./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/email_spec11_product03.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 13ebf7a23e8d3aae9476b8149d5c7997a6623274 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 07:13:36,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 07:13:36,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 07:13:37,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 07:13:37,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 07:13:37,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 07:13:37,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 07:13:37,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 07:13:37,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 07:13:37,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 07:13:37,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 07:13:37,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 07:13:37,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 07:13:37,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 07:13:37,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 07:13:37,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 07:13:37,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 07:13:37,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 07:13:37,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 07:13:37,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 07:13:37,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 07:13:37,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 07:13:37,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 07:13:37,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 07:13:37,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 07:13:37,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 07:13:37,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 07:13:37,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 07:13:37,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 07:13:37,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 07:13:37,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 07:13:37,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 07:13:37,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 07:13:37,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 07:13:37,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 07:13:37,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 07:13:37,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 07:13:37,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 07:13:37,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 07:13:37,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 07:13:37,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 07:13:37,068 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 07:13:37,099 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 07:13:37,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 07:13:37,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 07:13:37,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 07:13:37,101 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 07:13:37,101 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 07:13:37,102 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 07:13:37,102 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 07:13:37,102 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 07:13:37,102 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 07:13:37,103 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 07:13:37,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 07:13:37,103 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 07:13:37,103 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 07:13:37,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 07:13:37,104 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 07:13:37,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 07:13:37,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 07:13:37,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 07:13:37,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 07:13:37,105 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 07:13:37,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 07:13:37,105 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 07:13:37,106 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 07:13:37,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 07:13:37,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 07:13:37,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 07:13:37,107 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 07:13:37,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 07:13:37,107 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 07:13:37,108 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 07:13:37,108 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 07:13:37,109 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 07:13:37,109 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 -> 13ebf7a23e8d3aae9476b8149d5c7997a6623274 [2020-10-20 07:13:37,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 07:13:37,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 07:13:37,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 07:13:37,336 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 07:13:37,336 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 07:13:37,337 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product03.cil.c [2020-10-20 07:13:37,410 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/462a5a956/2d45107292704360b5bd9b963b112e2f/FLAG1fd55776b [2020-10-20 07:13:38,129 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 07:13:38,132 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product03.cil.c [2020-10-20 07:13:38,153 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/462a5a956/2d45107292704360b5bd9b963b112e2f/FLAG1fd55776b [2020-10-20 07:13:38,238 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/462a5a956/2d45107292704360b5bd9b963b112e2f [2020-10-20 07:13:38,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 07:13:38,250 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 07:13:38,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 07:13:38,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 07:13:38,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 07:13:38,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:13:38" (1/1) ... [2020-10-20 07:13:38,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@673bc426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:13:38, skipping insertion in model container [2020-10-20 07:13:38,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:13:38" (1/1) ... [2020-10-20 07:13:38,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 07:13:38,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 07:13:38,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:13:39,005 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 07:13:39,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:13:39,204 INFO L208 MainTranslator]: Completed translation [2020-10-20 07:13:39,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:13:39 WrapperNode [2020-10-20 07:13:39,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 07:13:39,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 07:13:39,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 07:13:39,207 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 07:13:39,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:13:39" (1/1) ... [2020-10-20 07:13:39,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:13:39" (1/1) ... [2020-10-20 07:13:39,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 07:13:39,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 07:13:39,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 07:13:39,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 07:13:39,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:13:39" (1/1) ... [2020-10-20 07:13:39,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:13:39" (1/1) ... [2020-10-20 07:13:39,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:13:39" (1/1) ... [2020-10-20 07:13:39,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:13:39" (1/1) ... [2020-10-20 07:13:39,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:13:39" (1/1) ... [2020-10-20 07:13:39,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:13:39" (1/1) ... [2020-10-20 07:13:39,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:13:39" (1/1) ... [2020-10-20 07:13:39,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 07:13:39,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 07:13:39,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 07:13:39,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 