./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec1_product16.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_b739c64f-9ea4-4389-bb28-301564b66e56/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b739c64f-9ea4-4389-bb28-301564b66e56/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b739c64f-9ea4-4389-bb28-301564b66e56/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b739c64f-9ea4-4389-bb28-301564b66e56/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec1_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b739c64f-9ea4-4389-bb28-301564b66e56/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b739c64f-9ea4-4389-bb28-301564b66e56/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 c4e5138a33887bc217290401a534f0801a059c18 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 03:02:36,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:02:36,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:02:36,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:02:36,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:02:36,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:02:36,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:02:36,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:02:36,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:02:36,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:02:36,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:02:36,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:02:36,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:02:36,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:02:36,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:02:36,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:02:36,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:02:36,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:02:36,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:02:36,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:02:36,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:02:36,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:02:36,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:02:36,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:02:36,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:02:36,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:02:36,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:02:36,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:02:36,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:02:36,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:02:36,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:02:36,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:02:36,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:02:36,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:02:36,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:02:36,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:02:36,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:02:36,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:02:36,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:02:36,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:02:36,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:02:36,556 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b739c64f-9ea4-4389-bb28-301564b66e56/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 03:02:36,581 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:02:36,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:02:36,583 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:02:36,583 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:02:36,583 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:02:36,584 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:02:36,584 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:02:36,584 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:02:36,584 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:02:36,585 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:02:36,585 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:02:36,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:02:36,585 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:02:36,585 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:02:36,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:02:36,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:02:36,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:02:36,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:02:36,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:02:36,587 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:02:36,587 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:02:36,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:02:36,587 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:02:36,587 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:02:36,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:02:36,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:02:36,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:02:36,588 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:02:36,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:02:36,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:02:36,589 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:02:36,589 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:02:36,590 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:02:36,590 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_b739c64f-9ea4-4389-bb28-301564b66e56/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b739c64f-9ea4-4389-bb28-301564b66e56/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4e5138a33887bc217290401a534f0801a059c18 [2020-11-28 03:02:36,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:02:36,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:02:36,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:02:36,876 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:02:36,877 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:02:36,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b739c64f-9ea4-4389-bb28-301564b66e56/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec1_product16.cil.c [2020-11-28 03:02:36,979 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b739c64f-9ea4-4389-bb28-301564b66e56/bin/uautomizer/data/34b07de76/4361f3acdaee424692bb91c34b116adc/FLAG3564b1ce7 [2020-11-28 03:02:37,821 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:02:37,822 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b739c64f-9ea4-4389-bb28-301564b66e56/sv-benchmarks/c/product-lines/email_spec1_product16.cil.c [2020-11-28 03:02:37,847 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b739c64f-9ea4-4389-bb28-301564b66e56/bin/uautomizer/data/34b07de76/4361f3acdaee424692bb91c34b116adc/FLAG3564b1ce7 [2020-11-28 03:02:37,978 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b739c64f-9ea4-4389-bb28-301564b66e56/bin/uautomizer/data/34b07de76/4361f3acdaee424692bb91c34b116adc [2020-11-28 03:02:37,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:02:37,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:02:37,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:02:37,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:02:37,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:02:37,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:37" (1/1) ... [2020-11-28 03:02:37,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31f1c65f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:37, skipping insertion in model container [2020-11-28 03:02:37,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:37" (1/1) ... [2020-11-28 