./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec0_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/email_spec0_product36.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a4526955ec47ece593df350860d30065bd0ba55 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 04:57:26,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:57:26,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:57:26,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:57:26,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:57:26,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:57:26,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:57:26,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:57:26,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:57:26,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:57:26,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:57:26,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:57:26,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:57:26,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:57:26,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:57:26,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:57:26,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:57:26,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:57:26,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:57:26,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:57:26,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:57:26,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:57:26,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:57:26,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:57:26,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:57:26,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:57:26,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:57:26,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:57:26,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:57:26,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:57:26,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:57:26,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:57:26,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:57:26,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:57:26,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:57:26,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:57:26,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:57:26,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:57:26,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:57:26,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:57:26,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:57:26,699 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-26 04:57:26,751 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:57:26,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:57:26,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:57:26,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:57:26,755 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:57:26,755 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:57:26,756 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:57:26,756 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:57:26,757 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:57:26,757 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:57:26,758 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:57:26,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:57:26,759 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 04:57:26,759 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:57:26,759 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:57:26,759 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 04:57:26,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:57:26,760 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:57:26,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:57:26,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:57:26,761 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 04:57:26,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:57:26,761 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:57:26,762 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:57:26,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:57:26,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:57:26,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:57:26,763 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:57:26,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:57:26,763 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:57:26,764 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:57:26,764 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:57:26,765 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:57:26,766 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a4526955ec47ece593df350860d30065bd0ba55 [2020-10-26 04:57:27,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:57:27,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:57:27,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:57:27,200 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:57:27,202 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:57:27,203 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product36.cil.c [2020-10-26 04:57:27,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca8e2f719/e4ebe4f943ba4c90a285c323d6a50372/FLAG643fb9d1c [2020-10-26 04:57:28,055 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:57:28,055 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product36.cil.c [2020-10-26 04:57:28,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca8e2f719/e4ebe4f943ba4c90a285c323d6a50372/FLAG643fb9d1c [2020-10-26 04:57:28,301 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca8e2f719/e4ebe4f943ba4c90a285c323d6a50372 [2020-10-26 04:57:28,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:57:28,326 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:57:28,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:57:28,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:57:28,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:57:28,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:57:28" (1/1) ... [2020-10-26 04:57:28,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2646ef2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:28, skipping insertion in model container [2020-10-26 04:57:28,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:57:28" (1/1) ... [2020-10-26 04:57:28,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:57:28,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:57:29,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:57:29,081 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:57:29,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:57:29,272 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:57:29,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:29 WrapperNode [2020-10-26 04:57:29,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:57:29,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:57:29,275 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:57:29,275 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:57:29,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:29" (1/1) ... [2020-10-26 04:57:29,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:29" (1/1) ... [2020-10-26 04:57:29,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:57:29,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:57:29,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:57:29,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:57:29,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:29" (1/1) ... [2020-10-26 04:57:29,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:29" (1/1) ... [2020-10-26 04:57:29,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:29" (1/1) ... [2020-10-26 04:57:29,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:29" (1/1) ... [2020-10-26 04:57:29,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:29" (1/1) ... [2020-10-26 04:57:29,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:29" (1/1) ... [2020-10-26 04:57:29,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:29" (1/1) ... [2020-10-26 04:57:29,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:57:29,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:57:29,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:57:29,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:57:29,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:29,688 