./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec0_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f6fb2bb1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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_spec0_product36.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 ae3b367cf5d6182b9fc2a52b7b845972627c8a86 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-f6fb2bb [2019-11-19 20:01:31,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 20:01:31,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 20:01:31,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 20:01:31,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 20:01:31,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 20:01:31,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 20:01:31,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 20:01:31,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 20:01:31,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 20:01:31,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 20:01:31,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 20:01:31,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 20:01:31,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 20:01:31,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 20:01:31,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 20:01:31,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 20:01:31,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 20:01:31,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 20:01:31,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 20:01:31,704 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 20:01:31,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 20:01:31,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 20:01:31,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 20:01:31,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 20:01:31,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 20:01:31,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 20:01:31,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 20:01:31,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 20:01:31,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 20:01:31,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 20:01:31,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 20:01:31,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 20:01:31,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 20:01:31,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 20:01:31,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 20:01:31,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 20:01:31,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 20:01:31,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 20:01:31,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 20:01:31,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 20:01:31,739 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 20:01:31,764 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 20:01:31,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 20:01:31,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 20:01:31,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 20:01:31,768 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 20:01:31,768 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 20:01:31,768 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 20:01:31,769 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 20:01:31,769 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 20:01:31,769 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 20:01:31,770 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 20:01:31,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 20:01:31,771 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 20:01:31,772 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 20:01:31,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 20:01:31,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 20:01:31,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 20:01:31,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 20:01:31,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 20:01:31,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 20:01:31,774 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 20:01:31,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 20:01:31,774 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 20:01:31,775 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 20:01:31,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 20:01:31,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 20:01:31,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 20:01:31,776 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 20:01:31,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 20:01:31,776 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 20:01:31,777 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 20:01:31,779 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 20:01:31,779 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 -> ae3b367cf5d6182b9fc2a52b7b845972627c8a86 [2019-11-19 20:01:32,091 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 20:01:32,104 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 20:01:32,108 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 20:01:32,109 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 20:01:32,110 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 20:01:32,111 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product36.cil.c [2019-11-19 20:01:32,182 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ab3cf2fd/048a417efefc44afbc58d9fb8c3f775f/FLAG2b81990e4 [2019-11-19 20:01:32,853 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 20:01:32,853 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product36.cil.c [2019-11-19 20:01:32,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ab3cf2fd/048a417efefc44afbc58d9fb8c3f775f/FLAG2b81990e4 [2019-11-19 20:01:33,041 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ab3cf2fd/048a417efefc44afbc58d9fb8c3f775f [2019-11-19 20:01:33,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 20:01:33,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 20:01:33,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 20:01:33,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 20:01:33,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 20:01:33,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:33" (1/1) ... [2019-11-19 20:01:33,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79ae46d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:33, skipping insertion in model container [2019-11-19 20:01:33,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:33" (1/1) ... [2019-11-19 20:01:33,062 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 20:01:33,145 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 20:01:33,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 20:01:33,811 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 20:01:33,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 20:01:34,009 INFO L192 MainTranslator]: Completed translation [2019-11-19 20:01:34,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:34 WrapperNode [2019-11-19 20:01:34,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 20:01:34,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 20:01:34,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 20:01:34,014 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 20:01:34,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:34" (1/1) ... [2019-11-19 20:01:34,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:34" (1/1) ... [2019-11-19 20:01:34,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 20:01:34,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 20:01:34,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 20:01:34,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 20:01:34,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:34" (1/1) ... [2019-11-19 20:01:34,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:34" (1/1) ... [2019-11-19 20:01:34,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:34" (1/1) ... [2019-11-19 20:01:34,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:34" (1/1) ... [2019-11-19 20:01:34,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:34" (1/1) ... [2019-11-19 20:01:34,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:34" (1/1) ... [2019-11-19 