./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_200e8dcb-e891-4249-8b51-beecf4cc8a7d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_200e8dcb-e891-4249-8b51-beecf4cc8a7d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_200e8dcb-e891-4249-8b51-beecf4cc8a7d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_200e8dcb-e891-4249-8b51-beecf4cc8a7d/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_200e8dcb-e891-4249-8b51-beecf4cc8a7d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_200e8dcb-e891-4249-8b51-beecf4cc8a7d/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 5a195d45f69b4be5c577e29df91ec7c2795cb92c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 12:03:14,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:03:14,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:03:14,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:03:14,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:03:14,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:03:14,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:03:14,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:03:14,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:03:14,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:03:14,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:03:14,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:03:14,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:03:14,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:03:14,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:03:14,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:03:14,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:03:14,927 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:03:14,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:03:14,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:03:14,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:03:14,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:03:14,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:03:14,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:03:14,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:03:14,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:03:14,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:03:14,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:03:14,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:03:14,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:03:14,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:03:14,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:03:14,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:03:14,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:03:14,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:03:14,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:03:14,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:03:14,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:03:14,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:03:14,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:03:14,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:03:14,943 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_200e8dcb-e891-4249-8b51-beecf4cc8a7d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 12:03:14,959 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:03:14,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:03:14,960 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:03:14,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:03:14,960 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:03:14,960 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 12:03:14,961 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 12:03:14,961 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 12:03:14,961 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 12:03:14,961 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 12:03:14,961 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 12:03:14,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:03:14,962 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:03:14,962 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 12:03:14,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:03:14,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:03:14,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:03:14,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 12:03:14,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 12:03:14,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 12:03:14,963 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:03:14,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:03:14,963 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 12:03:14,964 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:03:14,964 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 12:03:14,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:03:14,964 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:03:14,964 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 12:03:14,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:03:14,964 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:03:14,965 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:03:14,965 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 12:03:14,966 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 12:03:14,966 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_200e8dcb-e891-4249-8b51-beecf4cc8a7d/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 -> 5a195d45f69b4be5c577e29df91ec7c2795cb92c [2019-12-07 12:03:15,063 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:03:15,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:03:15,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:03:15,075 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:03:15,075 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:03:15,076 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_200e8dcb-e891-4249-8b51-beecf4cc8a7d/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec9_product16.cil.c [2019-12-07 12:03:15,115 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_200e8dcb-e891-4249-8b51-beecf4cc8a7d/bin/uautomizer/data/d06c1c98b/6c7339212f1e4481bd72e32a12e88b57/FLAG9e6b20f8b [2019-12-07 12:03:15,556 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:03:15,556 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_200e8dcb-e891-4249-8b51-beecf4cc8a7d/sv-benchmarks/c/product-lines/email_spec9_product16.cil.c [2019-12-07 12:03:15,569 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_200e8dcb-e891-4249-8b51-beecf4cc8a7d/bin/uautomizer/data/d06c1c98b/6c7339212f1e4481bd72e32a12e88b57/FLAG9e6b20f8b [2019-12-07 12:03:15,577 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_200e8dcb-e891-4249-8b51-beecf4cc8a7d/bin/uautomizer/data/d06c1c98b/6c7339212f1e4481bd72e32a12e88b57 [2019-12-07 12:03:15,579 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:03:15,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:03:15,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:03:15,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:03:15,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:03:15,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:03:15" (1/1) ... [2019-12-07 12:03:15,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be1be18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:03:15, skipping insertion in model container [2019-12-07 12:03:15,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:03:15" (1/1) ... [2019-12-07 12:03:15,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:03:15,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:03:16,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:03:16,041 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:03:16,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:03:16,158 