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-26 04:57:29,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 04:57:29,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 04:57:29,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:57:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:57:32,355 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:57:32,356 INFO L298 CfgBuilder]: Removed 417 assume(true) statements. [2020-10-26 04:57:32,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:57:32 BoogieIcfgContainer [2020-10-26 04:57:32,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:57:32,360 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:57:32,360 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:57:32,364 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:57:32,364 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:57:32,365 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:57:28" (1/3) ... [2020-10-26 04:57:32,366 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ffbd13a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:57:32, skipping insertion in model container [2020-10-26 04:57:32,366 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:57:32,366 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:57:29" (2/3) ... [2020-10-26 04:57:32,367 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ffbd13a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:57:32, skipping insertion in model container [2020-10-26 04:57:32,367 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:57:32,367 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:57:32" (3/3) ... [2020-10-26 04:57:32,369 INFO L373 chiAutomizerObserver]: Analyzing ICFG email_spec0_product36.cil.c [2020-10-26 04:57:32,418 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:57:32,418 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:57:32,418 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:57:32,418 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:57:32,418 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:57:32,419 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:57:32,419 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:57:32,419 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:57:32,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 477 states. [2020-10-26 04:57:32,498 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2020-10-26 04:57:32,498 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:57:32,499 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:57:32,508 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:57:32,508 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-26 04:57:32,509 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:57:32,509 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 477 states. [2020-10-26 04:57:32,521 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2020-10-26 04:57:32,522 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:57:32,522 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:57:32,523 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:57:32,524 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-26 04:57:32,530 INFO L794 eck$LassoCheckResult]: Stem: 344#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string43.base, #t~string43.offset, 1);call write~init~int(115, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(10, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 3 + #t~string43.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~string59.base, #t~string59.offset := #Ultimate.allocOnStack(10);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(34);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(16);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(22);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(21);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(16);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(44);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(44);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(9);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(9);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(11);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__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;~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; 261#L-1true havoc main_#res;havoc main_#t~nondet109, main_#t~ret110, main_~retValue_acc~41, main_~tmp~17;main_~retValue_acc~41 := main_#t~nondet109;havoc main_#t~nondet109;havoc main_~tmp~17; 348#L77true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 457#L85true main_#t~ret110 := valid_product_#res;main_~tmp~17 := main_#t~ret110;havoc main_#t~ret110; 279#L2608true assume 0 != main_~tmp~17;havoc setup_#t~nondet104, setup_#t~nondet106, setup_#t~nondet108, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 17#L1546true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 351#L1552-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string103.base, #t~string103.offset;havoc setup_#t~nondet104;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 128#L1546-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 358#L1552-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string105.base, #t~string105.offset;havoc setup_#t~nondet106;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 138#L1546-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 347#L1552-8true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string107.base, #t~string107.offset;havoc setup_#t~nondet108; 467#L2595true havoc test_#t~nondet85, test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_#t~nondet90, test_#t~nondet91, test_#t~nondet92, test_#t~nondet93, test_#t~nondet94, test_#t~nondet95, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~15, test_~tmp___0~2, test_~tmp___1~2, test_~tmp___2~2, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~15;havoc test_~tmp___0~2;havoc test_~tmp___1~2;havoc test_~tmp___2~2;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 458#L2474-1true [2020-10-26 04:57:32,531 INFO L796 eck$LassoCheckResult]: Loop: 458#L2474-1true assume !false; 264#L2344true assume test_~splverifierCounter~0 < 4; 345#L2345true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 77#L2351true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet85;havoc test_#t~nondet85; 263#L2355true assume 0 != test_~tmp___9~0;test_~op1~0 := 1; 458#L2474-1true [2020-10-26 04:57:32,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:57:32,538 INFO L82 PathProgramCache]: Analyzing trace with hash -580026000, now seen corresponding path program 1 times [2020-10-26 04:57:32,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:57:32,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200814016] [2020-10-26 04:57:32,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:57:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:57:32,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:57:32,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200814016] [2020-10-26 04:57:32,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:57:32,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 04:57:32,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897068596] [2020-10-26 04:57:32,921 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 04:57:32,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:57:32,922 INFO L82 PathProgramCache]: Analyzing trace with hash 103192148, now seen corresponding path program 1 times [2020-10-26 04:57:32,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:57:32,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599581439] [2020-10-26 04:57:32,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:57:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:57:32,936 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:57:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:57:32,942 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:57:32,970 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:57:33,042 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:57:33,043 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:57:33,043 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:57:33,043 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:57:33,043 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:57:33,044 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:33,044 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:57:33,044 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:57:33,044 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product36.cil.c_Iteration1_Loop [2020-10-26 04:57:33,044 