./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product07.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_3f5c142b-9ece-405f-a803-354232b09961/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3f5c142b-9ece-405f-a803-354232b09961/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3f5c142b-9ece-405f-a803-354232b09961/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3f5c142b-9ece-405f-a803-354232b09961/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product07.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3f5c142b-9ece-405f-a803-354232b09961/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3f5c142b-9ece-405f-a803-354232b09961/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 30f494416a796abbf2c8eefee6e87a7fdcd01801 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:08:59,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:08:59,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:08:59,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:08:59,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:08:59,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:08:59,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:08:59,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:08:59,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:08:59,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:08:59,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:08:59,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:08:59,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:08:59,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:08:59,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:08:59,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:08:59,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:08:59,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:08:59,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:08:59,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:08:59,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:08:59,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:08:59,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:08:59,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:08:59,957 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:08:59,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:08:59,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:08:59,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:08:59,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:08:59,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:08:59,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:08:59,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:08:59,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:08:59,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:08:59,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:08:59,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:08:59,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:08:59,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:08:59,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:08:59,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:08:59,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:08:59,985 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3f5c142b-9ece-405f-a803-354232b09961/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 03:09:00,041 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:09:00,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:09:00,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:09:00,044 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:09:00,044 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:09:00,044 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:09:00,045 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:09:00,045 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:09:00,045 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:09:00,045 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:09:00,047 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:09:00,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:09:00,047 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:09:00,048 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:09:00,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:09:00,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:09:00,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:09:00,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:09:00,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:09:00,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:09:00,049 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:09:00,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:09:00,050 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:09:00,050 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:09:00,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:09:00,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:09:00,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:09:00,051 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:09:00,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:09:00,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:09:00,054 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:09:00,054 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:09:00,056 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:09:00,056 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_3f5c142b-9ece-405f-a803-354232b09961/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3f5c142b-9ece-405f-a803-354232b09961/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30f494416a796abbf2c8eefee6e87a7fdcd01801 [2020-11-28 03:09:00,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:09:00,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:09:00,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:09:00,460 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:09:00,461 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:09:00,462 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3f5c142b-9ece-405f-a803-354232b09961/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec11_product07.cil.c [2020-11-28 03:09:00,536 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3f5c142b-9ece-405f-a803-354232b09961/bin/uautomizer/data/4365164d1/334532a165664334b79818602ac63664/FLAG2d1aa36f6 [2020-11-28 03:09:01,276 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:09:01,277 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3f5c142b-9ece-405f-a803-354232b09961/sv-benchmarks/c/product-lines/email_spec11_product07.cil.c [2020-11-28 03:09:01,322 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3f5c142b-9ece-405f-a803-354232b09961/bin/uautomizer/data/4365164d1/334532a165664334b79818602ac63664/FLAG2d1aa36f6 [2020-11-28 03:09:01,431 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3f5c142b-9ece-405f-a803-354232b09961/bin/uautomizer/data/4365164d1/334532a165664334b79818602ac63664 [2020-11-28 03:09:01,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:09:01,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:09:01,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:09:01,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:09:01,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:09:01,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:09:01" (1/1) ... [2020-11-28 03:09:01,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59aff389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:01, skipping insertion in model container [2020-11-28 03:09:01,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:09:01" (1/1) ... [2020-11-28 03:09:01,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:09:01,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:09:02,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:09:02,141 