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:03:16,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:03:16 WrapperNode [2019-12-07 12:03:16,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:03:16,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:03:16,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:03:16,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:03:16,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:03:16" (1/1) ... [2019-12-07 12:03:16,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:03:16" (1/1) ... [2019-12-07 12:03:16,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:03:16,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:03:16,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:03:16,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:03:16,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:03:16" (1/1) ... [2019-12-07 12:03:16,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:03:16" (1/1) ... [2019-12-07 12:03:16,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:03:16" (1/1) ... [2019-12-07 12:03:16,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:03:16" (1/1) ... [2019-12-07 12:03:16,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:03:16" (1/1) ... [2019-12-07 12:03:16,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:03:16" (1/1) ... [2019-12-07 12:03:16,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:03:16" (1/1) ... [2019-12-07 12:03:16,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:03:16,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:03:16,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:03:16,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:03:16,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:03:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_200e8dcb-e891-4249-8b51-beecf4cc8a7d/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 [2019-12-07 12:03:16,349 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-12-07 12:03:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:03:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 12:03:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:03:16,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:03:17,381 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:03:17,382 INFO L287 CfgBuilder]: Removed 295 assume(true) statements. [2019-12-07 12:03:17,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:03:17 BoogieIcfgContainer [2019-12-07 12:03:17,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:03:17,383 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 12:03:17,383 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 12:03:17,386 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 12:03:17,386 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:03:17,386 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 12:03:15" (1/3) ... [2019-12-07 12:03:17,387 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ec98bfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:03:17, skipping insertion in model container [2019-12-07 12:03:17,387 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:03:17,387 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:03:16" (2/3) ... [2019-12-07 12:03:17,387 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ec98bfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:03:17, skipping insertion in model container [2019-12-07 12:03:17,388 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:03:17,388 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:03:17" (3/3) ... [2019-12-07 12:03:17,389 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec9_product16.cil.c [2019-12-07 12:03:17,417 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 12:03:17,417 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 12:03:17,417 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 12:03:17,417 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:03:17,417 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:03:17,417 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 12:03:17,417 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:03:17,418 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 12:03:17,438 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 449 states. [2019-12-07 12:03:17,468 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2019-12-07 12:03:17,469 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:03:17,469 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:03:17,475 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:03:17,475 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-12-07 12:03:17,475 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 12:03:17,475 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 449 states. [2019-12-07 12:03:17,484 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2019-12-07 12:03:17,484 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:03:17,484 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:03:17,486 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:03:17,486 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-12-07 12:03:17,490 INFO L794 eck$LassoCheckResult]: Stem: 325#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(17);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(17);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(17);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(10);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(12);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(10);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(18);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(16);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string30.base, #t~string30.offset, 1);call write~init~int(115, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(10, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(10);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(16);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(20);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(21);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(44);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(44);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(9);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(9);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(11);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(19);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string116.base, #t~string116.offset, 1);call write~init~int(100, #t~string116.base, 1 + #t~string116.offset, 1);call write~init~int(10, #t~string116.base, 2 + #t~string116.offset, 1);call write~init~int(0, #t~string116.base, 3 + #t~string116.offset, 1);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string119.base, #t~string119.offset, 1);call write~init~int(100, #t~string119.base, 1 + #t~string119.offset, 1);call write~init~int(10, #t~string119.base, 2 + #t~string119.offset, 1);call write~init~int(0, #t~string119.base, 3 + #t~string119.offset, 1);~__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;~in_encrypted~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~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; 252#L-1true havoc main_#res;havoc main_#t~ret111, main_~retValue_acc~26, main_~tmp~16;havoc main_~retValue_acc~26;havoc main_~tmp~16; 55#L1294true havoc valid_product_#res;havoc valid_product_~retValue_acc~25;havoc valid_product_~retValue_acc~25;valid_product_~retValue_acc~25 := 1;valid_product_#res := valid_product_~retValue_acc~25; 198#L1302true main_#t~ret111 := valid_product_#res;main_~tmp~16 := main_#t~ret111;havoc main_#t~ret111; 3#L1689true assume 0 != main_~tmp~16;havoc setup_#t~nondet106, setup_#t~nondet108, setup_#t~nondet110, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.