20:01:34,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:34" (1/1) ... [2019-11-19 20:01:34,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 20:01:34,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 20:01:34,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 20:01:34,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 20:01:34,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:34" (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 [2019-11-19 20:01:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-19 20:01:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 20:01:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 20:01:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 20:01:34,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 20:01:36,210 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 20:01:36,210 INFO L285 CfgBuilder]: Removed 405 assume(true) statements. [2019-11-19 20:01:36,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:36 BoogieIcfgContainer [2019-11-19 20:01:36,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 20:01:36,213 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 20:01:36,213 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 20:01:36,217 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 20:01:36,218 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 20:01:36,218 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 08:01:33" (1/3) ... [2019-11-19 20:01:36,220 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29e7e874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:01:36, skipping insertion in model container [2019-11-19 20:01:36,220 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 20:01:36,221 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:34" (2/3) ... [2019-11-19 20:01:36,222 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29e7e874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:01:36, skipping insertion in model container [2019-11-19 20:01:36,222 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 20:01:36,222 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:36" (3/3) ... [2019-11-19 20:01:36,224 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec0_product36.cil.c [2019-11-19 20:01:36,274 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 20:01:36,274 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 20:01:36,274 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 20:01:36,274 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 20:01:36,274 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 20:01:36,275 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 20:01:36,275 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 20:01:36,275 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 20:01:36,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 471 states. [2019-11-19 20:01:36,364 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2019-11-19 20:01:36,364 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:01:36,364 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:01:36,374 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:01:36,374 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-19 20:01:36,374 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 20:01:36,375 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 471 states. [2019-11-19 20:01:36,405 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2019-11-19 20:01:36,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:01:36,407 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:01:36,408 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:01:36,408 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-19 20:01:36,415 INFO L794 eck$LassoCheckResult]: Stem: 317#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string36.base, #t~string36.offset, 1);call write~init~int(115, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(10, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 3 + #t~string36.offset, 1);~__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;call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(10);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(12);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(10);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(18);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(10);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(34);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(16);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(22);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(21);~__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;call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(16);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(44);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(44);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(9);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(9);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(11); 217#L-1true havoc main_#res;havoc main_#t~nondet102, main_#t~ret103, main_~retValue_acc~41, main_~tmp~17;main_~retValue_acc~41 := main_#t~nondet102;havoc main_#t~nondet102;havoc main_~tmp~17; 283#L75true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 420#L83true main_#t~ret103 := valid_product_#res;main_~tmp~17 := main_#t~ret103;havoc main_#t~ret103; 458#L2606true assume 0 != main_~tmp~17;havoc setup_#t~nondet97, setup_#t~nondet99, setup_#t~nondet101, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 160#L1544true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 429#L1550-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string96.base, #t~string96.offset;havoc setup_#t~nondet97;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 168#L1544-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 278#L1550-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string98.base, #t~string98.offset;havoc setup_#t~nondet99;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 144#L1544-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 288#L1550-8true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string100.base, #t~string100.offset;havoc setup_#t~nondet101; 61#L2593true havoc test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, test_#t~nondet84, test_#t~nondet85, test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~15, test_~tmp___0~2, test_~tmp___1~2, test_~tmp___2~2, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~15;havoc test_~tmp___0~2;havoc test_~tmp___1~2;havoc test_~tmp___2~2;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 44#L2472-1true [2019-11-19 20:01:36,415 INFO L796 eck$LassoCheckResult]: Loop: 44#L2472-1true assume !false; 454#L2342true assume test_~splverifierCounter~0 < 4; 286#L2343true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 15#L2349true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet78;havoc test_#t~nondet78; 456#L2353true assume 0 != test_~tmp___9~0;test_~op1~0 := 1; 44#L2472-1true [2019-11-19 20:01:36,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:01:36,421 INFO L82 PathProgramCache]: Analyzing trace with hash -580026000, now seen corresponding path program 1 times [2019-11-19 20:01:36,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:01:36,429 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078824081] [2019-11-19 20:01:36,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:01:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:01:36,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:01:36,797 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078824081] [2019-11-19 20:01:36,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:01:36,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 20:01:36,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164235967] [2019-11-19 20:01:36,804 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 20:01:36,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:01:36,804 INFO L82 PathProgramCache]: Analyzing trace with hash 103192148, now seen corresponding path program 1 times [2019-11-19 20:01:36,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:01:36,805 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256511205] [2019-11-19 20:01:36,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:01:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:01:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:01:36,866 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:01:36,919 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 20:01:36,920 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 20:01:36,921 