07:13:39,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:13:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-20 07:13:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 07:13:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 07:13:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 07:13:39,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 07:13:40,658 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 07:13:40,658 INFO L298 CfgBuilder]: Removed 115 assume(true) statements. [2020-10-20 07:13:40,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:13:40 BoogieIcfgContainer [2020-10-20 07:13:40,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 07:13:40,661 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 07:13:40,661 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 07:13:40,665 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 07:13:40,666 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:13:40,667 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 07:13:38" (1/3) ... [2020-10-20 07:13:40,668 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e54196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:13:40, skipping insertion in model container [2020-10-20 07:13:40,668 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:13:40,668 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:13:39" (2/3) ... [2020-10-20 07:13:40,669 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e54196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:13:40, skipping insertion in model container [2020-10-20 07:13:40,669 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:13:40,669 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:13:40" (3/3) ... [2020-10-20 07:13:40,671 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec11_product03.cil.c [2020-10-20 07:13:40,745 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 07:13:40,745 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 07:13:40,745 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 07:13:40,745 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 07:13:40,745 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 07:13:40,745 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 07:13:40,746 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 07:13:40,746 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 07:13:40,766 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states. [2020-10-20 07:13:40,798 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2020-10-20 07:13:40,799 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:13:40,799 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:13:40,809 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:13:40,809 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-20 07:13:40,809 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 07:13:40,809 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states. [2020-10-20 07:13:40,817 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2020-10-20 07:13:40,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:13:40,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:13:40,818 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:13:40,818 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-20 07:13:40,825 INFO L794 eck$LassoCheckResult]: Stem: 96#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(29);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(44);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(44);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(9);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(9);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(11);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(10);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(16);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(22);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(20);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string49.base, #t~string49.offset, 1);call write~init~int(115, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(10, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 3 + #t~string49.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(21);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(21);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(30);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(9);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(25);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(30);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(9);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(25);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(10);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(12);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(10);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(18);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0; 14#L-1true havoc main_#res;havoc main_#t~nondet20, main_#t~ret21, main_~retValue_acc~0, main_~tmp~1;main_~retValue_acc~0 := main_#t~nondet20;havoc main_#t~nondet20;havoc main_~tmp~1; 3#L409true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 28#L417true main_#t~ret21 := valid_product_#res;main_~tmp~1 := main_#t~ret21;havoc main_#t~ret21; 109#L173true assume 0 != main_~tmp~1;havoc setup_#t~nondet15, setup_#t~nondet17, setup_#t~nondet19, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.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_tmp3~0.base, setup_~__cil_tmp3~0.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; 71#L2467true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 36#L2473-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string14.base, #t~string14.offset;havoc setup_#t~nondet15;~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; 75#L2467-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 25#L2473-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string16.base, #t~string16.offset;havoc setup_#t~nondet17;~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; 76#L2467-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 29#L2473-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string18.base, #t~string18.offset;havoc setup_#t~nondet19; 86#L160true havoc test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, 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~2, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 44#L359-1true [2020-10-20 07:13:40,826 INFO L796 eck$LassoCheckResult]: Loop: 44#L359-1true assume !false; 59#L235true assume test_~splverifierCounter~0 < 4; 120#L236true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 94#L242true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet22;havoc test_#t~nondet22; 61#L246true assume 0 != test_~tmp___9~0;test_~op1~0 := 1; 44#L359-1true [2020-10-20 07:13:40,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:13:40,833 INFO L82 PathProgramCache]: Analyzing trace with hash -580026000, now seen corresponding path program 1 times [2020-10-20 07:13:40,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:13:40,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244364228] [2020-10-20 07:13:40,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:13:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:13:41,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:13:41,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244364228] [2020-10-20 07:13:41,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:13:41,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 07:13:41,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864062497] [2020-10-20 07:13:41,214 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:13:41,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:13:41,215 INFO L82 PathProgramCache]: Analyzing trace with hash 103192148, now seen corresponding path program 1 times [2020-10-20 07:13:41,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:13:41,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819869252] [2020-10-20 07:13:41,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:13:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:13:41,226 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:13:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:13:41,232 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:13:41,262 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:13:41,348 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:13:41,349 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:13:41,349 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:13:41,349 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:13:41,349 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 07:13:41,349 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:41,350 