./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product28.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_6583130b-4d93-4d6e-b7be-8bfbc51a9a45/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6583130b-4d93-4d6e-b7be-8bfbc51a9a45/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6583130b-4d93-4d6e-b7be-8bfbc51a9a45/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6583130b-4d93-4d6e-b7be-8bfbc51a9a45/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6583130b-4d93-4d6e-b7be-8bfbc51a9a45/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6583130b-4d93-4d6e-b7be-8bfbc51a9a45/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 f78ec65d22334cd758778dafee92e90b1c273aa8 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 01:55:03,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:55:03,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:55:03,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:55:03,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:55:03,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:55:03,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:55:03,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:55:03,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:55:03,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:55:03,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:55:03,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:55:03,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:55:03,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:55:03,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:55:03,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:55:03,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:55:03,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:55:03,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:55:03,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:55:03,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:55:03,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:55:03,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:55:03,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:55:03,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:55:03,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:55:03,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:55:03,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:55:03,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:55:03,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:55:03,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:55:03,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:55:03,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:55:03,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:55:03,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:55:03,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:55:03,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:55:03,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:55:03,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:55:03,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:55:03,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:55:03,498 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6583130b-4d93-4d6e-b7be-8bfbc51a9a45/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 01:55:03,525 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:55:03,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:55:03,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:55:03,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:55:03,534 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 01:55:03,534 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 01:55:03,535 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 01:55:03,535 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 01:55:03,535 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 01:55:03,535 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 01:55:03,535 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 01:55:03,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:55:03,536 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:55:03,536 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 01:55:03,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:55:03,537 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:55:03,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:55:03,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 01:55:03,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 01:55:03,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 01:55:03,538 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:55:03,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:55:03,538 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 01:55:03,539 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:55:03,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 01:55:03,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:55:03,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 01:55:03,540 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 01:55:03,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:55:03,540 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 01:55:03,541 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 01:55:03,541 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 01:55:03,542 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_6583130b-4d93-4d6e-b7be-8bfbc51a9a45/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 -> f78ec65d22334cd758778dafee92e90b1c273aa8 [2019-11-20 01:55:03,704 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:55:03,716 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:55:03,719 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:55:03,721 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:55:03,721 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:55:03,722 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6583130b-4d93-4d6e-b7be-8bfbc51a9a45/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec9_product28.cil.c [2019-11-20 01:55:03,798 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6583130b-4d93-4d6e-b7be-8bfbc51a9a45/bin/uautomizer/data/e4421740d/2a609917e4fc46dd91f8c4f1990d86d7/FLAG910eabb4a [2019-11-20 01:55:04,416 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:55:04,417 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6583130b-4d93-4d6e-b7be-8bfbc51a9a45/sv-benchmarks/c/product-lines/email_spec9_product28.cil.c [2019-11-20 01:55:04,440 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6583130b-4d93-4d6e-b7be-8bfbc51a9a45/bin/uautomizer/data/e4421740d/2a609917e4fc46dd91f8c4f1990d86d7/FLAG910eabb4a [2019-11-20 01:55:04,614 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6583130b-4d93-4d6e-b7be-8bfbc51a9a45/bin/uautomizer/data/e4421740d/2a609917e4fc46dd91f8c4f1990d86d7 [2019-11-20 01:55:04,617 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:55:04,619 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:55:04,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:55:04,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:55:04,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:55:04,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:55:04" (1/1) ... [2019-11-20 01:55:04,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f20ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:55:04, skipping insertion in model container [2019-11-20 01:55:04,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:55:04" (1/1) ... [2019-11-20 01:55:04,635 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:55:04,715 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:55:05,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:55:05,515 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:55:05,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:55:05,797 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:55:05,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:55:05 WrapperNode [2019-11-20 