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 20:01:36,921 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 20:01:36,921 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 20:01:36,921 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:36,922 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 20:01:36,922 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 20:01:36,922 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product36.cil.c_Iteration1_Loop [2019-11-19 20:01:36,923 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 20:01:36,923 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 20:01:36,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:36,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:36,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:37,062 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 20:01:37,063 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) [2019-11-19 20:01:37,072 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 20:01:37,072 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:37,164 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 20:01:37,164 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 20:01:37,173 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 20:01:37,178 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 20:01:37,178 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 20:01:37,178 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 20:01:37,178 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 20:01:37,178 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 20:01:37,178 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:37,179 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 20:01:37,179 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 20:01:37,179 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product36.cil.c_Iteration1_Loop [2019-11-19 20:01:37,179 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 20:01:37,180 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 20:01:37,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:37,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:37,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:37,273 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 20:01:37,279 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) [2019-11-19 20:01:37,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 20:01:37,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 20:01:37,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 20:01:37,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 20:01:37,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 20:01:37,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 20:01:37,301 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 20:01:37,301 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 [2019-11-19 20:01:37,304 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 20:01:37,311 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-19 20:01:37,311 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) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:37,323 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 20:01:37,323 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 20:01:37,324 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 20:01:37,325 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] [2019-11-19 20:01:37,340 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-19 20:01:37,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:01:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:01:37,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 20:01:37,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 20:01:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:01:37,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 20:01:37,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 20:01:37,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:01:37,627 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-19 20:01:37,629 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 471 states. Second operand 4 states. [2019-11-19 20:01:37,950 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 471 states.. Second operand 4 states. Result 2212 states and 3689 transitions. Complement of second has 7 states. [2019-11-19 20:01:37,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 20:01:37,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-19 20:01:37,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2175 transitions. [2019-11-19 20:01:37,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2175 transitions. Stem has 12 letters. Loop has 5 letters. [2019-11-19 20:01:37,961 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 20:01:37,961 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2175 transitions. Stem has 17 letters. Loop has 5 letters. [2019-11-19 20:01:37,970 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 20:01:37,970 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2175 transitions. Stem has 12 letters. Loop has 10 letters. [2019-11-19 20:01:37,971 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 20:01:37,973 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2212 states and 3689 transitions. [2019-11-19 20:01:38,004 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 151 [2019-11-19 20:01:38,020 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2212 states to 323 states and 591 transitions. [2019-11-19 20:01:38,021 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 170 [2019-11-19 20:01:38,023 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 171 [2019-11-19 20:01:38,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 323 states and 591 transitions. [2019-11-19 20:01:38,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 20:01:38,025 INFO L688 BuchiCegarLoop]: Abstraction has 323 states and 591 transitions. [2019-11-19 20:01:38,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states and 591 transitions. [2019-11-19 20:01:38,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 172. [2019-11-19 20:01:38,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-11-19 20:01:38,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 312 transitions. [2019-11-19 20:01:38,094 INFO L711 BuchiCegarLoop]: Abstraction has 172 states and 312 transitions. [2019-11-19 20:01:38,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:01:38,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 20:01:38,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 20:01:38,100 INFO L87 Difference]: Start difference. First operand 172 states and 312 transitions. Second operand 3 states. [2019-11-19 20:01:38,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:01:38,149 INFO L93 Difference]: Finished difference Result 328 states and 596 transitions. [2019-11-19 20:01:38,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 20:01:38,150 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 328 states and 596 transitions. [2019-11-19 20:01:38,154 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 152 [2019-11-19 20:01:38,158 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 328 states to 328 states and 596 transitions. [2019-11-19 20:01:38,158 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 174 [2019-11-19 20:01:38,160 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 174 [2019-11-19 20:01:38,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 328 states and 596 transitions. [2019-11-19 20:01:38,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 20:01:38,163 INFO L688 BuchiCegarLoop]: Abstraction has 328 states and 596 transitions. [2019-11-19 20:01:38,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states and 596 transitions. [2019-11-19 20:01:38,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 171. [2019-11-19 20:01:38,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-11-19 20:01:38,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 308 transitions. [2019-11-19 20:01:38,185 INFO L711 BuchiCegarLoop]: Abstraction has 171 states and 308 transitions. [2019-11-19 20:01:38,185 INFO L591 BuchiCegarLoop]: Abstraction has 171 states and 308 transitions. [2019-11-19 20:01:38,185 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 20:01:38,186 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 171 states and 308 transitions. [2019-11-19 20:01:38,187 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2019-11-19 20:01:38,187 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:01:38,188 