./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product40.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_45f2c477-379a-4186-8e17-2c3741171ffb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_45f2c477-379a-4186-8e17-2c3741171ffb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_45f2c477-379a-4186-8e17-2c3741171ffb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_45f2c477-379a-4186-8e17-2c3741171ffb/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product40.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_45f2c477-379a-4186-8e17-2c3741171ffb/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_45f2c477-379a-4186-8e17-2c3741171ffb/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 a9facdf003074719ed631a2e16cbbbb9c2d1e599 ............................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 20:56:51,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:56:51,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:56:51,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:56:51,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:56:51,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:56:51,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:56:51,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:56:51,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:56:51,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:56:51,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:56:51,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:56:51,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:56:51,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:56:51,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:56:51,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:56:51,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:56:51,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:56:52,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:56:52,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:56:52,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:56:52,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:56:52,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:56:52,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:56:52,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:56:52,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:56:52,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:56:52,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:56:52,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:56:52,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:56:52,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:56:52,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:56:52,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:56:52,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:56:52,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:56:52,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:56:52,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:56:52,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:56:52,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:56:52,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:56:52,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:56:52,016 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_45f2c477-379a-4186-8e17-2c3741171ffb/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-15 20:56:52,031 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:56:52,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:56:52,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:56:52,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:56:52,032 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:56:52,033 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 20:56:52,033 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 20:56:52,033 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 20:56:52,033 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 20:56:52,033 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 20:56:52,034 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 20:56:52,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:56:52,034 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:56:52,034 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 20:56:52,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 20:56:52,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:56:52,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:56:52,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 20:56:52,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 20:56:52,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 20:56:52,036 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:56:52,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 20:56:52,036 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 20:56:52,036 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:56:52,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 20:56:52,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:56:52,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:56:52,037 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 20:56:52,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:56:52,038 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 20:56:52,038 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 20:56:52,039 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 20:56:52,039 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_45f2c477-379a-4186-8e17-2c3741171ffb/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 -> a9facdf003074719ed631a2e16cbbbb9c2d1e599 [2019-11-15 20:56:52,063 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:56:52,075 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:56:52,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:56:52,081 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:56:52,082 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:56:52,082 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_45f2c477-379a-4186-8e17-2c3741171ffb/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec11_product40.cil.c [2019-11-15 20:56:52,127 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_45f2c477-379a-4186-8e17-2c3741171ffb/bin/uautomizer/data/6a2699df4/9bdae040e8394d5e8dc38dac29643a0d/FLAG6e6331279 [2019-11-15 20:56:52,642 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:56:52,644 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_45f2c477-379a-4186-8e17-2c3741171ffb/sv-benchmarks/c/product-lines/email_spec11_product40.cil.c [2019-11-15 20:56:52,670 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_45f2c477-379a-4186-8e17-2c3741171ffb/bin/uautomizer/data/6a2699df4/9bdae040e8394d5e8dc38dac29643a0d/FLAG6e6331279 [2019-11-15 20:56:52,935 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_45f2c477-379a-4186-8e17-2c3741171ffb/bin/uautomizer/data/6a2699df4/9bdae040e8394d5e8dc38dac29643a0d [2019-11-15 20:56:52,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:56:52,939 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 20:56:52,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:56:52,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:56:52,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:56:52,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:56:52" (1/1) ... [2019-11-15 20:56:52,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bf35e05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:56:52, skipping insertion in model container [2019-11-15 20:56:52,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:56:52" (1/1) ... [2019-11-15 20:56:52,953 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:56:53,029 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:56:53,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:56:53,581 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:56:53,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:56:53,786 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:56:53,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:56:53 WrapperNode [2019-11-15 20:56:53,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:56:53,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 20:56:53,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 20:56:53,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 20:56:53,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:56:53" (1/1) ... [2019-11-15 20:56:53,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:56:53" (1/1) ... [2019-11-15 20:56:53,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 20:56:53,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:56:53,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:56:53,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:56:53,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:56:53" (1/1) ... [2019-11-15 20:56:53,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:56:53" (1/1) ... [2019-11-15 20:56:53,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:56:53" (1/1) ... [2019-11-15 20:56:53,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:56:53" (1/1) ... [2019-11-15 20:56:54,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:56:53" (1/1) ... [2019-11-15 20:56:54,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:56:53" (1/1) ... [2019-11-15 20:56:54,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:56:53" (1/1) ... [2019-11-15 20:56:54,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:56:54,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:56:54,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:56:54,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:56:54,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:56:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45f2c477-379a-4186-8e17-2c3741171ffb/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 [2019-11-15 20:56:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-15 20:56:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 