./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec1_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f1ab4b22-3b88-4f68-be7f-7641b78f460d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f1ab4b22-3b88-4f68-be7f-7641b78f460d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f1ab4b22-3b88-4f68-be7f-7641b78f460d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f1ab4b22-3b88-4f68-be7f-7641b78f460d/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec1_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f1ab4b22-3b88-4f68-be7f-7641b78f460d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f1ab4b22-3b88-4f68-be7f-7641b78f460d/bin/uautomizer --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 83560ddd1c093423103cbdf470e10311e894be1a .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:10:23,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:10:23,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:10:23,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:10:23,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:10:23,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:10:23,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:10:23,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:10:23,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:10:23,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:10:23,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:10:23,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:10:23,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:10:23,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:10:23,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:10:23,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:10:23,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:10:23,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:10:23,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:10:23,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:10:23,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:10:23,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:10:23,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:10:23,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:10:23,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:10:23,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:10:23,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:10:23,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:10:23,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:10:23,558 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:10:23,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:10:23,559 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:10:23,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:10:23,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:10:23,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:10:23,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:10:23,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:10:23,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:10:23,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:10:23,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:10:23,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:10:23,567 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f1ab4b22-3b88-4f68-be7f-7641b78f460d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 10:10:23,586 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:10:23,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:10:23,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:10:23,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:10:23,588 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:10:23,588 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 10:10:23,588 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 10:10:23,588 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 10:10:23,589 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 10:10:23,589 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 10:10:23,589 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 10:10:23,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:10:23,590 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:10:23,590 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 10:10:23,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:10:23,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:10:23,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:10:23,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 10:10:23,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 10:10:23,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 10:10:23,591 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:10:23,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:10:23,592 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 10:10:23,592 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:10:23,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 10:10:23,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:10:23,592 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:10:23,593 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 10:10:23,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:10:23,593 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:10:23,593 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 10:10:23,594 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 10:10:23,594 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_f1ab4b22-3b88-4f68-be7f-7641b78f460d/bin/uautomizer 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 -> 83560ddd1c093423103cbdf470e10311e894be1a [2019-11-20 10:10:23,739 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:10:23,755 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:10:23,758 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:10:23,760 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:10:23,760 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:10:23,761 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f1ab4b22-3b88-4f68-be7f-7641b78f460d/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec1_product31.cil.c [2019-11-20 10:10:23,821 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1ab4b22-3b88-4f68-be7f-7641b78f460d/bin/uautomizer/data/900ec863f/0d646068828b4772acf972d2b5670a79/FLAG57d7ad19a [2019-11-20 10:10:24,354 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:10:24,354 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f1ab4b22-3b88-4f68-be7f-7641b78f460d/sv-benchmarks/c/product-lines/email_spec1_product31.cil.c [2019-11-20 10:10:24,375 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1ab4b22-3b88-4f68-be7f-7641b78f460d/bin/uautomizer/data/900ec863f/0d646068828b4772acf972d2b5670a79/FLAG57d7ad19a [2019-11-20 10:10:24,574 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f1ab4b22-3b88-4f68-be7f-7641b78f460d/bin/uautomizer/data/900ec863f/0d646068828b4772acf972d2b5670a79 [2019-11-20 10:10:24,578 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:10:24,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:10:24,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:10:24,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:10:24,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:10:24,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:10:24" (1/1) ... [2019-11-20 10:10:24,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@605aecf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:10:24, skipping insertion in model container [2019-11-20 10:10:24,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:10:24" (1/1) ... [2019-11-20 10:10:24,595 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:10:24,690 