./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ea507a6a-de50-4335-a792-fb6748f17a47/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ea507a6a-de50-4335-a792-fb6748f17a47/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ea507a6a-de50-4335-a792-fb6748f17a47/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ea507a6a-de50-4335-a792-fb6748f17a47/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product03.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ea507a6a-de50-4335-a792-fb6748f17a47/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ea507a6a-de50-4335-a792-fb6748f17a47/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 13ebf7a23e8d3aae9476b8149d5c7997a6623274 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:49:52,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:49:52,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:49:52,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:49:52,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:49:52,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:49:52,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:49:52,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:49:52,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:49:52,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:49:52,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:49:52,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:49:52,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:49:52,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:49:52,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:49:52,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:49:52,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:49:52,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:49:52,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:49:52,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:49:52,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:49:52,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:49:52,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:49:52,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:49:52,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:49:52,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:49:52,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:49:52,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:49:52,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:49:52,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:49:52,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:49:52,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:49:52,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:49:52,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:49:52,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:49:52,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:49:52,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:49:52,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:49:52,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:49:52,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:49:52,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:49:52,237 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ea507a6a-de50-4335-a792-fb6748f17a47/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-12-01 15:49:52,265 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:49:52,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:49:52,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:49:52,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:49:52,272 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:49:52,273 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-12-01 15:49:52,273 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-12-01 15:49:52,273 INFO L138 SettingsManager]: * Use old map elimination=false [2020-12-01 15:49:52,273 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-12-01 15:49:52,274 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-12-01 15:49:52,275 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-12-01 15:49:52,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:49:52,276 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:49:52,276 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 15:49:52,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:49:52,276 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:49:52,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:49:52,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-12-01 15:49:52,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-12-01 15:49:52,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-12-01 15:49:52,278 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:49:52,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:49:52,278 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-12-01 15:49:52,278 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:49:52,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-12-01 15:49:52,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:49:52,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:49:52,280 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-12-01 15:49:52,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:49:52,282 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:49:52,282 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:49:52,282 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-12-01 15:49:52,285 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-12-01 15:49:52,285 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_ea507a6a-de50-4335-a792-fb6748f17a47/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ea507a6a-de50-4335-a792-fb6748f17a47/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13ebf7a23e8d3aae9476b8149d5c7997a6623274 [2020-12-01 15:49:52,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:49:52,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:49:52,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:49:52,635 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:49:52,636 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:49:52,637 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ea507a6a-de50-4335-a792-fb6748f17a47/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec11_product03.cil.c [2020-12-01 15:49:52,753 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ea507a6a-de50-4335-a792-fb6748f17a47/bin/uautomizer/data/3bab4bb43/c77ca257c5ed48c4b3f4f3b081bd4ed2/FLAG44ed44b61 [2020-12-01 15:49:53,441 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:49:53,442 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ea507a6a-de50-4335-a792-fb6748f17a47/sv-benchmarks/c/product-lines/email_spec11_product03.cil.c [2020-12-01 15:49:53,464 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ea507a6a-de50-4335-a792-fb6748f17a47/bin/uautomizer/data/3bab4bb43/c77ca257c5ed48c4b3f4f3b081bd4ed2/FLAG44ed44b61 [2020-12-01 15:49:53,610 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ea507a6a-de50-4335-a792-fb6748f17a47/bin/uautomizer/data/3bab4bb43/c77ca257c5ed48c4b3f4f3b081bd4ed2 [2020-12-01 15:49:53,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:49:53,615 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:49:53,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:49:53,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:49:53,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:49:53,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:49:53" (1/1) ... [2020-12-01 15:49:53,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d434a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:49:53, skipping insertion in model