./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec27_product30_false-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7b4e46a9-6245-49f1-9963-ac27cb3dbc9e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7b4e46a9-6245-49f1-9963-ac27cb3dbc9e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7b4e46a9-6245-49f1-9963-ac27cb3dbc9e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7b4e46a9-6245-49f1-9963-ac27cb3dbc9e/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_product30_false-unreach-call_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7b4e46a9-6245-49f1-9963-ac27cb3dbc9e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7b4e46a9-6245-49f1-9963-ac27cb3dbc9e/bin-2019/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 16c5dc20e96164d0fef00a847c5268a2d3333796 ............................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:02:54,707 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:02:54,708 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:02:54,721 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:02:54,721 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:02:54,722 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:02:54,723 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:02:54,724 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:02:54,726 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:02:54,726 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:02:54,727 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:02:54,727 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:02:54,728 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:02:54,728 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:02:54,729 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:02:54,730 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:02:54,730 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:02:54,731 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:02:54,734 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:02:54,735 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:02:54,736 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:02:54,737 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:02:54,738 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:02:54,739 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:02:54,739 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:02:54,739 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:02:54,741 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:02:54,741 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:02:54,742 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:02:54,743 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:02:54,743 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:02:54,743 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:02:54,743 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:02:54,744 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:02:54,745 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:02:54,746 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:02:54,746 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7b4e46a9-6245-49f1-9963-ac27cb3dbc9e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 11:02:54,759 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:02:54,760 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:02:54,761 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:02:54,761 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:02:54,761 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:02:54,761 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 11:02:54,761 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 11:02:54,761 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 11:02:54,762 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 11:02:54,762 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 11:02:54,762 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 11:02:54,762 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:02:54,762 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:02:54,762 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:02:54,762 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:02:54,763 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:02:54,763 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:02:54,763 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 11:02:54,763 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 11:02:54,763 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 11:02:54,763 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:02:54,763 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:02:54,764 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 11:02:54,764 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:02:54,767 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 11:02:54,767 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:02:54,767 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:02:54,767 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 11:02:54,768 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:02:54,768 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:02:54,768 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 11:02:54,769 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 11:02:54,769 INFO L133 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/working_dir_7b4e46a9-6245-49f1-9963-ac27cb3dbc9e/bin-2019/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 -> 16c5dc20e96164d0fef00a847c5268a2d3333796 [2018-11-18 11:02:54,793 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:02:54,803 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:02:54,805 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:02:54,806 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:02:54,807 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:02:54,807 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7b4e46a9-6245-49f1-9963-ac27cb3dbc9e/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/email_spec27_product30_false-unreach-call_true-termination.cil.c [2018-11-18 11:02:54,849 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7b4e46a9-6245-49f1-9963-ac27cb3dbc9e/bin-2019/uautomizer/data/3ddc8942e/fbed73be43094ddda05228f9520d081c/FLAGf566dc27f [2018-11-18 11:02:55,321 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:02:55,324 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7b4e46a9-6245-49f1-9963-ac27cb3dbc9e/sv-benchmarks/c/product-lines/email_spec27_product30_false-unreach-call_true-termination.cil.c [2018-11-18 11:02:55,338 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7b4e46a9-6245-49f1-9963-ac27cb3dbc9e/bin-2019/uautomizer/data/3ddc8942e/fbed73be43094ddda05228f9520d081c/FLAGf566dc27f [2018-11-18 11:02:55,613 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7b4e46a9-6245-49f1-9963-ac27cb3dbc9e/bin-2019/uautomizer/data/3ddc8942e/fbed73be43094ddda05228f9520d081c [2018-11-18 11:02:55,616 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:02:55,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:02:55,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:02:55,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:02:55,620 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:02:55,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:02:55" (1/1) ... [2018-11-18 11:02:55,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25cc538d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:02:55, skipping insertion in model container [2018-11-18 11:02:55,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:02:55" (1/1) ... [2018-11-18 11:02:55,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:02:55,682 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:02:56,129 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:02:56,146 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:02:56,373 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:02:56,441 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:02:56,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:02:56 