./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec8_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/email_spec8_product16.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 14ad5fb871a87fc81cb2cedc54d10c09f7298b23 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 07:15:46,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 07:15:46,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 07:15:46,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 07:15:46,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 07:15:46,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 07:15:46,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 07:15:46,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 07:15:46,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 07:15:46,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 07:15:46,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 07:15:46,826 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 07:15:46,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 07:15:46,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 07:15:46,828 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 07:15:46,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 07:15:46,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 07:15:46,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 07:15:46,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 07:15:46,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 07:15:46,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 07:15:46,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 07:15:46,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 07:15:46,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 07:15:46,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 07:15:46,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 07:15:46,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 07:15:46,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 07:15:46,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 07:15:46,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 07:15:46,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 07:15:46,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 07:15:46,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 07:15:46,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 07:15:46,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 07:15:46,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 07:15:46,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 07:15:46,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 07:15:46,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 07:15:46,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 07:15:46,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 07:15:46,876 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 07:15:46,918 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 07:15:46,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 07:15:46,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 07:15:46,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 07:15:46,921 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 07:15:46,921 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 07:15:46,921 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 07:15:46,922 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 07:15:46,922 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 07:15:46,922 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 07:15:46,923 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 07:15:46,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 07:15:46,924 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 07:15:46,924 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 07:15:46,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 07:15:46,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 07:15:46,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 07:15:46,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 07:15:46,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 07:15:46,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 07:15:46,926 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 07:15:46,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 07:15:46,927 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 07:15:46,927 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 07:15:46,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 07:15:46,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 07:15:46,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 07:15:46,928 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 07:15:46,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 07:15:46,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 07:15:46,929 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 07:15:46,929 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 07:15:46,931 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 07:15:46,931 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14ad5fb871a87fc81cb2cedc54d10c09f7298b23 [2020-10-20 07:15:47,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 07:15:47,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 07:15:47,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 07:15:47,179 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 07:15:47,180 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 07:15:47,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product16.cil.c [2020-10-20 07:15:47,261 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7baa507f7/95ee35a1f5ba4396bed294791614d716/FLAG1afb94ee4 [2020-10-20 07:15:47,912 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 07:15:47,913 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product16.cil.c [2020-10-20 07:15:47,950 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7baa507f7/95ee35a1f5ba4396bed294791614d716/FLAG1afb94ee4 [2020-10-20 07:15:48,088 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7baa507f7/95ee35a1f5ba4396bed294791614d716 [2020-10-20 07:15:48,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 07:15:48,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 07:15:48,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 07:15:48,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 07:15:48,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 07:15:48,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:15:48" (1/1) ... [2020-10-20 07:15:48,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35067116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:15:48, skipping insertion in model container [2020-10-20 07:15:48,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:15:48" (1/1) ... [2020-10-20 07:15:48,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 07:15:48,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 07:15:48,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:15:49,003 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 07:15:49,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:15:49,234 INFO L208 MainTranslator]: Completed translation [2020-10-20 07:15:49,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:15:49 WrapperNode [2020-10-20 07:15:49,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 07:15:49,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 07:15:49,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 07:15:49,235 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 07:15:49,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:15:49" (1/1) ... [2020-10-20 07:15:49,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:15:49" (1/1) ... [2020-10-20 07:15:49,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 