container [2020-12-01 15:49:53,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:49:53" (1/1) ... [2020-12-01 15:49:53,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:49:53,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:49:54,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:49:54,456 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:49:54,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:49:54,630 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:49:54,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:49:54 WrapperNode [2020-12-01 15:49:54,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:49:54,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:49:54,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:49:54,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:49:54,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:49:54" (1/1) ... [2020-12-01 15:49:54,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:49:54" (1/1) ... [2020-12-01 15:49:54,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:49:54,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:49:54,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:49:54,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:49:54,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:49:54" (1/1) ... [2020-12-01 15:49:54,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:49:54" (1/1) ... [2020-12-01 15:49:54,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:49:54" (1/1) ... [2020-12-01 15:49:54,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:49:54" (1/1) ... [2020-12-01 15:49:54,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:49:54" (1/1) ... [2020-12-01 15:49:54,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:49:54" (1/1) ... [2020-12-01 15:49:54,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:49:54" (1/1) ... [2020-12-01 15:49:54,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:49:54,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:49:54,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:49:54,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:49:54,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:49:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ea507a6a-de50-4335-a792-fb6748f17a47/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 [2020-12-01 15:49:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-01 15:49:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:49:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:49:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:49:54,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:49:56,325 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:49:56,325 INFO L298 CfgBuilder]: Removed 115 assume(true) statements. [2020-12-01 15:49:56,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:49:56 BoogieIcfgContainer [2020-12-01 15:49:56,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:49:56,328 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-12-01 15:49:56,328 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-12-01 15:49:56,335 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-12-01 15:49:56,335 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:49:56,336 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 03:49:53" (1/3) ... [2020-12-01 15:49:56,337 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a7e661c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:49:56, skipping insertion in model container [2020-12-01 15:49:56,337 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:49:56,337 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:49:54" (2/3) ... [2020-12-01 15:49:56,338 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a7e661c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:49:56, skipping insertion in model container [2020-12-01 15:49:56,338 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:49:56,338 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:49:56" (3/3) ... [2020-12-01 15:49:56,341 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec11_product03.cil.c [2020-12-01 15:49:56,399 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-12-01 15:49:56,399 INFO L360 BuchiCegarLoop]: Hoare is false [2020-12-01 15:49:56,400 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-12-01 15:49:56,400 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:49:56,400 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:49:56,400 INFO L364 BuchiCegarLoop]: Difference is false [2020-12-01 15:49:56,400 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:49:56,400 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-12-01 15:49:56,416 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states. [2020-12-01 15:49:56,446 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2020-12-01 15:49:56,446 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:49:56,446 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:49:56,455 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:49:56,455 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-12-01 15:49:56,455 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-12-01 15:49:56,456 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states. [2020-12-01 15:49:56,466 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2020-12-01 15:49:56,466 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:49:56,466 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:49:56,467 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:49:56,467 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-12-01 15:49:56,474 INFO L794 eck$LassoCheckResult]: Stem: 96#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(29);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(44);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(44);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(9);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(9);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(11);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(10);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(16);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(22);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(20);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string49.base, #t~string49.offset, 1);call write~init~int(115, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(10, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 3 + #t~string49.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(21);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(21);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(30);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(9);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(25);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(30);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(9);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(25);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(10);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(12);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(10);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(18);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 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; 14#L-1true havoc main_#res;havoc main_#t~nondet20, main_#t~ret21, main_~retValue_acc~0, main_~tmp~1;main_~retValue_acc~0 := main_#t~nondet20;havoc main_#t~nondet20;havoc main_~tmp~1; 3#L409true 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; 28#L417true main_#t~ret21 := valid_product_#res;main_~tmp~1 := main_#t~ret21;havoc main_#t~ret21; 109#L173true assume 0 != main_~tmp~1;havoc