01:55:05,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:55:05,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:55:05,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:55:05,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:55:05,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:55:05" (1/1) ... [2019-11-20 01:55:05,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:55:05" (1/1) ... [2019-11-20 01:55:05,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:55:05,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:55:05,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:55:05,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:55:05,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:55:05" (1/1) ... [2019-11-20 01:55:05,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:55:05" (1/1) ... [2019-11-20 01:55:05,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:55:05" (1/1) ... [2019-11-20 01:55:05,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:55:05" (1/1) ... [2019-11-20 01:55:06,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:55:05" (1/1) ... [2019-11-20 01:55:06,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:55:05" (1/1) ... [2019-11-20 01:55:06,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:55:05" (1/1) ... [2019-11-20 01:55:06,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:55:06,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:55:06,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:55:06,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:55:06,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:55:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6583130b-4d93-4d6e-b7be-8bfbc51a9a45/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 01:55:06,200 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-20 01:55:06,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 01:55:06,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 01:55:06,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:55:06,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:55:08,489 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:55:08,490 INFO L285 CfgBuilder]: Removed 295 assume(true) statements. [2019-11-20 01:55:08,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:55:08 BoogieIcfgContainer [2019-11-20 01:55:08,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:55:08,493 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 01:55:08,493 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 01:55:08,499 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 01:55:08,500 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:55:08,501 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 01:55:04" (1/3) ... [2019-11-20 01:55:08,502 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f3920cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 01:55:08, skipping insertion in model container [2019-11-20 01:55:08,502 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:55:08,503 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:55:05" (2/3) ... [2019-11-20 01:55:08,503 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f3920cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 01:55:08, skipping insertion in model container [2019-11-20 01:55:08,503 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:55:08,504 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:55:08" (3/3) ... [2019-11-20 01:55:08,506 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec9_product28.cil.c [2019-11-20 01:55:08,564 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 01:55:08,564 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 01:55:08,564 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 01:55:08,565 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 01:55:08,565 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 01:55:08,565 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 01:55:08,565 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 01:55:08,565 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 01:55:08,606 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 475 states. [2019-11-20 01:55:08,685 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2019-11-20 01:55:08,686 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:55:08,686 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:55:08,697 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 01:55:08,697 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 01:55:08,697 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 01:55:08,698 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 475 states. [2019-11-20 01:55:08,705 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2019-11-20 01:55:08,705 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:55:08,706 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:55:08,712 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 01:55:08,712 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 01:55:08,728 INFO L794 eck$LassoCheckResult]: Stem: 340#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~__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;~in_encrypted~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(17);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(17);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(17);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string10.base, #t~string10.offset, 1);call write~init~int(115, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(10, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 3 + #t~string10.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(10);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(16);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(20);~__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;~head~0.base, ~head~0.offset := 0, 0;call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(21);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(30);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(30);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(9);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(25);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(44);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(44);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(9);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(9);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(11);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(19);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string103.base, #t~string103.offset, 1);call write~init~int(100, #t~string103.base, 1 + #t~string103.offset, 1);call write~init~int(10, #t~string103.base, 2 + #t~string103.offset, 1);call write~init~int(0, #t~string103.base, 3 + #t~string103.offset, 1);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string106.base, #t~string106.offset, 1);call write~init~int(100, #t~string106.base, 1 + #t~string106.offset, 1);call write~init~int(10, #t~string106.base, 2 + #t~string106.offset, 1);call write~init~int(0, #t~string106.base, 3 + #t~string106.offset, 1);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(10);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(12);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(10);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(18);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(16);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(21);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(13);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(16);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(25);~__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; 268#L-1true havoc main_#res;havoc main_#t~nondet97, main_#t~ret98, main_~retValue_acc~28, main_~tmp~16;main_~retValue_acc~28 := main_#t~nondet97;havoc main_#t~nondet97;havoc main_~tmp~16; 84#L138true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 211#L146true main_#t~ret98 := valid_product_#res;main_~tmp~16 := main_#t~ret98;havoc main_#t~ret98; 318#L2299true assume 0 != main_~tmp~16;havoc setup_#t~nondet92, setup_#t~nondet94, setup_#t~nondet96, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.