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:13:41,350 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:13:41,350 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product03.cil.c_Iteration1_Loop [2020-10-20 07:13:41,350 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:13:41,350 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:13:41,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:41,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:41,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:41,472 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:13:41,473 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:41,479 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:13:41,480 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:41,522 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:13:41,522 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:13:41,532 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 07:13:41,555 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:13:41,555 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:13:41,555 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:13:41,555 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:13:41,556 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:13:41,556 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:41,556 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:13:41,556 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:13:41,556 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product03.cil.c_Iteration1_Loop [2020-10-20 07:13:41,556 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:13:41,556 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:13:41,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:41,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:41,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:41,690 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:13:41,696 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:41,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:13:41,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:41,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:41,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:41,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:41,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:41,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:41,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:13:41,727 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:13:41,735 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 07:13:41,735 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:41,741 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:13:41,742 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 07:13:41,743 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:13:41,743 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:41,788 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 07:13:41,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:13:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:13:41,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:13:42,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:13:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:13:42,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 07:13:42,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:13:42,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:13:42,141 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-20 07:13:42,143 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 118 states. Second operand 4 states. [2020-10-20 07:13:42,371 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 118 states.. Second operand 4 states. Result 486 states and 783 transitions. Complement of second has 7 states. [2020-10-20 07:13:42,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 07:13:42,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 07:13:42,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 463 transitions. [2020-10-20 07:13:42,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 463 transitions. Stem has 12 letters. Loop has 5 letters. [2020-10-20 07:13:42,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:13:42,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 463 transitions. Stem has 17 letters. Loop has 5 letters. [2020-10-20 07:13:42,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:13:42,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 463 transitions. Stem has 12 letters. Loop has 10 letters. [2020-10-20 07:13:42,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:13:42,386 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 486 states and 783 transitions. [2020-10-20 07:13:42,404 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2020-10-20 07:13:42,412 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 486 states to 135 states and 235 transitions. [2020-10-20 07:13:42,413 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 76 [2020-10-20 07:13:42,416 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 77 [2020-10-20 07:13:42,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 135 states and 235 transitions. [2020-10-20 07:13:42,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:13:42,420 INFO L691 BuchiCegarLoop]: Abstraction has 135 states and 235 transitions. [2020-10-20 07:13:42,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states and 235 transitions. [2020-10-20 07:13:42,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 78. [2020-10-20 07:13:42,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-20 07:13:42,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 134 transitions. [2020-10-20 07:13:42,467 INFO L714 BuchiCegarLoop]: Abstraction has 78 states and 134 transitions. [2020-10-20 07:13:42,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:13:42,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 07:13:42,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 07:13:42,472 INFO L87 Difference]: Start difference. First operand 78 states and 134 transitions. Second operand 3 states. [2020-10-20 07:13:42,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:13:42,510 INFO L93 Difference]: Finished difference Result 140 states and 240 transitions. [2020-10-20 07:13:42,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 07:13:42,511 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 140 states and 240 transitions. [2020-10-20 07:13:42,513 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2020-10-20 07:13:42,517 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 140 states to 140 states and 240 transitions. [2020-10-20 07:13:42,517 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 80 [2020-10-20 07:13:42,518 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 80 [2020-10-20 07:13:42,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 140 states and 240 transitions. [2020-10-20 07:13:42,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:13:42,518 INFO L691 BuchiCegarLoop]: Abstraction has 140 states and 240 transitions. [2020-10-20 07:13:42,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states and 240 transitions. [2020-10-20 07:13:42,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 77. [2020-10-20 07:13:42,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-20 07:13:42,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 130 transitions. [2020-10-20 07:13:42,529 INFO L714 BuchiCegarLoop]: Abstraction has 77 states and 130 transitions. [2020-10-20 07:13:42,530 INFO L594 BuchiCegarLoop]: Abstraction has 77 states and 130 transitions. [2020-10-20 07:13:42,530 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 07:13:42,530 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states and 130 transitions. [2020-10-20 07:13:42,532 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2020-10-20 07:13:42,533 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:13:42,533 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:13:42,534 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:13:42,535 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:13:42,535 INFO L794 eck$LassoCheckResult]: Stem: 976#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(29);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(44);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(44);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(9);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(9);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(11);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(10);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(16);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(22);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(20);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string49.base, #t~string49.offset, 1);call write~init~int(115, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(10, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 3 + #t~string49.