07:15:49,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 07:15:49,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 07:15:49,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 07:15:49,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:15:49" (1/1) ... [2020-10-20 07:15:49,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:15:49" (1/1) ... [2020-10-20 07:15:49,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:15:49" (1/1) ... [2020-10-20 07:15:49,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:15:49" (1/1) ... [2020-10-20 07:15:49,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:15:49" (1/1) ... [2020-10-20 07:15:49,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:15:49" (1/1) ... [2020-10-20 07:15:49,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:15:49" (1/1) ... [2020-10-20 07:15:49,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 07:15:49,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 07:15:49,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 07:15:49,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 07:15:49,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:15:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:15:49,603 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-20 07:15:49,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 07:15:49,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 07:15:49,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 07:15:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 07:15:51,622 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 07:15:51,623 INFO L298 CfgBuilder]: Removed 299 assume(true) statements. [2020-10-20 07:15:51,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:15:51 BoogieIcfgContainer [2020-10-20 07:15:51,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 07:15:51,626 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 07:15:51,626 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 07:15:51,630 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 07:15:51,631 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:15:51,631 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 07:15:48" (1/3) ... [2020-10-20 07:15:51,632 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c18167e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:15:51, skipping insertion in model container [2020-10-20 07:15:51,632 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:15:51,632 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:15:49" (2/3) ... [2020-10-20 07:15:51,633 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c18167e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:15:51, skipping insertion in model container [2020-10-20 07:15:51,633 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:15:51,633 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:15:51" (3/3) ... [2020-10-20 07:15:51,635 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec8_product16.cil.c [2020-10-20 07:15:51,681 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 07:15:51,682 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 07:15:51,682 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 07:15:51,682 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 07:15:51,682 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 07:15:51,682 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 07:15:51,682 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 07:15:51,683 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 07:15:51,708 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 451 states. [2020-10-20 07:15:51,767 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2020-10-20 07:15:51,768 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:15:51,768 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:15:51,779 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:15:51,779 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-20 07:15:51,779 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 07:15:51,779 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 451 states. [2020-10-20 07:15:51,793 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2020-10-20 07:15:51,793 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:15:51,793 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:15:51,795 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:15:51,796 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-20 07:15:51,803 INFO L794 eck$LassoCheckResult]: Stem: 292#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~string10.base, #t~string10.offset := #Ultimate.allocOnStack(10);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(12);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(10);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(18);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(16);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(44);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(44);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(11);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(19);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string82.base, #t~string82.offset, 1);call write~init~int(100, #t~string82.base, 1 + #t~string82.offset, 1);call write~init~int(10, #t~string82.base, 2 + #t~string82.offset, 1);call write~init~int(0, #t~string82.base, 3 + #t~string82.offset, 1);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string85.base, #t~string85.offset, 1);call write~init~int(100, #t~string85.base, 1 + #t~string85.offset, 1);call write~init~int(10, #t~string85.base, 2 + #t~string85.offset, 1);call write~init~int(0, #t~string85.base, 3 + #t~string85.offset, 1);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(17);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(17);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(13);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(17);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(115, #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~string116.base, #t~string116.offset := #Ultimate.allocOnStack(10);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(16);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(20);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(21);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~bob~0 := 0;~rjh~0 := 0;~chuck~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;~in_encrypted~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 213#L-1true havoc main_#res;havoc main_#t~ret77, main_~retValue_acc~24, main_~tmp~9;havoc main_~retValue_acc~24;havoc main_~tmp~9; 106#L2600true havoc valid_product_#res;havoc valid_product_~retValue_acc~37;havoc valid_product_~retValue_acc~37;valid_product_~retValue_acc~37 := 1;valid_product_#res := valid_product_~retValue_acc~37; 235#L2608true main_#t~ret77 := valid_product_#res;main_~tmp~9 := main_#t~ret77;havoc main_#t~ret77; 315#L1772true assume 0 != main_~tmp~9;havoc setup_#t~nondet72, setup_#t~nondet74, setup_#t~nondet76, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.