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:01:38,190 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:01:38,190 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:01:38,191 INFO L794 eck$LassoCheckResult]: Stem: 3397#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string36.base, #t~string36.offset, 1);call write~init~int(115, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(10, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 3 + #t~string36.offset, 1);~__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;call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(10);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(12);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(10);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(18);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(10);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(34);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(16);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(22);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(21);~__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;call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(16);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(44);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(44);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(9);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(9);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(11); 3310#L-1 havoc main_#res;havoc main_#t~nondet102, main_#t~ret103, main_~retValue_acc~41, main_~tmp~17;main_~retValue_acc~41 := main_#t~nondet102;havoc main_#t~nondet102;havoc main_~tmp~17; 3311#L75 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 3431#L83 main_#t~ret103 := valid_product_#res;main_~tmp~17 := main_#t~ret103;havoc main_#t~ret103; 3430#L2606 assume 0 != main_~tmp~17;havoc setup_#t~nondet97, setup_#t~nondet99, setup_#t~nondet101, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3398#L1544 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3270#L1550-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string96.base, #t~string96.offset;havoc setup_#t~nondet97;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3291#L1544-2 assume !(1 == setClientId_~handle); 3312#L1547-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 3313#L1550-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string98.base, #t~string98.offset;havoc setup_#t~nondet99;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3363#L1544-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3331#L1550-8 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string100.base, #t~string100.offset;havoc setup_#t~nondet101; 3385#L2593 havoc test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, test_#t~nondet84, test_#t~nondet85, test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~15, test_~tmp___0~2, test_~tmp___1~2, test_~tmp___2~2, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~15;havoc test_~tmp___0~2;havoc test_~tmp___1~2;havoc test_~tmp___2~2;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 3386#L2472-1 assume !false; 3318#L2342 [2019-11-19 20:01:38,197 INFO L796 eck$LassoCheckResult]: Loop: 3318#L2342 assume test_~splverifierCounter~0 < 4; 3421#L2343 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 3411#L2349 assume !(0 == test_~op1~0); 3376#L2359 assume !(0 == test_~op2~0); 3359#L2373 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet80;havoc test_#t~nondet80; 3360#L2378 assume 0 != test_~tmp___7~0;test_~op3~0 := 1; 3267#L2472-1 assume !false; 3318#L2342 [2019-11-19 20:01:38,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:01:38,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1897365039, now seen corresponding path program 1 times [2019-11-19 20:01:38,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:01:38,199 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626260682] [2019-11-19 20:01:38,199 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:01:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:01:38,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:01:38,313 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626260682] [2019-11-19 20:01:38,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:01:38,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 20:01:38,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528236169] [2019-11-19 20:01:38,315 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 20:01:38,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:01:38,315 INFO L82 PathProgramCache]: Analyzing trace with hash -235666265, now seen corresponding path program 1 times [2019-11-19 20:01:38,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:01:38,315 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839298582] [2019-11-19 20:01:38,316 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:01:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:01:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:01:38,336 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:01:38,371 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 20:01:38,371 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 20:01:38,371 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 20:01:38,371 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 20:01:38,371 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 20:01:38,372 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:38,372 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 20:01:38,372 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 20:01:38,372 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product36.cil.c_Iteration2_Loop [2019-11-19 20:01:38,372 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 20:01:38,372 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 20:01:38,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:38,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:38,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:38,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:38,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:38,475 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 20:01:38,475 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) [2019-11-19 20:01:38,495 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 20:01:38,495 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:38,501 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 20:01:38,501 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=7} Honda state: {ULTIMATE.start_test_~op1~0=7} 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) [2019-11-19 20:01:38,519 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 20:01:38,519 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 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 [2019-11-19 20:01:38,540 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 20:01:38,540 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 20:01:38,554 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 20:01:38,557 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 20:01:38,557 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 20:01:38,557 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 20:01:38,557 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 20:01:38,557 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 20:01:38,557 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:38,557 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 20:01:38,558 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 20:01:38,558 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product36.cil.c_Iteration2_Loop [2019-11-19 20:01:38,558 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 20:01:38,558 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 20:01:38,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:38,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:38,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:38,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:38,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:38,690 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 20:01:38,690 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) [2019-11-19 20:01:38,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 20:01:38,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 20:01:38,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 20:01:38,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 20:01:38,714 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-19 20:01:38,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 