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:10:25,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:10:25,387 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:10:25,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:10:25,575 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:10:25,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:10:25 WrapperNode [2019-11-20 10:10:25,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:10:25,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:10:25,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:10:25,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:10:25,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:10:25" (1/1) ... [2019-11-20 10:10:25,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:10:25" (1/1) ... [2019-11-20 10:10:25,717 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:10:25,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:10:25,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:10:25,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:10:25,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:10:25" (1/1) ... [2019-11-20 10:10:25,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:10:25" (1/1) ... [2019-11-20 10:10:25,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:10:25" (1/1) ... [2019-11-20 10:10:25,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:10:25" (1/1) ... [2019-11-20 10:10:25,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:10:25" (1/1) ... [2019-11-20 10:10:25,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:10:25" (1/1) ... [2019-11-20 10:10:25,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:10:25" (1/1) ... [2019-11-20 10:10:25,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:10:25,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:10:25,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:10:25,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:10:25,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:10:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1ab4b22-3b88-4f68-be7f-7641b78f460d/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:10:25,943 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-20 10:10:25,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:10:25,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 10:10:25,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:10:25,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:10:28,267 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:10:28,267 INFO L285 CfgBuilder]: Removed 375 assume(true) statements. [2019-11-20 10:10:28,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:10:28 BoogieIcfgContainer [2019-11-20 10:10:28,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:10:28,269 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 10:10:28,269 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 10:10:28,273 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 10:10:28,273 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:10:28,274 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:10:24" (1/3) ... [2019-11-20 10:10:28,275 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cff0498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:10:28, skipping insertion in model container [2019-11-20 10:10:28,275 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:10:28,275 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:10:25" (2/3) ... [2019-11-20 10:10:28,276 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cff0498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:10:28, skipping insertion in model container [2019-11-20 10:10:28,276 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:10:28,276 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:10:28" (3/3) ... [2019-11-20 10:10:28,278 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec1_product31.cil.c [2019-11-20 10:10:28,323 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 10:10:28,323 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 10:10:28,324 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 10:10:28,324 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:10:28,324 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:10:28,324 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 10:10:28,324 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:10:28,325 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 10:10:28,352 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 563 states. [2019-11-20 10:10:28,402 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2019-11-20 10:10:28,402 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:10:28,402 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:10:28,412 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:10:28,412 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 10:10:28,412 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 10:10:28,413 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 563 states. [2019-11-20 10:10:28,423 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2019-11-20 10:10:28,423 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:10:28,423 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:10:28,425 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:10:28,425 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 10:10:28,432 INFO L794 eck$LassoCheckResult]: Stem: 390#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string0.base, #t~string0.offset, 1);call write~init~int(115, #t~string0.base, 1 + #t~string0.offset, 1);call write~init~int(10, #t~string0.base, 2 + #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 3 + #t~string0.offset, 1);~__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;~mail_is_sensitive~0 := -1;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(10);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(16);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(20);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);~head~0.base, ~head~0.offset := 0, 0;call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(10);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(12);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(10);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(18);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(16);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(21);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(13);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(16);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(25);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(44);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(44);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(9);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(9);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(11);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(19);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string126.base, #t~string126.offset, 1);call write~init~int(100, #t~string126.base, 1 + #t~string126.offset, 1);call write~init~int(10, #t~string126.base, 2 + #t~string126.offset, 1);call write~init~int(0, #t~string126.base, 3 + #t~string126.offset, 1);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string129.base, #t~string129.offset, 1);call write~init~int(100, #t~string129.base, 1 + #t~string129.offset, 1);call write~init~int(10, #t~string129.base, 2 + #t~string129.offset, 1);call write~init~int(0, #t~string129.base, 3 + #t~string129.offset, 1);~__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;~__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; 290#L-1true havoc