./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec27_product29.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_spec27_product29.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 a964f19af07deb067d3f6c092868efc3384e461d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 07:14:24,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 07:14:24,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 07:14:24,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 07:14:24,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 07:14:24,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 07:14:24,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 07:14:24,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 07:14:24,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 07:14:24,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 07:14:24,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 07:14:24,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 07:14:24,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 07:14:24,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 07:14:24,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 07:14:24,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 07:14:24,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 07:14:24,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 07:14:24,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 07:14:24,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 07:14:24,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 07:14:24,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 07:14:24,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 07:14:24,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 07:14:24,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 07:14:24,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 07:14:24,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 07:14:24,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 07:14:24,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 07:14:24,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 07:14:24,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 07:14:24,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 07:14:24,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 07:14:24,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 07:14:24,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 07:14:24,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 07:14:24,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 07:14:24,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 07:14:24,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 07:14:24,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 07:14:24,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 07:14:24,431 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 07:14:24,482 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 07:14:24,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 07:14:24,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 07:14:24,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 07:14:24,488 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 07:14:24,488 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 07:14:24,488 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 07:14:24,489 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 07:14:24,489 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 07:14:24,489 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 07:14:24,490 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 07:14:24,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 07:14:24,491 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 07:14:24,491 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 07:14:24,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 07:14:24,492 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 07:14:24,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 07:14:24,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 07:14:24,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 07:14:24,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 07:14:24,493 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 07:14:24,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 07:14:24,494 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 07:14:24,494 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 07:14:24,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 07:14:24,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 07:14:24,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 07:14:24,495 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 07:14:24,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 07:14:24,496 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 07:14:24,496 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 07:14:24,496 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 07:14:24,497 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 07:14:24,498 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 -> a964f19af07deb067d3f6c092868efc3384e461d [2020-10-20 07:14:24,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 07:14:24,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 07:14:24,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 07:14:24,739 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 07:14:24,740 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 07:14:24,741 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product29.cil.c [2020-10-20 07:14:24,800 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d4b18555/6c15b9d6c57746e3bb70527105a8ea7b/FLAG97f5acf34 [2020-10-20 07:14:25,383 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 07:14:25,385 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product29.cil.c [2020-10-20 07:14:25,407 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d4b18555/6c15b9d6c57746e3bb70527105a8ea7b/FLAG97f5acf34 [2020-10-20 07:14:25,554 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d4b18555/6c15b9d6c57746e3bb70527105a8ea7b [2020-10-20 07:14:25,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 07:14:25,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 07:14:25,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 07:14:25,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 07:14:25,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 07:14:25,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:14:25" (1/1) ... [2020-10-20 07:14:25,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dc80e9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:25, skipping insertion in model container [2020-10-20 07:14:25,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:14:25" (1/1) ... [2020-10-20 07:14:25,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 07:14:25,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 07:14:26,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:14:26,335 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 07:14:26,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:14:26,627 INFO L208 MainTranslator]: Completed translation [2020-10-20 07:14:26,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:26 WrapperNode [2020-10-20 07:14:26,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 07:14:26,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 07:14:26,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 07:14:26,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 07:14:26,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:26" (1/1) ... [2020-10-20 07:14:26,678 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:26" (1/1) ... [2020-10-20 