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_tmp2~1.base, setup_~__cil_tmp2~1.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; 355#L2873true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 102#L2879-2true 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; 122#L2438true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 341#L2444-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string105.base, #t~string105.offset;havoc setup_#t~nondet106;~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; 356#L2873-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 109#L2879-5true 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; 117#L2438-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 327#L2444-5true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string107.base, #t~string107.offset;havoc setup_#t~nondet108;~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; 361#L2873-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 84#L2879-8true 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; 118#L2438-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 315#L2444-8true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string109.base, #t~string109.offset;havoc setup_#t~nondet110; 224#L1676true havoc test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_#t~nondet90, test_#t~nondet91, test_#t~nondet92, test_#t~nondet93, test_#t~nondet94, test_#t~nondet95, test_#t~nondet96, test_#t~nondet97, 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~14, test_~tmp___0~4, test_~tmp___1~2, test_~tmp___2~2, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~14;havoc test_~tmp___0~4;havoc test_~tmp___1~2;havoc test_~tmp___2~2;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 43#L1501-1true [2019-12-07 12:03:17,491 INFO L796 eck$LassoCheckResult]: Loop: 43#L1501-1true assume !false; 129#L1356true assume test_~splverifierCounter~0 < 4; 192#L1357true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 296#L1363true assume !(0 == test_~op1~0); 342#L1376true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet88;havoc test_#t~nondet88; 123#L1381true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 43#L1501-1true [2019-12-07 12:03:17,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:03:17,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-12-07 12:03:17,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:03:17,504 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381499065] [2019-12-07 12:03:17,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:03:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:03:17,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:03:17,713 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381499065] [2019-12-07 12:03:17,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:03:17,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:03:17,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973545007] [2019-12-07 12:03:17,717 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 12:03:17,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:03:17,718 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-12-07 12:03:17,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:03:17,718 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398425413] [2019-12-07 12:03:17,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:03:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:03:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:03:17,748 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:03:17,778 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 12:03:17,778 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 12:03:17,778 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 12:03:17,779 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 12:03:17,779 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 12:03:17,779 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:03:17,779 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 12:03:17,779 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 12:03:17,779 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product16.cil.c_Iteration1_Loop [2019-12-07 12:03:17,779 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 12:03:17,779 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 12:03:17,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:03:17,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:03:17,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:03:17,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:03:17,867 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 12:03:17,867 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_200e8dcb-e891-4249-8b51-beecf4cc8a7d/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:03:17,872 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 12:03:17,872 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_200e8dcb-e891-4249-8b51-beecf4cc8a7d/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 [2019-12-07 12:03:17,882 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 12:03:17,882 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 12:03:17,886 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 12:03:17,888 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 12:03:17,888 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 12:03:17,888 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 12:03:17,888 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 12:03:17,888 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 12:03:17,889 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:03:17,889 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 12:03:17,889 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 12:03:17,889 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product16.cil.c_Iteration1_Loop [2019-12-07 12:03:17,889 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 12:03:17,889 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 12:03:17,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:03:17,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:03:17,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:03:17,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:03:17,949 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 12:03:17,952 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_200e8dcb-e891-4249-8b51-beecf4cc8a7d/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:03:17,956 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 [2019-12-07 12:03:17,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:03:17,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:03:17,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:03:17,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:03:17,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:03:17,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:03:17,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:03:17,962 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 12:03:17,966 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 12:03:17,966 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_200e8dcb-e891-4249-8b51-beecf4cc8a7d/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 [2019-12-07 12:03:17,971 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 12:03:17,971 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 12:03:17,972 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 12:03:17,972 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-12-07 12:03:17,976 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 12:03:17,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:03:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:03:18,116 INFO L264 