main_#res;havoc main_#t~ret121, main_~retValue_acc~15, main_~tmp~20;havoc main_~retValue_acc~15;havoc main_~tmp~20; 392#L1233true havoc valid_product_#res;havoc valid_product_~retValue_acc~14;havoc valid_product_~retValue_acc~14;valid_product_~retValue_acc~14 := 1;valid_product_#res := valid_product_~retValue_acc~14; 535#L1241true main_#t~ret121 := valid_product_#res;main_~tmp~20 := main_#t~ret121;havoc main_#t~ret121; 438#L1394true assume 0 != main_~tmp~20;havoc setup_#t~nondet116, setup_#t~nondet118, setup_#t~nondet120, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 283#L2975true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 516#L2981-2true 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; 553#L2540true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 254#L2546-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string115.base, #t~string115.offset;havoc setup_#t~nondet116;~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; 274#L2975-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 529#L2981-5true 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; 557#L2540-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 235#L2546-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string117.base, #t~string117.offset;havoc setup_#t~nondet118;~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; 275#L2975-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 497#L2981-8true 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; 543#L2540-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 239#L2546-8true setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string119.base, #t~string119.offset;havoc setup_#t~nondet120; 165#L1381true havoc test_#t~nondet96, test_#t~nondet97, test_#t~nondet98, test_#t~nondet99, test_#t~nondet100, test_#t~nondet101, test_#t~nondet102, test_#t~nondet103, test_#t~nondet104, test_#t~nondet105, test_#t~nondet106, 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~18, test_~tmp___0~6, test_~tmp___1~3, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, 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~18;havoc test_~tmp___0~6;havoc test_~tmp___1~3;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;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; 288#L1177-1true [2019-11-20 10:10:28,432 INFO L796 eck$LassoCheckResult]: Loop: 288#L1177-1true assume !false; 532#L1032true assume test_~splverifierCounter~0 < 4; 359#L1033true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 52#L1039true assume !(0 == test_~op1~0); 471#L1052true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet97;havoc test_#t~nondet97; 386#L1057true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 288#L1177-1true [2019-11-20 10:10:28,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:10:28,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-20 10:10:28,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:10:28,448 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664699601] [2019-11-20 10:10:28,449 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:10:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:28,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:10:28,836 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664699601] [2019-11-20 10:10:28,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:10:28,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:10:28,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667006090] [2019-11-20 10:10:28,843 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 10:10:28,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:10:28,844 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-11-20 10:10:28,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:10:28,845 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407634890] [2019-11-20 10:10:28,845 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:10:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:10:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:10:28,914 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:10:28,968 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:10:28,968 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:10:28,969 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:10:28,969 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:10:28,969 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 10:10:28,969 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:10:28,969 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:10:28,969 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:10:28,970 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product31.cil.c_Iteration1_Loop [2019-11-20 10:10:28,971 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:10:28,971 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:10:29,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:10:29,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:10:29,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:10:29,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:10:29,131 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:10:29,131 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1ab4b22-3b88-4f68-be7f-7641b78f460d/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:10:29,140 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:10:29,140 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 /tmp/vcloud-vcloud-master/worker/run_dir_f1ab4b22-3b88-4f68-be7f-7641b78f460d/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:10:29,159 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 10:10:29,159 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:10:29,174 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 10:10:29,177 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:10:29,177 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:10:29,177 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:10:29,177 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:10:29,177 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 10:10:29,177 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:10:29,178 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:10:29,178 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:10:29,178 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product31.cil.c_Iteration1_Loop [2019-11-20 10:10:29,178 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:10:29,178 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:10:29,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:10:29,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:10:29,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:10:29,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:10:29,290 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:10:29,295 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1ab4b22-3b88-4f68-be7f-7641b78f460d/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:10:29,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:10:29,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:10:29,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:10:29,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:10:29,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:10:29,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:10:29,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:10:29,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:10:29,312 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 10:10:29,370 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 10:10:29,370 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1ab4b22-3b88-4f68-be7f-7641b78f460d/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:10:29,462 