07:14:26,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 07:14:26,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 07:14:26,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 07:14:26,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 07:14:26,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:26" (1/1) ... [2020-10-20 07:14:26,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:26" (1/1) ... [2020-10-20 07:14:26,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:26" (1/1) ... [2020-10-20 07:14:26,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:26" (1/1) ... [2020-10-20 07:14:26,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:26" (1/1) ... [2020-10-20 07:14:27,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:26" (1/1) ... [2020-10-20 07:14:27,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:26" (1/1) ... [2020-10-20 07:14:27,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 07:14:27,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 07:14:27,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 07:14:27,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 07:14:27,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:26" (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 07:14:27,128 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-20 07:14:27,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 07:14:27,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 07:14:27,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 07:14:27,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 07:14:30,619 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 07:14:30,619 INFO L298 CfgBuilder]: Removed 629 assume(true) statements. [2020-10-20 07:14:30,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:14:30 BoogieIcfgContainer [2020-10-20 07:14:30,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 07:14:30,623 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 07:14:30,623 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 07:14:30,630 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 07:14:30,631 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:14:30,631 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 07:14:25" (1/3) ... [2020-10-20 07:14:30,635 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4998490c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:14:30, skipping insertion in model container [2020-10-20 07:14:30,635 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:14:30,636 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:14:26" (2/3) ... [2020-10-20 07:14:30,636 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4998490c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:14:30, skipping insertion in model container [2020-10-20 07:14:30,636 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:14:30,637 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:14:30" (3/3) ... [2020-10-20 07:14:30,639 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec27_product29.cil.c [2020-10-20 07:14:30,688 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 07:14:30,688 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 07:14:30,688 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 07:14:30,688 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 07:14:30,689 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 07:14:30,689 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 07:14:30,689 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 07:14:30,689 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 07:14:30,736 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1058 states. [2020-10-20 07:14:30,834 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2020-10-20 07:14:30,835 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:14:30,835 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:14:30,848 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:14:30,848 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-20 07:14:30,848 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 07:14:30,849 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1058 states. [2020-10-20 07:14:30,862 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2020-10-20 07:14:30,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:14:30,862 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:14:30,868 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:14:30,869 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-20 07:14:30,885 INFO L794 eck$LassoCheckResult]: Stem: 416#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.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(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string45.base, #t~string45.offset, 1);call write~init~int(115, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(10, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 3 + #t~string45.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(10);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(12);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(10);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(18);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(16);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(16);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(10);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(34);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(30);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(16);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(20);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(44);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(44);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(9);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(9);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(11);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(19);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string136.base, #t~string136.offset, 1);call write~init~int(100, #t~string136.base, 1 + #t~string136.offset, 1);call write~init~int(10, #t~string136.base, 2 + #t~string136.offset, 1);call write~init~int(0, #t~string136.base, 3 + #t~string136.offset, 1);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string139.base, #t~string139.offset, 1);call write~init~int(100, #t~string139.base, 1 + #t~string139.offset, 1);call write~init~int(10, #t~string139.base, 2 + #t~string139.offset, 1);call write~init~int(0, #t~string139.base, 3 + #t~string139.offset, 1);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(16);~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;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 294#L-1true havoc main_#res;havoc main_#t~ret131, main_~retValue_acc~43, main_~tmp~21;havoc main_~retValue_acc~43;havoc main_~tmp~21; 65#L1523true havoc valid_product_#res;havoc valid_product_~retValue_acc~21;havoc valid_product_~retValue_acc~21;valid_product_~retValue_acc~21 := 1;valid_product_#res := valid_product_~retValue_acc~21; 756#L1531true main_#t~ret131 := valid_product_#res;main_~tmp~21 := main_#t~ret131;havoc main_#t~ret131; 946#L2851true assume 0 != main_~tmp~21;havoc setup_#t~nondet126, setup_#t~nondet128, setup_#t~nondet130, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 657#L1470true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 189#L1476-2true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 410#L1035true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 1004#L1041-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string125.base, #t~string125.offset;havoc setup_#t~nondet126;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 