./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec8_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 54858612 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_1.5.800.v20200727-1323.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_spec8_product28.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 f84e6afac598960ca0e6f8c50ce2652ee26dcb9a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 05:00:06,667 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 05:00:06,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 05:00:06,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 05:00:06,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 05:00:06,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 05:00:06,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 05:00:06,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 05:00:06,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 05:00:06,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 05:00:06,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 05:00:06,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 05:00:06,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 05:00:06,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 05:00:06,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 05:00:06,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 05:00:06,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 05:00:06,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 05:00:06,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 05:00:06,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 05:00:06,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 05:00:06,781 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 05:00:06,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 05:00:06,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 05:00:06,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 05:00:06,793 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 05:00:06,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 05:00:06,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 05:00:06,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 05:00:06,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 05:00:06,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 05:00:06,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 05:00:06,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 05:00:06,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 05:00:06,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 05:00:06,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 05:00:06,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 05:00:06,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 05:00:06,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 05:00:06,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 05:00:06,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 05:00:06,809 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-26 05:00:06,863 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 05:00:06,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 05:00:06,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 05:00:06,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 05:00:06,865 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 05:00:06,865 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 05:00:06,866 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 05:00:06,866 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 05:00:06,866 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 05:00:06,866 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 05:00:06,867 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 05:00:06,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 05:00:06,867 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 05:00:06,867 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 05:00:06,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 05:00:06,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 05:00:06,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 05:00:06,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 05:00:06,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 05:00:06,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 05:00:06,869 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 05:00:06,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 05:00:06,870 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 05:00:06,870 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 05:00:06,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 05:00:06,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 05:00:06,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 05:00:06,871 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 05:00:06,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 05:00:06,872 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 05:00:06,872 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 05:00:06,872 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 05:00:06,873 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 05:00:06,873 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f84e6afac598960ca0e6f8c50ce2652ee26dcb9a [2020-10-26 05:00:07,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 05:00:07,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 05:00:07,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 05:00:07,269 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 05:00:07,271 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 05:00:07,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product28.cil.c [2020-10-26 05:00:07,345 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3c273c3b/51676f1495554ddebd27a0517ca263c2/FLAG824d84917 [2020-10-26 05:00:08,062 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 05:00:08,063 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product28.cil.c [2020-10-26 05:00:08,097 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3c273c3b/51676f1495554ddebd27a0517ca263c2/FLAG824d84917 [2020-10-26 05:00:08,222 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3c273c3b/51676f1495554ddebd27a0517ca263c2 [2020-10-26 05:00:08,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 05:00:08,231 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 05:00:08,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 05:00:08,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 05:00:08,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 05:00:08,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 05:00:08" (1/1) ... [2020-10-26 05:00:08,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17c27510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:00:08, skipping insertion in model container [2020-10-26 05:00:08,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 05:00:08" (1/1) ... [2020-10-26 05:00:08,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 05:00:08,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 05:00:08,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 05:00:08,996 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 05:00:09,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 05:00:09,254 INFO L208 MainTranslator]: Completed translation [2020-10-26 05:00:09,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:00:09 WrapperNode [2020-10-26 05:00:09,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 05:00:09,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 05:00:09,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 05:00:09,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 05:00:09,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:00:09" (1/1) ... [2020-10-26 05:00:09,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:00:09" (1/1) ... [2020-10-26 05:00:09,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 