./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/email_spec11_product07.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30f494416a796abbf2c8eefee6e87a7fdcd01801 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 07:13:37,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 07:13:37,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 07:13:37,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 07:13:37,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 07:13:37,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 07:13:37,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 07:13:37,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 07:13:37,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 07:13:37,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 07:13:37,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 07:13:37,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 07:13:37,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 07:13:37,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 07:13:37,828 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 07:13:37,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 07:13:37,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 07:13:37,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 07:13:37,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 07:13:37,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 07:13:37,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 07:13:37,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 07:13:37,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 07:13:37,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 07:13:37,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 07:13:37,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 07:13:37,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 07:13:37,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 07:13:37,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 07:13:37,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 07:13:37,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 07:13:37,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 07:13:37,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 07:13:37,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 07:13:37,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 07:13:37,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 07:13:37,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 07:13:37,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 07:13:37,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 07:13:37,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 07:13:37,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 07:13:37,882 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 07:13:37,919 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 07:13:37,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 07:13:37,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 07:13:37,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 07:13:37,921 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 07:13:37,922 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 07:13:37,922 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 07:13:37,922 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 07:13:37,922 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 07:13:37,922 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 07:13:37,923 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 07:13:37,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 07:13:37,924 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 07:13:37,924 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 07:13:37,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 07:13:37,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 07:13:37,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 07:13:37,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 07:13:37,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 07:13:37,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 07:13:37,926 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 07:13:37,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 07:13:37,926 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 07:13:37,927 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 07:13:37,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 07:13:37,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 07:13:37,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 07:13:37,927 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 07:13:37,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 07:13:37,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 07:13:37,928 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 07:13:37,928 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 07:13:37,929 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 07:13:37,930 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30f494416a796abbf2c8eefee6e87a7fdcd01801 [2020-10-20 07:13:38,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 07:13:38,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 07:13:38,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 07:13:38,159 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 07:13:38,159 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 07:13:38,160 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product07.cil.c [2020-10-20 07:13:38,226 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbb4f7733/5c03d5856371409e95e5a957989e8f28/FLAG0c959d7e3 [2020-10-20 07:13:38,833 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 07:13:38,834 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product07.cil.c [2020-10-20 07:13:38,856 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbb4f7733/5c03d5856371409e95e5a957989e8f28/FLAG0c959d7e3 [2020-10-20 07:13:39,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbb4f7733/5c03d5856371409e95e5a957989e8f28 [2020-10-20 07:13:39,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 07:13:39,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 07:13:39,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 07:13:39,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 07:13:39,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 07:13:39,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:13:39" (1/1) ... [2020-10-20 07:13:39,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5308761b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:13:39, skipping insertion in model container [2020-10-20 07:13:39,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:13:39" (1/1) ... [2020-10-20 07:13:39,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 07:13:39,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 07:13:39,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:13:39,706 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 07:13:39,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:13:39,986 INFO L208 MainTranslator]: Completed translation [2020-10-20 07:13:39,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:13:39 WrapperNode [2020-10-20 07:13:39,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 07:13:39,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 07:13:39,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 07:13:39,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 07:13:40,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:13:39" (1/1) ... [2020-10-20 07:13:40,029 