_#t~nondet67;~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; 8946#L1171-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 9073#L1177-8 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; 9067#L736-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 8962#L742-8 setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string68.base, #t~string68.offset;havoc setup_#t~nondet69; 9318#L1752 havoc test_#t~nondet119, test_#t~nondet120, test_#t~nondet121, test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, test_#t~nondet126, test_#t~nondet127, test_#t~nondet128, test_#t~nondet129, 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~19, test_~tmp___0~6, 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~19;havoc test_~tmp___0~6;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; 9401#L2914-1 assume !false; 9367#L2766 [2020-11-28 03:09:06,568 INFO L796 eck$LassoCheckResult]: Loop: 9367#L2766 assume test_~splverifierCounter~0 < 4; 9170#L2767 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 9090#L2773 assume !(0 == test_~op1~0); 9092#L2786 assume !(0 == test_~op2~0); 9194#L2797 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet121;havoc test_#t~nondet121; 9198#L2802 assume 0 != test_~tmp___7~0;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := ~rjh~0, 0;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 9075#L736-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 9076#L742-11 test_~op3~0 := 1; 9181#L2914-1 assume !false; 9367#L2766 [2020-11-28 03:09:06,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:06,569 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2020-11-28 03:09:06,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:06,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14768972] [2020-11-28 03:09:06,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:06,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:06,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14768972] [2020-11-28 03:09:06,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:06,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:09:06,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297377811] [2020-11-28 03:09:06,762 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:09:06,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:06,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2020-11-28 03:09:06,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:06,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973205854] [2020-11-28 03:09:06,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:06,776 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:06,784 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:06,804 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:09:07,058 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-11-28 03:09:07,059 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:09:07,059 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:09:07,059 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:09:07,059 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:09:07,060 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:09:07,060 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:07,060 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:09:07,060 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:09:07,060 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product34.cil.c_Iteration2_Loop [2020-11-28 03:09:07,060 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:09:07,060 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:09:07,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:07,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:07,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:07,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:07,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:07,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:07,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:07,277 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:09:07,278 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9d43b5e6-3ded-4aa3-a533-2e2f77db61dc/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 [2020-11-28 03:09:07,281 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:09:07,281 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:09:07,286 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:09:07,286 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Honda state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9d43b5e6-3ded-4aa3-a533-2e2f77db61dc/bin/uautomizer/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:07,319 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:09:07,319 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9d43b5e6-3ded-4aa3-a533-2e2f77db61dc/bin/uautomizer/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:07,353 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:09:07,354 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:09:07,406 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:09:07,408 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:09:07,408 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:09:07,408 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:09:07,408 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:09:07,409 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:09:07,409 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:07,409 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:09:07,409 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:09:07,409 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product34.cil.c_Iteration2_Loop [2020-11-28 03:09:07,409 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:09:07,409 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:09:07,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:07,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:07,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:07,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:07,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:07,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:07,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:09:07,682 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:09:07,682 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9d43b5e6-3ded-4aa3-a533-2e2f77db61dc/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:09:07,697 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 [2020-11-28 03:09:07,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:07,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:09:07,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:07,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:07,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:07,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:09:07,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:07,709 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:09:07,718 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:09:07,719 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_9d43b5e6-3ded-4aa3-a533-2e2f77db61dc/bin/uautomizer/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:07,776 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:09:07,776 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:09:07,777 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:09:07,777 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2020-11-28 03:09:07,818 