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; 161#L1104true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 258#L1110-2true 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; 424#L669true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 50#L675-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string71.base, #t~string71.offset;havoc setup_#t~nondet72;~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; 146#L1104-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 265#L1110-5true 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; 430#L669-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 33#L675-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string73.base, #t~string73.offset;havoc setup_#t~nondet74;~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; 149#L1104-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 237#L1110-8true 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; 416#L669-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 40#L675-8true setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string75.base, #t~string75.offset;havoc setup_#t~nondet76; 438#L1759true havoc test_#t~nondet102, test_#t~nondet103, test_#t~nondet104, test_#t~nondet105, test_#t~nondet106, test_#t~nondet107, test_#t~nondet108, test_#t~nondet109, test_#t~nondet110, test_#t~nondet111, test_#t~nondet112, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~12, test_~tmp___0~4, test_~tmp___1~2, test_~tmp___2~1, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~12;havoc test_~tmp___0~4;havoc test_~tmp___1~2;havoc test_~tmp___2~1;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; 37#L2547-1true [2020-10-20 07:15:51,803 INFO L796 eck$LassoCheckResult]: Loop: 37#L2547-1true assume !false; 104#L2402true assume test_~splverifierCounter~0 < 4; 162#L2403true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 277#L2409true assume !(0 == test_~op1~0); 294#L2422true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet103;havoc test_#t~nondet103; 102#L2427true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 37#L2547-1true [2020-10-20 07:15:51,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:15:51,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2020-10-20 07:15:51,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:15:51,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864758666] [2020-10-20 07:15:51,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:15:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:15:52,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:15:52,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864758666] [2020-10-20 07:15:52,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:15:52,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 07:15:52,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405894484] [2020-10-20 07:15:52,307 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:15:52,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:15:52,308 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2020-10-20 07:15:52,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:15:52,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966735168] [2020-10-20 07:15:52,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:15:52,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:15:52,323 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:15:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:15:52,335 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:15:52,383 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:15:52,440 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:15:52,441 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:15:52,441 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:15:52,441 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:15:52,441 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 07:15:52,441 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:15:52,442 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:15:52,442 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:15:52,442 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product16.cil.c_Iteration1_Loop [2020-10-20 07:15:52,442 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:15:52,442 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:15:52,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:15:52,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:15:52,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:15:52,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:15:52,599 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:15:52,600 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:15:52,612 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:15:52,613 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 [2020-10-20 07:15:52,653 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:15:52,653 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:15:52,659 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 07:15:52,685 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:15:52,685 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:15:52,685 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:15:52,686 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:15:52,686 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:15:52,686 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:15:52,686 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:15:52,686 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:15:52,686 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product16.cil.c_Iteration1_Loop [2020-10-20 07:15:52,686 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:15:52,686 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:15:52,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:15:52,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:15:52,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:15:52,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:15:52,800 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:15:52,806 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:15:52,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:15:52,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:15:52,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:15:52,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:15:52,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:15:52,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:15:52,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:15:52,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:15:52,838 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:15:52,848 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 07:15:52,848 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:15:52,853 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:15:52,854 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 07:15:52,855 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:15:52,855 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:15:52,896 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 07:15:53,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:15:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:15:53,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:15:53,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:15:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:15:53,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 07:15:53,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:15:53,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:15:53,318 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-20 07:15:53,320 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 451 states. Second operand 4 states. [2020-10-20 07:15:53,592 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 451 states.. Second operand 4 states. Result 1920 states and 3314 transitions. Complement of second has 7 states. [2020-10-20 07:15:53,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 07:15:53,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 07:15:53,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1856 transitions. [2020-10-20 07:15:53,610 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1856 transitions. Stem has 18 letters. Loop has 6 letters. [2020-10-20 07:15:53,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:15:53,612 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1856 transitions. Stem has 24 letters. Loop has 6 letters. [2020-10-20 