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:03:18,118 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:03:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:03:18,139 INFO L264 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 12:03:18,139 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:03:18,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:03:18,171 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 [2019-12-07 12:03:18,173 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 449 states. Second operand 4 states. [2019-12-07 12:03:18,311 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 449 states.. Second operand 4 states. Result 1918 states and 3312 transitions. Complement of second has 7 states. [2019-12-07 12:03:18,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 12:03:18,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 12:03:18,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1854 transitions. [2019-12-07 12:03:18,316 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1854 transitions. Stem has 18 letters. Loop has 6 letters. [2019-12-07 12:03:18,317 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:03:18,317 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1854 transitions. Stem has 24 letters. Loop has 6 letters. [2019-12-07 12:03:18,317 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:03:18,318 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1854 transitions. Stem has 18 letters. Loop has 12 letters. [2019-12-07 12:03:18,318 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:03:18,319 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1918 states and 3312 transitions. [2019-12-07 12:03:18,334 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2019-12-07 12:03:18,345 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1918 states to 879 states and 1596 transitions. [2019-12-07 12:03:18,346 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 454 [2019-12-07 12:03:18,347 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 455 [2019-12-07 12:03:18,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 879 states and 1596 transitions. [2019-12-07 12:03:18,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 12:03:18,348 INFO L688 BuchiCegarLoop]: Abstraction has 879 states and 1596 transitions. [2019-12-07 12:03:18,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states and 1596 transitions. [2019-12-07 12:03:18,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 456. [2019-12-07 12:03:18,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2019-12-07 12:03:18,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 825 transitions. [2019-12-07 12:03:18,390 INFO L711 BuchiCegarLoop]: Abstraction has 456 states and 825 transitions. [2019-12-07 12:03:18,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:03:18,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:03:18,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:03:18,394 INFO L87 Difference]: Start difference. First operand 456 states and 825 transitions. Second operand 3 states. [2019-12-07 12:03:18,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:03:18,432 INFO L93 Difference]: Finished difference Result 892 states and 1615 transitions. [2019-12-07 12:03:18,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:03:18,433 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 892 states and 1615 transitions. [2019-12-07 12:03:18,441 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 424 [2019-12-07 12:03:18,449 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 892 states to 892 states and 1615 transitions. [2019-12-07 12:03:18,449 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 466 [2019-12-07 12:03:18,450 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 466 [2019-12-07 12:03:18,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 892 states and 1615 transitions. [2019-12-07 12:03:18,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 12:03:18,451 INFO L688 BuchiCegarLoop]: Abstraction has 892 states and 1615 transitions. [2019-12-07 12:03:18,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states and 1615 transitions. [2019-12-07 12:03:18,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 455. [2019-12-07 12:03:18,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2019-12-07 12:03:18,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 821 transitions. [2019-12-07 12:03:18,467 INFO L711 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2019-12-07 12:03:18,467 INFO L591 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2019-12-07 12:03:18,468 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 12:03:18,468 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 455 states and 821 transitions. [2019-12-07 12:03:18,470 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2019-12-07 12:03:18,470 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:03:18,471 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:03:18,472 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:03:18,472 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:03:18,472 INFO L794 eck$LassoCheckResult]: Stem: 4080#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(17);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(17);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(17);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(10);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(12);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(10);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(18);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(16);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string30.base, #t~string30.offset, 1);call write~init~int(115, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(10, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(10);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(16);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(20);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(21);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(44);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(44);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(9);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(9);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(11);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(19);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string116.base, #t~string116.offset, 1);call write~init~int(100, #t~string116.base, 1 + #t~string116.offset, 1);call write~init~int(10, #t~string116.base, 2 + #t~string116.offset, 1);call write~init~int(0, #t~string116.base, 3 + #t~string116.offset, 1);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string119.base, #t~string119.offset, 1);call write~init~int(100, #t~string119.base, 1 + #t~string119.offset, 1);call write~init~int(10, #t~string119.base, 2 + #t~string119.offset, 1);call write~init~int(0, #t~string119.base, 3 + #t~string119.offset, 1);~__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;~in_encrypted~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~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; 3828#L-1 havoc main_#res;havoc main_#t~ret111, main_~retValue_acc~26, main_~tmp~16;havoc main_~retValue_acc~26;havoc main_~tmp~16; 3829#L1294 havoc valid_product_#res;havoc valid_product_~retValue_acc~25;havoc valid_product_~retValue_acc~25;valid_product_~retValue_acc~25 := 1;valid_product_#res := valid_product_~retValue_acc~25; 3942#L1302 main_#t~ret111 := valid_product_#res;main_~tmp~16 := main_#t~ret111;havoc main_#t~ret111; 3814#L1689 assume 0 != main_~tmp~16;havoc setup_#t~nondet106, setup_#t~nondet108, setup_#t~nondet110, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.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_tmp2~1.base, setup_~__cil_tmp2~1.