662#L1470-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 194#L1476-5true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 396#L1035-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 993#L1041-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string127.base, #t~string127.offset;havoc setup_#t~nondet128;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 666#L1470-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 179#L1476-8true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 399#L1035-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 981#L1041-8true setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string129.base, #t~string129.offset;havoc setup_#t~nondet130; 515#L2838true havoc test_#t~nondet76, test_#t~nondet77, 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_~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~10, test_~tmp___0~3, test_~tmp___1~1, test_~tmp___2~1, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~1;havoc test_~tmp___2~1;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 928#L1905-1true [2020-10-20 07:14:30,885 INFO L796 eck$LassoCheckResult]: Loop: 928#L1905-1true assume !false; 331#L1760true assume test_~splverifierCounter~0 < 4; 443#L1761true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 103#L1767true assume !(0 == test_~op1~0); 573#L1780true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet77;havoc test_#t~nondet77; 152#L1785true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 928#L1905-1true [2020-10-20 07:14:30,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:14:30,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2020-10-20 07:14:30,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:14:30,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997731516] [2020-10-20 07:14:30,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:14:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:14:31,246 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 07:14:31,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997731516] [2020-10-20 07:14:31,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:14:31,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 07:14:31,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463346832] [2020-10-20 07:14:31,256 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:14:31,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:14:31,257 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2020-10-20 07:14:31,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:14:31,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757886543] [2020-10-20 07:14:31,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:14:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:14:31,299 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:14:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:14:31,315 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:14:31,352 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:14:31,404 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:14:31,405 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:14:31,405 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:14:31,405 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:14:31,406 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 07:14:31,406 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:31,406 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:14:31,406 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:14:31,406 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product29.cil.c_Iteration1_Loop [2020-10-20 07:14:31,406 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:14:31,407 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:14:31,432 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 07:14:31,448 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 07:14:31,456 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 07:14:31,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:31,557 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:14:31,558 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 07:14:31,569 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:14:31,570 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 07:14:31,620 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:14:31,620 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:14:31,632 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 07:14:31,668 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:14:31,668 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:14:31,668 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:14:31,668 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:14:31,669 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:14:31,669 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:31,669 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:14:31,669 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:14:31,669 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product29.cil.c_Iteration1_Loop [2020-10-20 07:14:31,670 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:14:31,670 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:14:31,671 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 07:14:31,679 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 07:14:31,687 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 07:14:31,692 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 07:14:31,784 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:14:31,790 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:31,798 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 07:14:31,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:14:31,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:14:31,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:14:31,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:14:31,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:14:31,804 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:14:31,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:14:31,808 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:14:31,817 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 07:14:31,817 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 07:14:31,870 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:14:31,870 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 07:14:31,871 INFO L510 LassoAnalysis]: Proved termination. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:31,872 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2020-10-20 07:14:31,921 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 07:14:31,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:14:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:14:32,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:14:32,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:14:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:14:32,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 07:14:32,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:14:32,249 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 07:14:32,268 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 07:14:32,270 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1058 states. Second operand 4 states. [2020-10-20 07:14:32,790 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1058 states.. Second operand 4 states. Result 4900 states and 8610 transitions. Complement of second has 7 states. [2020-10-20 07:14:32,791 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 07:14:32,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 07:14:32,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5010 