setup_#t~nondet15, setup_#t~nondet17, setup_#t~nondet19, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 71#L2467true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 36#L2473-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string14.base, #t~string14.offset;havoc setup_#t~nondet15;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 75#L2467-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 25#L2473-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string16.base, #t~string16.offset;havoc setup_#t~nondet17;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 76#L2467-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 29#L2473-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string18.base, #t~string18.offset;havoc setup_#t~nondet19; 86#L160true havoc test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, 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~2, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 44#L359-1true [2020-12-01 15:49:56,474 INFO L796 eck$LassoCheckResult]: Loop: 44#L359-1true assume !false; 59#L235true assume test_~splverifierCounter~0 < 4; 120#L236true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 94#L242true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet22;havoc test_#t~nondet22; 61#L246true assume 0 != test_~tmp___9~0;test_~op1~0 := 1; 44#L359-1true [2020-12-01 15:49:56,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:49:56,481 INFO L82 PathProgramCache]: Analyzing trace with hash -580026000, now seen corresponding path program 1 times [2020-12-01 15:49:56,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:49:56,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650212462] [2020-12-01 15:49:56,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:49:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:49:56,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:49:56,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650212462] [2020-12-01 15:49:56,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:49:56,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:49:56,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126640642] [2020-12-01 15:49:56,873 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-12-01 15:49:56,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:49:56,878 INFO L82 PathProgramCache]: Analyzing trace with hash 103192148, now seen corresponding path program 1 times [2020-12-01 15:49:56,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:49:56,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045509765] [2020-12-01 15:49:56,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:49:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:49:56,945 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:49:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:49:56,952 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:49:56,986 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:49:57,066 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 15:49:57,067 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 15:49:57,067 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 15:49:57,067 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 15:49:57,068 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-12-01 15:49:57,068 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:49:57,068 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 15:49:57,068 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 15:49:57,069 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product03.cil.c_Iteration1_Loop [2020-12-01 15:49:57,069 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 15:49:57,069 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 15:49:57,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:49:57,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:49:57,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:49:57,213 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 15:49:57,214 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ea507a6a-de50-4335-a792-fb6748f17a47/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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:49:57,235 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-12-01 15:49:57,236 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ea507a6a-de50-4335-a792-fb6748f17a47/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) [2020-12-01 15:49:57,315 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-12-01 15:49:57,315 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 [2020-12-01 15:49:57,342 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-12-01 15:49:57,391 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 15:49:57,391 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 15:49:57,391 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 15:49:57,391 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 15:49:57,392 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 15:49:57,392 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:49:57,392 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 15:49:57,392 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 15:49:57,392 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product03.cil.c_Iteration1_Loop [2020-12-01 15:49:57,392 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 15:49:57,392 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 15:49:57,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:49:57,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:49:57,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:49:57,512 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 15:49:57,517 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ea507a6a-de50-4335-a792-fb6748f17a47/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) [2020-12-01 15:49:57,527 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 [2020-12-01 15:49:57,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:49:57,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:49:57,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:49:57,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:49:57,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:49:57,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:49:57,535 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 [2020-12-01 15:49:57,545 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-12-01 15:49:57,574 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-12-01 15:49:57,574 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_ea507a6a-de50-4335-a792-fb6748f17a47/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) [2020-12-01 15:49:57,593 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-12-01 15:49:57,593 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-12-01 15:49:57,594 INFO L510 LassoAnalysis]: Proved termination. [2020-12-01 15:49:57,594 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:49:57,618 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-12-01 15:49:57,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:49:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:49:57,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:49:57,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:49:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:49:57,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 15:49:57,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:49:58,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:49:58,056 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 [2020-12-01 15:49:58,058 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 