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 10:10:29,463 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 10:10:29,463 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 10:10:29,464 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:10:29,482 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 10:10:29,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:10:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:29,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 10:10:29,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:10:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:29,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 10:10:29,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:10:29,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:10:29,734 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 10:10:29,735 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 563 states. Second operand 4 states. [2019-11-20 10:10:30,000 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 563 states.. Second operand 4 states. Result 2488 states and 4282 transitions. Complement of second has 7 states. [2019-11-20 10:10:30,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 10:10:30,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 10:10:30,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2436 transitions. [2019-11-20 10:10:30,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2436 transitions. Stem has 18 letters. Loop has 6 letters. [2019-11-20 10:10:30,019 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:10:30,019 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2436 transitions. Stem has 24 letters. Loop has 6 letters. [2019-11-20 10:10:30,020 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:10:30,020 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2436 transitions. Stem has 18 letters. Loop has 12 letters. [2019-11-20 10:10:30,020 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:10:30,021 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2488 states and 4282 transitions. [2019-11-20 10:10:30,052 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2019-11-20 10:10:30,070 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2488 states to 879 states and 1596 transitions. [2019-11-20 10:10:30,071 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 454 [2019-11-20 10:10:30,074 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 455 [2019-11-20 10:10:30,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 879 states and 1596 transitions. [2019-11-20 10:10:30,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 10:10:30,075 INFO L688 BuchiCegarLoop]: Abstraction has 879 states and 1596 transitions. [2019-11-20 10:10:30,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states and 1596 transitions. [2019-11-20 10:10:30,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 456. [2019-11-20 10:10:30,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2019-11-20 10:10:30,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 825 transitions. [2019-11-20 10:10:30,133 INFO L711 BuchiCegarLoop]: Abstraction has 456 states and 825 transitions. [2019-11-20 10:10:30,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:10:30,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:10:30,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:10:30,138 INFO L87 Difference]: Start difference. First operand 456 states and 825 transitions. Second operand 3 states. [2019-11-20 10:10:30,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:10:30,190 INFO L93 Difference]: Finished difference Result 892 states and 1615 transitions. [2019-11-20 10:10:30,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:10:30,191 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 892 states and 1615 transitions. [2019-11-20 10:10:30,198 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 424 [2019-11-20 10:10:30,207 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 892 states to 892 states and 1615 transitions. [2019-11-20 10:10:30,207 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 466 [2019-11-20 10:10:30,208 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 466 [2019-11-20 10:10:30,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 892 states and 1615 transitions. [2019-11-20 10:10:30,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 10:10:30,211 INFO L688 BuchiCegarLoop]: Abstraction has 892 states and 1615 transitions. [2019-11-20 10:10:30,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states and 1615 transitions. [2019-11-20 10:10:30,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 455. [2019-11-20 10:10:30,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2019-11-20 10:10:30,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 821 transitions. [2019-11-20 10:10:30,228 INFO L711 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2019-11-20 10:10:30,228 INFO L591 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2019-11-20 10:10:30,228 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 10:10:30,228 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 455 states and 821 transitions. [2019-11-20 10:10:30,231 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2019-11-20 10:10:30,231 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:10:30,231 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:10:30,236 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:10:30,236 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:10:30,237 INFO L794 eck$LassoCheckResult]: Stem: 4804#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string0.base, #t~string0.offset, 1);call write~init~int(115, #t~string0.base, 1 + #t~string0.offset, 1);call write~init~int(10, #t~string0.base, 2 + #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 3 + #t~string0.offset, 1);~__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;~mail_is_sensitive~0 := -1;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(10);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(16);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(20);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);~head~0.base, ~head~0.offset := 0, 0;call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(10);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(12);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(10);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(18);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(16);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(21);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(13);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(16);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(25);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(44);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(44);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(9);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(9);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(11);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(19);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string126.base, #t~string126.offset, 1);call write~init~int(100, #t~string126.base, 1 + #t~string126.offset, 1);call write~init~int(10, #t~string126.base, 2 + #t~string126.offset, 1);call write~init~int(0, #t~string126.base, 3 + #t~string126.offset, 1);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string129.base, #t~string129.offset, 1);call write~init~int(100, #t~string129.base, 1 + #t~string129.offset, 1);call write~init~int(10, #t~string129.base, 2 + #t~string129.offset, 1);call write~init~int(0, #t~string129.base, 3 + #t~string129.offset, 1);~__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;~__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; 4554#L-1 havoc main_#res;havoc main_#t~ret121, main_~retValue_acc~15, main_~tmp~20;havoc main_~retValue_acc~15;havoc main_~tmp~20; 4555#L1233 havoc valid_product_#res;havoc valid_product_~retValue_acc~14;havoc valid_product_~retValue_acc~14;valid_product_~retValue_acc~14 := 1;valid_product_#res := valid_product_~retValue_acc~14; 4823#L1241 main_#t~ret121 := valid_product_#res;main_~tmp~20 := main_#t~ret121;havoc main_#t~ret121; 4898#L1394 assume 0 != main_~tmp~20;havoc setup_#t~nondet116, setup_#t~nondet118, setup_#t~nondet120, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4899#L2975 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4843#L2981-2 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; 4949#L2540 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4870#L2546-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string115.base, #t~string115.offset;havoc setup_#t~nondet116;~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; 4952#L2975-2 assume !