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:09:02,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:09:02,426 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:09:02,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:02 WrapperNode [2020-11-28 03:09:02,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:09:02,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:09:02,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:09:02,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:09:02,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:02" (1/1) ... [2020-11-28 03:09:02,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:02" (1/1) ... [2020-11-28 03:09:02,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:09:02,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:09:02,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:09:02,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:09:02,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:02" (1/1) ... [2020-11-28 03:09:02,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:02" (1/1) ... [2020-11-28 03:09:02,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:02" (1/1) ... [2020-11-28 03:09:02,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:02" (1/1) ... [2020-11-28 03:09:02,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:02" (1/1) ... [2020-11-28 03:09:02,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:02" (1/1) ... [2020-11-28 03:09:02,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:02" (1/1) ... [2020-11-28 03:09:02,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:09:02,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:09:02,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:09:02,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:09:02,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f5c142b-9ece-405f-a803-354232b09961/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 03:09:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-11-28 03:09:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:09:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:09:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:09:02,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:09:04,884 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:09:04,885 INFO L298 CfgBuilder]: Removed 293 assume(true) statements. [2020-11-28 03:09:04,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:04 BoogieIcfgContainer [2020-11-28 03:09:04,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:09:04,890 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:09:04,890 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:09:04,894 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:09:04,896 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:09:04,896 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:09:01" (1/3) ... [2020-11-28 03:09:04,897 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a38c322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:09:04, skipping insertion in model container [2020-11-28 03:09:04,899 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:09:04,899 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:02" (2/3) ... [2020-11-28 03:09:04,899 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a38c322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:09:04, skipping insertion in model container [2020-11-28 03:09:04,900 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:09:04,900 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:04" (3/3) ... [2020-11-28 03:09:04,902 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec11_product07.cil.c [2020-11-28 03:09:04,962 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:09:04,963 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:09:04,963 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:09:04,963 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:09:04,963 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:09:04,963 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:09:04,963 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:09:04,963 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:09:04,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 353 states. [2020-11-28 03:09:05,041 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2020-11-28 03:09:05,041 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:09:05,042 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:09:05,051 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:05,051 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-28 03:09:05,051 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:09:05,052 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 353 states. [2020-11-28 03:09:05,083 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2020-11-28 03:09:05,083 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:09:05,083 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:09:05,084 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:05,085 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-28 03:09:05,091 INFO L794 eck$LassoCheckResult]: Stem: 132#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~string9.base, #t~string9.offset := #Ultimate.allocOnStack(44);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(44);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(9);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(11);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(10);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(34);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(16);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(22);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(10);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(12);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(10);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(18);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(30);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(9);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(21);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(30);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(9);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(21);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(30);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(9);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(25);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(30);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(9);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(25);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(20);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string106.base, #t~string106.offset, 1);call write~init~int(115, #t~string106.base, 1 + #t~string106.offset, 1);call write~init~int(10, #t~string106.base, 2 + #t~string106.offset, 1);call write~init~int(0, #t~string106.base, 3 + #t~string106.offset, 1);~__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;~__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;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 15#L-1true havoc main_#res;havoc main_#t~nondet22, main_#t~ret23, main_~retValue_acc~28, main_~tmp~3;main_~retValue_acc~28 := main_#t~nondet22;havoc main_#t~nondet22;havoc main_~tmp~3; 307#L1990true havoc valid_product_#res;havoc valid_product_~retValue_acc~37;havoc valid_product_~retValue_acc~37;valid_product_~retValue_acc~37 := 1;valid_product_#res := valid_product_~retValue_acc~37; 144#L1998true main_#t~ret23 := valid_product_#res;main_~tmp~3 := main_#t~ret23;havoc main_#t~ret23; 209#L1664true assume 0 != main_~tmp~3;havoc setup_#t~nondet17, setup_#t~nondet19, setup_#t~nondet21, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;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; 