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; 3815#L2873 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4094#L2879-2 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; 4095#L2438 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4140#L2444-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string105.base, #t~string105.offset;havoc setup_#t~nondet106;~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; 4142#L2873-2 assume !(1 == setClientId_~handle); 4155#L2876-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4105#L2879-5 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; 4106#L2438-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4079#L2444-5 setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string107.base, #t~string107.offset;havoc setup_#t~nondet108;~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; 4087#L2873-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4028#L2879-8 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; 4033#L2438-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4031#L2444-8 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string109.base, #t~string109.offset;havoc setup_#t~nondet110; 4032#L1676 havoc test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_#t~nondet90, test_#t~nondet91, test_#t~nondet92, test_#t~nondet93, test_#t~nondet94, test_#t~nondet95, test_#t~nondet96, test_#t~nondet97, 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~14, test_~tmp___0~4, test_~tmp___1~2, test_~tmp___2~2, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~14;havoc test_~tmp___0~4;havoc test_~tmp___1~2;havoc test_~tmp___2~2;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 4268#L1501-1 assume !false; 3921#L1356 [2019-12-07 12:03:18,473 INFO L796 eck$LassoCheckResult]: Loop: 3921#L1356 assume test_~splverifierCounter~0 < 4; 4178#L1357 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 3934#L1363 assume !(0 == test_~op1~0); 3936#L1376 assume !(0 == test_~op2~0); 4133#L1387 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet89;havoc test_#t~nondet89; 4135#L1392 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; 4164#L2438-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4018#L2444-11 test_~op3~0 := 1; 3920#L1501-1 assume !false; 3921#L1356 [2019-12-07 12:03:18,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:03:18,473 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-12-07 12:03:18,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:03:18,473 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508586952] [2019-12-07 12:03:18,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:03:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:03:18,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:03:18,546 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508586952] [2019-12-07 12:03:18,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:03:18,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 12:03:18,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217288612] [2019-12-07 12:03:18,547 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 12:03:18,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:03:18,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-12-07 12:03:18,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:03:18,547 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669924494] [2019-12-07 12:03:18,547 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:03:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:03:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:03:18,561 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:03:18,604 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 12:03:18,604 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 12:03:18,604 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 12:03:18,604 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 12:03:18,604 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 12:03:18,604 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:03:18,604 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 12:03:18,604 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 12:03:18,604 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product16.cil.c_Iteration2_Loop [2019-12-07 12:03:18,604 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 12:03:18,605 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 12:03:18,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:03:18,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:03:18,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:03:18,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:03:18,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:03:18,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:03:18,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:03:18,736 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 12:03:18,737 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_200e8dcb-e891-4249-8b51-beecf4cc8a7d/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:03:18,741 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 12:03:18,741 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 12:03:18,748 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 12:03:18,748 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet89=-4, ULTIMATE.start_test_~tmp___7~0=-4} Honda state: {ULTIMATE.start_test_#t~nondet89=-4, ULTIMATE.start_test_~tmp___7~0=-4} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_200e8dcb-e891-4249-8b51-beecf4cc8a7d/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:03:18,753 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 12:03:18,753 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_200e8dcb-e891-4249-8b51-beecf4cc8a7d/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:03:18,762 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 12:03:18,762 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 12:03:18,767 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 12:03:18,769 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 12:03:18,769 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 12:03:18,769 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 12:03:18,769 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 12:03:18,769 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 12:03:18,769 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:03:18,769 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 12:03:18,769 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 12:03:18,769 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product16.cil.c_Iteration2_Loop [2019-12-07 12:03:18,769 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 12:03:18,769 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 12:03:18,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:03:18,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:03:18,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:03:18,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:03:18,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:03:18,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:03:18,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 12:03:18,877 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 12:03:18,878 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_200e8dcb-e891-4249-8b51-beecf4cc8a7d/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) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:03:18,880 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 [2019-12-07 12:03:18,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:03:18,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:03:18,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:03:18,882 