(1 == setClientId_~handle); 4863#L2978-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4864#L2981-5 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; 4951#L2540-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4846#L2546-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string117.base, #t~string117.offset;havoc setup_#t~nondet118;~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; 4950#L2975-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4795#L2981-8 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; 4938#L2540-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4851#L2546-8 setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string119.base, #t~string119.offset;havoc setup_#t~nondet120; 4874#L1381 havoc test_#t~nondet96, test_#t~nondet97, test_#t~nondet98, test_#t~nondet99, test_#t~nondet100, test_#t~nondet101, test_#t~nondet102, test_#t~nondet103, test_#t~nondet104, test_#t~nondet105, test_#t~nondet106, 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~18, test_~tmp___0~6, test_~tmp___1~3, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, 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~18;havoc test_~tmp___0~6;havoc test_~tmp___1~3;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;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; 4875#L1177-1 assume !false; 4520#L1032 [2019-11-20 10:10:30,237 INFO L796 eck$LassoCheckResult]: Loop: 4520#L1032 assume test_~splverifierCounter~0 < 4; 4704#L1033 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4692#L1039 assume !(0 == test_~op1~0); 4694#L1052 assume !(0 == test_~op2~0); 4765#L1063 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet98;havoc test_#t~nondet98; 4773#L1068 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; 4774#L2540-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4797#L2546-11 test_~op3~0 := 1; 4503#L1177-1 assume !false; 4520#L1032 [2019-11-20 10:10:30,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:10:30,237 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-11-20 10:10:30,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:10:30,238 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65097486] [2019-11-20 10:10:30,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:10:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:30,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:10:30,361 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65097486] [2019-11-20 10:10:30,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:10:30,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 10:10:30,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343743930] [2019-11-20 10:10:30,362 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 10:10:30,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:10:30,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-11-20 10:10:30,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:10:30,363 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614248898] [2019-11-20 10:10:30,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:10:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:10:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:10:30,380 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:10:30,456 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:10:30,457 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:10:30,457 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:10:30,457 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:10:30,457 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 10:10:30,457 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:10:30,457 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:10:30,457 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:10:30,457 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product31.cil.c_Iteration2_Loop [2019-11-20 10:10:30,457 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:10:30,458 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:10:30,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:10:30,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:10:30,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:10:30,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:10:30,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:10:30,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:10:30,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:10:30,627 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:10:30,627 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1ab4b22-3b88-4f68-be7f-7641b78f460d/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:10:30,643 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:10:30,643 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 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1ab4b22-3b88-4f68-be7f-7641b78f460d/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:10:30,662 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 10:10:30,662 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 10:10:30,673 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:10:30,676 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:10:30,676 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:10:30,676 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:10:30,676 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:10:30,676 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 10:10:30,676 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:10:30,676 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:10:30,677 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:10:30,677 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_product31.cil.c_Iteration2_Loop [2019-11-20 10:10:30,677 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:10:30,677 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:10:30,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:10:30,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:10:30,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:10:30,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:10:30,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:10:30,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:10:30,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:10:30,860 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:10:30,860 