WrapperNode [2018-11-18 11:02:56,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:02:56,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:02:56,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:02:56,442 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:02:56,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:02:56" (1/1) ... [2018-11-18 11:02:56,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:02:56" (1/1) ... [2018-11-18 11:02:56,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:02:56,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:02:56,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:02:56,543 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:02:56,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:02:56" (1/1) ... [2018-11-18 11:02:56,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:02:56" (1/1) ... [2018-11-18 11:02:56,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:02:56" (1/1) ... [2018-11-18 11:02:56,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:02:56" (1/1) ... [2018-11-18 11:02:56,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:02:56" (1/1) ... [2018-11-18 11:02:56,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:02:56" (1/1) ... [2018-11-18 11:02:56,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:02:56" (1/1) ... [2018-11-18 11:02:56,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:02:56,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:02:56,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:02:56,630 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:02:56,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:02:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b4e46a9-6245-49f1-9963-ac27cb3dbc9e/bin-2019/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 [2018-11-18 11:02:56,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:02:56,685 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-18 11:02:56,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:02:56,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:02:58,815 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:02:58,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:02:58 BoogieIcfgContainer [2018-11-18 11:02:58,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:02:58,816 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 11:02:58,816 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 11:02:58,819 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 11:02:58,819 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:02:58,819 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 11:02:55" (1/3) ... [2018-11-18 11:02:58,820 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bd9f7eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:02:58, skipping insertion in model container [2018-11-18 11:02:58,820 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:02:58,821 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:02:56" (2/3) ... [2018-11-18 11:02:58,821 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bd9f7eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:02:58, skipping insertion in model container [2018-11-18 11:02:58,821 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:02:58,821 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:02:58" (3/3) ... [2018-11-18 11:02:58,822 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec27_product30_false-unreach-call_true-termination.cil.c [2018-11-18 11:02:58,870 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:02:58,871 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 11:02:58,871 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 11:02:58,871 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 11:02:58,871 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:02:58,872 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:02:58,872 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 11:02:58,872 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:02:58,872 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 11:02:58,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 571 states. [2018-11-18 11:02:58,940 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 223 [2018-11-18 11:02:58,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:02:58,941 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:02:58,950 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:02:58,950 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:02:58,951 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 11:02:58,951 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 571 states. [2018-11-18 11:02:58,965 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 223 [2018-11-18 11:02:58,965 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:02:58,965 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:02:58,967 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:02:58,967 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:02:58,975 INFO L794 eck$LassoCheckResult]: Stem: 382#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string2.base,#t~string2.offset := 37];#memory_int := #memory_int[#t~string2.base,1 + #t~string2.offset := 115];#memory_int := #memory_int[#t~string2.base,2 + #t~string2.offset := 10];#memory_int := #memory_int[#t~string2.base,3 + #t~string2.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(16);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(10);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(16);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(20);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(22);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(10);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(12);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(10);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(18);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(16);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(13);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(16);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(25);call #t~string95.base, #t~string95.offset := #Ultimate.alloc(30);call #t~string96.base, #t~string96.offset := #Ultimate.alloc(9);call #t~string97.base, #t~string97.offset := #Ultimate.alloc(21);call #t~string98.base, #t~string98.offset := #Ultimate.alloc(30);call #t~string99.base, #t~string99.offset := #Ultimate.alloc(9);call #t~string100.base, #t~string100.offset := #Ultimate.alloc(21);call #t~string104.base, #t~string104.offset := #Ultimate.alloc(30);call #t~string105.base, #t~string105.offset := #Ultimate.alloc(9);call #t~string106.base, #t~string106.offset := #Ultimate.alloc(25);call #t~string107.base, #t~string107.offset := #Ultimate.alloc(30);call #t~string108.base, #t~string108.offset := #Ultimate.alloc(9);call #t~string109.base, #t~string109.offset := #Ultimate.alloc(25);call #t~string112.base, #t~string112.offset := #Ultimate.alloc(44);call #t~string117.base, #t~string117.offset := #Ultimate.alloc(44);call #t~string119.base, #t~string119.offset := #Ultimate.alloc(9);call #t~string121.base, #t~string121.offset := #Ultimate.alloc(9);call #t~string123.base, #t~string123.offset := #Ultimate.alloc(11);call #t~string127.base, #t~string127.offset := #Ultimate.alloc(19);call #t~string130.base, #t~string130.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string130.base,#t~string130.offset := 37];#memory_int := #memory_int[#t~string130.base,1 + #t~string130.offset := 100];#memory_int := #memory_int[#t~string130.base,2 + #t~string130.offset := 10];#memory_int := #memory_int[#t~string130.base,3 + #t~string130.offset := 0];call #t~string133.base, #t~string133.