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 12:03:18,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:03:18,883 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 12:03:18,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:03:18,885 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_200e8dcb-e891-4249-8b51-beecf4cc8a7d/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 12:03:18,889 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 [2019-12-07 12:03:18,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 12:03:18,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 12:03:18,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 12:03:18,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 12:03:18,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 12:03:18,892 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 12:03:18,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 12:03:18,894 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 12:03:18,896 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 12:03:18,896 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_200e8dcb-e891-4249-8b51-beecf4cc8a7d/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 [2019-12-07 12:03:18,899 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 12:03:18,899 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 12:03:18,899 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 12:03:18,899 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-12-07 12:03:18,901 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 12:03:18,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:03:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:03:18,996 INFO L264 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:03:18,998 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:03:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:03:19,018 INFO L264 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 12:03:19,019 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:03:19,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:03:19,039 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 [2019-12-07 12:03:19,040 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368 Second operand 4 states. [2019-12-07 12:03:19,069 INFO L76 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. [2019-12-07 12:03:19,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 12:03:19,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 12:03:19,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2019-12-07 12:03:19,070 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 9 letters. [2019-12-07 12:03:19,070 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:03:19,070 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 29 letters. Loop has 9 letters. [2019-12-07 12:03:19,071 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:03:19,071 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 18 letters. [2019-12-07 12:03:19,071 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 12:03:19,071 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 883 states and 1601 transitions. [2019-12-07 12:03:19,076 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 12:03:19,076 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 883 states to 0 states and 0 transitions. [2019-12-07 12:03:19,076 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 12:03:19,076 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 12:03:19,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 12:03:19,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 12:03:19,076 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:03:19,076 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:03:19,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:03:19,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:03:19,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:03:19,077 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-12-07 12:03:19,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:03:19,077 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-12-07 12:03:19,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:03:19,077 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-12-07 12:03:19,077 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 12:03:19,077 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 12:03:19,077 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 12:03:19,078 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 12:03:19,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 12:03:19,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 12:03:19,078 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:03:19,078 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:03:19,078 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:03:19,078 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 12:03:19,078 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:03:19,078 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 12:03:19,078 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 12:03:19,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 12:03:19 BoogieIcfgContainer [2019-12-07 12:03:19,083 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 12:03:19,083 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:03:19,083 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:03:19,083 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:03:19,083 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:03:17" (3/4) ... [2019-12-07 12:03:19,086 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 12:03:19,086 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:03:19,088 INFO L168 Benchmark]: Toolchain (without parser) took 3507.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 933.9 MB in the beginning and 1.0 GB in the end (delta: -97.7 MB). Peak memory consumption was 76.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:03:19,088 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:03:19,088 INFO L168 Benchmark]: CACSL2BoogieTranslator took 578.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 933.9 MB in the beginning and 1.0 GB in the end (delta: -115.9 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:03:19,089 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:03:19,089 INFO L168 Benchmark]: Boogie Preprocessor took 63.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:03:19,090 INFO L168 Benchmark]: RCFGBuilder took 1084.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -41.0 MB). Peak memory consumption was 201.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:03:19,090 INFO L168 Benchmark]: BuchiAutomizer took 1699.40 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.1 MB). Peak memory consumption was 106.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:03:19,090 INFO L168 Benchmark]: Witness Printer took 3.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:03:19,092 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 578.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 933.9 MB in the beginning and 1.0 GB in the end (delta: -115.9 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1084.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -41.0 MB). Peak memory consumption was 201.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1699.40 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.1 MB). Peak memory consumption was 106.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 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 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. 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: 2763 SDtfs, 2344 SDslu, 3347 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: 7ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...