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1ab4b22-3b88-4f68-be7f-7641b78f460d/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:10:30,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:10:30,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:10:30,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:10:30,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:10:30,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:10:30,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:10:30,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:10:30,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:10:30,873 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 10:10:30,876 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 10:10:30,877 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1ab4b22-3b88-4f68-be7f-7641b78f460d/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:10:30,889 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 10:10:30,889 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 10:10:30,890 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 10:10:30,890 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-11-20 10:10:30,893 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:10:30,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:10:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:31,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 10:10:31,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:10:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:10:31,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 10:10:31,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:10:31,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:10:31,131 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-20 10:10:31,131 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368 Second operand 4 states. [2019-11-20 10:10:31,171 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368. Second operand 4 states. Result 883 states and 1601 transitions. Complement of second has 6 states. [2019-11-20 10:10:31,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 10:10:31,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 10:10:31,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2019-11-20 10:10:31,173 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 9 letters. [2019-11-20 10:10:31,174 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:10:31,174 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 29 letters. Loop has 9 letters. [2019-11-20 10:10:31,174 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:10:31,174 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 18 letters. [2019-11-20 10:10:31,177 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:10:31,178 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 883 states and 1601 transitions. [2019-11-20 10:10:31,187 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 10:10:31,187 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 883 states to 0 states and 0 transitions. [2019-11-20 10:10:31,188 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 10:10:31,188 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 10:10:31,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 10:10:31,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 10:10:31,188 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:10:31,188 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:10:31,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:10:31,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 10:10:31,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:10:31,189 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-11-20 10:10:31,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:10:31,189 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-20 10:10:31,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 10:10:31,190 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-20 10:10:31,190 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 10:10:31,190 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 10:10:31,190 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 10:10:31,190 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 10:10:31,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 10:10:31,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 10:10:31,191 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:10:31,191 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:10:31,191 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:10:31,191 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 10:10:31,191 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 10:10:31,192 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 10:10:31,192 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 10:10:31,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:10:31 BoogieIcfgContainer [2019-11-20 10:10:31,198 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 10:10:31,198 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:10:31,198 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:10:31,198 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:10:31,199 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:10:28" (3/4) ... [2019-11-20 10:10:31,202 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 10:10:31,202 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:10:31,205 INFO L168 Benchmark]: Toolchain (without parser) took 6625.00 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 227.5 MB). Free memory was 940.7 MB in the beginning and 837.4 MB in the end (delta: 103.3 MB). Peak memory consumption was 330.8 MB. Max. memory is 11.5 GB. [2019-11-20 10:10:31,206 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:10:31,207 INFO L168 Benchmark]: CACSL2BoogieTranslator took 995.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -137.8 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:10:31,208 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:10:31,209 INFO L168 Benchmark]: Boogie Preprocessor took 151.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:10:31,214 INFO L168 Benchmark]: RCFGBuilder took 2399.44 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -154.2 MB). Peak memory consumption was 263.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:10:31,214 INFO L168 Benchmark]: BuchiAutomizer took 2928.74 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 837.4 MB in the end (delta: 368.5 MB). Peak memory consumption was 368.5 MB. Max. memory is 11.5 GB. [2019-11-20 10:10:31,214 INFO L168 Benchmark]: Witness Printer took 4.49 ms. Allocated memory is still 1.3 GB. Free memory is still 837.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:10:31,217 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 995.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -137.8 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 141.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 151.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2399.44 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -154.2 MB). Peak memory consumption was 263.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2928.74 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 837.4 MB in the end (delta: 368.5 MB). Peak memory consumption was 368.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.49 ms. Allocated memory is still 1.3 GB. Free memory is still 837.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * 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 2.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 860 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 455 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 3151 SDtfs, 2732 SDslu, 3929 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: 167ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...