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:13:39" (1/1) ... [2020-10-20 07:13:40,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 07:13:40,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 07:13:40,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 07:13:40,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 07:13:40,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:13:39" (1/1) ... [2020-10-20 07:13:40,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:13:39" (1/1) ... [2020-10-20 07:13:40,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:13:39" (1/1) ... [2020-10-20 07:13:40,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:13:39" (1/1) ... [2020-10-20 07:13:40,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:13:39" (1/1) ... [2020-10-20 07:13:40,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:13:39" (1/1) ... [2020-10-20 07:13:40,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:13:39" (1/1) ... [2020-10-20 07:13:40,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 07:13:40,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 07:13:40,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 07:13:40,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 07:13:40,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:13:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:40,278 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-20 07:13:40,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 07:13:40,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 07:13:40,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 07:13:40,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 07:13:42,009 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 07:13:42,010 INFO L298 CfgBuilder]: Removed 293 assume(true) statements. [2020-10-20 07:13:42,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:13:42 BoogieIcfgContainer [2020-10-20 07:13:42,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 07:13:42,012 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 07:13:42,013 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 07:13:42,016 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 07:13:42,017 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:13:42,017 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 07:13:39" (1/3) ... [2020-10-20 07:13:42,018 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32f34752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:13:42, skipping insertion in model container [2020-10-20 07:13:42,019 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:13:42,019 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:13:39" (2/3) ... [2020-10-20 07:13:42,019 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32f34752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:13:42, skipping insertion in model container [2020-10-20 07:13:42,019 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:13:42,019 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:13:42" (3/3) ... [2020-10-20 07:13:42,021 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec11_product07.cil.c [2020-10-20 07:13:42,067 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 07:13:42,068 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 07:13:42,068 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 07:13:42,068 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 07:13:42,068 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 07:13:42,068 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 07:13:42,069 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 07:13:42,069 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 07:13:42,091 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 353 states. [2020-10-20 07:13:42,137 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2020-10-20 07:13:42,137 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:13:42,137 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:13:42,147 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:13:42,147 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-20 07:13:42,147 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 07:13:42,147 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 353 states. [2020-10-20 07:13:42,161 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2020-10-20 07:13:42,161 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:13:42,161 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:13:42,162 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:13:42,162 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-20 07:13:42,169 INFO L794 eck$LassoCheckResult]: Stem: 132#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(29);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(44);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(44);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(9);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(11);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(10);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(34);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(16);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(22);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(10);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(12);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(10);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(18);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(30);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(9);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(21);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(30);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(9);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(21);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(30);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(9);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(25);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(30);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(9);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(25);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(20);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string106.base, #t~string106.offset, 1);call write~init~int(115, #t~string106.base, 1 + #t~string106.offset, 1);call write~init~int(10, #t~string106.base, 2 + #t~string106.offset, 1);call write~init~int(0, #t~string106.base, 3 + #t~string106.offset, 1);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 15#L-1true havoc main_#res;havoc main_#t~nondet22, main_#t~ret23, main_~retValue_acc~28, main_~tmp~3;main_~retValue_acc~28 := main_#t~nondet22;havoc main_#t~nondet22;havoc main_~tmp~3; 307#L1990true havoc valid_product_#res;havoc valid_product_~retValue_acc~37;havoc valid_product_~retValue_acc~37;valid_product_~retValue_acc~37 := 1;valid_product_#res := valid_product_~retValue_acc~37; 144#L1998true main_#t~ret23 := valid_product_#res;main_~tmp~3 := main_#t~ret23;havoc main_#t~ret23; 209#L1664true assume 0 != main_~tmp~3;havoc setup_#t~nondet17, setup_#t~nondet19, setup_#t~nondet21, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 346#L1516true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 315#L1522-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string16.base, #t~string16.offset;havoc setup_#t~nondet17;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 350#L1516-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 292#L1522-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string18.base, #t~string18.offset;havoc