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:57:33,045 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:57:33,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:33,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:33,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:33,305 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:57:33,306 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:57:33,321 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:57:33,322 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:33,370 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:57:33,370 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 04:57:33,382 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 04:57:33,417 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:57:33,417 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:57:33,418 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:57:33,418 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:57:33,418 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:57:33,418 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:33,418 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:57:33,418 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:57:33,418 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product36.cil.c_Iteration1_Loop [2020-10-26 04:57:33,418 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:57:33,419 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:57:33,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:33,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:33,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:33,586 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:57:33,593 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:57:33,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:57:33,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:57:33,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:57:33,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:57:33,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:57:33,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:57:33,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:57:33,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:33,618 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:57:33,628 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-26 04:57:33,628 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) [2020-10-26 04:57:33,639 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:57:33,640 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 04:57:33,651 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:57:33,652 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:33,681 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 04:57:33,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:57:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:57:33,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:57:33,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:57:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:57:34,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:57:34,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:57:34,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:57:34,147 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-26 04:57:34,148 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 477 states. Second operand 4 states. [2020-10-26 04:57:34,469 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 477 states.. Second operand 4 states. Result 2218 states and 3695 transitions. Complement of second has 7 states. [2020-10-26 04:57:34,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-26 04:57:34,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-26 04:57:34,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2181 transitions. [2020-10-26 04:57:34,477 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2181 transitions. Stem has 12 letters. Loop has 5 letters. [2020-10-26 04:57:34,479 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:57:34,479 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2181 transitions. Stem has 17 letters. Loop has 5 letters. [2020-10-26 04:57:34,479 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:57:34,479 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2181 transitions. Stem has 12 letters. Loop has 10 letters. [2020-10-26 04:57:34,480 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:57:34,481 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2218 states and 3695 transitions. [2020-10-26 04:57:34,506 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 151 [2020-10-26 04:57:34,515 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2218 states to 323 states and 591 transitions. [2020-10-26 04:57:34,516 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 170 [2020-10-26 04:57:34,517 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 171 [2020-10-26 04:57:34,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 323 states and 591 transitions. [2020-10-26 04:57:34,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:57:34,519 INFO L691 BuchiCegarLoop]: Abstraction has 323 states and 591 transitions. [2020-10-26 04:57:34,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states and 591 transitions. [2020-10-26 04:57:34,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 172. [2020-10-26 04:57:34,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-10-26 04:57:34,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 312 transitions. [2020-10-26 04:57:34,564 INFO L714 BuchiCegarLoop]: Abstraction has 172 states and 312 transitions. [2020-10-26 04:57:34,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:57:34,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:57:34,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:57:34,570 INFO L87 Difference]: Start difference. First operand 172 states and 312 transitions. Second operand 3 states. [2020-10-26 04:57:34,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:57:34,614 INFO L93 Difference]: Finished difference Result 328 states and 596 transitions. [2020-10-26 04:57:34,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 04:57:34,615 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 328 states and 596 transitions. [2020-10-26 04:57:34,618 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 152 [2020-10-26 04:57:34,621 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 328 states to 328 states and 596 transitions. [2020-10-26 04:57:34,622 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 174 [2020-10-26 04:57:34,622 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 174 [2020-10-26 04:57:34,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 328 states and 596 transitions. [2020-10-26 04:57:34,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:57:34,625 INFO L691 BuchiCegarLoop]: Abstraction has 328 states and 596 transitions. [2020-10-26 04:57:34,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states and 596 transitions. [2020-10-26 04:57:34,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 171. [2020-10-26 04:57:34,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-10-26 04:57:34,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 308 transitions. [2020-10-26 04:57:34,637 INFO L714 BuchiCegarLoop]: Abstraction has 171 states and 308 transitions. [2020-10-26 04:57:34,637 INFO L594 BuchiCegarLoop]: Abstraction has 171 states and 308 transitions. [2020-10-26 04:57:34,637 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:57:34,637 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 171 states and 308 transitions. [2020-10-26 04:57:34,638 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2020-10-26 04:57:34,639 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:57:34,639 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:57:34,640 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:57:34,640 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:57:34,640 INFO L794 eck$LassoCheckResult]: Stem: 3363#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string43.base, #t~string43.offset, 1);call write~init~int(115, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(10, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 3 + #t~string43.