05:00:09,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 05:00:09,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 05:00:09,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 05:00:09,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:00:09" (1/1) ... [2020-10-26 05:00:09,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:00:09" (1/1) ... [2020-10-26 05:00:09,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:00:09" (1/1) ... [2020-10-26 05:00:09,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:00:09" (1/1) ... [2020-10-26 05:00:09,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:00:09" (1/1) ... [2020-10-26 05:00:09,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:00:09" (1/1) ... [2020-10-26 05:00:09,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:00:09" (1/1) ... [2020-10-26 05:00:09,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 05:00:09,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 05:00:09,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 05:00:09,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 05:00:09,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:00:09" (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 [2020-10-26 05:00:09,635 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-26 05:00:09,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 05:00:09,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 05:00:09,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 05:00:09,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 05:00:11,956 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 05:00:11,956 INFO L298 CfgBuilder]: Removed 299 assume(true) statements. [2020-10-26 05:00:11,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 05:00:11 BoogieIcfgContainer [2020-10-26 05:00:11,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 05:00:11,960 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 05:00:11,961 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 05:00:11,964 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 05:00:11,965 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 05:00:11,966 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 05:00:08" (1/3) ... [2020-10-26 05:00:11,967 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36fd4b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 05:00:11, skipping insertion in model container [2020-10-26 05:00:11,967 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 05:00:11,967 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:00:09" (2/3) ... [2020-10-26 05:00:11,968 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36fd4b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 05:00:11, skipping insertion in model container [2020-10-26 05:00:11,968 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 05:00:11,968 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 05:00:11" (3/3) ... [2020-10-26 05:00:11,970 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec8_product28.cil.c [2020-10-26 05:00:12,018 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 05:00:12,018 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 05:00:12,018 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 05:00:12,019 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 05:00:12,019 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 05:00:12,019 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 05:00:12,019 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 05:00:12,019 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 05:00:12,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 477 states. [2020-10-26 05:00:12,100 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2020-10-26 05:00:12,101 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 05:00:12,101 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 05:00:12,113 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 05:00:12,113 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-26 05:00:12,114 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 05:00:12,114 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 477 states. [2020-10-26 05:00:12,146 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2020-10-26 05:00:12,146 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 05:00:12,147 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 05:00:12,152 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 05:00:12,153 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-26 05:00:12,167 INFO L794 eck$LassoCheckResult]: Stem: 321#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(10);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(12);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(10);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(18);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(16);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(16);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string48.base, #t~string48.offset, 1);call write~init~int(115, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(10, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(17);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(17);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(17);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(30);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(9);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(21);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(30);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(9);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(21);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(30);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(9);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(25);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(30);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(9);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(25);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(44);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(44);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(9);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(9);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(11);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(19);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string114.base, #t~string114.offset, 1);call write~init~int(100, #t~string114.base, 1 + #t~string114.offset, 1);call write~init~int(10, #t~string114.base, 2 + #t~string114.offset, 1);call write~init~int(0, #t~string114.base, 3 + #t~string114.offset, 1);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string117.base, #t~string117.offset, 1);call write~init~int(100, #t~string117.base, 1 + #t~string117.offset, 1);call write~init~int(10, #t~string117.base, 2 + #t~string117.offset, 1);call write~init~int(0, #t~string117.base, 3 + #t~string117.offset, 1);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(10);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(16);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(20);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~in_encrypted~0 := 0;~__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;~head~0.base, ~head~0.offset := 0, 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~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; 250#L-1true havoc main_#res;havoc main_#t~nondet108, main_#t~ret109, main_~retValue_acc~21, main_~tmp~11;main_~retValue_acc~21 := main_#t~nondet108;havoc main_#t~nondet108;havoc main_~tmp~11; 323#L77true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 457#L85true main_#t~ret109 := valid_product_#res;main_~tmp~11 := main_#t~ret109;havoc main_#t~ret109; 259#L1452true assume 0 != main_~tmp~11;havoc setup_#t~nondet103, setup_#t~nondet105, setup_#t~nondet107, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 230#L2953true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 