20:56:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-15 20:56:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:56:54,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:56:56,474 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:56:56,474 INFO L284 CfgBuilder]: Removed 497 assume(true) statements. [2019-11-15 20:56:56,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:56:56 BoogieIcfgContainer [2019-11-15 20:56:56,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:56:56,476 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 20:56:56,476 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 20:56:56,479 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 20:56:56,479 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 20:56:56,479 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 08:56:52" (1/3) ... [2019-11-15 20:56:56,480 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e2d343a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 08:56:56, skipping insertion in model container [2019-11-15 20:56:56,480 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 20:56:56,480 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:56:53" (2/3) ... [2019-11-15 20:56:56,481 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e2d343a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 08:56:56, skipping insertion in model container [2019-11-15 20:56:56,481 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 20:56:56,481 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:56:56" (3/3) ... [2019-11-15 20:56:56,482 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec11_product40.cil.c [2019-11-15 20:56:56,520 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 20:56:56,520 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 20:56:56,520 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 20:56:56,520 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:56:56,520 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:56:56,520 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 20:56:56,521 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:56:56,521 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 20:56:56,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 666 states. [2019-11-15 20:56:56,609 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2019-11-15 20:56:56,610 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 20:56:56,610 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 20:56:56,618 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:56:56,618 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:56:56,618 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 20:56:56,619 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 666 states. [2019-11-15 20:56:56,630 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2019-11-15 20:56:56,631 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 20:56:56,631 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 20:56:56,633 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:56:56,633 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:56:56,639 INFO L791 eck$LassoCheckResult]: Stem: 417#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(20);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(10);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(34);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(30);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(16);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(20);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(22);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string29.base, #t~string29.offset, 1);call write~init~int(115, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(10, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(10);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(12);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(10);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(18);~head~0.base, ~head~0.offset := 0, 0;call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(44);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(44);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(9);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(9);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(11);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(19);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string110.base, #t~string110.offset, 1);call write~init~int(100, #t~string110.base, 1 + #t~string110.offset, 1);call write~init~int(10, #t~string110.base, 2 + #t~string110.offset, 1);call write~init~int(0, #t~string110.base, 3 + #t~string110.offset, 1);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string113.base, #t~string113.offset, 1);call write~init~int(100, #t~string113.base, 1 + #t~string113.offset, 1);call write~init~int(10, #t~string113.base, 2 + #t~string113.offset, 1);call write~init~int(0, #t~string113.base, 3 + #t~string113.offset, 1); 326#L-1true havoc main_#res;havoc main_#t~nondet104, main_#t~ret105, main_~retValue_acc~42, main_~tmp~17;main_~retValue_acc~42 := main_#t~nondet104;havoc main_#t~nondet104;havoc main_~tmp~17; 375#L97true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 532#L105true main_#t~ret105 := valid_product_#res;main_~tmp~17 := main_#t~ret105;havoc main_#t~ret105; 74#L2712true assume 0 != main_~tmp~17;havoc setup_#t~nondet99, setup_#t~nondet101, setup_#t~nondet103, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 398#L2147true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 544#L2153-2true 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; 126#L1712true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 216#L1718-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string98.base, #t~string98.offset;havoc setup_#t~nondet99;~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; 410#L2147-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 512#L2153-5true 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; 116#L1712-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 224#L1718-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string100.base, #t~string100.offset;havoc setup_#t~nondet101;~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; 413#L2147-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 526#L2153-8true 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#L1712-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 201#L1718-8true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string102.base, #t~string102.offset;havoc setup_#t~nondet103; 158#L2699true havoc test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, test_#t~nondet84, test_#t~nondet85, test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, 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~13, test_~tmp___0~2, 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~13;havoc test_~tmp___0~2;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; 236#L1060-1true [2019-11-15 20:56:56,639 INFO L793 eck$LassoCheckResult]: Loop: 236#L1060-1true assume !false; 518#L909true assume test_~splverifierCounter~0 < 4; 462#L910true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 282#L916true assume !(0 == test_~op1~0); 27#L929true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet79;havoc test_#t~nondet79; 355#L934true assume 0 != test_~tmp___8~0;setClientAutoResponse_#in~handle, setClientAutoResponse_#in~value := ~rjh~0, 1;havoc setClientAutoResponse_~handle, setClientAutoResponse_~value;setClientAutoResponse_~handle := setClientAutoResponse_#in~handle;setClientAutoResponse_~value := setClientAutoResponse_#in~value; 277#L1665true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 590#L1671-2true test_~op2~0 := 1; 236#L1060-1true [2019-11-15 20:56:56,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:56:56,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-15 20:56:56,650 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:56:56,650 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747857624] [2019-11-15 20:56:56,651 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:56:56,651 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:56:56,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:56:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:56,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:56:56,972 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747857624] [2019-11-15 20:56:56,974 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:56:56,974 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 20:56:56,975 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351444481] [2019-11-15 20:56:56,979 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-11-15 20:56:56,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:56:56,979 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2019-11-15 20:56:56,980 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:56:56,980 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288327634] [2019-11-15 20:56:56,981 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:56:56,981 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:56:56,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:56:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:56:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:56:57,037 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:56:57,123 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 20:56:57,123 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 20:56:57,124 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 20:56:57,124 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 20:56:57,124 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 20:56:57,124 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:56:57,124 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 20:56:57,124 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 20:56:57,124 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec11_product40.cil.c_Iteration1_Loop [2019-11-15 20:56:57,125 