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~string59.base, #t~string59.offset := #Ultimate.allocOnStack(10);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(34);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(16);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(22);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(21);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(16);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(44);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(44);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(9);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(9);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(11);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__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;~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; 3318#L-1 havoc main_#res;havoc main_#t~nondet109, main_#t~ret110, main_~retValue_acc~41, main_~tmp~17;main_~retValue_acc~41 := main_#t~nondet109;havoc main_#t~nondet109;havoc main_~tmp~17; 3319#L77 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 3372#L85 main_#t~ret110 := valid_product_#res;main_~tmp~17 := main_#t~ret110;havoc main_#t~ret110; 3387#L2608 assume 0 != main_~tmp~17;havoc setup_#t~nondet104, setup_#t~nondet106, setup_#t~nondet108, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3315#L1546 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3316#L1552-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string103.base, #t~string103.offset;havoc setup_#t~nondet104;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3400#L1546-2 assume !(1 == setClientId_~handle); 3437#L1549-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 3409#L1552-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string105.base, #t~string105.offset;havoc setup_#t~nondet106;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3410#L1546-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3366#L1552-8 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string107.base, #t~string107.offset;havoc setup_#t~nondet108; 3367#L2595 havoc test_#t~nondet85, test_#t~nondet86, test_#t~nondet87, test_#t~nondet88, test_#t~nondet89, test_#t~nondet90, test_#t~nondet91, test_#t~nondet92, test_#t~nondet93, test_#t~nondet94, test_#t~nondet95, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~15, test_~tmp___0~2, test_~tmp___1~2, test_~tmp___2~2, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~15;havoc test_~tmp___0~2;havoc test_~tmp___1~2;havoc test_~tmp___2~2;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 3430#L2474-1 assume !false; 3333#L2344 [2020-10-26 04:57:34,641 INFO L796 eck$LassoCheckResult]: Loop: 3333#L2344 assume test_~splverifierCounter~0 < 4; 3334#L2345 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 3349#L2351 assume !(0 == test_~op1~0); 3327#L2361 assume !(0 == test_~op2~0); 3322#L2375 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet87;havoc test_#t~nondet87; 3301#L2380 assume 0 != test_~tmp___7~0;test_~op3~0 := 1; 3275#L2474-1 assume !false; 3333#L2344 [2020-10-26 04:57:34,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:57:34,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1897365039, now seen corresponding path program 1 times [2020-10-26 04:57:34,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:57:34,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972501659] [2020-10-26 04:57:34,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:57:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:57:34,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:57:34,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972501659] [2020-10-26 04:57:34,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:57:34,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 04:57:34,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264930828] [2020-10-26 04:57:34,762 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 04:57:34,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:57:34,762 INFO L82 PathProgramCache]: Analyzing trace with hash -235666265, now seen corresponding path program 1 times [2020-10-26 04:57:34,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:57:34,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268280766] [2020-10-26 04:57:34,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:57:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:57:34,788 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:57:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:57:34,793 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:57:34,803 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:57:34,839 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:57:34,840 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:57:34,840 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:57:34,840 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:57:34,840 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:57:34,840 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:34,840 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:57:34,840 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:57:34,840 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product36.cil.c_Iteration2_Loop [2020-10-26 04:57:34,840 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:57:34,841 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:57:34,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:34,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:34,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:34,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:34,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:34,971 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:57:34,972 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) [2020-10-26 04:57:34,977 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:57:34,978 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 [2020-10-26 04:57:34,985 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:57:34,986 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=-5} Honda state: {ULTIMATE.start_test_~op1~0=-5} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:57:35,027 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:57:35,027 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) [2020-10-26 04:57:35,072 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:57:35,072 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:35,115 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 04:57:35,118 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:57:35,118 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:57:35,118 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:57:35,118 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:57:35,118 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:57:35,118 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:35,118 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:57:35,118 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:57:35,118 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product36.cil.c_Iteration2_Loop [2020-10-26 04:57:35,119 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:57:35,119 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:57:35,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:35,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:35,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:35,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:35,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:57:35,249 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:57:35,250 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:57:35,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:57:35,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:57:35,257 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:57:35,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:57:35,258 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-26 04:57:35,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:57:35,259 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-26 04:57:35,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:35,262 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:35,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:57:35,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:57:35,300 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:57:35,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:57:35,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:57:35,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:57:35,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:57:35,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:57:35,310 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:57:35,316 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-26 04:57:35,317 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:57:35,323 