439#L2959-2true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 469#L2518true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 217#L2524-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string102.base, #t~string102.offset;havoc setup_#t~nondet103;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 231#L2953-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 449#L2959-5true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 459#L2518-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 204#L2524-5true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string104.base, #t~string104.offset;havoc setup_#t~nondet105;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 239#L2953-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 419#L2959-8true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 460#L2518-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 195#L2524-8true setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string106.base, #t~string106.offset;havoc setup_#t~nondet107; 474#L1439true havoc test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_#t~nondet18, 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~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 141#L280-1true [2020-10-26 05:00:12,171 INFO L796 eck$LassoCheckResult]: Loop: 141#L280-1true assume !false; 74#L138true assume test_~splverifierCounter~0 < 4; 365#L139true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 242#L145true assume !(0 == test_~op1~0); 43#L158true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet9;havoc test_#t~nondet9; 302#L163true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 141#L280-1true [2020-10-26 05:00:12,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:00:12,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2020-10-26 05:00:12,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:00:12,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987836851] [2020-10-26 05:00:12,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:00:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:00:12,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 05:00:12,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987836851] [2020-10-26 05:00:12,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 05:00:12,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 05:00:12,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643257199] [2020-10-26 05:00:12,623 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 05:00:12,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:00:12,624 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2020-10-26 05:00:12,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:00:12,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816279622] [2020-10-26 05:00:12,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:00:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:00:12,637 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:00:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:00:12,644 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:00:12,676 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 05:00:12,733 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 05:00:12,734 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 05:00:12,734 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 05:00:12,734 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 05:00:12,734 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 05:00:12,735 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:00:12,735 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 05:00:12,735 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 05:00:12,735 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product28.cil.c_Iteration1_Loop [2020-10-26 05:00:12,736 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 05:00:12,736 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 05:00:12,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:00:12,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:00:12,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:00:12,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:00:12,921 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 05:00:12,922 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) [2020-10-26 05:00:12,932 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 05:00:12,932 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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:00:12,977 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 05:00:12,977 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 05:00:12,984 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 05:00:13,012 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 05:00:13,013 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 05:00:13,013 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 05:00:13,013 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 05:00:13,013 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 05:00:13,013 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:00:13,013 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 05:00:13,013 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 05:00:13,014 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product28.cil.c_Iteration1_Loop [2020-10-26 05:00:13,014 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 05:00:13,014 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 05:00:13,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:00:13,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:00:13,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:00:13,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:00:13,130 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 05:00:13,135 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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:00:13,143 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 [2020-10-26 05:00:13,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:00:13,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:00:13,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:00:13,146 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-26 05:00:13,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:00:13,151 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-26 05:00:13,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:00:13,156 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:00:13,215 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 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:00:13,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:00:13,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:00:13,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:00:13,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:00:13,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:00:13,221 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:00:13,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:00:13,225 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 05:00:13,236 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-26 05:00:13,236 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:00:13,242 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 05:00:13,242 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 05:00:13,242 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 05:00:13,243 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2020-10-26 05:00:13,278 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 05:00:13,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:00:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:00:13,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 05:00:13,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 05:00:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:00:13,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 