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(21);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(21);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(30);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(9);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(25);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(30);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(9);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(25);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(10);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(12);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(10);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(18);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0; 939#L-1 havoc main_#res;havoc main_#t~nondet20, main_#t~ret21, main_~retValue_acc~0, main_~tmp~1;main_~retValue_acc~0 := main_#t~nondet20;havoc main_#t~nondet20;havoc main_~tmp~1; 900#L409 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 901#L417 main_#t~ret21 := valid_product_#res;main_~tmp~1 := main_#t~ret21;havoc main_#t~ret21; 968#L173 assume 0 != main_~tmp~1;havoc setup_#t~nondet15, setup_#t~nondet17, setup_#t~nondet19, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.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_tmp3~0.base, setup_~__cil_tmp3~0.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; 969#L2467 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 966#L2473-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string14.base, #t~string14.offset;havoc setup_#t~nondet15;~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; 975#L2467-2 assume !(1 == setClientId_~handle); 902#L2470-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 903#L2473-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string16.base, #t~string16.offset;havoc setup_#t~nondet17;~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; 972#L2467-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 905#L2473-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string18.base, #t~string18.offset;havoc setup_#t~nondet19; 948#L160 havoc test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, 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~2, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 949#L359-1 assume !false; 954#L235 [2020-10-20 07:13:42,535 INFO L796 eck$LassoCheckResult]: Loop: 954#L235 assume test_~splverifierCounter~0 < 4; 955#L236 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 973#L242 assume !(0 == test_~op1~0); 911#L252 assume !(0 == test_~op2~0); 912#L266 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet24;havoc test_#t~nondet24; 940#L271 assume 0 != test_~tmp___7~0;test_~op3~0 := 1; 970#L359-1 assume !false; 954#L235 [2020-10-20 07:13:42,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:13:42,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1897365039, now seen corresponding path program 1 times [2020-10-20 07:13:42,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:13:42,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486244295] [2020-10-20 07:13:42,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:13:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:13:42,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:13:42,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486244295] [2020-10-20 07:13:42,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:13:42,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 07:13:42,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701608859] [2020-10-20 07:13:42,681 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:13:42,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:13:42,681 INFO L82 PathProgramCache]: Analyzing trace with hash -235666265, now seen corresponding path program 1 times [2020-10-20 07:13:42,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:13:42,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788951597] [2020-10-20 07:13:42,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:13:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:13:42,693 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:13:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:13:42,701 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:13:42,722 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:13:42,784 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:13:42,785 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:13:42,785 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:13:42,785 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:13:42,785 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 07:13:42,785 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:42,785 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:13:42,785 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:13:42,785 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product03.cil.c_Iteration2_Loop [2020-10-20 07:13:42,786 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:13:42,786 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:13:42,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:42,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:42,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:42,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:42,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:42,909 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:13:42,909 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:42,913 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:13:42,913 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:42,918 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:13:42,919 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=-5} Honda state: {ULTIMATE.start_test_~op1~0=-5} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 07:13:42,968 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:13:42,969 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 07:13:43,014 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:13:43,015 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:13:43,053 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 07:13:43,056 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:13:43,056 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:13:43,056 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:13:43,056 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:13:43,057 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:13:43,057 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:43,057 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:13:43,057 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:13:43,057 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product03.cil.c_Iteration2_Loop [2020-10-20 07:13:43,058 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:13:43,058 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:13:43,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:43,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:43,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:43,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:43,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:43,400 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:13:43,402 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 07:13:43,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:13:43,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:43,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:43,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:43,421 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 07:13:43,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:43,422 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 07:13:43,422 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 07:13:43,432 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 [2020-10-20 07:13:43,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:13:43,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:43,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:43,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:43,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:43,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:43,474 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:43,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:13:43,476 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:13:43,479 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 07:13:43,480 