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:57:35,324 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 04:57:35,324 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:57:35,324 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2020-10-26 04:57:35,355 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 04:57:35,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:57:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:57:35,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:57:35,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:57:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:57:35,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:57:35,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:57:35,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:57:35,697 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-10-26 04:57:35,697 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 171 states and 308 transitions. cyclomatic complexity: 139 Second operand 4 states. [2020-10-26 04:57:35,729 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 171 states and 308 transitions. cyclomatic complexity: 139. Second operand 4 states. Result 327 states and 596 transitions. Complement of second has 6 states. [2020-10-26 04:57:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-26 04:57:35,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-26 04:57:35,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 166 transitions. [2020-10-26 04:57:35,731 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 166 transitions. Stem has 14 letters. Loop has 7 letters. [2020-10-26 04:57:35,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:57:35,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 166 transitions. Stem has 21 letters. Loop has 7 letters. [2020-10-26 04:57:35,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:57:35,733 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 166 transitions. Stem has 14 letters. Loop has 14 letters. [2020-10-26 04:57:35,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:57:35,733 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 327 states and 596 transitions. [2020-10-26 04:57:35,736 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:57:35,737 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 327 states to 0 states and 0 transitions. [2020-10-26 04:57:35,737 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:57:35,737 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:57:35,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:57:35,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:57:35,737 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:57:35,737 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:57:35,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:57:35,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:57:35,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:57:35,739 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-26 04:57:35,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:57:35,739 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-26 04:57:35,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-26 04:57:35,739 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-26 04:57:35,739 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:57:35,739 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 04:57:35,740 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:57:35,740 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:57:35,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:57:35,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:57:35,740 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:57:35,740 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:57:35,740 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:57:35,740 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-26 04:57:35,740 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:57:35,740 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:57:35,741 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:57:35,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:57:35 BoogieIcfgContainer [2020-10-26 04:57:35,747 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:57:35,748 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:57:35,748 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:57:35,749 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:57:35,750 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:57:32" (3/4) ... [2020-10-26 04:57:35,753 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:57:35,753 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:57:35,756 INFO L168 Benchmark]: Toolchain (without parser) took 7444.36 ms. Allocated memory was 46.1 MB in the beginning and 155.2 MB in the end (delta: 109.1 MB). Free memory was 20.5 MB in the beginning and 98.3 MB in the end (delta: -77.8 MB). Peak memory consumption was 34.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:57:35,758 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 46.1 MB. Free memory was 27.6 MB in the beginning and 27.5 MB in the end (delta: 34.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:57:35,760 INFO L168 Benchmark]: CACSL2BoogieTranslator took 937.30 ms. Allocated memory was 46.1 MB in the beginning and 60.8 MB in the end (delta: 14.7 MB). Free memory was 29.9 MB in the beginning and 38.9 MB in the end (delta: -9.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. [2020-10-26 04:57:35,762 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.73 ms. Allocated memory is still 60.8 MB. Free memory was 38.9 MB in the beginning and 28.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-26 04:57:35,767 INFO L168 Benchmark]: Boogie Preprocessor took 172.56 ms. Allocated memory is still 60.8 MB. Free memory was 28.4 MB in the beginning and 32.5 MB in the end (delta: -4.1 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2020-10-26 04:57:35,768 INFO L168 Benchmark]: RCFGBuilder took 2754.46 ms. Allocated memory was 60.8 MB in the beginning and 123.7 MB in the end (delta: 62.9 MB). Free memory was 32.2 MB in the beginning and 78.1 MB in the end (delta: -45.9 MB). Peak memory consumption was 65.0 MB. Max. memory is 16.1 GB. [2020-10-26 04:57:35,769 INFO L168 Benchmark]: BuchiAutomizer took 3387.41 ms. Allocated memory was 123.7 MB in the beginning and 155.2 MB in the end (delta: 31.5 MB). Free memory was 78.1 MB in the beginning and 98.3 MB in the end (delta: -20.1 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. [2020-10-26 04:57:35,769 INFO L168 Benchmark]: Witness Printer took 5.47 ms. Allocated memory is still 155.2 MB. Free memory is still 98.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:57:35,783 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 46.1 MB. Free memory was 27.6 MB in the beginning and 27.5 MB in the end (delta: 34.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 937.30 ms. Allocated memory was 46.1 MB in the beginning and 60.8 MB in the end (delta: 14.7 MB). Free memory was 29.9 MB in the beginning and 38.9 MB in the end (delta: -9.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 155.73 ms. Allocated memory is still 60.8 MB. Free memory was 38.9 MB in the beginning and 28.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 172.56 ms. Allocated memory is still 60.8 MB. Free memory was 28.4 MB in the beginning and 32.5 MB in the end (delta: -4.1 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2754.46 ms. Allocated memory was 60.8 MB in the beginning and 123.7 MB in the end (delta: 62.9 MB). Free memory was 32.2 MB in the beginning and 78.1 MB in the end (delta: -45.9 MB). Peak memory consumption was 65.0 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3387.41 ms. Allocated memory was 123.7 MB in the beginning and 155.2 MB in the end (delta: 31.5 MB). Free memory was 78.1 MB in the beginning and 98.3 MB in the end (delta: -20.1 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. * Witness Printer took 5.47 ms. Allocated memory is still 155.2 MB. Free memory is still 98.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op1 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. 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, 308 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 171 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2004 SDtfs, 1844 SDslu, 2679 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax100 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 12ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...