05:00:13,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 05:00:13,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 05:00:13,640 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 [2020-10-26 05:00:13,642 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 477 states. Second operand 4 states. [2020-10-26 05:00:13,924 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 477 states.. Second operand 4 states. Result 2054 states and 3586 transitions. Complement of second has 7 states. [2020-10-26 05:00:13,925 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 [2020-10-26 05:00:13,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-26 05:00:13,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2022 transitions. [2020-10-26 05:00:13,935 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2022 transitions. Stem has 18 letters. Loop has 6 letters. [2020-10-26 05:00:13,936 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 05:00:13,937 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2022 transitions. Stem has 24 letters. Loop has 6 letters. [2020-10-26 05:00:13,937 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 05:00:13,937 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2022 transitions. Stem has 18 letters. Loop has 12 letters. [2020-10-26 05:00:13,938 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 05:00:13,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2054 states and 3586 transitions. [2020-10-26 05:00:13,968 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 415 [2020-10-26 05:00:13,987 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2054 states to 863 states and 1568 transitions. [2020-10-26 05:00:13,989 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 446 [2020-10-26 05:00:13,991 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 447 [2020-10-26 05:00:13,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 863 states and 1568 transitions. [2020-10-26 05:00:13,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 05:00:13,992 INFO L691 BuchiCegarLoop]: Abstraction has 863 states and 1568 transitions. [2020-10-26 05:00:14,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states and 1568 transitions. [2020-10-26 05:00:14,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 448. [2020-10-26 05:00:14,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2020-10-26 05:00:14,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 811 transitions. [2020-10-26 05:00:14,065 INFO L714 BuchiCegarLoop]: Abstraction has 448 states and 811 transitions. [2020-10-26 05:00:14,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 05:00:14,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 05:00:14,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 05:00:14,071 INFO L87 Difference]: Start difference. First operand 448 states and 811 transitions. Second operand 3 states. [2020-10-26 05:00:14,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 05:00:14,132 INFO L93 Difference]: Finished difference Result 876 states and 1587 transitions. [2020-10-26 05:00:14,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 05:00:14,133 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 876 states and 1587 transitions. [2020-10-26 05:00:14,142 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 416 [2020-10-26 05:00:14,150 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 876 states to 876 states and 1587 transitions. [2020-10-26 05:00:14,151 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 458 [2020-10-26 05:00:14,152 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 458 [2020-10-26 05:00:14,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 876 states and 1587 transitions. [2020-10-26 05:00:14,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 05:00:14,152 INFO L691 BuchiCegarLoop]: Abstraction has 876 states and 1587 transitions. [2020-10-26 05:00:14,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states and 1587 transitions. [2020-10-26 05:00:14,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 447. [2020-10-26 05:00:14,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2020-10-26 05:00:14,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 807 transitions. [2020-10-26 05:00:14,169 INFO L714 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2020-10-26 05:00:14,169 INFO L594 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2020-10-26 05:00:14,169 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 05:00:14,170 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 447 states and 807 transitions. [2020-10-26 05:00:14,173 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2020-10-26 05:00:14,173 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 05:00:14,173 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 05:00:14,175 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 05:00:14,175 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 05:00:14,175 INFO L794 eck$LassoCheckResult]: Stem: 4255#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(10);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(12);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(10);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(18);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(16);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(16);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string48.base, #t~string48.offset, 1);call write~init~int(115, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(10, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(17);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(17);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(17);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(30);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(9);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(21);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(30);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(9);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(21);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(30);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(9);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(25);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(30);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(9);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(25);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(44);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(44);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(9);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(9);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(11);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(19);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string114.base, #t~string114.offset, 1);call write~init~int(100, #t~string114.base, 1 + #t~string114.offset, 1);call write~init~int(10, #t~string114.base, 2 + #t~string114.offset, 1);call write~init~int(0, #t~string114.base, 3 + #t~string114.offset, 1);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string117.base, #t~string117.offset, 1);call write~init~int(100, #t~string117.base, 1 + #t~string117.offset, 1);call write~init~int(10, #t~string117.base, 2 + #t~string117.offset, 1);call write~init~int(0, #t~string117.base, 3 + #t~string117.offset, 1);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(10);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(16);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(20);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~in_encrypted~0 := 0;~__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;~head~0.base, ~head~0.offset := 0, 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~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; 4016#L-1 havoc main_#res;havoc main_#t~nondet108, main_#t~ret109, main_~retValue_acc~21, main_~tmp~11;main_~retValue_acc~21 := main_#t~nondet108;havoc main_#t~nondet108;havoc main_~tmp~11; 4017#L77 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 4265#L85 main_#t~ret109 := valid_product_#res;main_~tmp~11 := main_#t~ret109;havoc main_#t~ret109; 4088#L1452 assume 0 != main_~tmp~11;havoc setup_#t~nondet103, setup_#t~nondet105, setup_#t~nondet107, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4089#L2953 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4309#L2959-2 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 4397#L2518 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4293#L2524-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string102.base, #t~string102.offset;havoc setup_#t~nondet103;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4399#L2953-2 assume !