03:02:38,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:02:38,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:02:38,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:02:38,812 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:02:38,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:02:39,079 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:02:39,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:39 WrapperNode [2020-11-28 03:02:39,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:02:39,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:02:39,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:02:39,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:02:39,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:39" (1/1) ... [2020-11-28 03:02:39,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:39" (1/1) ... [2020-11-28 03:02:39,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:02:39,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:02:39,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:02:39,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:02:39,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:39" (1/1) ... [2020-11-28 03:02:39,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:39" (1/1) ... [2020-11-28 03:02:39,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:39" (1/1) ... [2020-11-28 03:02:39,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:39" (1/1) ... [2020-11-28 03:02:39,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:39" (1/1) ... [2020-11-28 03:02:39,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:39" (1/1) ... [2020-11-28 03:02:39,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:39" (1/1) ... [2020-11-28 03:02:39,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:02:39,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:02:39,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:02:39,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:02:39,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b739c64f-9ea4-4389-bb28-301564b66e56/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 03:02:39,490 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-11-28 03:02:39,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:02:39,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:02:39,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:02:39,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:02:41,945 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:02:41,945 INFO L298 CfgBuilder]: Removed 295 assume(true) statements. [2020-11-28 03:02:41,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:41 BoogieIcfgContainer [2020-11-28 03:02:41,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:02:41,954 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:02:41,955 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:02:41,958 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:02:41,959 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:02:41,959 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:02:37" (1/3) ... [2020-11-28 03:02:41,960 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b09fa33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:02:41, skipping insertion in model container [2020-11-28 03:02:41,961 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:02:41,961 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:39" (2/3) ... [2020-11-28 03:02:41,961 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b09fa33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:02:41, skipping insertion in model container [2020-11-28 03:02:41,961 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:02:41,961 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:41" (3/3) ... [2020-11-28 03:02:41,963 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec1_product16.cil.c [2020-11-28 03:02:42,005 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:02:42,006 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:02:42,006 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:02:42,006 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:02:42,006 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:02:42,006 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:02:42,006 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:02:42,006 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:02:42,032 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 449 states. [2020-11-28 03:02:42,082 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2020-11-28 03:02:42,082 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:02:42,083 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:02:42,093 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 03:02:42,093 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:02:42,093 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:02:42,093 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 449 states. [2020-11-28 03:02:42,110 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2020-11-28 03:02:42,110 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:02:42,110 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:02:42,112 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 03:02:42,113 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:02:42,119 INFO L794 eck$LassoCheckResult]: Stem: 322#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string7.base, #t~string7.offset, 1);call write~init~int(115, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(10, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 3 + #t~string7.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(21);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(44);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(44);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(11);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(19);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string80.base, #t~string80.offset, 1);call write~init~int(100, #t~string80.base, 1 + #t~string80.offset, 1);call write~init~int(10, #t~string80.base, 2 + #t~string80.offset, 1);call write~init~int(0, #t~string80.base, 3 + #t~string80.offset, 1);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string83.base, #t~string83.offset, 1);call write~init~int(100, #t~string83.base, 1 + #t~string83.offset, 1);call write~init~int(10, #t~string83.base, 2 + #t~string83.offset, 1);call write~init~int(0, #t~string83.base, 3 + #t~string83.offset, 1);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(10);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(12);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(10);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(18);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(16);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(21);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(10);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(16);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(20);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(21);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~__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;~head~0.base, ~head~0.offset := 0, 0;~mail_is_sensitive~0 := -1;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 245#L-1true havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~34, main_~tmp~8;havoc main_~retValue_acc~34;havoc main_~tmp~8; 200#L507true havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 405#L515true main_#t~ret75 := valid_product_#res;main_~tmp~8 := main_#t~ret75;havoc main_#t~ret75; 291#L2376true assume 0 != main_~tmp~8;havoc setup_#t~nondet70, setup_#t~nondet72, setup_#t~nondet74, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 412#L1583true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 56#L1589-2true 