transitions. [2020-10-20 07:14:32,803 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5010 transitions. Stem has 18 letters. Loop has 6 letters. [2020-10-20 07:14:32,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:14:32,805 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5010 transitions. Stem has 24 letters. Loop has 6 letters. [2020-10-20 07:14:32,806 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:14:32,806 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5010 transitions. Stem has 18 letters. Loop has 12 letters. [2020-10-20 07:14:32,806 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:14:32,808 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4900 states and 8610 transitions. [2020-10-20 07:14:32,857 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 501 [2020-10-20 07:14:32,873 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4900 states to 1035 states and 1896 transitions. [2020-10-20 07:14:32,874 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 532 [2020-10-20 07:14:32,876 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 533 [2020-10-20 07:14:32,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1035 states and 1896 transitions. [2020-10-20 07:14:32,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:14:32,880 INFO L691 BuchiCegarLoop]: Abstraction has 1035 states and 1896 transitions. [2020-10-20 07:14:32,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states and 1896 transitions. [2020-10-20 07:14:32,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 534. [2020-10-20 07:14:32,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2020-10-20 07:14:32,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 975 transitions. [2020-10-20 07:14:32,947 INFO L714 BuchiCegarLoop]: Abstraction has 534 states and 975 transitions. [2020-10-20 07:14:32,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:14:32,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 07:14:32,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 07:14:32,954 INFO L87 Difference]: Start difference. First operand 534 states and 975 transitions. Second operand 3 states. [2020-10-20 07:14:33,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:14:33,044 INFO L93 Difference]: Finished difference Result 1048 states and 1915 transitions. [2020-10-20 07:14:33,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 07:14:33,047 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1048 states and 1915 transitions. [2020-10-20 07:14:33,058 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 502 [2020-10-20 07:14:33,070 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1048 states to 1048 states and 1915 transitions. [2020-10-20 07:14:33,071 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 544 [2020-10-20 07:14:33,073 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 544 [2020-10-20 07:14:33,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1048 states and 1915 transitions. [2020-10-20 07:14:33,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:14:33,074 INFO L691 BuchiCegarLoop]: Abstraction has 1048 states and 1915 transitions. [2020-10-20 07:14:33,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states and 1915 transitions. [2020-10-20 07:14:33,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 533. [2020-10-20 07:14:33,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2020-10-20 07:14:33,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 971 transitions. [2020-10-20 07:14:33,104 INFO L714 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2020-10-20 07:14:33,104 INFO L594 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2020-10-20 07:14:33,104 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 07:14:33,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 533 states and 971 transitions. [2020-10-20 07:14:33,108 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2020-10-20 07:14:33,108 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:14:33,108 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:14:33,109 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:14:33,110 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:14:33,110 INFO L794 eck$LassoCheckResult]: Stem: 7934#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.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(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string45.base, #t~string45.offset, 1);call write~init~int(115, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(10, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 3 + #t~string45.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(10);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(12);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(10);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(18);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(16);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(16);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(10);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(34);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(30);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(16);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(20);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(44);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(44);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(9);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(9);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(11);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(19);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string136.base, #t~string136.offset, 1);call write~init~int(100, #t~string136.base, 1 + #t~string136.offset, 1);call write~init~int(10, #t~string136.base, 2 + #t~string136.offset, 1);call write~init~int(0, #t~string136.base, 3 + #t~string136.offset, 1);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string139.base, #t~string139.offset, 1);call write~init~int(100, #t~string139.base, 1 + #t~string139.offset, 1);call write~init~int(10, #t~string139.base, 2 + #t~string139.offset, 1);call write~init~int(0, #t~string139.base, 3 + #t~string139.offset, 1);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(16);~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;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 7643#L-1 havoc main_#res;havoc main_#t~ret131, main_~retValue_acc~43, main_~tmp~21;havoc main_~retValue_acc~43;havoc main_~tmp~21; 7644#L1523 havoc valid_product_#res;havoc valid_product_~retValue_acc~21;havoc valid_product_~retValue_acc~21;valid_product_~retValue_acc~21 := 1;valid_product_#res := valid_product_~retValue_acc~21; 7721#L1531 main_#t~ret131 := valid_product_#res;main_~tmp~21 := main_#t~ret131;havoc main_#t~ret131; 7985#L2851 assume 0 != main_~tmp~21;havoc setup_#t~nondet126, setup_#t~nondet128, setup_#t~nondet130, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 7892#L1470 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7893#L1476-2 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 7919#L1035 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7920#L1041-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string125.base, #t~string125.offset;havoc setup_#t~nondet126;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 7902#L1470-2 assume !