./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product14.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_b148108e-0ee7-4889-9436-bdcb3694dc56/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b148108e-0ee7-4889-9436-bdcb3694dc56/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b148108e-0ee7-4889-9436-bdcb3694dc56/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b148108e-0ee7-4889-9436-bdcb3694dc56/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b148108e-0ee7-4889-9436-bdcb3694dc56/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b148108e-0ee7-4889-9436-bdcb3694dc56/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 f02310474285c2d3c23910cff0b40904584ed9da .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:00:39,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:00:39,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:00:39,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:00:39,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:00:39,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:00:39,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:00:39,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:00:39,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:00:39,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:00:39,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:00:39,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:00:39,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:00:39,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:00:39,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:00:39,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:00:39,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:00:39,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:00:39,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:00:39,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:00:39,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:00:39,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:00:39,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:00:39,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:00:39,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:00:39,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:00:39,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:00:39,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:00:39,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:00:39,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:00:39,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:00:39,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:00:39,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:00:39,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:00:39,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:00:39,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:00:39,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:00:39,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:00:39,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:00:39,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:00:39,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:00:39,812 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b148108e-0ee7-4889-9436-bdcb3694dc56/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 03:00:39,838 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:00:39,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:00:39,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:00:39,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:00:39,840 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:00:39,840 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:00:39,840 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:00:39,841 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:00:39,841 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:00:39,841 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:00:39,841 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:00:39,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:00:39,841 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:00:39,842 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:00:39,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:00:39,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:00:39,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:00:39,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:00:39,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:00:39,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:00:39,843 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:00:39,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:00:39,843 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:00:39,844 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:00:39,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:00:39,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:00:39,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:00:39,844 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:00:39,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:00:39,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:00:39,845 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:00:39,845 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:00:39,846 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:00:39,846 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_b148108e-0ee7-4889-9436-bdcb3694dc56/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b148108e-0ee7-4889-9436-bdcb3694dc56/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f02310474285c2d3c23910cff0b40904584ed9da [2020-11-28 03:00:40,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:00:40,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:00:40,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:00:40,122 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:00:40,129 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:00:40,130 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b148108e-0ee7-4889-9436-bdcb3694dc56/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec9_product14.cil.c [2020-11-28 03:00:40,217 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b148108e-0ee7-4889-9436-bdcb3694dc56/bin/uautomizer/data/cfe7f7151/c8db4571cbc2429d8ca93de882c0e3f2/FLAGf2f1f6982 [2020-11-28 03:00:40,835 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:00:40,835 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b148108e-0ee7-4889-9436-bdcb3694dc56/sv-benchmarks/c/product-lines/email_spec9_product14.cil.c [2020-11-28 03:00:40,860 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b148108e-0ee7-4889-9436-bdcb3694dc56/bin/uautomizer/data/cfe7f7151/c8db4571cbc2429d8ca93de882c0e3f2/FLAGf2f1f6982 [2020-11-28 03:00:41,031 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b148108e-0ee7-4889-9436-bdcb3694dc56/bin/uautomizer/data/cfe7f7151/c8db4571cbc2429d8ca93de882c0e3f2 [2020-11-28 03:00:41,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:00:41,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:00:41,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:00:41,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:00:41,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:00:41,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:00:41" (1/1) ... [2020-11-28 03:00:41,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d4bdd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:41, skipping insertion in model container [2020-11-28 03:00:41,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:00:41" (1/1) ... [2020-11-28 03:00:41,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:00:41,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:00:41,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:00:41,694 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:00:41,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:00:41,954 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:00:41,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:41 WrapperNode [2020-11-28 03:00:41,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:00:41,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:00:41,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:00:41,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:00:41,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:41" (1/1) ... [2020-11-28 03:00:41,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:41" (1/1) ... [2020-11-28 03:00:42,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:00:42,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:00:42,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:00:42,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:00:42,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:41" (1/1) ... [2020-11-28 03:00:42,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:41" (1/1) ... [2020-11-28 03:00:42,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:41" (1/1) ... [2020-11-28 03:00:42,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:41" (1/1) ... [2020-11-28 03:00:42,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:41" (1/1) ... [2020-11-28 03:00:42,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:41" (1/1) ... [2020-11-28 03:00:42,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:41" (1/1) ... [2020-11-28 