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; 218#L1148true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 278#L1154-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string69.base, #t~string69.offset;havoc setup_#t~nondet70;~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; 406#L1583-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 65#L1589-5true 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; 223#L1148-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 258#L1154-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string71.base, #t~string71.offset;havoc setup_#t~nondet72;~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; 408#L1583-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 39#L1589-8true 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; 209#L1148-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 263#L1154-8true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string73.base, #t~string73.offset;havoc setup_#t~nondet74; 380#L2363true havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 316#L2169-1true [2020-11-28 03:02:42,120 INFO L796 eck$LassoCheckResult]: Loop: 316#L2169-1true assume !false; 260#L2024true assume test_~splverifierCounter~0 < 4; 358#L2025true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 118#L2031true assume !(0 == test_~op1~0); 367#L2044true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet48;havoc test_#t~nondet48; 169#L2049true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 316#L2169-1true [2020-11-28 03:02:42,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:42,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2020-11-28 03:02:42,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:02:42,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103882662] [2020-11-28 03:02:42,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:02:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:42,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:02:42,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103882662] [2020-11-28 03:02:42,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:02:42,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:02:42,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26960584] [2020-11-28 03:02:42,503 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:02:42,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:42,506 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2020-11-28 03:02:42,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:02:42,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785587717] [2020-11-28 03:02:42,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:02:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:02:42,528 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:02:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:02:42,545 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:02:42,589 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:02:42,655 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:02:42,657 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:02:42,658 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:02:42,658 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:02:42,658 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:02:42,659 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:02:42,659 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:02:42,659 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:02:42,659 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product16.cil.c_Iteration1_Loop [2020-11-28 03:02:42,659 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:02:42,659 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:02:42,682 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 03:02:42,692 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 03:02:42,700 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 03:02:42,708 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 03:02:42,804 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:02:42,804 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b739c64f-9ea4-4389-bb28-301564b66e56/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 03:02:42,817 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:02:42,817 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_b739c64f-9ea4-4389-bb28-301564b66e56/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 03:02:42,867 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:02:42,868 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:02:42,874 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:02:42,911 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:02:42,911 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:02:42,911 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:02:42,911 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:02:42,911 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:02:42,911 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:02:42,911 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:02:42,912 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:02:42,912 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product16.cil.c_Iteration1_Loop [2020-11-28 03:02:42,912 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:02:42,912 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:02:42,913 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 03:02:42,930 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 03:02:42,938 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 03:02:42,948 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 03:02:43,084 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:02:43,089 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b739c64f-9ea4-4389-bb28-301564b66e56/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 03:02:43,097 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 03:02:43,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:02:43,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:02:43,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:02:43,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:02:43,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:02:43,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:02:43,104 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 03:02:43,107 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:02:43,116 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:02:43,116 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_b739c64f-9ea4-4389-bb28-301564b66e56/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:02:43,139 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:02:43,139 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:02:43,140 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:02:43,141 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2020-11-28 03:02:43,172 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:02:43,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:43,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:02:43,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:02:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:43,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:02:43,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:02:43,681 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 03:02:43,702 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 03:02:43,703 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 449 states. Second operand 4 states. [2020-11-28 03:02:43,973 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 449 states.. Second operand 4 states. Result 1910 states and 3304 transitions. Complement of second has 7 