346#L1516true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 315#L1522-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string16.base, #t~string16.offset;havoc setup_#t~nondet17;~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; 350#L1516-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 292#L1522-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string18.base, #t~string18.offset;havoc setup_#t~nondet19;~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; 329#L1516-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 303#L1522-8true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string20.base, #t~string20.offset;havoc setup_#t~nondet21; 160#L1651true havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, 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~12, test_~tmp___0~3, test_~tmp___1~3, test_~tmp___2~2, 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~12;havoc test_~tmp___0~3;havoc test_~tmp___1~3;havoc test_~tmp___2~2;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; 237#L2170-1true [2020-11-28 03:09:05,091 INFO L796 eck$LassoCheckResult]: Loop: 237#L2170-1true assume !false; 272#L2043true assume test_~splverifierCounter~0 < 4; 204#L2044true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 341#L2050true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet57;havoc test_#t~nondet57; 271#L2054true assume 0 != test_~tmp___9~0;test_~op1~0 := 1; 237#L2170-1true [2020-11-28 03:09:05,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:05,103 INFO L82 PathProgramCache]: Analyzing trace with hash -580026000, now seen corresponding path program 1 times [2020-11-28 03:09:05,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:05,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398709536] [2020-11-28 03:09:05,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:05,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:05,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398709536] [2020-11-28 03:09:05,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:05,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:09:05,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215812338] [2020-11-28 03:09:05,553 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:09:05,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:05,556 INFO L82 PathProgramCache]: Analyzing trace with hash 103192148, now seen corresponding path program 1 times [2020-11-28 03:09:05,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:05,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806295142] [2020-11-28 03:09:05,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:05,586 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:05,601 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:05,646 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:09:05,716 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:09:05,723 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:09:05,723 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:09:05,723 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:09:05,724 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:09:05,724 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:05,724 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:09:05,724 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:09:05,725 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product07.cil.c_Iteration1_Loop [2020-11-28 03:09:05,725 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:09:05,725 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:09:05,754 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 03:09:05,768 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 03:09:05,778 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 03:09:05,897 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:09:05,901 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f5c142b-9ece-405f-a803-354232b09961/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 03:09:05,929 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:09:05,929 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_3f5c142b-9ece-405f-a803-354232b09961/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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:06,060 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:09:06,061 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:09:06,074 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:09:06,115 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:09:06,115 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:09:06,116 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:09:06,116 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:09:06,116 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:09:06,116 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:06,116 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:09:06,116 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:09:06,116 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product07.cil.c_Iteration1_Loop [2020-11-28 03:09:06,116 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:09:06,117 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:09:06,118 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 03:09:06,133 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 03:09:06,168 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 03:09:06,288 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:09:06,292 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f5c142b-9ece-405f-a803-354232b09961/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:06,300 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 03:09:06,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:06,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:09:06,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:06,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:06,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:06,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:09:06,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:09:06,320 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:09:06,370 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:09:06,370 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_3f5c142b-9ece-405f-a803-354232b09961/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) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:06,407 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:09:06,407 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:09:06,408 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:09:06,408 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] [2020-11-28 03:09:06,454 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:09:06,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:06,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:09:06,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:09:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:06,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:09:06,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:09:06,833 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 03:09:06,852 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 03:09:06,854 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 353 states. Second operand 4 states. [2020-11-28 03:09:07,224 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 353 states.. Second operand 4 states. Result 1602 states and 2707 transitions. Complement of second has 7 states. [2020-11-28 03:09:07,225 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 03:09:07,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:09:07,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1591 transitions. [2020-11-28 