setup_#t~nondet19;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 329#L1516-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 303#L1522-8true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string20.base, #t~string20.offset;havoc setup_#t~nondet21; 160#L1651true havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~12, test_~tmp___0~3, test_~tmp___1~3, test_~tmp___2~2, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~12;havoc test_~tmp___0~3;havoc test_~tmp___1~3;havoc test_~tmp___2~2;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 237#L2170-1true [2020-10-20 07:13:42,169 INFO L796 eck$LassoCheckResult]: Loop: 237#L2170-1true assume !false; 272#L2043true assume test_~splverifierCounter~0 < 4; 204#L2044true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 341#L2050true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet57;havoc test_#t~nondet57; 271#L2054true assume 0 != test_~tmp___9~0;test_~op1~0 := 1; 237#L2170-1true [2020-10-20 07:13:42,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:13:42,176 INFO L82 PathProgramCache]: Analyzing trace with hash -580026000, now seen corresponding path program 1 times [2020-10-20 07:13:42,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:13:42,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147600483] [2020-10-20 07:13:42,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:13:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:13:42,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:13:42,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147600483] [2020-10-20 07:13:42,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:13:42,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 07:13:42,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342785613] [2020-10-20 07:13:42,534 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:13:42,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:13:42,535 INFO L82 PathProgramCache]: Analyzing trace with hash 103192148, now seen corresponding path program 1 times [2020-10-20 07:13:42,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:13:42,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143857582] [2020-10-20 07:13:42,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:13:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:13:42,545 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:13:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:13:42,550 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:13:42,578 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:13:42,627 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:13:42,628 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:13:42,628 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:13:42,628 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:13:42,628 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 07:13:42,629 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:42,629 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:13:42,629 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:13:42,629 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product07.cil.c_Iteration1_Loop [2020-10-20 07:13:42,629 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:13:42,629 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:13:42,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:42,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:42,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:42,739 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:13:42,739 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:42,753 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:13:42,754 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:42,801 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:13:42,801 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 [2020-10-20 07:13:42,808 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 07:13:42,838 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:13:42,839 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:13:42,839 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:13:42,839 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:13:42,839 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:13:42,839 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:42,839 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:13:42,852 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:13:42,852 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product07.cil.c_Iteration1_Loop [2020-10-20 07:13:42,852 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:13:42,852 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:13:42,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:42,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:42,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:42,931 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:13:42,937 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:42,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:13:42,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:42,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:42,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:42,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:42,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:42,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:42,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:42,965 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:13:42,973 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 07:13:42,973 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:42,989 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:13:42,989 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 07:13:42,990 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:13:42,991 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:43,027 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 07:13:43,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:13:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:13:43,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:13:43,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:13:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:13:43,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 07:13:43,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:13:43,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:13:43,411 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-20 07:13:43,412 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 353 states. Second operand 4 states. [2020-10-20 07:13:43,678 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 353 states.. Second operand 4 states. Result 1602 states and 2707 transitions. Complement of second has 7 states. [2020-10-20 07:13:43,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 07:13:43,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 07:13:43,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1591 transitions. [2020-10-20 07:13:43,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1591 transitions. Stem has 12 letters. Loop has 5 letters. [2020-10-20 07:13:43,695 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:13:43,695 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1591 transitions. Stem has 17 letters. Loop has 5 letters. [2020-10-20 07:13:43,696 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:13:43,696 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1591 transitions. Stem has 12 letters. Loop has 10 letters. [2020-10-20 