states. [2020-11-28 03:02:43,974 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 03:02:44,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:02:44,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1850 transitions. [2020-11-28 03:02:44,016 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1850 transitions. Stem has 18 letters. Loop has 6 letters. [2020-11-28 03:02:44,023 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:02:44,024 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1850 transitions. Stem has 24 letters. Loop has 6 letters. [2020-11-28 03:02:44,024 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:02:44,024 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1850 transitions. Stem has 18 letters. Loop has 12 letters. [2020-11-28 03:02:44,025 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:02:44,026 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1910 states and 3304 transitions. [2020-11-28 03:02:44,058 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2020-11-28 03:02:44,082 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1910 states to 879 states and 1596 transitions. [2020-11-28 03:02:44,083 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 454 [2020-11-28 03:02:44,093 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 455 [2020-11-28 03:02:44,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 879 states and 1596 transitions. [2020-11-28 03:02:44,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:02:44,095 INFO L691 BuchiCegarLoop]: Abstraction has 879 states and 1596 transitions. [2020-11-28 03:02:44,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states and 1596 transitions. [2020-11-28 03:02:44,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 456. [2020-11-28 03:02:44,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2020-11-28 03:02:44,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 825 transitions. [2020-11-28 03:02:44,185 INFO L714 BuchiCegarLoop]: Abstraction has 456 states and 825 transitions. [2020-11-28 03:02:44,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:02:44,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:02:44,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:02:44,193 INFO L87 Difference]: Start difference. First operand 456 states and 825 transitions. Second operand 3 states. [2020-11-28 03:02:44,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:02:44,274 INFO L93 Difference]: Finished difference Result 892 states and 1615 transitions. [2020-11-28 03:02:44,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:02:44,275 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 892 states and 1615 transitions. [2020-11-28 03:02:44,285 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 424 [2020-11-28 03:02:44,298 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 892 states to 892 states and 1615 transitions. [2020-11-28 03:02:44,298 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 466 [2020-11-28 03:02:44,300 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 466 [2020-11-28 03:02:44,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 892 states and 1615 transitions. [2020-11-28 03:02:44,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:02:44,301 INFO L691 BuchiCegarLoop]: Abstraction has 892 states and 1615 transitions. [2020-11-28 03:02:44,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states and 1615 transitions. [2020-11-28 03:02:44,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 455. [2020-11-28 03:02:44,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2020-11-28 03:02:44,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 821 transitions. [2020-11-28 03:02:44,326 INFO L714 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2020-11-28 03:02:44,326 INFO L594 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2020-11-28 03:02:44,326 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:02:44,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 455 states and 821 transitions. [2020-11-28 03:02:44,330 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2020-11-28 03:02:44,330 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:02:44,331 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:02:44,333 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 03:02:44,333 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:02:44,334 INFO L794 eck$LassoCheckResult]: Stem: 4122#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string7.base, #t~string7.offset, 1);call write~init~int(115, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(10, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 3 + #t~string7.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(21);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(44);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(44);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(11);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(19);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string80.base, #t~string80.offset, 1);call write~init~int(100, #t~string80.base, 1 + #t~string80.offset, 1);call write~init~int(10, #t~string80.base, 2 + #t~string80.offset, 1);call write~init~int(0, #t~string80.base, 3 + #t~string80.offset, 1);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string83.base, #t~string83.offset, 1);call write~init~int(100, #t~string83.base, 1 + #t~string83.offset, 1);call write~init~int(10, #t~string83.base, 2 + #t~string83.offset, 1);call write~init~int(0, #t~string83.base, 3 + #t~string83.offset, 1);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(10);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(12);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(10);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(18);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(16);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(21);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(10);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(16);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(20);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(21);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~__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;~head~0.base, ~head~0.offset := 0, 0;~mail_is_sensitive~0 := -1;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 3818#L-1 havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~34, main_~tmp~8;havoc main_~retValue_acc~34;havoc main_~tmp~8; 3819#L507 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 4253#L515 main_#t~ret75 := valid_product_#res;main_~tmp~8 := main_#t~ret75;havoc main_#t~ret75; 4065#L2376 assume 0 != main_~tmp~8;havoc setup_#t~nondet70, setup_#t~nondet72, setup_#t~nondet74, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4066#L1583 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3990#L1589-2 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; 3991#L1148 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4037#L1154-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string69.base, #t~string69.offset;havoc setup_#t~nondet70;~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; 4049#L1583-2 assume !(1 == setClientId_~handle); 4256#L1586-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4020#L1589-5 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; 4021#L1148-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3992#L1154-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string71.base, #t~string71.offset;havoc setup_#t~nondet72;~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; 3993#L1583-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3930#L1589-8 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; 3931#L1148-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4011#L1154-8 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string73.base, #t~string73.offset;havoc setup_#t~nondet74; 4025#L2363 havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 4231#L2169-1 assume !false; 4000#L2024 [2020-11-28 03:02:44,334 INFO L796 eck$LassoCheckResult]: Loop: 4000#L2024 assume test_~splverifierCounter~0 < 4; 4001#L2025 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4191#L2031 assume !