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:09:07,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:08,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:09:08,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:09:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:08,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:09:08,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:09:08,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:08,130 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 [2020-11-28 03:09:08,130 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446 Second operand 4 states. [2020-11-28 03:09:08,187 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446. Second operand 4 states. Result 1055 states and 1929 transitions. Complement of second has 6 states. [2020-11-28 03:09:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:09:08,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:09:08,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2020-11-28 03:09:08,189 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 9 letters. [2020-11-28 03:09:08,190 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:09:08,190 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 29 letters. Loop has 9 letters. [2020-11-28 03:09:08,191 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:09:08,191 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 18 letters. [2020-11-28 03:09:08,195 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:09:08,195 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1055 states and 1929 transitions. [2020-11-28 03:09:08,207 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:09:08,207 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1055 states to 0 states and 0 transitions. [2020-11-28 03:09:08,207 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:09:08,208 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:09:08,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:09:08,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:09:08,208 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:09:08,208 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:09:08,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:08,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:09:08,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:09:08,211 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2020-11-28 03:09:08,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:08,211 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-11-28 03:09:08,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:09:08,212 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-11-28 03:09:08,212 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:09:08,212 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:09:08,212 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:09:08,213 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:09:08,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:09:08,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:09:08,213 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:09:08,213 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:09:08,213 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:09:08,213 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:09:08,214 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:09:08,214 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:09:08,214 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:09:08,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:09:08 BoogieIcfgContainer [2020-11-28 03:09:08,220 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:09:08,221 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:09:08,221 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:09:08,221 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:09:08,222 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:03" (3/4) ... [2020-11-28 03:09:08,225 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:09:08,225 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:09:08,227 INFO L168 Benchmark]: Toolchain (without parser) took 11394.05 ms. Allocated memory was 86.0 MB in the beginning and 266.3 MB in the end (delta: 180.4 MB). Free memory was 51.9 MB in the beginning and 133.7 MB in the end (delta: -81.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:08,227 INFO L168 Benchmark]: CDTParser took 0.90 ms. Allocated memory is still 86.0 MB. Free memory was 60.6 MB in the beginning and 60.6 MB in the end (delta: 29.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:09:08,229 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1005.91 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 51.6 MB in the beginning and 58.6 MB in the end (delta: -7.0 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:08,230 INFO L168 Benchmark]: Boogie Procedure Inliner took 303.81 ms. Allocated memory is still 104.9 MB. Free memory was 58.6 MB in the beginning and 69.4 MB in the end (delta: -10.8 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:08,237 INFO L168 Benchmark]: Boogie Preprocessor took 236.79 ms. Allocated memory is still 104.9 MB. Free memory was 69.4 MB in the beginning and 52.2 MB in the end (delta: 17.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:08,238 INFO L168 Benchmark]: RCFGBuilder took 5009.64 ms. Allocated memory was 104.9 MB in the beginning and 266.3 MB in the end (delta: 161.5 MB). Free memory was 52.2 MB in the beginning and 160.1 MB in the end (delta: -107.9 MB). Peak memory consumption was 97.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:08,239 INFO L168 Benchmark]: BuchiAutomizer took 4821.84 ms. Allocated memory is still 266.3 MB. Free memory was 160.1 MB in the beginning and 133.7 MB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:08,239 INFO L168 Benchmark]: Witness Printer took 4.29 ms. Allocated memory is still 266.3 MB. Free memory is still 133.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:09:08,250 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90 ms. Allocated memory is still 86.0 MB. Free memory was 60.6 MB in the beginning and 60.6 MB in the end (delta: 29.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1005.91 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 51.6 MB in the beginning and 58.6 MB in the end (delta: -7.0 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 303.81 ms. Allocated memory is still 104.9 MB. Free memory was 58.6 MB in the beginning and 69.4 MB in the end (delta: -10.8 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 236.79 ms. Allocated memory is still 104.9 MB. Free memory was 69.4 MB in the beginning and 52.2 MB in the end (delta: 17.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 5009.64 ms. Allocated memory was 104.9 MB in the beginning and 266.3 MB in the end (delta: 161.5 MB). Free memory was 52.2 MB in the beginning and 160.1 MB in the end (delta: -107.9 MB). Peak memory consumption was 97.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4821.84 ms. Allocated memory is still 266.3 MB. Free memory was 160.1 MB in the beginning and 133.7 MB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.29 ms. Allocated memory is still 266.3 MB. Free memory is still 133.7 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 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.0s. Büchi inclusion checks took 1.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1032 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 541 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5765 SDtfs, 5264 SDslu, 7727 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 95ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 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...