03:00:42,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:00:42,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:00:42,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:00:42,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:00:42,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b148108e-0ee7-4889-9436-bdcb3694dc56/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 03:00:42,426 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-11-28 03:00:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:00:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:00:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:00:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:00:45,472 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:00:45,474 INFO L298 CfgBuilder]: Removed 477 assume(true) statements. [2020-11-28 03:00:45,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:45 BoogieIcfgContainer [2020-11-28 03:00:45,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:00:45,479 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:00:45,479 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:00:45,482 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:00:45,483 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:00:45,483 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:00:41" (1/3) ... [2020-11-28 03:00:45,484 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@468b5f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:00:45, skipping insertion in model container [2020-11-28 03:00:45,485 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:00:45,485 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:41" (2/3) ... [2020-11-28 03:00:45,486 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@468b5f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:00:45, skipping insertion in model container [2020-11-28 03:00:45,487 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:00:45,487 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:45" (3/3) ... [2020-11-28 03:00:45,489 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec9_product14.cil.c [2020-11-28 03:00:45,542 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:00:45,542 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:00:45,542 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:00:45,542 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:00:45,542 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:00:45,543 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:00:45,543 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:00:45,543 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:00:45,578 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 766 states. [2020-11-28 03:00:45,638 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2020-11-28 03:00:45,639 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:00:45,639 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:00:45,648 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:45,648 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:00:45,649 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:00:45,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 766 states. [2020-11-28 03:00:45,671 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2020-11-28 03:00:45,675 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:00:45,676 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:00:45,681 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:45,681 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:00:45,687 INFO L794 eck$LassoCheckResult]: Stem: 545#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(44);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(44);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(9);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(9);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(11);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(19);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string26.base, #t~string26.offset, 1);call write~init~int(100, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(10, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string29.base, #t~string29.offset, 1);call write~init~int(100, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(10, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(17);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(17);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(17);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(10);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(34);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(16);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(20);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string82.base, #t~string82.offset, 1);call write~init~int(115, #t~string82.base, 1 + #t~string82.offset, 1);call write~init~int(10, #t~string82.base, 2 + #t~string82.offset, 1);call write~init~int(0, #t~string82.base, 3 + #t~string82.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(30);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(9);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(21);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(30);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(9);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(21);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(30);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(9);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(25);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(30);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(9);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(25);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(10);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(12);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(10);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(18);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(16);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(21);~__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;~in_encrypted~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__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; 442#L-1true havoc main_#res;havoc main_#t~nondet20, main_#t~ret21, main_~retValue_acc~0, main_~tmp~1;main_~retValue_acc~0 := main_#t~nondet20;havoc main_#t~nondet20;havoc main_~tmp~1; 657#L722true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 60#L730true main_#t~ret21 := valid_product_#res;main_~tmp~1 := main_#t~ret21;havoc main_#t~ret21; 44#L224true assume 0 != main_~tmp~1;havoc setup_#t~nondet15, setup_#t~nondet17, setup_#t~nondet19, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 458#L2487true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 182#L2493-2true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 24#L2052true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 588#L2058-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string14.base, #t~string14.offset;havoc setup_#t~nondet15;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 465#L2487-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 167#L2493-5true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 26#L2052-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 597#L2058-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string16.base, #t~string16.offset;havoc setup_#t~nondet17;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 443#L2487-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 175#L2493-8true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 32#L2052-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 574#L2058-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string18.base, #t~string18.offset;havoc setup_#t~nondet19; 402#L211true havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, 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~11, test_~tmp___0~5, 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~11;havoc test_~tmp___0~5;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; 669#L920-1true [2020-11-28 03:00:45,697 INFO L796 eck$LassoCheckResult]: Loop: 669#L920-1true assume !false; 14#L775true assume test_~splverifierCounter~0 < 4; 112#L776true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 525#L782true assume !