(0 == test_~op1~0); 3987#L2044 assume !(0 == test_~op2~0); 4221#L2055 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet49;havoc test_#t~nondet49; 4222#L2060 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; 4238#L1148-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3921#L1154-11 test_~op3~0 := 1; 3843#L2169-1 assume !false; 4000#L2024 [2020-11-28 03:02:44,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:44,335 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2020-11-28 03:02:44,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:02:44,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430763814] [2020-11-28 03:02:44,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:02:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:44,493 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 03:02:44,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430763814] [2020-11-28 03:02:44,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:02:44,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:02:44,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137033505] [2020-11-28 03:02:44,494 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:02:44,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:44,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2020-11-28 03:02:44,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:02:44,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479911451] [2020-11-28 03:02:44,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:02:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:02:44,504 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:02:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:02:44,510 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:02:44,519 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:02:44,609 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:02:44,609 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:02:44,609 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:02:44,609 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:02:44,609 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:02:44,610 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:02:44,610 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:02:44,610 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:02:44,610 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product16.cil.c_Iteration2_Loop [2020-11-28 03:02:44,610 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:02:44,610 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:02:44,612 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 03:02:44,621 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 03:02:44,629 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 03:02:44,633 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 03:02:44,644 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 03:02:44,654 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 03:02:44,659 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 03:02:44,811 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:02:44,812 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b739c64f-9ea4-4389-bb28-301564b66e56/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 03:02:44,819 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:02:44,820 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:02:44,842 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:02:44,842 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___7~0=-1, ULTIMATE.start_test_#t~nondet49=-1} Honda state: {ULTIMATE.start_test_~tmp___7~0=-1, ULTIMATE.start_test_#t~nondet49=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b739c64f-9ea4-4389-bb28-301564b66e56/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 03:02:44,887 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:02:44,887 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b739c64f-9ea4-4389-bb28-301564b66e56/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 03:02:44,935 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:02:44,935 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:02:44,974 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:02:44,976 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:02:44,976 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:02:44,977 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:02:44,977 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:02:44,977 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:02:44,977 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:02:44,977 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:02:44,977 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:02:44,977 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product16.cil.c_Iteration2_Loop [2020-11-28 03:02:44,977 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:02:44,977 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:02:44,979 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 03:02:44,998 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 03:02:45,039 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 03:02:45,044 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 03:02:45,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:02:45,072 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 03:02:45,076 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 03:02:45,241 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:02:45,242 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b739c64f-9ea4-4389-bb28-301564b66e56/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 03:02:45,252 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 03:02:45,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:02:45,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:02:45,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:02:45,255 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 03:02:45,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:02:45,260 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:02:45,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:02:45,265 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b739c64f-9ea4-4389-bb28-301564b66e56/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:02:45,308 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 03:02:45,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:02:45,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:02:45,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:02:45,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:02:45,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:02:45,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:02:45,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:02:45,315 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:02:45,318 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:02:45,319 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_b739c64f-9ea4-4389-bb28-301564b66e56/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:02:45,327 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:02:45,327 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:02:45,327 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:02:45,327 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2020-11-28 