07:13:43,696 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:13:43,697 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1602 states and 2707 transitions. [2020-10-20 07:13:43,731 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 143 [2020-10-20 07:13:43,748 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1602 states to 307 states and 563 transitions. [2020-10-20 07:13:43,750 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 162 [2020-10-20 07:13:43,752 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 163 [2020-10-20 07:13:43,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 307 states and 563 transitions. [2020-10-20 07:13:43,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:13:43,756 INFO L691 BuchiCegarLoop]: Abstraction has 307 states and 563 transitions. [2020-10-20 07:13:43,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states and 563 transitions. [2020-10-20 07:13:43,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 164. [2020-10-20 07:13:43,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-10-20 07:13:43,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 298 transitions. [2020-10-20 07:13:43,817 INFO L714 BuchiCegarLoop]: Abstraction has 164 states and 298 transitions. [2020-10-20 07:13:43,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:13:43,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 07:13:43,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 07:13:43,822 INFO L87 Difference]: Start difference. First operand 164 states and 298 transitions. Second operand 3 states. [2020-10-20 07:13:43,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:13:43,868 INFO L93 Difference]: Finished difference Result 312 states and 568 transitions. [2020-10-20 07:13:43,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 07:13:43,869 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 312 states and 568 transitions. [2020-10-20 07:13:43,872 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2020-10-20 07:13:43,875 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 312 states to 312 states and 568 transitions. [2020-10-20 07:13:43,875 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 166 [2020-10-20 07:13:43,876 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 166 [2020-10-20 07:13:43,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 312 states and 568 transitions. [2020-10-20 07:13:43,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:13:43,880 INFO L691 BuchiCegarLoop]: Abstraction has 312 states and 568 transitions. [2020-10-20 07:13:43,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states and 568 transitions. [2020-10-20 07:13:43,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 163. [2020-10-20 07:13:43,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-10-20 07:13:43,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 294 transitions. [2020-10-20 07:13:43,897 INFO L714 BuchiCegarLoop]: Abstraction has 163 states and 294 transitions. [2020-10-20 07:13:43,897 INFO L594 BuchiCegarLoop]: Abstraction has 163 states and 294 transitions. [2020-10-20 07:13:43,897 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 07:13:43,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 163 states and 294 transitions. [2020-10-20 07:13:43,899 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2020-10-20 07:13:43,899 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:13:43,899 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:13:43,901 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:13:43,902 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:13:43,902 INFO L794 eck$LassoCheckResult]: Stem: 2584#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(29);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(44);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(44);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(9);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(11);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(10);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(34);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(16);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(22);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(10);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(12);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(10);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(18);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(30);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(9);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(21);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(30);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(9);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(21);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(30);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(9);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(25);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(30);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(9);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(25);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(20);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string106.base, #t~string106.offset, 1);call write~init~int(115, #t~string106.base, 1 + #t~string106.offset, 1);call write~init~int(10, #t~string106.base, 2 + #t~string106.offset, 1);call write~init~int(0, #t~string106.base, 3 + #t~string106.offset, 1);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 2521#L-1 havoc main_#res;havoc main_#t~nondet22, main_#t~ret23, main_~retValue_acc~28, main_~tmp~3;main_~retValue_acc~28 := main_#t~nondet22;havoc main_#t~nondet22;havoc main_~tmp~3; 2522#L1990 havoc valid_product_#res;havoc valid_product_~retValue_acc~37;havoc valid_product_~retValue_acc~37;valid_product_~retValue_acc~37 := 1;valid_product_#res := valid_product_~retValue_acc~37; 2595#L1998 main_#t~ret23 := valid_product_#res;main_~tmp~3 := main_#t~ret23;havoc main_#t~ret23; 2573#L1664 assume 0 != main_~tmp~3;havoc setup_#t~nondet17, setup_#t~nondet19, setup_#t~nondet21, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 2574#L1516 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 2594#L1522-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string16.base, #t~string16.offset;havoc setup_#t~nondet17;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 2622#L1516-2 assume !(1 == setClientId_~handle); 2635#L1519-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 2549#L1522-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string18.base, #t~string18.offset;havoc setup_#t~nondet19;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 2550#L1516-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 2560#L1522-8 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string20.base, #t~string20.offset;havoc setup_#t~nondet21; 2581#L1651 havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~12, test_~tmp___0~3, test_~tmp___1~3, test_~tmp___2~2, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~12;havoc test_~tmp___0~3;havoc test_~tmp___1~3;havoc test_~tmp___2~2;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 2649#L2170-1 assume !false; 2633#L2043 [2020-10-20 07:13:43,903 INFO L796 eck$LassoCheckResult]: Loop: 2633#L2043 assume test_~splverifierCounter~0 < 4; 2533#L2044 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 2534#L2050 assume !(0 == test_~op1~0); 2641#L2060 assume !