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; 259#L1775true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 428#L1781-2true 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; 469#L1340true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 228#L1346-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string91.base, #t~string91.offset;havoc setup_#t~nondet92;~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; 249#L1775-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 448#L1781-5true 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; 473#L1340-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 214#L1346-5true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string93.base, #t~string93.offset;havoc setup_#t~nondet94;~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; 250#L1775-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 408#L1781-8true 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; 463#L1340-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 218#L1346-8true setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string95.base, #t~string95.offset;havoc setup_#t~nondet96; 371#L2286true havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_#t~nondet46, 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~9, test_~tmp___0~3, test_~tmp___1~2, test_~tmp___2~2, 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~9;havoc test_~tmp___0~3;havoc test_~tmp___1~2;havoc test_~tmp___2~2;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; 57#L686-1true [2019-11-20 01:55:08,729 INFO L796 eck$LassoCheckResult]: Loop: 57#L686-1true assume !false; 26#L544true assume test_~splverifierCounter~0 < 4; 117#L545true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 205#L551true assume !(0 == test_~op1~0); 232#L564true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet37;havoc test_#t~nondet37; 475#L569true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 57#L686-1true [2019-11-20 01:55:08,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:55:08,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-20 01:55:08,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:55:08,746 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887767916] [2019-11-20 01:55:08,746 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:55:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:09,208 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 01:55:09,209 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887767916] [2019-11-20 01:55:09,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:55:09,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 01:55:09,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990608242] [2019-11-20 01:55:09,217 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 01:55:09,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:55:09,217 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-11-20 01:55:09,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:55:09,218 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710244154] [2019-11-20 01:55:09,218 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:55:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:55:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:55:09,273 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:55:09,343 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 01:55:09,344 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 01:55:09,344 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 01:55:09,345 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 01:55:09,345 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 01:55:09,345 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:55:09,346 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 01:55:09,346 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 01:55:09,346 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product28.cil.c_Iteration1_Loop [2019-11-20 01:55:09,346 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 01:55:09,347 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 01:55:09,372 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 01:55:09,431 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 01:55:09,439 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 01:55:09,453 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 01:55:09,561 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 01:55:09,562 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6583130b-4d93-4d6e-b7be-8bfbc51a9a45/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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:55:09,575 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 01:55:09,575 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6583130b-4d93-4d6e-b7be-8bfbc51a9a45/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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:55:09,587 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 01:55:09,587 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 01:55:09,594 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 01:55:09,599 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 01:55:09,600 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 01:55:09,600 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 01:55:09,600 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 01:55:09,600 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 01:55:09,600 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:55:09,600 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 01:55:09,601 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 01:55:09,601 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product28.cil.c_Iteration1_Loop [2019-11-20 01:55:09,601 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 01:55:09,601 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 01:55:09,603 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 01:55:09,622 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 01:55:09,634 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 01:55:09,645 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 01:55:09,750 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 01:55:09,754 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6583130b-4d93-4d6e-b7be-8bfbc51a9a45/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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:55:09,772 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 01:55:09,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:55:09,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:55:09,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:55:09,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:55:09,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:55:09,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:55:09,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:55:09,790 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 01:55:09,812 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 01:55:09,813 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_6583130b-4d93-4d6e-b7be-8bfbc51a9a45/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) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:55:09,829 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 01:55:09,830 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 01:55:09,830 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 01:55:09,831 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-11-20 01:55:09,835 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 01:55:09,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:55:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:10,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 01:55:10,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:55:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:10,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 