03:09:07,238 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1591 transitions. Stem has 12 letters. Loop has 5 letters. [2020-11-28 03:09:07,239 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:09:07,240 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1591 transitions. Stem has 17 letters. Loop has 5 letters. [2020-11-28 03:09:07,240 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:09:07,240 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1591 transitions. Stem has 12 letters. Loop has 10 letters. [2020-11-28 03:09:07,241 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:09:07,241 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1602 states and 2707 transitions. [2020-11-28 03:09:07,283 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 143 [2020-11-28 03:09:07,301 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1602 states to 307 states and 563 transitions. [2020-11-28 03:09:07,302 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 162 [2020-11-28 03:09:07,304 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 163 [2020-11-28 03:09:07,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 307 states and 563 transitions. [2020-11-28 03:09:07,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:09:07,309 INFO L691 BuchiCegarLoop]: Abstraction has 307 states and 563 transitions. [2020-11-28 03:09:07,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states and 563 transitions. [2020-11-28 03:09:07,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 164. [2020-11-28 03:09:07,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-11-28 03:09:07,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 298 transitions. [2020-11-28 03:09:07,359 INFO L714 BuchiCegarLoop]: Abstraction has 164 states and 298 transitions. [2020-11-28 03:09:07,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:07,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:09:07,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:09:07,367 INFO L87 Difference]: Start difference. First operand 164 states and 298 transitions. Second operand 3 states. [2020-11-28 03:09:07,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:07,431 INFO L93 Difference]: Finished difference Result 312 states and 568 transitions. [2020-11-28 03:09:07,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:09:07,432 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 312 states and 568 transitions. [2020-11-28 03:09:07,436 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2020-11-28 03:09:07,440 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 312 states to 312 states and 568 transitions. [2020-11-28 03:09:07,440 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 166 [2020-11-28 03:09:07,441 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 166 [2020-11-28 03:09:07,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 312 states and 568 transitions. [2020-11-28 03:09:07,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:09:07,441 INFO L691 BuchiCegarLoop]: Abstraction has 312 states and 568 transitions. [2020-11-28 03:09:07,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states and 568 transitions. [2020-11-28 03:09:07,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 163. [2020-11-28 03:09:07,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-11-28 03:09:07,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 294 transitions. [2020-11-28 03:09:07,454 INFO L714 BuchiCegarLoop]: Abstraction has 163 states and 294 transitions. [2020-11-28 03:09:07,454 INFO L594 BuchiCegarLoop]: Abstraction has 163 states and 294 transitions. [2020-11-28 03:09:07,454 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:09:07,454 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 163 states and 294 transitions. [2020-11-28 03:09:07,456 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2020-11-28 03:09:07,456 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:09:07,456 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:09:07,457 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:07,457 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:07,458 INFO L794 eck$LassoCheckResult]: Stem: 2584#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~string9.base, #t~string9.offset := #Ultimate.allocOnStack(44);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(44);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(9);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(11);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(10);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(34);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(16);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(22);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(10);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(12);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(10);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(18);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(30);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(9);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(21);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(30);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(9);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(21);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(30);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(9);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(25);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(30);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(9);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(25);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(20);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string106.base, #t~string106.offset, 1);call write~init~int(115, #t~string106.base, 1 + #t~string106.offset, 1);call write~init~int(10, #t~string106.base, 2 + #t~string106.offset, 1);call write~init~int(0, #t~string106.base, 3 + #t~string106.offset, 1);~__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;~__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;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 2521#L-1 havoc main_#res;havoc main_#t~nondet22, main_#t~ret23, main_~retValue_acc~28, main_~tmp~3;main_~retValue_acc~28 := main_#t~nondet22;havoc main_#t~nondet22;havoc main_~tmp~3; 2522#L1990 havoc valid_product_#res;havoc valid_product_~retValue_acc~37;havoc valid_product_~retValue_acc~37;valid_product_~retValue_acc~37 := 1;valid_product_#res := valid_product_~retValue_acc~37; 2595#L1998 main_#t~ret23 := valid_product_#res;main_~tmp~3 := main_#t~ret23;havoc main_#t~ret23; 2573#L1664 assume 0 != main_~tmp~3;havoc setup_#t~nondet17, setup_#t~nondet19, setup_#t~nondet21, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;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; 2574#L1516 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 2594#L1522-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string16.base, #t~string16.offset;havoc setup_#t~nondet17;~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; 2622#L1516-2 assume !(1 == setClientId_~handle); 2635#L1519-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 2549#L1522-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string18.base, #t~string18.offset;havoc setup_#t~nondet19;~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; 2550#L1516-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 2560#L1522-8 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string20.base, #t~string20.offset;havoc setup_#t~nondet21; 2581#L1651 havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, 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~12, test_~tmp___0~3, test_~tmp___1~3, test_~tmp___2~2, 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~12;havoc test_~tmp___0~3;havoc test_~tmp___1~3;havoc test_~tmp___2~2;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; 2649#L2170-1 assume !false; 2633#L2043 [2020-11-28 03:09:07,458 INFO L796 eck$LassoCheckResult]: Loop: 2633#L2043 assume test_~splverifierCounter~0 < 4; 2533#L2044 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 2534#L2050 assume !