(1 == setClientId_~handle); 7903#L1473-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 8117#L1476-5 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 7889#L1035-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7890#L1041-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string127.base, #t~string127.offset;havoc setup_#t~nondet128;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 7918#L1470-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7826#L1476-8 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 7899#L1035-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7900#L1041-8 setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string129.base, #t~string129.offset;havoc setup_#t~nondet130; 8075#L2838 havoc test_#t~nondet76, test_#t~nondet77, 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_~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~10, test_~tmp___0~3, test_~tmp___1~1, test_~tmp___2~1, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~1;havoc test_~tmp___2~1;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 8145#L1905-1 assume !false; 7713#L1760 [2020-10-20 07:14:33,110 INFO L796 eck$LassoCheckResult]: Loop: 7713#L1760 assume test_~splverifierCounter~0 < 4; 7714#L1761 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 7943#L1767 assume !(0 == test_~op1~0); 7705#L1780 assume !(0 == test_~op2~0); 8016#L1791 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet78;havoc test_#t~nondet78; 8017#L1796 assume 0 != test_~tmp___7~0;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := ~rjh~0, 0;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 7910#L1035-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7832#L1041-11 test_~op3~0 := 1; 7912#L1905-1 assume !false; 7713#L1760 [2020-10-20 07:14:33,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:14:33,111 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2020-10-20 07:14:33,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:14:33,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902409456] [2020-10-20 07:14:33,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:14:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:14:33,304 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 07:14:33,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902409456] [2020-10-20 07:14:33,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:14:33,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 07:14:33,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011359342] [2020-10-20 07:14:33,305 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:14:33,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:14:33,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2020-10-20 07:14:33,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:14:33,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948278274] [2020-10-20 07:14:33,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:14:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:14:33,314 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:14:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:14:33,318 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:14:33,327 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:14:33,396 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:14:33,397 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:14:33,397 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:14:33,397 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:14:33,397 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 07:14:33,397 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:33,397 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:14:33,397 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:14:33,397 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product29.cil.c_Iteration2_Loop [2020-10-20 07:14:33,398 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:14:33,398 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:14:33,399 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 07:14:33,407 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 07:14:33,414 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 07:14:33,419 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 07:14:33,423 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 07:14:33,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:14:33,441 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 07:14:33,750 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-10-20 07:14:33,844 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:14:33,845 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 07:14:33,857 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:14:33,857 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 07:14:33,864 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:14:33,864 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Honda state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:14:33,911 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:14:33,911 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) [2020-10-20 07:14:33,962 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:14:33,962 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:34,003 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 07:14:34,005 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:14:34,005 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:14:34,005 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:14:34,005 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:14:34,005 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:14:34,005 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:34,006 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:14:34,006 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:14:34,006 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product29.cil.c_Iteration2_Loop [2020-10-20 07:14:34,006 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:14:34,006 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:14:34,009 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 07:14:34,016 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 07:14:34,026 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 07:14:34,034 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 07:14:34,038 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 07:14:34,042 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 07:14:34,050 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 07:14:34,183 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:14:34,183 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 07:14:34,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:34,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:14:34,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:14:34,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:14:34,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:14:34,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:14:34,196 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:14:34,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:14:34,199 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:14:34,203 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 07:14:34,203 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:14:34,208 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:14:34,209 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 07:14:34,209 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:14:34,209 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:14:34,240 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 07:14:34,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:14:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:14:34,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:14:34,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:14:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:14:34,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 07:14:34,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:14:34,480 