(0 == test_~op1~0); 386#L795true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet72;havoc test_#t~nondet72; 608#L800true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 669#L920-1true [2020-11-28 03:00:45,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:45,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2020-11-28 03:00:45,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:45,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253039067] [2020-11-28 03:00:45,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:46,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:00:46,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253039067] [2020-11-28 03:00:46,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:00:46,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:00:46,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672313000] [2020-11-28 03:00:46,092 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:00:46,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:46,095 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2020-11-28 03:00:46,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:46,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305746938] [2020-11-28 03:00:46,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:46,118 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:46,133 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:46,176 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:46,219 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:00:46,220 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:00:46,220 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:00:46,220 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:00:46,220 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:00:46,220 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:46,220 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:00:46,221 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:00:46,221 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product14.cil.c_Iteration1_Loop [2020-11-28 03:00:46,221 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:00:46,221 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:00:46,246 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 03:00:46,263 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 03:00:46,275 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 03:00:46,282 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 03:00:46,386 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:00:46,387 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b148108e-0ee7-4889-9436-bdcb3694dc56/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 03:00:46,403 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:00:46,404 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_b148108e-0ee7-4889-9436-bdcb3694dc56/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 03:00:46,444 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:00:46,444 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:00:46,453 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:00:46,486 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:00:46,487 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:00:46,487 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:00:46,487 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:00:46,487 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:00:46,487 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:46,487 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:00:46,487 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:00:46,488 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product14.cil.c_Iteration1_Loop [2020-11-28 03:00:46,488 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:00:46,488 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:00:46,489 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 03:00:46,507 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 03:00:46,514 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 03:00:46,522 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 03:00:46,603 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:00:46,607 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b148108e-0ee7-4889-9436-bdcb3694dc56/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:00:46,616 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 03:00:46,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:46,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:46,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:46,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:46,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:46,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:46,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:46,626 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:00:46,648 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:00:46,648 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_b148108e-0ee7-4889-9436-bdcb3694dc56/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:00:46,656 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:00:46,657 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:00:46,657 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:00:46,658 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:46,693 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:00:46,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:47,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:00:47,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:00:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:47,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:00:47,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:00:47,160 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 03:00:47,176 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 03:00:47,177 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 766 states. Second operand 4 states. [2020-11-28 03:00:47,580 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 766 states.. Second operand 4 states. Result 3440 states and 6020 transitions. Complement of second has 7 states. [2020-11-28 03:00:47,581 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 03:00:47,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:00:47,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3456 transitions. [2020-11-28 03:00:47,596 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3456 transitions. Stem has 18 letters. Loop has 6 letters. [2020-11-28 03:00:47,598 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:00:47,598 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3456 transitions. Stem has 24 letters. Loop has 6 letters. [2020-11-28 03:00:47,600 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:00:47,600 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3456 transitions. Stem has 18 letters. Loop has 12 letters. [2020-11-28 03:00:47,600 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:00:47,601 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3440 states and 6020 transitions. [2020-11-28 03:00:47,645 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 501 [2020-11-28 03:00:47,667 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3440 states to 1035 states and 1896 transitions. [2020-11-28 03:00:47,668 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 532 [2020-11-28 03:00:47,671 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 533 [2020-11-28 03:00:47,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1035 states and 1896 transitions. [2020-11-28 03:00:47,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:00:47,675 INFO L691 BuchiCegarLoop]: Abstraction has 1035 states and 1896 transitions. [2020-11-28 03:00:47,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states and 1896 transitions. [2020-11-28 03:00:47,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 534. [2020-11-28 03:00:47,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2020-11-28 03:00:47,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 975 transitions. [2020-11-28 03:00:47,765 INFO L714 BuchiCegarLoop]: Abstraction has 534 states and 975 transitions. [2020-11-28 03:00:47,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:00:47,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:00:47,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:00:47,772 INFO L87 Difference]: Start difference. First operand 534 states and 975 transitions. Second operand 3 states. [2020-11-28 03:00:47,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:00:47,863 INFO L93 Difference]: Finished difference Result 1048 states and 1915 transitions. [2020-11-28 03:00:47,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:00:47,864 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1048 states and 1915 transitions. [2020-11-28 03:00:47,873 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 502 [2020-11-28 03:00:47,885 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1048 states to 1048 states and 1915 transitions. [2020-11-28 03:00:47,886 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 544 [2020-11-28 03:00:47,887 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 544 [2020-11-28 03:00:47,887 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1048 states and 1915 transitions. [2020-11-28 03:00:47,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:00:47,888 INFO L691 BuchiCegarLoop]: Abstraction has 1048 states and 1915 transitions. [2020-11-28 03:00:47,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states and 1915 transitions. [2020-11-28 03:00:47,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 533. [2020-11-28 03:00:47,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2020-11-28 03:00:47,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 971 transitions. [2020-11-28 03:00:47,910 INFO L714 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2020-11-28 03:00:47,910 INFO L594 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2020-11-28 03:00:47,910 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:00:47,910 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 533 states and 971 transitions. [2020-11-28 03:00:47,914 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2020-11-28 03:00:47,914 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:00:47,914 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:00:47,917 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:47,917 