03:02:45,363 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:02:45,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:45,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:02:45,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:02:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:45,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:02:45,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:02:45,672 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 03:02:45,673 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 03:02:45,673 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368 Second operand 4 states. [2020-11-28 03:02:45,708 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368. Second operand 4 states. Result 883 states and 1601 transitions. Complement of second has 6 states. [2020-11-28 03:02:45,709 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 03:02:45,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:02:45,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2020-11-28 03:02:45,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 9 letters. [2020-11-28 03:02:45,712 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:02:45,712 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 29 letters. Loop has 9 letters. [2020-11-28 03:02:45,713 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:02:45,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 18 letters. [2020-11-28 03:02:45,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:02:45,717 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 883 states and 1601 transitions. [2020-11-28 03:02:45,727 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:02:45,727 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 883 states to 0 states and 0 transitions. [2020-11-28 03:02:45,727 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:02:45,728 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:02:45,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:02:45,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:02:45,728 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:02:45,728 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:02:45,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:02:45,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:02:45,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:02:45,729 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2020-11-28 03:02:45,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:02:45,729 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-11-28 03:02:45,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:02:45,730 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-11-28 03:02:45,730 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:02:45,730 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:02:45,730 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:02:45,730 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:02:45,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:02:45,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:02:45,730 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:02:45,731 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:02:45,732 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:02:45,732 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:02:45,733 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:02:45,733 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:02:45,733 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:02:45,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:02:45 BoogieIcfgContainer [2020-11-28 03:02:45,740 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:02:45,743 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:02:45,743 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:02:45,743 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:02:45,744 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:41" (3/4) ... [2020-11-28 03:02:45,747 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:02:45,747 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:02:45,750 INFO L168 Benchmark]: Toolchain (without parser) took 7765.04 ms. Allocated memory was 92.3 MB in the beginning and 224.4 MB in the end (delta: 132.1 MB). Free memory was 60.2 MB in the beginning and 91.1 MB in the end (delta: -30.9 MB). Peak memory consumption was 102.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:45,751 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 92.3 MB. Free memory is still 51.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:02:45,752 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1096.89 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 60.2 MB in the beginning and 90.4 MB in the end (delta: -30.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:45,754 INFO L168 Benchmark]: Boogie Procedure Inliner took 147.28 ms. Allocated memory is still 125.8 MB. Free memory was 90.4 MB in the beginning and 81.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:45,757 INFO L168 Benchmark]: Boogie Preprocessor took 163.70 ms. Allocated memory is still 125.8 MB. Free memory was 81.5 MB in the beginning and 75.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:45,763 INFO L168 Benchmark]: RCFGBuilder took 2552.58 ms. Allocated memory was 125.8 MB in the beginning and 176.2 MB in the end (delta: 50.3 MB). Free memory was 74.5 MB in the beginning and 120.8 MB in the end (delta: -46.4 MB). Peak memory consumption was 50.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:45,764 INFO L168 Benchmark]: BuchiAutomizer took 3785.80 ms. Allocated memory was 176.2 MB in the beginning and 224.4 MB in the end (delta: 48.2 MB). Free memory was 120.8 MB in the beginning and 91.1 MB in the end (delta: 29.7 MB). Peak memory consumption was 76.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:45,764 INFO L168 Benchmark]: Witness Printer took 4.65 ms. Allocated memory is still 224.4 MB. Free memory is still 91.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:02:45,776 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 92.3 MB. Free memory is still 51.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1096.89 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 60.2 MB in the beginning and 90.4 MB in the end (delta: -30.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 147.28 ms. Allocated memory is still 125.8 MB. Free memory was 90.4 MB in the beginning and 81.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 163.70 ms. Allocated memory is still 125.8 MB. Free memory was 81.5 MB in the beginning and 75.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2552.58 ms. Allocated memory was 125.8 MB in the beginning and 176.2 MB in the end (delta: 50.3 MB). Free memory was 74.5 MB in the beginning and 120.8 MB in the end (delta: -46.4 MB). Peak memory consumption was 50.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3785.80 ms. Allocated memory was 176.2 MB in the beginning and 224.4 MB in the end (delta: 48.2 MB). Free memory was 120.8 MB in the beginning and 91.1 MB in the end (delta: 29.7 MB). Peak memory consumption was 76.9 MB. Max. memory is 16.1 GB. * Witness Printer took 4.65 ms. Allocated memory is still 224.4 MB. Free memory is still 91.1 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 3.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. 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, 860 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 455 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2759 SDtfs, 2340 SDslu, 3341 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: unsat Degree: 0 Time: 23ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...