(0 == test_~op1~0); 2641#L2060 assume !(0 == test_~op2~0); 2616#L2074 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet59;havoc test_#t~nondet59; 2617#L2079 assume 0 != test_~tmp___7~0;test_~op3~0 := 1; 2591#L2170-1 assume !false; 2633#L2043 [2020-11-28 03:09:07,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:07,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1897365039, now seen corresponding path program 1 times [2020-11-28 03:09:07,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:07,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438631374] [2020-11-28 03:09:07,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:07,552 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 03:09:07,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438631374] [2020-11-28 03:09:07,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:07,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:09:07,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36859915] [2020-11-28 03:09:07,554 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:09:07,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:07,554 INFO L82 PathProgramCache]: Analyzing trace with hash -235666265, now seen corresponding path program 1 times [2020-11-28 03:09:07,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:07,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912445371] [2020-11-28 03:09:07,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:07,563 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:09:07,568 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:09:07,577 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:09:07,651 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:09:07,651 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:09:07,651 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:09:07,651 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:09:07,651 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:09:07,651 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:07,651 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:09:07,651 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:09:07,652 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product07.cil.c_Iteration2_Loop [2020-11-28 03:09:07,652 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:09:07,652 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:09:07,653 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 03:09:07,660 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 03:09:07,664 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 03:09:07,671 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 03:09:07,677 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 03:09:07,802 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:09:07,802 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f5c142b-9ece-405f-a803-354232b09961/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) [2020-11-28 03:09:07,806 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:09:07,807 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:07,815 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:09:07,815 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___7~0=2, ULTIMATE.start_test_#t~nondet59=2} Honda state: {ULTIMATE.start_test_~tmp___7~0=2, ULTIMATE.start_test_#t~nondet59=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f5c142b-9ece-405f-a803-354232b09961/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) [2020-11-28 03:09:07,859 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:09:07,859 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 [2020-11-28 03:09:07,865 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:09:07,865 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=-5} Honda state: {ULTIMATE.start_test_~op1~0=-5} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f5c142b-9ece-405f-a803-354232b09961/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) [2020-11-28 03:09:07,916 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:09:07,916 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f5c142b-9ece-405f-a803-354232b09961/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 03:09:07,973 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:09:07,973 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:08,018 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:09:08,021 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:09:08,021 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:09:08,021 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:09:08,021 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:09:08,021 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:09:08,021 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:08,021 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:09:08,021 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:09:08,021 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product07.cil.c_Iteration2_Loop [2020-11-28 03:09:08,022 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:09:08,022 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:09:08,023 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 03:09:08,037 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 03:09:08,048 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 03:09:08,054 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 03:09:08,063 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 03:09:08,202 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:09:08,202 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f5c142b-9ece-405f-a803-354232b09961/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) [2020-11-28 03:09:08,208 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 03:09:08,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:08,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:09:08,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:08,210 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 03:09:08,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:08,212 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:09:08,213 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 [2020-11-28 03:09:08,218 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f5c142b-9ece-405f-a803-354232b09961/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) [2020-11-28 03:09:08,270 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 03:09:08,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:09:08,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:09:08,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:09:08,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:09:08,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:09:08,274 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:09:08,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:08,278 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:09:08,281 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:09:08,282 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_3f5c142b-9ece-405f-a803-354232b09961/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:09:08,290 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:09:08,290 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:09:08,290 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:09:08,291 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:09:08,331 