(1 == setClientId_~handle); 4315#L2956-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4316#L2959-5 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 4398#L2518-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4296#L2524-5 setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string104.base, #t~string104.offset;havoc setup_#t~nondet105;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4396#L2953-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4264#L2959-8 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 4379#L2518-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4318#L2524-8 setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string106.base, #t~string106.offset;havoc setup_#t~nondet107; 4378#L1439 havoc test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_#t~nondet18, 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~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 4400#L280-1 assume !false; 4195#L138 [2020-10-26 05:00:14,175 INFO L796 eck$LassoCheckResult]: Loop: 4195#L138 assume test_~splverifierCounter~0 < 4; 4196#L139 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4342#L145 assume !(0 == test_~op1~0); 4094#L158 assume !(0 == test_~op2~0); 4095#L169 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet10;havoc test_#t~nondet10; 4107#L174 assume 0 != test_~tmp___7~0;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := ~rjh~0, 0;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 4173#L2518-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4244#L2524-11 test_~op3~0 := 1; 3955#L280-1 assume !false; 4195#L138 [2020-10-26 05:00:14,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:00:14,176 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2020-10-26 05:00:14,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:00:14,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224853249] [2020-10-26 05:00:14,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:00:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:00:14,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 05:00:14,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224853249] [2020-10-26 05:00:14,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 05:00:14,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-26 05:00:14,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132023986] [2020-10-26 05:00:14,330 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 05:00:14,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:00:14,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2020-10-26 05:00:14,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:00:14,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239382155] [2020-10-26 05:00:14,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:00:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:00:14,352 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:00:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:00:14,358 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:00:14,370 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 05:00:14,450 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 05:00:14,451 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 05:00:14,451 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 05:00:14,451 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 05:00:14,451 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 05:00:14,451 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:00:14,451 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 05:00:14,451 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 05:00:14,451 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product28.cil.c_Iteration2_Loop [2020-10-26 05:00:14,452 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 05:00:14,452 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 05:00:14,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:00:14,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:00:14,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:00:14,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:00:14,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:00:14,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:00:14,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:00:14,668 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 05:00:14,668 INFO L404 LassoAnalysis]: Checking for nontermination... 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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:00:14,675 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 05:00:14,676 INFO L160 nArgumentSynthesizer]: Using integer mode. 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) [2020-10-26 05:00:14,720 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 05:00:14,721 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:00:14,758 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 05:00:14,760 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 05:00:14,760 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 05:00:14,760 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 05:00:14,760 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 05:00:14,760 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 05:00:14,761 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:00:14,761 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 05:00:14,761 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 05:00:14,761 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product28.cil.c_Iteration2_Loop [2020-10-26 05:00:14,761 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 05:00:14,761 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 05:00:14,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:00:14,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:00:14,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:00:14,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:00:14,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:00:14,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:00:14,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:00:14,967 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 05:00:14,967 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-10-26 05:00:14,973 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 [2020-10-26 05:00:14,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:00:14,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:00:14,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:00:14,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:00:14,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:00:14,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:00:14,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:00:14,981 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 05:00:14,988 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-26 05:00:14,988 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:00:14,994 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 05:00:14,994 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 05:00:14,994 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 05:00:14,994 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:00:15,026 