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 [2020-10-20 07:13:43,483 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:13:43,483 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 07:13:43,483 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:13:43,483 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2020-10-20 07:13:43,512 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 07:13:43,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:13:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:13:43,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:13:43,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:13:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:13:43,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 07:13:43,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:13:43,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:13:43,734 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-10-20 07:13:43,734 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 77 states and 130 transitions. cyclomatic complexity: 55 Second operand 4 states. [2020-10-20 07:13:43,747 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 77 states and 130 transitions. cyclomatic complexity: 55. Second operand 4 states. Result 139 states and 240 transitions. Complement of second has 6 states. [2020-10-20 07:13:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 07:13:43,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 07:13:43,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 77 transitions. [2020-10-20 07:13:43,748 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 77 transitions. Stem has 14 letters. Loop has 7 letters. [2020-10-20 07:13:43,749 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:13:43,749 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 77 transitions. Stem has 21 letters. Loop has 7 letters. [2020-10-20 07:13:43,749 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:13:43,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 77 transitions. Stem has 14 letters. Loop has 14 letters. [2020-10-20 07:13:43,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:13:43,751 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 139 states and 240 transitions. [2020-10-20 07:13:43,752 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:13:43,752 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 139 states to 0 states and 0 transitions. [2020-10-20 07:13:43,753 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:13:43,753 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:13:43,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:13:43,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:13:43,753 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:13:43,754 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:13:43,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:13:43,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 07:13:43,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 07:13:43,755 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-20 07:13:43,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:13:43,755 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-20 07:13:43,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 07:13:43,755 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-20 07:13:43,756 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:13:43,756 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 07:13:43,756 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:13:43,756 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:13:43,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:13:43,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:13:43,757 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:13:43,757 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:13:43,757 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:13:43,757 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 07:13:43,758 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 07:13:43,758 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:13:43,758 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 07:13:43,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 07:13:43 BoogieIcfgContainer [2020-10-20 07:13:43,765 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 07:13:43,766 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 07:13:43,766 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 07:13:43,766 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 07:13:43,767 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:13:40" (3/4) ... [2020-10-20 07:13:43,770 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 07:13:43,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 07:13:43,773 INFO L168 Benchmark]: Toolchain (without parser) took 5527.68 ms. Allocated memory was 42.5 MB in the beginning and 71.8 MB in the end (delta: 29.4 MB). Free memory was 22.2 MB in the beginning and 25.4 MB in the end (delta: -3.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 14.3 GB. [2020-10-20 07:13:43,774 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 33.0 MB. Free memory was 11.4 MB in the beginning and 11.4 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. [2020-10-20 07:13:43,775 INFO L168 Benchmark]: CACSL2BoogieTranslator took 950.25 ms. Allocated memory was 42.5 MB in the beginning and 45.1 MB in the end (delta: 2.6 MB). Free memory was 21.3 MB in the beginning and 21.8 MB in the end (delta: -481.4 kB). Peak memory consumption was 16.1 MB. Max. memory is 14.3 GB. [2020-10-20 07:13:43,776 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.85 ms. Allocated memory is still 45.1 MB. Free memory was 21.8 MB in the beginning and 17.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 14.3 GB. [2020-10-20 07:13:43,777 INFO L168 Benchmark]: Boogie Preprocessor took 58.03 ms. Allocated memory is still 45.1 MB. Free memory was 16.8 MB in the beginning and 13.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. [2020-10-20 07:13:43,778 INFO L168 Benchmark]: RCFGBuilder took 1285.80 ms. Allocated memory was 45.1 MB in the beginning and 52.4 MB in the end (delta: 7.3 MB). Free memory was 13.8 MB in the beginning and 13.0 MB in the end (delta: 814.8 kB). Peak memory consumption was 11.5 MB. Max. memory is 14.3 GB. [2020-10-20 07:13:43,779 INFO L168 Benchmark]: BuchiAutomizer took 3103.96 ms. Allocated memory was 52.4 MB in the beginning and 71.8 MB in the end (delta: 19.4 MB). Free memory was 12.5 MB in the beginning and 26.1 MB in the end (delta: -13.6 MB). Peak memory consumption was 5.8 MB. Max. memory is 14.3 GB. [2020-10-20 07:13:43,780 INFO L168 Benchmark]: Witness Printer took 5.03 ms. Allocated memory is still 71.8 MB. Free memory was 26.1 MB in the beginning and 25.4 MB in the end (delta: 693.9 kB). Peak memory consumption was 693.9 kB. Max. memory is 14.3 GB. [2020-10-20 07:13:43,785 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 33.0 MB. Free memory was 11.4 MB in the beginning and 11.4 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 950.25 ms. Allocated memory was 42.5 MB in the beginning and 45.1 MB in the end (delta: 2.6 MB). Free memory was 21.3 MB in the beginning and 21.8 MB in the end (delta: -481.4 kB). Peak memory consumption was 16.1 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 109.85 ms. Allocated memory is still 45.1 MB. Free memory was 21.8 MB in the beginning and 17.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 58.03 ms. Allocated memory is still 45.1 MB. Free memory was 16.8 MB in the beginning and 13.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1285.80 ms. Allocated memory was 45.1 MB in the beginning and 52.4 MB in the end (delta: 7.3 MB). Free memory was 13.8 MB in the beginning and 13.0 MB in the end (delta: 814.8 kB). Peak memory consumption was 11.5 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 3103.96 ms. Allocated memory was 52.4 MB in the beginning and 71.8 MB in the end (delta: 19.4 MB). Free memory was 12.5 MB in the beginning and 26.1 MB in the end (delta: -13.6 MB). Peak memory consumption was 5.8 MB. Max. memory is 14.3 GB. * Witness Printer took 5.03 ms. Allocated memory is still 71.8 MB. Free memory was 26.1 MB in the beginning and 25.4 MB in the end (delta: 693.9 kB). Peak memory consumption was 693.9 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op1 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. 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, 120 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 77 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 543 SDtfs, 472 SDslu, 621 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: 29ms 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...