01:55:10,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:55:10,279 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 01:55:10,298 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 01:55:10,299 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 475 states. Second operand 4 states. [2019-11-20 01:55:10,598 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 475 states.. Second operand 4 states. Result 2052 states and 3584 transitions. Complement of second has 7 states. [2019-11-20 01:55:10,599 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 01:55:10,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 01:55:10,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2020 transitions. [2019-11-20 01:55:10,607 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2020 transitions. Stem has 18 letters. Loop has 6 letters. [2019-11-20 01:55:10,616 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:55:10,617 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2020 transitions. Stem has 24 letters. Loop has 6 letters. [2019-11-20 01:55:10,617 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:55:10,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2020 transitions. Stem has 18 letters. Loop has 12 letters. [2019-11-20 01:55:10,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:55:10,619 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2052 states and 3584 transitions. [2019-11-20 01:55:10,643 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 415 [2019-11-20 01:55:10,664 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2052 states to 863 states and 1568 transitions. [2019-11-20 01:55:10,665 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 446 [2019-11-20 01:55:10,668 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 447 [2019-11-20 01:55:10,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 863 states and 1568 transitions. [2019-11-20 01:55:10,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 01:55:10,669 INFO L688 BuchiCegarLoop]: Abstraction has 863 states and 1568 transitions. [2019-11-20 01:55:10,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states and 1568 transitions. [2019-11-20 01:55:10,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 448. [2019-11-20 01:55:10,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2019-11-20 01:55:10,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 811 transitions. [2019-11-20 01:55:10,765 INFO L711 BuchiCegarLoop]: Abstraction has 448 states and 811 transitions. [2019-11-20 01:55:10,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:55:10,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 01:55:10,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:55:10,771 INFO L87 Difference]: Start difference. First operand 448 states and 811 transitions. Second operand 3 states. [2019-11-20 01:55:10,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:55:10,829 INFO L93 Difference]: Finished difference Result 876 states and 1587 transitions. [2019-11-20 01:55:10,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 01:55:10,830 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 876 states and 1587 transitions. [2019-11-20 01:55:10,838 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 416 [2019-11-20 01:55:10,847 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 876 states to 876 states and 1587 transitions. [2019-11-20 01:55:10,847 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 458 [2019-11-20 01:55:10,848 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 458 [2019-11-20 01:55:10,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 876 states and 1587 transitions. [2019-11-20 01:55:10,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 01:55:10,849 INFO L688 BuchiCegarLoop]: Abstraction has 876 states and 1587 transitions. [2019-11-20 01:55:10,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states and 1587 transitions. [2019-11-20 01:55:10,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 447. [2019-11-20 01:55:10,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2019-11-20 01:55:10,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 807 transitions. [2019-11-20 01:55:10,864 INFO L711 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2019-11-20 01:55:10,864 INFO L591 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2019-11-20 01:55:10,865 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 01:55:10,865 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 447 states and 807 transitions. [2019-11-20 01:55:10,868 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2019-11-20 01:55:10,868 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:55:10,868 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:55:10,870 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 01:55:10,870 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:55:10,870 INFO L794 eck$LassoCheckResult]: Stem: 4294#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~__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;~in_encrypted~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(17);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(17);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(17);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string10.base, #t~string10.offset, 1);call write~init~int(115, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(10, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 3 + #t~string10.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(10);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(16);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(20);~__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;~head~0.base, ~head~0.offset := 0, 0;call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(21);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(30);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(30);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(9);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(25);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(44);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(44);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(9);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(9);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(11);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(19);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string103.base, #t~string103.offset, 1);call write~init~int(100, #t~string103.base, 1 + #t~string103.offset, 1);call write~init~int(10, #t~string103.base, 2 + #t~string103.offset, 1);call write~init~int(0, #t~string103.base, 3 + #t~string103.offset, 1);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string106.base, #t~string106.offset, 1);call write~init~int(100, #t~string106.base, 1 + #t~string106.offset, 1);call write~init~int(10, #t~string106.base, 2 + #t~string106.offset, 1);call write~init~int(0, #t~string106.base, 3 + #t~string106.offset, 1);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(10);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(12);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(10);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(18);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(16);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(21);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(13);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(16);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(25);~__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; 4022#L-1 havoc main_#res;havoc main_#t~nondet97, main_#t~ret98, main_~retValue_acc~28, main_~tmp~16;main_~retValue_acc~28 := main_#t~nondet97;havoc main_#t~nondet97;havoc main_~tmp~16; 4023#L138 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 4220#L146 main_#t~ret98 := valid_product_#res;main_~tmp~16 := main_#t~ret98;havoc main_#t~ret98; 4176#L2299 assume 0 != main_~tmp~16;havoc setup_#t~nondet92, setup_#t~nondet94, setup_#t~nondet96, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.