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:09:08,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:08,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:09:08,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:09:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:08,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:09:08,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:09:08,655 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 03:09:08,656 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 03:09:08,656 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 163 states and 294 transitions. cyclomatic complexity: 133 Second operand 4 states. [2020-11-28 03:09:08,673 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 163 states and 294 transitions. cyclomatic complexity: 133. Second operand 4 states. Result 311 states and 568 transitions. Complement of second has 6 states. [2020-11-28 03:09:08,673 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 03:09:08,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:09:08,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 159 transitions. [2020-11-28 03:09:08,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 159 transitions. Stem has 14 letters. Loop has 7 letters. [2020-11-28 03:09:08,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:09:08,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 159 transitions. Stem has 21 letters. Loop has 7 letters. [2020-11-28 03:09:08,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:09:08,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 159 transitions. Stem has 14 letters. Loop has 14 letters. [2020-11-28 03:09:08,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:09:08,676 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 311 states and 568 transitions. [2020-11-28 03:09:08,680 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:09:08,680 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 311 states to 0 states and 0 transitions. [2020-11-28 03:09:08,680 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:09:08,680 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:09:08,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:09:08,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:09:08,681 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:09:08,681 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:09:08,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:08,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:09:08,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:09:08,682 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-11-28 03:09:08,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:08,682 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-11-28 03:09:08,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:09:08,682 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-11-28 03:09:08,683 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:09:08,683 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:09:08,683 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:09:08,683 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:09:08,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:09:08,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:09:08,683 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:09:08,684 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:09:08,684 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:09:08,684 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:09:08,684 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:09:08,684 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:09:08,684 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:09:08,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:09:08 BoogieIcfgContainer [2020-11-28 03:09:08,690 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:09:08,691 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:09:08,691 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:09:08,691 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:09:08,691 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:04" (3/4) ... [2020-11-28 03:09:08,694 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:09:08,694 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:09:08,696 INFO L168 Benchmark]: Toolchain (without parser) took 7260.54 ms. Allocated memory was 96.5 MB in the beginning and 159.4 MB in the end (delta: 62.9 MB). Free memory was 69.1 MB in the beginning and 110.4 MB in the end (delta: -41.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:08,697 INFO L168 Benchmark]: CDTParser took 0.94 ms. Allocated memory is still 79.7 MB. Free memory is still 50.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:09:08,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 977.61 ms. Allocated memory is still 96.5 MB. Free memory was 69.1 MB in the beginning and 68.2 MB in the end (delta: 854.2 kB). Peak memory consumption was 52.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:08,699 INFO L168 Benchmark]: Boogie Procedure Inliner took 152.20 ms. Allocated memory is still 96.5 MB. Free memory was 67.8 MB in the beginning and 60.3 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:08,701 INFO L168 Benchmark]: Boogie Preprocessor took 114.34 ms. Allocated memory is still 96.5 MB. Free memory was 60.3 MB in the beginning and 54.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:08,706 INFO L168 Benchmark]: RCFGBuilder took 2190.05 ms. Allocated memory was 96.5 MB in the beginning and 132.1 MB in the end (delta: 35.7 MB). Free memory was 54.4 MB in the beginning and 98.9 MB in the end (delta: -44.5 MB). Peak memory consumption was 52.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:08,707 INFO L168 Benchmark]: BuchiAutomizer took 3800.02 ms. Allocated memory was 132.1 MB in the beginning and 159.4 MB in the end (delta: 27.3 MB). Free memory was 97.9 MB in the beginning and 110.4 MB in the end (delta: -12.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:08,707 INFO L168 Benchmark]: Witness Printer took 3.76 ms. Allocated memory is still 159.4 MB. Free memory is still 110.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:09:08,715 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94 ms. Allocated memory is still 79.7 MB. Free memory is still 50.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 977.61 ms. Allocated memory is still 96.5 MB. Free memory was 69.1 MB in the beginning and 68.2 MB in the end (delta: 854.2 kB). Peak memory consumption was 52.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 152.20 ms. Allocated memory is still 96.5 MB. Free memory was 67.8 MB in the beginning and 60.3 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 114.34 ms. Allocated memory is still 96.5 MB. Free memory was 60.3 MB in the beginning and 54.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2190.05 ms. Allocated memory was 96.5 MB in the beginning and 132.1 MB in the end (delta: 35.7 MB). Free memory was 54.4 MB in the beginning and 98.9 MB in the end (delta: -44.5 MB). Peak memory consumption was 52.0 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3800.02 ms. Allocated memory was 132.1 MB in the beginning and 159.4 MB in the end (delta: 27.3 MB). Free memory was 97.9 MB in the beginning and 110.4 MB in the end (delta: -12.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Witness Printer took 3.76 ms. Allocated memory is still 159.4 MB. Free memory is still 110.4 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 3.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 292 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 163 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1585 SDtfs, 1432 SDslu, 2061 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: 15ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...