118 states. Second operand 4 states. [2020-12-01 15:49:58,304 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 118 states.. Second operand 4 states. Result 486 states and 783 transitions. Complement of second has 7 states. [2020-12-01 15:49:58,307 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 [2020-12-01 15:49:58,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-12-01 15:49:58,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 463 transitions. [2020-12-01 15:49:58,320 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 463 transitions. Stem has 12 letters. Loop has 5 letters. [2020-12-01 15:49:58,321 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:49:58,321 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 463 transitions. Stem has 17 letters. Loop has 5 letters. [2020-12-01 15:49:58,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:49:58,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 463 transitions. Stem has 12 letters. Loop has 10 letters. [2020-12-01 15:49:58,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:49:58,323 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 486 states and 783 transitions. [2020-12-01 15:49:58,345 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2020-12-01 15:49:58,352 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 486 states to 135 states and 235 transitions. [2020-12-01 15:49:58,353 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 76 [2020-12-01 15:49:58,354 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 77 [2020-12-01 15:49:58,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 135 states and 235 transitions. [2020-12-01 15:49:58,356 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-12-01 15:49:58,356 INFO L692 BuchiCegarLoop]: Abstraction has 135 states and 235 transitions. [2020-12-01 15:49:58,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states and 235 transitions. [2020-12-01 15:49:58,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 78. [2020-12-01 15:49:58,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-12-01 15:49:58,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 134 transitions. [2020-12-01 15:49:58,392 INFO L715 BuchiCegarLoop]: Abstraction has 78 states and 134 transitions. [2020-12-01 15:49:58,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:49:58,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:49:58,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:49:58,398 INFO L87 Difference]: Start difference. First operand 78 states and 134 transitions. Second operand 3 states. [2020-12-01 15:49:58,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:49:58,438 INFO L93 Difference]: Finished difference Result 140 states and 240 transitions. [2020-12-01 15:49:58,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:49:58,439 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 140 states and 240 transitions. [2020-12-01 15:49:58,441 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2020-12-01 15:49:58,444 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 140 states to 140 states and 240 transitions. [2020-12-01 15:49:58,444 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 80 [2020-12-01 15:49:58,445 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 80 [2020-12-01 15:49:58,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 140 states and 240 transitions. [2020-12-01 15:49:58,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-12-01 15:49:58,445 INFO L692 BuchiCegarLoop]: Abstraction has 140 states and 240 transitions. [2020-12-01 15:49:58,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states and 240 transitions. [2020-12-01 15:49:58,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 77. [2020-12-01 15:49:58,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-12-01 15:49:58,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 130 transitions. [2020-12-01 15:49:58,452 INFO L715 BuchiCegarLoop]: Abstraction has 77 states and 130 transitions. [2020-12-01 15:49:58,452 INFO L595 BuchiCegarLoop]: Abstraction has 77 states and 130 transitions. [2020-12-01 15:49:58,453 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-12-01 15:49:58,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states and 130 transitions. [2020-12-01 15:49:58,454 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2020-12-01 15:49:58,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:49:58,454 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:49:58,455 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:49:58,455 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:49:58,455 INFO L794 eck$LassoCheckResult]: Stem: 976#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(29);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(44);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(44);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(9);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(9);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(11);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(10);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(16);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(22);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(20);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string49.base, #t~string49.offset, 1);call write~init~int(115, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(10, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 3 + #t~string49.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(21);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(21);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(30);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(9);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(25);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(30);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(9);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(25);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(10);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(12);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(10);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(18);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 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; 939#L-1 havoc main_#res;havoc main_#t~nondet20, main_#t~ret21, main_~retValue_acc~0, main_~tmp~1;main_~retValue_acc~0 := main_#t~nondet20;havoc main_#t~nondet20;havoc main_~tmp~1; 900#L409 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; 901#L417 main_#t~ret21 := valid_product_#res;main_~tmp~1 := main_#t~ret21;havoc main_#t~ret21; 968#L173 assume 0 != main_~tmp~1;havoc setup_#t~nondet15, setup_#t~nondet17, setup_#t~nondet19, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 969#L2467 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 966#L2473-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string14.base, #t~string14.offset;havoc setup_#t~nondet15;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 975#L2467-2 assume !(1 == setClientId_~handle); 902#L2470-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 903#L2473-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string16.base, #t~string16.offset;havoc setup_#t~nondet17;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 972#L2467-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 905#L2473-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string18.base, #t~string18.offset;havoc setup_#t~nondet19; 948#L160 havoc test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, 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~2, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 949#L359-1 assume !false; 954#L235 [2020-12-01 15:49:58,456 INFO L796 eck$LassoCheckResult]: Loop: 954#L235 assume test_~splverifierCounter~0 < 4; 955#L236 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 973#L242 assume !