07:15:53,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:15:53,613 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1856 transitions. Stem has 18 letters. Loop has 12 letters. [2020-10-20 07:15:53,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:15:53,614 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1920 states and 3314 transitions. [2020-10-20 07:15:53,642 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2020-10-20 07:15:53,665 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1920 states to 879 states and 1596 transitions. [2020-10-20 07:15:53,666 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 454 [2020-10-20 07:15:53,670 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 455 [2020-10-20 07:15:53,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 879 states and 1596 transitions. [2020-10-20 07:15:53,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:15:53,672 INFO L691 BuchiCegarLoop]: Abstraction has 879 states and 1596 transitions. [2020-10-20 07:15:53,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states and 1596 transitions. [2020-10-20 07:15:53,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 456. [2020-10-20 07:15:53,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2020-10-20 07:15:53,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 825 transitions. [2020-10-20 07:15:53,757 INFO L714 BuchiCegarLoop]: Abstraction has 456 states and 825 transitions. [2020-10-20 07:15:53,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:15:53,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 07:15:53,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 07:15:53,763 INFO L87 Difference]: Start difference. First operand 456 states and 825 transitions. Second operand 3 states. [2020-10-20 07:15:53,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:15:53,815 INFO L93 Difference]: Finished difference Result 892 states and 1615 transitions. [2020-10-20 07:15:53,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 07:15:53,817 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 892 states and 1615 transitions. [2020-10-20 07:15:53,824 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 424 [2020-10-20 07:15:53,832 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 892 states to 892 states and 1615 transitions. [2020-10-20 07:15:53,833 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 466 [2020-10-20 07:15:53,834 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 466 [2020-10-20 07:15:53,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 892 states and 1615 transitions. [2020-10-20 07:15:53,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:15:53,835 INFO L691 BuchiCegarLoop]: Abstraction has 892 states and 1615 transitions. [2020-10-20 07:15:53,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states and 1615 transitions. [2020-10-20 07:15:53,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 455. [2020-10-20 07:15:53,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2020-10-20 07:15:53,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 821 transitions. [2020-10-20 07:15:53,852 INFO L714 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2020-10-20 07:15:53,853 INFO L594 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2020-10-20 07:15:53,853 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 07:15:53,853 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 455 states and 821 transitions. [2020-10-20 07:15:53,856 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2020-10-20 07:15:53,856 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:15:53,856 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:15:53,858 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] [2020-10-20 07:15:53,858 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:15:53,859 INFO L794 eck$LassoCheckResult]: Stem: 4130#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~string10.base, #t~string10.offset := #Ultimate.allocOnStack(10);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(12);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(10);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(18);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(16);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(44);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(44);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(11);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(19);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string82.base, #t~string82.offset, 1);call write~init~int(100, #t~string82.base, 1 + #t~string82.offset, 1);call write~init~int(10, #t~string82.base, 2 + #t~string82.offset, 1);call write~init~int(0, #t~string82.base, 3 + #t~string82.offset, 1);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string85.base, #t~string85.offset, 1);call write~init~int(100, #t~string85.base, 1 + #t~string85.offset, 1);call write~init~int(10, #t~string85.base, 2 + #t~string85.offset, 1);call write~init~int(0, #t~string85.base, 3 + #t~string85.offset, 1);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(17);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(17);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(13);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(17);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(115, #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~string116.base, #t~string116.offset := #Ultimate.allocOnStack(10);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(16);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(20);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(21);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~bob~0 := 0;~rjh~0 := 0;~chuck~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;~in_encrypted~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 3818#L-1 havoc main_#res;havoc main_#t~ret77, main_~retValue_acc~24, main_~tmp~9;havoc main_~retValue_acc~24;havoc main_~tmp~9; 3819#L2600 havoc valid_product_#res;havoc valid_product_~retValue_acc~37;havoc valid_product_~retValue_acc~37;valid_product_~retValue_acc~37 := 1;valid_product_#res := valid_product_~retValue_acc~37; 3906#L2608 main_#t~ret77 := valid_product_#res;main_~tmp~9 := main_#t~ret77;havoc main_#t~ret77; 3907#L1772 assume 0 != main_~tmp~9;havoc setup_#t~nondet72, setup_#t~nondet74, setup_#t~nondet76, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.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; 4215#L1104 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3984#L1110-2 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; 3985#L669 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4039#L675-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string71.base, #t~string71.offset;havoc setup_#t~nondet72;~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; 4050#L1104-2 assume !(1 == setClientId_~handle); 4261#L1107-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4022#L1110-5 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; 4023#L669-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3992#L675-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string73.base, #t~string73.offset;havoc setup_#t~nondet74;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3993#L1104-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3914#L1110-8 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; 3915#L669-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4007#L675-8 setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string75.base, #t~string75.offset;havoc setup_#t~nondet76; 4024#L1759 havoc test_#t~nondet102, test_#t~nondet103, test_#t~nondet104, test_#t~nondet105, test_#t~nondet106, test_#t~nondet107, test_#t~nondet108, test_#t~nondet109, test_#t~nondet110, test_#t~nondet111, test_#t~nondet112, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~12, test_~tmp___0~4, test_~tmp___1~2, test_~tmp___2~1, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~12;havoc test_~tmp___0~4;havoc test_~tmp___1~2;havoc test_~tmp___2~1;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; 4270#L2547-1 assume !false; 4008#L2402 [2020-10-20 07:15:53,859 INFO L796 eck$LassoCheckResult]: Loop: 4008#L2402 assume test_~splverifierCounter~0 < 4; 4233#L2403 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4059#L2409 assume !