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:00:47,918 INFO L794 eck$LassoCheckResult]: Stem: 6143#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(44);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(44);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(9);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(9);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(11);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(19);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string26.base, #t~string26.offset, 1);call write~init~int(100, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(10, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string29.base, #t~string29.offset, 1);call write~init~int(100, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(10, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(17);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(17);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(17);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(10);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(34);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(16);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(20);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string82.base, #t~string82.offset, 1);call write~init~int(115, #t~string82.base, 1 + #t~string82.offset, 1);call write~init~int(10, #t~string82.base, 2 + #t~string82.offset, 1);call write~init~int(0, #t~string82.base, 3 + #t~string82.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(30);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(9);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(21);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(30);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(9);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(21);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(30);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(9);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(25);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(30);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(9);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(25);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(10);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(12);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(10);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(18);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(16);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(21);~__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;~in_encrypted~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__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; 5913#L-1 havoc main_#res;havoc main_#t~nondet20, main_#t~ret21, main_~retValue_acc~0, main_~tmp~1;main_~retValue_acc~0 := main_#t~nondet20;havoc main_#t~nondet20;havoc main_~tmp~1; 5914#L722 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 6090#L730 main_#t~ret21 := valid_product_#res;main_~tmp~1 := main_#t~ret21;havoc main_#t~ret21; 6013#L224 assume 0 != main_~tmp~1;havoc setup_#t~nondet15, setup_#t~nondet17, setup_#t~nondet19, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 5964#L2487 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 5965#L2493-2 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 5962#L2052 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 5908#L2058-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string14.base, #t~string14.offset;havoc setup_#t~nondet15;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 5982#L2487-2 assume !(1 == setClientId_~handle); 5983#L2490-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 6265#L2493-5 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 5967#L2052-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 5968#L2058-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string16.base, #t~string16.offset;havoc setup_#t~nondet17;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 5915#L2487-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 5916#L2493-8 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 5984#L2052-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 5985#L2058-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string18.base, #t~string18.offset;havoc setup_#t~nondet19; 6260#L211 havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, 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~11, test_~tmp___0~5, 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~11;havoc test_~tmp___0~5;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; 6419#L920-1 assume !false; 5934#L775 [2020-11-28 03:00:47,918 INFO L796 eck$LassoCheckResult]: Loop: 5934#L775 assume test_~splverifierCounter~0 < 4; 5935#L776 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 6095#L782 assume !(0 == test_~op1~0); 5930#L795 assume !(0 == test_~op2~0); 6335#L806 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet73;havoc test_#t~nondet73; 6328#L811 assume 0 != test_~tmp___7~0;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := ~rjh~0, 0;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 5918#L2052-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 5919#L2058-11 test_~op3~0 := 1; 6088#L920-1 assume !false; 5934#L775 [2020-11-28 03:00:47,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:47,918 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2020-11-28 03:00:47,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:47,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178742001] [2020-11-28 03:00:47,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:48,117 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 03:00:48,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178742001] [2020-11-28 03:00:48,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:00:48,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:00:48,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095508366] [2020-11-28 03:00:48,118 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:00:48,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:48,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2020-11-28 03:00:48,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:00:48,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602604044] [2020-11-28 03:00:48,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:00:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:48,138 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:00:48,144 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:00:48,151 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:00:48,251 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:00:48,251 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:00:48,251 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:00:48,251 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:00:48,252 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:00:48,252 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:48,252 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:00:48,252 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:00:48,252 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product14.cil.c_Iteration2_Loop [2020-11-28 03:00:48,252 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:00:48,252 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:00:48,254 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 03:00:48,262 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 03:00:48,266 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 03:00:48,276 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 03:00:48,287 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 03:00:48,291 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 03:00:48,300 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 03:00:48,527 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:00:48,527 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b148108e-0ee7-4889-9436-bdcb3694dc56/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 03:00:48,537 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:00:48,537 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 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b148108e-0ee7-4889-9436-bdcb3694dc56/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 03:00:48,581 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:00:48,581 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 03:00:48,620 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:00:48,625 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:00:48,625 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:00:48,625 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:00:48,625 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:00:48,625 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:00:48,625 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:48,625 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:00:48,626 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:00:48,626 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product14.cil.c_Iteration2_Loop [2020-11-28 03:00:48,626 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:00:48,626 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:00:48,627 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 03:00:48,640 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 