(0 == test_~op1~0); 911#L252 assume !(0 == test_~op2~0); 912#L266 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet24;havoc test_#t~nondet24; 940#L271 assume 0 != test_~tmp___7~0;test_~op3~0 := 1; 970#L359-1 assume !false; 954#L235 [2020-12-01 15:49:58,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:49:58,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1897365039, now seen corresponding path program 1 times [2020-12-01 15:49:58,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:49:58,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860555959] [2020-12-01 15:49:58,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:49:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:49:58,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:49:58,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860555959] [2020-12-01 15:49:58,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:49:58,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:49:58,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113637086] [2020-12-01 15:49:58,627 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-12-01 15:49:58,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:49:58,628 INFO L82 PathProgramCache]: Analyzing trace with hash -235666265, now seen corresponding path program 1 times [2020-12-01 15:49:58,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:49:58,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636595849] [2020-12-01 15:49:58,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:49:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:49:58,637 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:49:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:49:58,650 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:49:58,693 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:49:58,752 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 15:49:58,752 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 15:49:58,752 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 15:49:58,753 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 15:49:58,753 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-12-01 15:49:58,753 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:49:58,753 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 15:49:58,753 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 15:49:58,753 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product03.cil.c_Iteration2_Loop [2020-12-01 15:49:58,753 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 15:49:58,754 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 15:49:58,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:49:58,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:49:58,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:49:58,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:49:58,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:49:58,907 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 15:49:58,907 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ea507a6a-de50-4335-a792-fb6748f17a47/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 [2020-12-01 15:49:58,918 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-12-01 15:49:58,918 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-12-01 15:49:58,940 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-12-01 15:49:58,940 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=-1} Honda state: {ULTIMATE.start_test_~op1~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ea507a6a-de50-4335-a792-fb6748f17a47/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) [2020-12-01 15:49:58,988 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-12-01 15:49:58,988 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ea507a6a-de50-4335-a792-fb6748f17a47/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 [2020-12-01 15:49:59,033 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-12-01 15:49:59,033 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-12-01 15:49:59,080 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-12-01 15:49:59,082 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 15:49:59,082 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 15:49:59,082 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 15:49:59,082 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 15:49:59,082 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 15:49:59,083 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:49:59,083 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 15:49:59,083 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 15:49:59,083 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product03.cil.c_Iteration2_Loop [2020-12-01 15:49:59,083 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 15:49:59,083 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 15:49:59,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:49:59,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:49:59,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:49:59,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:49:59,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:49:59,248 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 15:49:59,248 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ea507a6a-de50-4335-a792-fb6748f17a47/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) [2020-12-01 15:49:59,259 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 [2020-12-01 15:49:59,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:49:59,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:49:59,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:49:59,261 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-12-01 15:49:59,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:49:59,263 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-12-01 15:49:59,263 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 [2020-12-01 15:49:59,274 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ea507a6a-de50-4335-a792-fb6748f17a47/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) [2020-12-01 15:49:59,318 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 [2020-12-01 15:49:59,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:49:59,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:49:59,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:49:59,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:49:59,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:49:59,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:49:59,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:49:59,339 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-12-01 15:49:59,343 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-12-01 15:49:59,343 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_ea507a6a-de50-4335-a792-fb6748f17a47/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:49:59,350 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-12-01 15:49:59,350 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-12-01 15:49:59,350 INFO L510 LassoAnalysis]: Proved termination. [2020-12-01 15:49:59,351 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:49:59,385 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-12-01 