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; 4177#L1775 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4298#L1781-2 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; 4382#L1340 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4331#L1346-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string91.base, #t~string91.offset;havoc setup_#t~nondet92;~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; 4387#L1775-2 assume !(1 == setClientId_~handle); 4320#L1778-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4321#L1781-5 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; 4386#L1340-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4301#L1346-5 setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string93.base, #t~string93.offset;havoc setup_#t~nondet94;~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; 4383#L1775-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4239#L1781-8 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; 4371#L1340-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4312#L1346-8 setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string95.base, #t~string95.offset;havoc setup_#t~nondet96; 4347#L2286 havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_#t~nondet46, 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~9, test_~tmp___0~3, test_~tmp___1~2, test_~tmp___2~2, 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~9;havoc test_~tmp___0~3;havoc test_~tmp___1~2;havoc test_~tmp___2~2;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; 4348#L686-1 assume !false; 3998#L544 [2019-11-20 01:55:10,871 INFO L796 eck$LassoCheckResult]: Loop: 3998#L544 assume test_~splverifierCounter~0 < 4; 3999#L545 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4280#L551 assume !(0 == test_~op1~0); 3990#L564 assume !(0 == test_~op2~0); 4388#L575 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet38;havoc test_#t~nondet38; 4394#L580 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; 4392#L1340-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4241#L1346-11 test_~op3~0 := 1; 3986#L686-1 assume !false; 3998#L544 [2019-11-20 01:55:10,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:55:10,871 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-11-20 01:55:10,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:55:10,872 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112633063] [2019-11-20 01:55:10,872 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:55:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:10,969 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 01:55:10,970 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112633063] [2019-11-20 01:55:10,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:55:10,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 01:55:10,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118976613] [2019-11-20 01:55:10,971 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 01:55:10,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:55:10,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-11-20 01:55:10,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:55:10,971 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142557653] [2019-11-20 01:55:10,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:55:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:55:10,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:55:11,002 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:55:11,104 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 01:55:11,105 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 01:55:11,105 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 01:55:11,105 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 01:55:11,105 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 01:55:11,105 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:55:11,105 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 01:55:11,105 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 01:55:11,105 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product28.cil.c_Iteration2_Loop [2019-11-20 01:55:11,106 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 01:55:11,106 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 01:55:11,108 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 01:55:11,116 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 01:55:11,123 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 01:55:11,127 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 01:55:11,143 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 01:55:11,146 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 01:55:11,157 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 01:55:11,359 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 01:55:11,359 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6583130b-4d93-4d6e-b7be-8bfbc51a9a45/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 01:55:11,370 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 01:55:11,371 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 01:55:11,380 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 01:55:11,380 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___7~0=-6, ULTIMATE.start_test_#t~nondet38=-6} Honda state: {ULTIMATE.start_test_~tmp___7~0=-6, ULTIMATE.start_test_#t~nondet38=-6} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6583130b-4d93-4d6e-b7be-8bfbc51a9a45/bin/uautomizer/z3 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:55:11,391 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 01:55:11,391 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6583130b-4d93-4d6e-b7be-8bfbc51a9a45/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 01:55:11,415 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 01:55:11,426 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 01:55:11,439 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 01:55:11,442 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 01:55:11,442 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 01:55:11,442 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 01:55:11,442 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 01:55:11,442 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 01:55:11,443 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:55:11,443 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 01:55:11,443 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 01:55:11,443 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product28.cil.c_Iteration2_Loop [2019-11-20 01:55:11,443 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 01:55:11,443 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 01:55:11,445 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 01:55:11,458 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 01:55:11,475 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 01:55:11,493 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 01:55:11,497 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 01:55:11,506 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 01:55:11,520 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 01:55:11,737 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 01:55:11,737 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6583130b-4d93-4d6e-b7be-8bfbc51a9a45/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 01:55:11,756 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 01:55:11,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:55:11,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:55:11,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:55:11,759 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 01:55:11,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:55:11,762 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 01:55:11,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:55:11,767 