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 07:14:34,480 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 07:14:34,481 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440 Second operand 4 states. [2020-10-20 07:14:34,526 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440. Second operand 4 states. Result 1039 states and 1901 transitions. Complement of second has 6 states. [2020-10-20 07:14:34,526 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 07:14:34,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 07:14:34,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 508 transitions. [2020-10-20 07:14:34,529 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 9 letters. [2020-10-20 07:14:34,530 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:14:34,530 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 29 letters. Loop has 9 letters. [2020-10-20 07:14:34,530 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:14:34,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 18 letters. [2020-10-20 07:14:34,534 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:14:34,534 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1901 transitions. [2020-10-20 07:14:34,543 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:14:34,544 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 0 states and 0 transitions. [2020-10-20 07:14:34,544 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:14:34,544 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:14:34,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:14:34,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:14:34,545 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:14:34,545 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:14:34,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:14:34,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 07:14:34,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 07:14:34,547 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2020-10-20 07:14:34,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:14:34,547 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-20 07:14:34,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 07:14:34,547 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-20 07:14:34,548 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:14:34,548 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 07:14:34,548 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:14:34,548 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:14:34,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:14:34,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:14:34,548 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:14:34,548 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:14:34,549 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:14:34,549 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 07:14:34,549 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 07:14:34,549 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:14:34,549 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 07:14:34,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 07:14:34 BoogieIcfgContainer [2020-10-20 07:14:34,557 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 07:14:34,557 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 07:14:34,557 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 07:14:34,557 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 07:14:34,558 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:14:30" (3/4) ... [2020-10-20 07:14:34,561 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 07:14:34,562 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 07:14:34,565 INFO L168 Benchmark]: Toolchain (without parser) took 9003.19 ms. Allocated memory was 37.2 MB in the beginning and 139.5 MB in the end (delta: 102.2 MB). Free memory was 16.5 MB in the beginning and 38.3 MB in the end (delta: -21.8 MB). Peak memory consumption was 80.4 MB. Max. memory is 14.3 GB. [2020-10-20 07:14:34,566 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 34.6 MB. Free memory was 11.4 MB in the beginning and 11.4 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. [2020-10-20 07:14:34,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1064.01 ms. Allocated memory was 37.2 MB in the beginning and 50.3 MB in the end (delta: 13.1 MB). Free memory was 15.7 MB in the beginning and 28.1 MB in the end (delta: -12.3 MB). Peak memory consumption was 16.9 MB. Max. memory is 14.3 GB. [2020-10-20 07:14:34,569 INFO L168 Benchmark]: Boogie Procedure Inliner took 226.66 ms. Allocated memory is still 50.3 MB. Free memory was 28.1 MB in the beginning and 10.8 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 14.3 GB. [2020-10-20 07:14:34,574 INFO L168 Benchmark]: Boogie Preprocessor took 195.81 ms. Allocated memory is still 50.3 MB. Free memory was 10.8 MB in the beginning and 14.1 MB in the end (delta: -3.3 MB). Peak memory consumption was 3.7 MB. Max. memory is 14.3 GB. [2020-10-20 07:14:34,575 INFO L168 Benchmark]: RCFGBuilder took 3568.26 ms. Allocated memory was 50.3 MB in the beginning and 100.1 MB in the end (delta: 49.8 MB). Free memory was 13.7 MB in the beginning and 54.4 MB in the end (delta: -40.7 MB). Peak memory consumption was 46.2 MB. Max. memory is 14.3 GB. [2020-10-20 07:14:34,576 INFO L168 Benchmark]: BuchiAutomizer took 3933.61 ms. Allocated memory was 100.1 MB in the beginning and 139.5 MB in the end (delta: 39.3 MB). Free memory was 53.5 MB in the beginning and 38.3 MB in the end (delta: 15.2 MB). Peak memory consumption was 54.5 MB. Max. memory is 14.3 GB. [2020-10-20 07:14:34,576 INFO L168 Benchmark]: Witness Printer took 4.75 ms. Allocated memory is still 139.5 MB. Free memory is still 38.3 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 07:14:34,593 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 34.6 MB. Free memory was 11.4 MB in the beginning and 11.4 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1064.01 ms. Allocated memory was 37.2 MB in the beginning and 50.3 MB in the end (delta: 13.1 MB). Free memory was 15.7 MB in the beginning and 28.1 MB in the end (delta: -12.3 MB). Peak memory consumption was 16.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 226.66 ms. Allocated memory is still 50.3 MB. Free memory was 28.1 MB in the beginning and 10.8 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 195.81 ms. Allocated memory is still 50.3 MB. Free memory was 10.8 MB in the beginning and 14.1 MB in the end (delta: -3.3 MB). Peak memory consumption was 3.7 MB. Max. memory is 14.3 GB. * RCFGBuilder took 3568.26 ms. Allocated memory was 50.3 MB in the beginning and 100.1 MB in the end (delta: 49.8 MB). Free memory was 13.7 MB in the beginning and 54.4 MB in the end (delta: -40.7 MB). Peak memory consumption was 46.2 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 3933.61 ms. Allocated memory was 100.1 MB in the beginning and 139.5 MB in the end (delta: 39.3 MB). Free memory was 53.5 MB in the beginning and 38.3 MB in the end (delta: 15.2 MB). Peak memory consumption was 54.5 MB. Max. memory is 14.3 GB. * Witness Printer took 4.75 ms. Allocated memory is still 139.5 MB. Free memory is still 38.3 MB. There was no memory consumed. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1016 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 533 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5130 SDtfs, 4636 SDslu, 6785 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 79ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 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...