15:49:59,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:49:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:49:59,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:49:59,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:49:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:49:59,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 15:49:59,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:49:59,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:49:59,754 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 [2020-12-01 15:49:59,754 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 77 states and 130 transitions. cyclomatic complexity: 55 Second operand 4 states. [2020-12-01 15:49:59,779 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 77 states and 130 transitions. cyclomatic complexity: 55. Second operand 4 states. Result 139 states and 240 transitions. Complement of second has 6 states. [2020-12-01 15:49:59,780 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 [2020-12-01 15:49:59,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-12-01 15:49:59,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 77 transitions. [2020-12-01 15:49:59,781 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 77 transitions. Stem has 14 letters. Loop has 7 letters. [2020-12-01 15:49:59,782 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:49:59,782 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 77 transitions. Stem has 21 letters. Loop has 7 letters. [2020-12-01 15:49:59,783 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:49:59,783 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 77 transitions. Stem has 14 letters. Loop has 14 letters. [2020-12-01 15:49:59,784 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:49:59,785 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 139 states and 240 transitions. [2020-12-01 15:49:59,789 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 15:49:59,790 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 139 states to 0 states and 0 transitions. [2020-12-01 15:49:59,790 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-12-01 15:49:59,790 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-12-01 15:49:59,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-12-01 15:49:59,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 15:49:59,791 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:49:59,791 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:49:59,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:49:59,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:49:59,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:49:59,793 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-12-01 15:49:59,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:49:59,793 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-12-01 15:49:59,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 15:49:59,794 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-12-01 15:49:59,794 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 15:49:59,794 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:49:59,794 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-12-01 15:49:59,794 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-12-01 15:49:59,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-12-01 15:49:59,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 15:49:59,795 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:49:59,795 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:49:59,795 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:49:59,795 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-12-01 15:49:59,795 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:49:59,795 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 15:49:59,796 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-12-01 15:49:59,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 03:49:59 BoogieIcfgContainer [2020-12-01 15:49:59,801 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-12-01 15:49:59,804 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:49:59,804 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:49:59,805 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:49:59,805 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:49:56" (3/4) ... [2020-12-01 15:49:59,808 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 15:49:59,808 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:49:59,810 INFO L168 Benchmark]: Toolchain (without parser) took 6193.52 ms. Allocated memory was 86.0 MB in the beginning and 153.1 MB in the end (delta: 67.1 MB). Free memory was 53.1 MB in the beginning and 108.7 MB in the end (delta: -55.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:49:59,811 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory is still 45.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:49:59,813 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1013.65 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 52.9 MB in the beginning and 58.4 MB in the end (delta: -5.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 15:49:59,813 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.50 ms. Allocated memory is still 111.1 MB. Free memory was 58.4 MB in the beginning and 54.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:49:59,816 INFO L168 Benchmark]: Boogie Preprocessor took 54.94 ms. Allocated memory is still 111.1 MB. Free memory was 54.2 MB in the beginning and 51.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:49:59,821 INFO L168 Benchmark]: RCFGBuilder took 1538.60 ms. Allocated memory is still 111.1 MB. Free memory was 51.2 MB in the beginning and 57.9 MB in the end (delta: -6.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. [2020-12-01 15:49:59,822 INFO L168 Benchmark]: BuchiAutomizer took 3473.20 ms. Allocated memory was 111.1 MB in the beginning and 153.1 MB in the end (delta: 41.9 MB). Free memory was 57.9 MB in the beginning and 108.7 MB in the end (delta: -50.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:49:59,822 INFO L168 Benchmark]: Witness Printer took 4.11 ms. Allocated memory is still 153.1 MB. Free memory is still 108.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:49:59,831 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory is still 45.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1013.65 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 52.9 MB in the beginning and 58.4 MB in the end (delta: -5.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.50 ms. Allocated memory is still 111.1 MB. Free memory was 58.4 MB in the beginning and 54.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.94 ms. Allocated memory is still 111.1 MB. Free memory was 54.2 MB in the beginning and 51.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1538.60 ms. Allocated memory is still 111.1 MB. Free memory was 51.2 MB in the beginning and 57.9 MB in the end (delta: -6.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3473.20 ms. Allocated memory was 111.1 MB in the beginning and 153.1 MB in the end (delta: 41.9 MB). Free memory was 57.9 MB in the beginning and 108.7 MB in the end (delta: -50.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.11 ms. Allocated memory is still 153.1 MB. Free memory is still 108.7 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 * op1 + 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 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 120 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 77 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 543 SDtfs, 472 SDslu, 621 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: inital27 mio100 ax100 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...