(0 == test_~op2~0); 2616#L2074 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet59;havoc test_#t~nondet59; 2617#L2079 assume 0 != test_~tmp___7~0;test_~op3~0 := 1; 2591#L2170-1 assume !false; 2633#L2043 [2020-10-20 07:13:43,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:13:43,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1897365039, now seen corresponding path program 1 times [2020-10-20 07:13:43,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:13:43,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695789394] [2020-10-20 07:13:43,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:13:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:13:44,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:13:44,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695789394] [2020-10-20 07:13:44,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:13:44,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 07:13:44,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723833860] [2020-10-20 07:13:44,025 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:13:44,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:13:44,025 INFO L82 PathProgramCache]: Analyzing trace with hash -235666265, now seen corresponding path program 1 times [2020-10-20 07:13:44,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:13:44,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918879147] [2020-10-20 07:13:44,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:13:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:13:44,032 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:13:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:13:44,036 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:13:44,045 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:13:44,108 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:13:44,108 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:13:44,108 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:13:44,108 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:13:44,108 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 07:13:44,108 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:44,108 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:13:44,108 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:13:44,109 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product07.cil.c_Iteration2_Loop [2020-10-20 07:13:44,109 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:13:44,109 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:13:44,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:44,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:44,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:44,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:44,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:44,223 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:13:44,224 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:44,227 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:13:44,228 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:44,234 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:13:44,235 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___7~0=2, ULTIMATE.start_test_#t~nondet59=2} Honda state: {ULTIMATE.start_test_~tmp___7~0=2, ULTIMATE.start_test_#t~nondet59=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:44,281 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:13:44,281 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:44,286 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:13:44,286 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=-5} Honda state: {ULTIMATE.start_test_~op1~0=-5} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:44,337 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:13:44,337 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:44,402 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:13:44,403 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:44,444 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 07:13:44,446 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:13:44,446 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:13:44,446 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:13:44,447 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:13:44,447 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:13:44,447 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:44,447 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:13:44,448 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:13:44,448 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product07.cil.c_Iteration2_Loop [2020-10-20 07:13:44,448 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:13:44,448 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:13:44,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:44,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:44,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:44,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:44,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:44,560 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:13:44,560 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 07:13:44,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:13:44,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:44,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:44,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:44,581 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 07:13:44,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:44,583 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 07:13:44,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:13:44,593 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:44,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:13:44,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:44,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:44,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:44,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:44,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:44,635 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:44,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:13:44,637 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:13:44,647 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 07:13:44,647 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:44,653 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:13:44,654 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 07:13:44,654 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:13:44,654 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2020-10-20 07:13:44,683 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 07:13:44,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:13:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:13:44,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:13:44,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:13:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:13:44,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 07:13:44,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:13:44,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:13:44,874 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-10-20 07:13:44,874 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 163 states and 294 transitions. cyclomatic complexity: 133 Second operand 4 states. [2020-10-20 07:13:44,908 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 163 states and 294 transitions. cyclomatic complexity: 133. Second operand 4 states. Result 311 states and 568 transitions. Complement of second has 6 