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6583130b-4d93-4d6e-b7be-8bfbc51a9a45/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:55:11,789 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 01:55:11,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:55:11,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:55:11,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:55:11,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:55:11,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:55:11,796 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:55:11,796 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:55:11,799 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 01:55:11,803 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 01:55:11,803 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_6583130b-4d93-4d6e-b7be-8bfbc51a9a45/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:55:11,822 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 01:55:11,822 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 01:55:11,822 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 01:55:11,823 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 01:55:11,826 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:55:11,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:55:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:12,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 01:55:12,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:55:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:12,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 01:55:12,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:55:12,147 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 01:55:12,147 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 01:55:12,147 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362 Second operand 4 states. [2019-11-20 01:55:12,183 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362. Second operand 4 states. Result 867 states and 1573 transitions. Complement of second has 6 states. [2019-11-20 01:55:12,184 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 01:55:12,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 01:55:12,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 426 transitions. [2019-11-20 01:55:12,185 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 9 letters. [2019-11-20 01:55:12,186 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:55:12,186 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 29 letters. Loop has 9 letters. [2019-11-20 01:55:12,187 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:55:12,187 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 18 letters. [2019-11-20 01:55:12,188 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:55:12,188 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 867 states and 1573 transitions. [2019-11-20 01:55:12,196 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 01:55:12,197 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 867 states to 0 states and 0 transitions. [2019-11-20 01:55:12,197 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 01:55:12,197 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 01:55:12,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 01:55:12,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 01:55:12,198 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 01:55:12,198 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 01:55:12,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:55:12,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 01:55:12,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 01:55:12,199 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-11-20 01:55:12,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:55:12,199 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-20 01:55:12,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 01:55:12,200 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-20 01:55:12,200 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 01:55:12,200 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 01:55:12,200 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 01:55:12,200 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 01:55:12,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 01:55:12,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 01:55:12,201 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 01:55:12,201 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 01:55:12,201 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 01:55:12,201 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 01:55:12,202 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 01:55:12,202 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 01:55:12,202 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 01:55:12,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 01:55:12 BoogieIcfgContainer [2019-11-20 01:55:12,210 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 01:55:12,210 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:55:12,210 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:55:12,211 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:55:12,214 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:55:08" (3/4) ... [2019-11-20 01:55:12,218 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 01:55:12,218 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:55:12,222 INFO L168 Benchmark]: Toolchain (without parser) took 7601.18 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 249.6 MB). Free memory was 946.1 MB in the beginning and 885.9 MB in the end (delta: 60.1 MB). Peak memory consumption was 309.7 MB. Max. memory is 11.5 GB. [2019-11-20 01:55:12,222 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:55:12,224 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1179.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2019-11-20 01:55:12,225 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.19 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2019-11-20 01:55:12,231 INFO L168 Benchmark]: Boogie Preprocessor took 156.72 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-20 01:55:12,232 INFO L168 Benchmark]: RCFGBuilder took 2376.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 863.2 MB in the end (delta: 213.4 MB). Peak memory consumption was 213.4 MB. Max. memory is 11.5 GB. [2019-11-20 01:55:12,233 INFO L168 Benchmark]: BuchiAutomizer took 3717.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 93.8 MB). Free memory was 863.2 MB in the beginning and 885.9 MB in the end (delta: -22.8 MB). Peak memory consumption was 71.1 MB. Max. memory is 11.5 GB. [2019-11-20 01:55:12,233 INFO L168 Benchmark]: Witness Printer took 8.52 ms. Allocated memory is still 1.3 GB. Free memory is still 885.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:55:12,243 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1179.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 158.19 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 156.72 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2376.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 863.2 MB in the end (delta: 213.4 MB). Peak memory consumption was 213.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3717.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 93.8 MB). Free memory was 863.2 MB in the beginning and 885.9 MB in the end (delta: -22.8 MB). Peak memory consumption was 71.1 MB. Max. memory is 11.5 GB. * Witness Printer took 8.52 ms. Allocated memory is still 1.3 GB. Free memory is still 885.9 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 3.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 844 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 447 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2848 SDtfs, 2436 SDslu, 3485 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: unsat Degree: 0 Time: 30ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...