(0 == test_~op1~0); 4061#L2422 assume !(0 == test_~op2~0); 4165#L2433 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet104;havoc test_#t~nondet104; 4174#L2438 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; 4223#L669-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3920#L675-11 test_~op3~0 := 1; 3874#L2547-1 assume !false; 4008#L2402 [2020-10-20 07:15:53,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:15:53,860 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2020-10-20 07:15:53,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:15:53,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312402624] [2020-10-20 07:15:53,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:15:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:15:53,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:15:53,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312402624] [2020-10-20 07:15:53,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:15:53,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 07:15:53,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439634532] [2020-10-20 07:15:53,961 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:15:53,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:15:53,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2020-10-20 07:15:53,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:15:53,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279805465] [2020-10-20 07:15:53,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:15:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:15:53,975 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:15:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:15:53,981 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:15:53,988 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:15:54,076 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:15:54,077 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:15:54,077 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:15:54,077 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:15:54,077 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 07:15:54,077 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:15:54,077 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:15:54,077 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:15:54,077 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product16.cil.c_Iteration2_Loop [2020-10-20 07:15:54,078 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:15:54,078 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:15:54,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:15:54,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:15:54,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:15:54,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:15:54,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:15:54,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:15:54,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:15:54,249 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:15:54,249 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:15:54,260 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:15:54,260 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:15:54,271 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:15:54,271 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet104=-1, ULTIMATE.start_test_~tmp___7~0=-1} Honda state: {ULTIMATE.start_test_#t~nondet104=-1, ULTIMATE.start_test_~tmp___7~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:15:54,310 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:15:54,310 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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:15:54,362 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:15:54,362 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:15:54,400 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 07:15:54,402 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:15:54,403 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:15:54,403 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:15:54,403 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:15:54,403 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:15:54,403 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:15:54,403 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:15:54,403 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:15:54,404 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product16.cil.c_Iteration2_Loop [2020-10-20 07:15:54,404 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:15:54,404 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:15:54,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:15:54,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:15:54,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:15:54,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:15:54,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:15:54,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:15:54,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:15:54,602 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:15:54,602 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) [2020-10-20 07:15:54,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:15:54,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:15:54,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:15:54,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:15:54,621 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 07:15:54,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:15:54,626 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 07:15:54,626 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 [2020-10-20 07:15:54,630 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:15:54,677 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:15:54,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:15:54,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:15:54,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:15:54,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:15:54,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:15:54,681 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:15:54,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:15:54,683 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:15:54,687 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 07:15:54,687 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:15:54,700 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:15:54,701 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 07:15:54,701 INFO L510 LassoAnalysis]: Proved termination. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:15:54,701 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2020-10-20 07:15:54,737 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 07:15:54,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:15:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:15:54,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:15:54,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:15:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:15:54,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 07:15:54,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:15:54,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:15:54,989 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-10-20 07:15:54,989 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368 Second operand 4 states. [2020-10-20 07:15:55,023 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368. Second operand 4 states. Result 883 states and 1601 transitions. Complement of second has 6 states. [2020-10-20 07:15:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 07:15:55,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 07:15:55,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2020-10-20 07:15:55,025 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 9 letters. [2020-10-20 07:15:55,025 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:15:55,025 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 29 letters. Loop has 9 letters. [2020-10-20 07:15:55,026 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:15:55,026 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 18 letters. [2020-10-20 07:15:55,026 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:15:55,027 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 883 states and 1601 transitions. [2020-10-20 07:15:55,035 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:15:55,035 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 883 states to 0 states and 0 transitions. [2020-10-20 07:15:55,035 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:15:55,035 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:15:55,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:15:55,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:15:55,036 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:15:55,036 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:15:55,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:15:55,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 07:15:55,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 07:15:55,036 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2020-10-20 07:15:55,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:15:55,037 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-20 07:15:55,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 07:15:55,037 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-20 07:15:55,037 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:15:55,037 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 07:15:55,037 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:15:55,038 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:15:55,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:15:55,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:15:55,038 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:15:55,038 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:15:55,038 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:15:55,038 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 07:15:55,038 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 07:15:55,038 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:15:55,039 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 07:15:55,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 07:15:55 BoogieIcfgContainer [2020-10-20 07:15:55,045 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 07:15:55,046 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 07:15:55,046 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 07:15:55,046 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 07:15:55,047 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:15:51" (3/4) ... [2020-10-20 07:15:55,050 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 07:15:55,050 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 07:15:55,053 INFO L168 Benchmark]: Toolchain (without parser) took 6957.88 ms. Allocated memory was 37.2 MB in the beginning and 103.8 MB in the end (delta: 66.6 MB). Free memory was 16.4 MB in the beginning and 35.9 MB in the end (delta: -19.5 MB). Peak memory consumption was 47.1 MB. Max. memory is 14.3 GB. [2020-10-20 07:15:55,054 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 34.1 MB. Free memory was 10.8 MB in the beginning and 10.7 MB in the end (delta: 68.4 kB). Peak memory consumption was 68.4 kB. Max. memory is 14.3 GB. [2020-10-20 07:15:55,055 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1132.84 ms. Allocated memory was 37.2 MB in the beginning and 47.2 MB in the end (delta: 10.0 MB). Free memory was 15.6 MB in the beginning and 12.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 14.3 GB. [2020-10-20 07:15:55,056 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.48 ms. Allocated memory was 47.2 MB in the beginning and 50.3 MB in the end (delta: 3.1 MB). Free memory was 12.2 MB in the beginning and 24.7 MB in the end (delta: -12.4 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.3 GB. [2020-10-20 07:15:55,057 INFO L168 Benchmark]: Boogie Preprocessor took 149.54 ms. Allocated memory is still 50.3 MB. Free memory was 24.7 MB in the beginning and 17.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 14.3 GB. [2020-10-20 07:15:55,058 INFO L168 Benchmark]: RCFGBuilder took 2102.80 ms. Allocated memory was 50.3 MB in the beginning and 81.8 MB in the end (delta: 31.5 MB). Free memory was 17.4 MB in the beginning and 27.6 MB in the end (delta: -10.2 MB). Peak memory consumption was 32.7 MB. Max. memory is 14.3 GB. [2020-10-20 07:15:55,059 INFO L168 Benchmark]: BuchiAutomizer took 3419.30 ms. Allocated memory was 81.8 MB in the beginning and 103.8 MB in the end (delta: 22.0 MB). Free memory was 27.6 MB in the beginning and 35.9 MB in the end (delta: -8.3 MB). Peak memory consumption was 13.7 MB. Max. memory is 14.3 GB. [2020-10-20 07:15:55,060 INFO L168 Benchmark]: Witness Printer took 4.77 ms. Allocated memory is still 103.8 MB. Free memory is still 35.9 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 07:15:55,065 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 34.1 MB. Free memory was 10.8 MB in the beginning and 10.7 MB in the end (delta: 68.4 kB). Peak memory consumption was 68.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1132.84 ms. Allocated memory was 37.2 MB in the beginning and 47.2 MB in the end (delta: 10.0 MB). Free memory was 15.6 MB in the beginning and 12.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 137.48 ms. Allocated memory was 47.2 MB in the beginning and 50.3 MB in the end (delta: 3.1 MB). Free memory was 12.2 MB in the beginning and 24.7 MB in the end (delta: -12.4 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 149.54 ms. Allocated memory is still 50.3 MB. Free memory was 24.7 MB in the beginning and 17.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 14.3 GB. * RCFGBuilder took 2102.80 ms. Allocated memory was 50.3 MB in the beginning and 81.8 MB in the end (delta: 31.5 MB). Free memory was 17.4 MB in the beginning and 27.6 MB in the end (delta: -10.2 MB). Peak memory consumption was 32.7 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 3419.30 ms. Allocated memory was 81.8 MB in the beginning and 103.8 MB in the end (delta: 22.0 MB). Free memory was 27.6 MB in the beginning and 35.9 MB in the end (delta: -8.3 MB). Peak memory consumption was 13.7 MB. Max. memory is 14.3 GB. * Witness Printer took 4.77 ms. Allocated memory is still 103.8 MB. Free memory is still 35.9 MB. There was no memory consumed. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * 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 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 860 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 455 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2763 SDtfs, 2344 SDslu, 3347 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...