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 05:00:15,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:00:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:00:15,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 05:00:15,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 05:00:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:00:15,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 05:00:15,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 05:00:15,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 05:00:15,330 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 [2020-10-26 05:00:15,330 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362 Second operand 4 states. [2020-10-26 05:00:15,369 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362. Second operand 4 states. Result 867 states and 1573 transitions. Complement of second has 6 states. [2020-10-26 05:00:15,370 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 [2020-10-26 05:00:15,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-26 05:00:15,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 426 transitions. [2020-10-26 05:00:15,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 9 letters. [2020-10-26 05:00:15,373 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 05:00:15,373 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 29 letters. Loop has 9 letters. [2020-10-26 05:00:15,373 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 05:00:15,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 18 letters. [2020-10-26 05:00:15,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 05:00:15,378 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 867 states and 1573 transitions. [2020-10-26 05:00:15,387 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 05:00:15,387 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 867 states to 0 states and 0 transitions. [2020-10-26 05:00:15,387 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 05:00:15,387 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 05:00:15,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 05:00:15,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 05:00:15,388 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 05:00:15,388 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 05:00:15,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 05:00:15,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 05:00:15,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-26 05:00:15,391 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2020-10-26 05:00:15,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 05:00:15,391 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-26 05:00:15,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-26 05:00:15,392 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-26 05:00:15,392 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 05:00:15,392 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 05:00:15,392 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 05:00:15,393 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 05:00:15,393 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 05:00:15,393 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 05:00:15,393 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 05:00:15,393 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 05:00:15,393 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 05:00:15,394 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-26 05:00:15,394 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 05:00:15,394 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 05:00:15,394 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 05:00:15,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 05:00:15 BoogieIcfgContainer [2020-10-26 05:00:15,401 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 05:00:15,404 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 05:00:15,404 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 05:00:15,404 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 05:00:15,405 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 05:00:11" (3/4) ... [2020-10-26 05:00:15,408 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 05:00:15,409 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 05:00:15,412 INFO L168 Benchmark]: Toolchain (without parser) took 7183.58 ms. Allocated memory was 52.4 MB in the beginning and 155.2 MB in the end (delta: 102.8 MB). Free memory was 26.8 MB in the beginning and 78.3 MB in the end (delta: -51.6 MB). Peak memory consumption was 53.1 MB. Max. memory is 16.1 GB. [2020-10-26 05:00:15,413 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 41.9 MB. Free memory was 21.5 MB in the beginning and 21.4 MB in the end (delta: 32.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 05:00:15,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1024.45 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 26.1 MB in the beginning and 32.9 MB in the end (delta: -6.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-10-26 05:00:15,416 INFO L168 Benchmark]: Boogie Procedure Inliner took 197.31 ms. Allocated memory is still 62.9 MB. Free memory was 32.6 MB in the beginning and 37.6 MB in the end (delta: -5.0 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2020-10-26 05:00:15,422 INFO L168 Benchmark]: Boogie Preprocessor took 91.01 ms. Allocated memory is still 62.9 MB. Free memory was 37.3 MB in the beginning and 30.4 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-26 05:00:15,424 INFO L168 Benchmark]: RCFGBuilder took 2408.25 ms. Allocated memory was 62.9 MB in the beginning and 107.0 MB in the end (delta: 44.0 MB). Free memory was 30.4 MB in the beginning and 56.5 MB in the end (delta: -26.0 MB). Peak memory consumption was 47.8 MB. Max. memory is 16.1 GB. [2020-10-26 05:00:15,424 INFO L168 Benchmark]: BuchiAutomizer took 3441.10 ms. Allocated memory was 107.0 MB in the beginning and 155.2 MB in the end (delta: 48.2 MB). Free memory was 56.5 MB in the beginning and 78.3 MB in the end (delta: -21.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-10-26 05:00:15,425 INFO L168 Benchmark]: Witness Printer took 4.88 ms. Allocated memory is still 155.2 MB. Free memory is still 78.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 05:00:15,438 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 41.9 MB. Free memory was 21.5 MB in the beginning and 21.4 MB in the end (delta: 32.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1024.45 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 26.1 MB in the beginning and 32.9 MB in the end (delta: -6.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 197.31 ms. Allocated memory is still 62.9 MB. Free memory was 32.6 MB in the beginning and 37.6 MB in the end (delta: -5.0 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 91.01 ms. Allocated memory is still 62.9 MB. Free memory was 37.3 MB in the beginning and 30.4 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2408.25 ms. Allocated memory was 62.9 MB in the beginning and 107.0 MB in the end (delta: 44.0 MB). Free memory was 30.4 MB in the beginning and 56.5 MB in the end (delta: -26.0 MB). Peak memory consumption was 47.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3441.10 ms. Allocated memory was 107.0 MB in the beginning and 155.2 MB in the end (delta: 48.2 MB). Free memory was 56.5 MB in the beginning and 78.3 MB in the end (delta: -21.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.88 ms. Allocated memory is still 155.2 MB. Free memory is still 78.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 844 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 447 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2848 SDtfs, 2436 SDslu, 3485 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 20ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...