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 20:56:57,125 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 20:56:57,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:56:57,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:56:57,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:56:57,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:56:57,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:56:57,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:56:57,324 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 20:56:57,325 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45f2c477-379a-4186-8e17-2c3741171ffb/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) [2019-11-15 20:56:57,340 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 20:56:57,340 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45f2c477-379a-4186-8e17-2c3741171ffb/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) [2019-11-15 20:56:57,361 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 20:56:57,361 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:56:57,369 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 20:56:57,371 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 20:56:57,372 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 20:56:57,372 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 20:56:57,372 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 20:56:57,372 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 20:56:57,372 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:56:57,372 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 20:56:57,373 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 20:56:57,373 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec11_product40.cil.c_Iteration1_Loop [2019-11-15 20:56:57,373 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 20:56:57,373 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 20:56:57,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:56:57,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:56:57,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:56:57,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:56:57,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:56:57,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:56:57,548 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 20:56:57,553 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 20:56:57,555 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 [2019-11-15 20:56:57,556 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:56:57,556 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:56:57,556 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:56:57,557 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:56:57,557 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:56:57,559 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:56:57,559 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:56:57,564 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-15 20:56:57,568 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-15 20:56:57,568 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-11-15 20:56:57,570 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-15 20:56:57,570 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-15 20:56:57,571 INFO L510 LassoAnalysis]: Proved termination. [2019-11-15 20:56:57,571 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-11-15 20:56:57,574 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-15 20:56:57,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:56:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:57,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 20:56:57,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:56:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:56:57,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-15 20:56:57,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:56:57,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:56:57,835 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 [2019-11-15 20:56:57,836 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 666 states. Second operand 5 states. [2019-11-15 20:56:57,994 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 666 states.. Second operand 5 states. Result 1685 states and 2864 transitions. Complement of second has 7 states. [2019-11-15 20:56:57,994 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 [2019-11-15 20:56:57,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-15 20:56:57,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1770 transitions. [2019-11-15 20:56:58,001 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1770 transitions. Stem has 18 letters. Loop has 8 letters. [2019-11-15 20:56:58,003 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 20:56:58,003 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1770 transitions. Stem has 26 letters. Loop has 8 letters. [2019-11-15 20:56:58,003 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 20:56:58,004 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1770 transitions. Stem has 18 letters. Loop has 16 letters. [2019-11-15 20:56:58,005 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 20:56:58,006 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1685 states and 2864 transitions. [2019-11-15 20:56:58,085 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 20:56:58,087 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1685 states to 0 states and 0 transitions. [2019-11-15 20:56:58,088 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-15 20:56:58,089 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-15 20:56:58,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-15 20:56:58,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 20:56:58,089 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 20:56:58,090 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 20:56:58,090 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:56:58,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 20:56:58,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 20:56:58,094 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-11-15 20:56:58,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:56:58,097 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-15 20:56:58,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 20:56:58,097 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-15 20:56:58,098 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 20:56:58,098 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 20:56:58,098 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-15 20:56:58,098 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-15 20:56:58,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-15 20:56:58,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 20:56:58,099 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 20:56:58,099 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 20:56:58,099 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 20:56:58,099 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-15 20:56:58,099 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-15 20:56:58,099 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 20:56:58,100 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-15 20:56:58,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 08:56:58 BoogieIcfgContainer [2019-11-15 20:56:58,105 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 20:56:58,106 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 20:56:58,106 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 20:56:58,106 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 20:56:58,107 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:56:56" (3/4) ... [2019-11-15 20:56:58,109 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 20:56:58,110 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 20:56:58,112 INFO L168 Benchmark]: Toolchain (without parser) took 5171.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 201.3 MB). Free memory was 941.1 MB in the beginning and 1.2 GB in the end (delta: -229.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:56:58,112 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:56:58,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 848.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 941.1 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2019-11-15 20:56:58,114 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-11-15 20:56:58,114 INFO L168 Benchmark]: Boogie Preprocessor took 143.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-15 20:56:58,115 INFO L168 Benchmark]: RCFGBuilder took 2413.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 21.3 MB). Peak memory consumption was 204.2 MB. Max. memory is 11.5 GB. [2019-11-15 20:56:58,116 INFO L168 Benchmark]: BuchiAutomizer took 1629.37 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -133.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:56:58,116 INFO L168 Benchmark]: Witness Printer took 4.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:56:58,119 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 848.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 941.1 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 128.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 143.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2413.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 21.3 MB). Peak memory consumption was 204.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1629.37 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -133.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1139 SDtfs, 1139 SDslu, 2174 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax100 hnf100 lsp24 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq209 hnf86 smp100 dnf120 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 17ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 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...