20:01:38,719 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 20:01:38,719 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 [2019-11-19 20:01:38,726 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) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:38,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 20:01:38,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 20:01:38,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 20:01:38,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 20:01:38,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 20:01:38,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 20:01:38,744 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 20:01:38,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 20:01:38,753 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 20:01:38,758 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-19 20:01:38,759 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) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:38,771 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 20:01:38,772 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 20:01:38,772 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 20:01:38,772 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-11-19 20:01:38,774 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-19 20:01:38,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:01:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:01:38,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 20:01:38,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 20:01:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:01:38,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 20:01:38,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 20:01:39,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:01:39,011 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-19 20:01:39,011 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 171 states and 308 transitions. cyclomatic complexity: 139 Second operand 4 states. [2019-11-19 20:01:39,028 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 171 states and 308 transitions. cyclomatic complexity: 139. Second operand 4 states. Result 327 states and 596 transitions. Complement of second has 6 states. [2019-11-19 20:01:39,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 20:01:39,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-19 20:01:39,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 166 transitions. [2019-11-19 20:01:39,030 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 166 transitions. Stem has 14 letters. Loop has 7 letters. [2019-11-19 20:01:39,031 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 20:01:39,031 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 166 transitions. Stem has 21 letters. Loop has 7 letters. [2019-11-19 20:01:39,031 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 20:01:39,032 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 166 transitions. Stem has 14 letters. Loop has 14 letters. [2019-11-19 20:01:39,032 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 20:01:39,032 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 327 states and 596 transitions. [2019-11-19 20:01:39,036 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 20:01:39,037 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 327 states to 0 states and 0 transitions. [2019-11-19 20:01:39,037 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 20:01:39,037 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 20:01:39,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 20:01:39,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 20:01:39,038 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 20:01:39,038 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 20:01:39,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:01:39,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 20:01:39,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 20:01:39,039 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-11-19 20:01:39,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:01:39,039 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-19 20:01:39,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 20:01:39,040 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-19 20:01:39,040 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 20:01:39,040 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 20:01:39,040 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 20:01:39,041 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 20:01:39,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 20:01:39,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 20:01:39,041 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 20:01:39,041 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 20:01:39,041 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 20:01:39,042 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 20:01:39,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 20:01:39,042 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 20:01:39,042 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 20:01:39,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 08:01:39 BoogieIcfgContainer [2019-11-19 20:01:39,051 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 20:01:39,052 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 20:01:39,052 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 20:01:39,052 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 20:01:39,053 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:36" (3/4) ... [2019-11-19 20:01:39,058 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 20:01:39,058 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 20:01:39,062 INFO L168 Benchmark]: Toolchain (without parser) took 6013.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 213.9 MB). Free memory was 946.9 MB in the beginning and 931.6 MB in the end (delta: 15.4 MB). Peak memory consumption was 229.3 MB. Max. memory is 11.5 GB. [2019-11-19 20:01:39,064 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 20:01:39,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 964.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 946.9 MB in the beginning and 1.0 GB in the end (delta: -92.7 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-11-19 20:01:39,067 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-19 20:01:39,074 INFO L168 Benchmark]: Boogie Preprocessor took 128.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-19 20:01:39,075 INFO L168 Benchmark]: RCFGBuilder took 1935.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 812.0 MB in the end (delta: 213.8 MB). Peak memory consumption was 213.8 MB. Max. memory is 11.5 GB. [2019-11-19 20:01:39,076 INFO L168 Benchmark]: BuchiAutomizer took 2838.25 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 812.0 MB in the beginning and 931.6 MB in the end (delta: -119.6 MB). Peak memory consumption was 1.5 MB. Max. memory is 11.5 GB. [2019-11-19 20:01:39,077 INFO L168 Benchmark]: Witness Printer took 6.28 ms. Allocated memory is still 1.2 GB. Free memory is still 931.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 20:01:39,092 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 964.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 946.9 MB in the beginning and 1.0 GB in the end (delta: -92.7 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 133.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 128.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1935.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 812.0 MB in the end (delta: 213.8 MB). Peak memory consumption was 213.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2838.25 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 812.0 MB in the beginning and 931.6 MB in the end (delta: -119.6 MB). Peak memory consumption was 1.5 MB. Max. memory is 11.5 GB. * Witness Printer took 6.28 ms. Allocated memory is still 1.2 GB. Free memory is still 931.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op1 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 308 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 171 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2004 SDtfs, 1844 SDslu, 2679 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax100 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 35ms VariablesStem: 0 VariablesLoop: 1 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...