03:00:48,644 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 03:00:48,651 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 03:00:48,656 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 03:00:48,666 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 03:00:48,679 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 03:00:49,016 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2020-11-28 03:00:49,018 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:00:49,018 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b148108e-0ee7-4889-9436-bdcb3694dc56/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 03:00:49,030 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 03:00:49,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:00:49,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:00:49,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:00:49,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:00:49,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:00:49,037 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:00:49,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:49,043 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:00:49,047 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:00:49,048 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_b148108e-0ee7-4889-9436-bdcb3694dc56/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 03:00:49,073 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:00:49,074 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:00:49,074 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:00:49,074 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:00:49,108 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:00:49,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:00:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:49,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:00:49,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:00:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:00:49,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:00:49,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:00:49,391 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 03:00:49,391 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 03:00:49,391 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440 Second operand 4 states. [2020-11-28 03:00:49,439 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440. Second operand 4 states. Result 1039 states and 1901 transitions. Complement of second has 6 states. [2020-11-28 03:00:49,440 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 03:00:49,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:00:49,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 508 transitions. [2020-11-28 03:00:49,442 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 9 letters. [2020-11-28 03:00:49,442 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:00:49,442 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 29 letters. Loop has 9 letters. [2020-11-28 03:00:49,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:00:49,443 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 18 letters. [2020-11-28 03:00:49,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:00:49,444 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1901 transitions. [2020-11-28 03:00:49,454 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:00:49,454 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 0 states and 0 transitions. [2020-11-28 03:00:49,454 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:00:49,454 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:00:49,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:00:49,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:00:49,455 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:00:49,455 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:00:49,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:00:49,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:00:49,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:00:49,456 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2020-11-28 03:00:49,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:00:49,456 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-11-28 03:00:49,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:00:49,457 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-11-28 03:00:49,457 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:00:49,457 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:00:49,457 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:00:49,457 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:00:49,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:00:49,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:00:49,458 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:00:49,458 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:00:49,458 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:00:49,458 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:00:49,458 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:00:49,458 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:00:49,458 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:00:49,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:00:49 BoogieIcfgContainer [2020-11-28 03:00:49,464 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:00:49,465 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:00:49,465 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:00:49,465 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:00:49,466 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:45" (3/4) ... [2020-11-28 03:00:49,468 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:00:49,469 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:00:49,470 INFO L168 Benchmark]: Toolchain (without parser) took 8434.61 ms. Allocated memory was 130.0 MB in the beginning and 253.8 MB in the end (delta: 123.7 MB). Free memory was 100.4 MB in the beginning and 103.8 MB in the end (delta: -3.4 MB). Peak memory consumption was 120.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:49,470 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 96.5 MB. Free memory is still 54.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:00:49,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 920.81 ms. Allocated memory is still 130.0 MB. Free memory was 100.2 MB in the beginning and 103.1 MB in the end (delta: -2.9 MB). Peak memory consumption was 40.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:49,472 INFO L168 Benchmark]: Boogie Procedure Inliner took 212.89 ms. Allocated memory is still 130.0 MB. Free memory was 103.1 MB in the beginning and 90.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:49,474 INFO L168 Benchmark]: Boogie Preprocessor took 172.90 ms. Allocated memory is still 130.0 MB. Free memory was 90.7 MB in the beginning and 81.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:49,480 INFO L168 Benchmark]: RCFGBuilder took 3132.96 ms. Allocated memory was 130.0 MB in the beginning and 174.1 MB in the end (delta: 44.0 MB). Free memory was 80.2 MB in the beginning and 84.7 MB in the end (delta: -4.5 MB). Peak memory consumption was 66.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:49,481 INFO L168 Benchmark]: BuchiAutomizer took 3985.50 ms. Allocated memory was 174.1 MB in the beginning and 253.8 MB in the end (delta: 79.7 MB). Free memory was 84.7 MB in the beginning and 103.8 MB in the end (delta: -19.1 MB). Peak memory consumption was 60.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:49,481 INFO L168 Benchmark]: Witness Printer took 3.97 ms. Allocated memory is still 253.8 MB. Free memory is still 103.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:00:49,490 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 96.5 MB. Free memory is still 54.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 920.81 ms. Allocated memory is still 130.0 MB. Free memory was 100.2 MB in the beginning and 103.1 MB in the end (delta: -2.9 MB). Peak memory consumption was 40.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 212.89 ms. Allocated memory is still 130.0 MB. Free memory was 103.1 MB in the beginning and 90.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 172.90 ms. Allocated memory is still 130.0 MB. Free memory was 90.7 MB in the beginning and 81.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3132.96 ms. Allocated memory was 130.0 MB in the beginning and 174.1 MB in the end (delta: 44.0 MB). Free memory was 80.2 MB in the beginning and 84.7 MB in the end (delta: -4.5 MB). Peak memory consumption was 66.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3985.50 ms. Allocated memory was 174.1 MB in the beginning and 253.8 MB in the end (delta: 79.7 MB). Free memory was 84.7 MB in the beginning and 103.8 MB in the end (delta: -19.1 MB). Peak memory consumption was 60.6 MB. Max. memory is 16.1 GB. * Witness Printer took 3.97 ms. Allocated memory is still 253.8 MB. Free memory is still 103.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1016 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 533 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4094 SDtfs, 3599 SDslu, 5231 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 49ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...