states. [2020-10-20 07:13:44,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 07:13:44,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 07:13:44,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 159 transitions. [2020-10-20 07:13:44,911 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 159 transitions. Stem has 14 letters. Loop has 7 letters. [2020-10-20 07:13:44,911 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:13:44,911 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 159 transitions. Stem has 21 letters. Loop has 7 letters. [2020-10-20 07:13:44,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:13:44,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 159 transitions. Stem has 14 letters. Loop has 14 letters. [2020-10-20 07:13:44,913 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:13:44,913 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 311 states and 568 transitions. [2020-10-20 07:13:44,916 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:13:44,917 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 311 states to 0 states and 0 transitions. [2020-10-20 07:13:44,917 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:13:44,917 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:13:44,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:13:44,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:13:44,918 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:13:44,918 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:13:44,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:13:44,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 07:13:44,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 07:13:44,919 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-20 07:13:44,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:13:44,919 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-20 07:13:44,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 07:13:44,920 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-20 07:13:44,920 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:13:44,920 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 07:13:44,920 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:13:44,920 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:13:44,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:13:44,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:13:44,921 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:13:44,921 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:13:44,921 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:13:44,921 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 07:13:44,921 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 07:13:44,924 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:13:44,924 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 07:13:44,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 07:13:44 BoogieIcfgContainer [2020-10-20 07:13:44,933 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 07:13:44,938 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 07:13:44,938 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 07:13:44,939 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 07:13:44,939 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:13:42" (3/4) ... [2020-10-20 07:13:44,943 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 07:13:44,943 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 07:13:44,949 INFO L168 Benchmark]: Toolchain (without parser) took 5904.18 ms. Allocated memory was 36.2 MB in the beginning and 93.8 MB in the end (delta: 57.7 MB). Free memory was 14.5 MB in the beginning and 56.0 MB in the end (delta: -41.5 MB). Peak memory consumption was 16.1 MB. Max. memory is 14.3 GB. [2020-10-20 07:13:44,951 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 34.1 MB. Free memory was 9.8 MB in the beginning and 9.8 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. [2020-10-20 07:13:44,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 939.75 ms. Allocated memory was 36.2 MB in the beginning and 46.1 MB in the end (delta: 10.0 MB). Free memory was 13.5 MB in the beginning and 15.8 MB in the end (delta: -2.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 14.3 GB. [2020-10-20 07:13:44,961 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.40 ms. Allocated memory was 46.1 MB in the beginning and 48.8 MB in the end (delta: 2.6 MB). Free memory was 15.6 MB in the beginning and 26.8 MB in the end (delta: -11.2 MB). Peak memory consumption was 5.8 MB. Max. memory is 14.3 GB. [2020-10-20 07:13:44,962 INFO L168 Benchmark]: Boogie Preprocessor took 79.07 ms. Allocated memory is still 48.8 MB. Free memory was 26.8 MB in the beginning and 20.7 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 14.3 GB. [2020-10-20 07:13:44,963 INFO L168 Benchmark]: RCFGBuilder took 1811.25 ms. Allocated memory was 48.8 MB in the beginning and 74.4 MB in the end (delta: 25.7 MB). Free memory was 20.7 MB in the beginning and 39.0 MB in the end (delta: -18.3 MB). Peak memory consumption was 33.1 MB. Max. memory is 14.3 GB. [2020-10-20 07:13:44,965 INFO L168 Benchmark]: BuchiAutomizer took 2920.49 ms. Allocated memory was 74.4 MB in the beginning and 93.8 MB in the end (delta: 19.4 MB). Free memory was 39.0 MB in the beginning and 57.0 MB in the end (delta: -18.0 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. [2020-10-20 07:13:44,965 INFO L168 Benchmark]: Witness Printer took 5.46 ms. Allocated memory is still 93.8 MB. Free memory was 57.0 MB in the beginning and 56.0 MB in the end (delta: 989.9 kB). Peak memory consumption was 989.9 kB. Max. memory is 14.3 GB. [2020-10-20 07:13:44,984 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 34.1 MB. Free memory was 9.8 MB in the beginning and 9.8 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 939.75 ms. Allocated memory was 36.2 MB in the beginning and 46.1 MB in the end (delta: 10.0 MB). Free memory was 13.5 MB in the beginning and 15.8 MB in the end (delta: -2.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 133.40 ms. Allocated memory was 46.1 MB in the beginning and 48.8 MB in the end (delta: 2.6 MB). Free memory was 15.6 MB in the beginning and 26.8 MB in the end (delta: -11.2 MB). Peak memory consumption was 5.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 79.07 ms. Allocated memory is still 48.8 MB. Free memory was 26.8 MB in the beginning and 20.7 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1811.25 ms. Allocated memory was 48.8 MB in the beginning and 74.4 MB in the end (delta: 25.7 MB). Free memory was 20.7 MB in the beginning and 39.0 MB in the end (delta: -18.3 MB). Peak memory consumption was 33.1 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 2920.49 ms. Allocated memory was 74.4 MB in the beginning and 93.8 MB in the end (delta: 19.4 MB). Free memory was 39.0 MB in the beginning and 57.0 MB in the end (delta: -18.0 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. * Witness Printer took 5.46 ms. Allocated memory is still 93.8 MB. Free memory was 57.0 MB in the beginning and 56.0 MB in the end (delta: 989.9 kB). Peak memory consumption was 989.9 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op1 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 292 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 163 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1585 SDtfs, 1432 SDslu, 2061 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax100 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...