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string133.base,#t~string133.offset := 37];#memory_int := #memory_int[#t~string133.base,1 + #t~string133.offset := 100];#memory_int := #memory_int[#t~string133.base,2 + #t~string133.offset := 10];#memory_int := #memory_int[#t~string133.base,3 + #t~string133.offset := 0];~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 295#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret125, main_~retValue_acc~43, main_~tmp~23;havoc main_~retValue_acc~43;havoc main_~tmp~23;assume { :begin_inline_select_helpers } true; 384#L1398true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 79#L1391true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~19;havoc valid_product_~retValue_acc~19;valid_product_~retValue_acc~19 := 1;valid_product_#res := valid_product_~retValue_acc~19; 547#L1406true main_#t~ret125 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~23 := main_#t~ret125;havoc main_#t~ret125; 484#L2869true assume 0 != main_~tmp~23;assume { :begin_inline_setup } true;havoc setup_#t~nondet120, setup_#t~nondet122, setup_#t~nondet124, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;assume { :begin_inline_setup_bob__wrappee__Base } true;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;assume { :begin_inline_setClientId } true;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; 210#L1102true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 432#L1108-2true assume { :end_inline_setClientId } true; 36#L2746true assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;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; 468#L667true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 194#L673-2true assume { :end_inline_setClientPrivateKey } true; 37#L2757true assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string119.base, #t~string119.offset;havoc setup_#t~nondet120;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;assume { :begin_inline_setup_rjh__wrappee__Base } true;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;assume { :begin_inline_setClientId } true;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; 216#L1102-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 437#L1108-5true assume { :end_inline_setClientId } true; 107#L2767true assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;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; 448#L667-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 175#L673-5true assume { :end_inline_setClientPrivateKey } true; 109#L2778true assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string121.base, #t~string121.offset;havoc setup_#t~nondet122;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;assume { :begin_inline_setup_chuck__wrappee__Base } true;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;assume { :begin_inline_setClientId } true;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; 218#L1102-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 415#L1108-8true assume { :end_inline_setClientId } true; 263#L2788true assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;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; 453#L667-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 158#L673-8true assume { :end_inline_setClientPrivateKey } true; 279#L2799true assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string123.base, #t~string123.offset;havoc setup_#t~nondet124; 30#L2856true assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 300#L1331-1true [2018-11-18 11:02:58,984 INFO L796 eck$LassoCheckResult]: Loop: 300#L1331-1true assume true; 441#L1185-1true assume !false; 542#L1186true assume test_~splverifierCounter~0 < 4; 337#L1187true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 70#L1193true assume !(0 == test_~op1~0); 113#L1206true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet5;havoc test_#t~nondet5; 383#L1211true assume 0 != test_~tmp___8~0;assume { :begin_inline_rjhSetAutoRespond } true;assume { :begin_inline_setClientAutoResponse } true;setClientAutoResponse_#in~handle, setClientAutoResponse_#in~value := ~rjh~0, 1;havoc setClientAutoResponse_~handle, setClientAutoResponse_~value;setClientAutoResponse_~handle := setClientAutoResponse_#in~handle;setClientAutoResponse_~value := setClientAutoResponse_#in~value; 87#L620true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 318#L626-2true assume { :end_inline_setClientAutoResponse } true; 46#L2999true assume { :end_inline_rjhSetAutoRespond } true;test_~op2~0 := 1; 300#L1331-1true [2018-11-18 11:02:58,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:02:58,998 INFO L82 PathProgramCache]: Analyzing trace with hash 56074497, now seen corresponding path program 1 times [2018-11-18 11:02:59,000 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:02:59,000 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:02:59,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:02:59,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:02:59,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:02:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:02:59,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:02:59,237 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:02:59,237 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:02:59,241 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-18 11:02:59,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:02:59,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1046769324, now seen corresponding path program 1 times [2018-11-18 11:02:59,241 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:02:59,241 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:02:59,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:02:59,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:02:59,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:02:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:02:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:02:59,424 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-11-18 11:02:59,465 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 11:02:59,466 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 11:02:59,466 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 11:02:59,466 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 11:02:59,466 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 11:02:59,466 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 11:02:59,466 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 11:02:59,467 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 11:02:59,467 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec27_product30_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-18 11:02:59,467 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 11:02:59,468 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 11:02:59,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:02:59,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:02:59,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:02:59,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:02:59,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:02:59,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:02:59,831 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 11:02:59,832 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b4e46a9-6245-49f1-9963-ac27cb3dbc9e/bin-2019/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 [2018-11-18 11:02:59,849 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 11:02:59,849 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 11:02:59,861 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 11:02:59,862 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_#in~value=1, ULTIMATE.start_setClientAutoResponse_~value=1} Honda state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_#in~value=1, ULTIMATE.start_setClientAutoResponse_~value=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b4e46a9-6245-49f1-9963-ac27cb3dbc9e/bin-2019/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 [2018-11-18 11:02:59,892 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 11:02:59,892 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 11:02:59,901 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 11:02:59,901 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet5=7, ULTIMATE.start_test_~tmp___8~0=7} Honda state: {ULTIMATE.start_test_#t~nondet5=7, ULTIMATE.start_test_~tmp___8~0=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b4e46a9-6245-49f1-9963-ac27cb3dbc9e/bin-2019/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 [2018-11-18 11:02:59,939 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 11:02:59,939 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b4e46a9-6245-49f1-9963-ac27cb3dbc9e/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2018-11-18 11:02:59,987 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 11:02:59,987 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 11:03:00,048 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-18 11:03:00,050 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 11:03:00,050 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 11:03:00,051 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 11:03:00,051 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 11:03:00,051 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 11:03:00,051 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 11:03:00,051 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 11:03:00,051 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 11:03:00,051 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec27_product30_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-18 11:03:00,051 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 11:03:00,051 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 11:03:00,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:03:00,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:03:00,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:03:00,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:03:00,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:03:00,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:03:00,464 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-18 11:03:00,513 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 11:03:00,516 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 11:03:00,518 INFO L122 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 [2018-11-18 11:03:00,519 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:03:00,519 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 11:03:00,519 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:03:00,519 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-18 11:03:00,519 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:03:00,522 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 11:03:00,522 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 11:03:00,528 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:03:00,529 INFO L122 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 [2018-11-18 11:03:00,529 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:03:00,529 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 11:03:00,530 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:03:00,530 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:03:00,530 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:03:00,530 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 11:03:00,531 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 11:03:00,534 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:03:00,535 INFO L122 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 [2018-11-18 11:03:00,535 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:03:00,535 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 11:03:00,536 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:03:00,536 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:03:00,536 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:03:00,536 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 11:03:00,536 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 11:03:00,539 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-18 11:03:00,542 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-18 11:03:00,543 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-18 11:03:00,544 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-18 11:03:00,544 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-18 11:03:00,545 INFO L518 LassoAnalysis]: Proved termination. [2018-11-18 11:03:00,545 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2018-11-18 11:03:00,546 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-18 11:03:00,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:03:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:03:00,757 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:03:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:03:00,793 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:03:01,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:03:01,023 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 [2018-11-18 11:03:01,025 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 571 states. Second operand 5 states. [2018-11-18 11:03:01,297 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 571 states.. Second operand 5 states. Result 1418 states and 2383 transitions. Complement of second has 7 states. [2018-11-18 11:03:01,300 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 [2018-11-18 11:03:01,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 11:03:01,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1476 transitions. [2018-11-18 11:03:01,306 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1476 transitions. Stem has 25 letters. Loop has 10 letters. [2018-11-18 11:03:01,308 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 11:03:01,310 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1476 transitions. Stem has 35 letters. Loop has 10 letters. [2018-11-18 11:03:01,311 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 11:03:01,311 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1476 transitions. Stem has 25 letters. Loop has 20 letters. [2018-11-18 11:03:01,311 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 11:03:01,312 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1418 states and 2383 transitions. [2018-11-18 11:03:01,334 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 11:03:01,337 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1418 states to 0 states and 0 transitions. [2018-11-18 11:03:01,338 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-18 11:03:01,338 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-18 11:03:01,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-18 11:03:01,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:03:01,339 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:03:01,339 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:03:01,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:03:01,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:03:01,348 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2018-11-18 11:03:01,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:03:01,350 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-18 11:03:01,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:03:01,351 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-18 11:03:01,351 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 11:03:01,351 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:03:01,351 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-18 11:03:01,351 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-18 11:03:01,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-18 11:03:01,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:03:01,352 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:03:01,354 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:03:01,354 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:03:01,354 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 11:03:01,354 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:03:01,354 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 11:03:01,354 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-18 11:03:01,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 11:03:01 BoogieIcfgContainer [2018-11-18 11:03:01,362 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 11:03:01,362 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:03:01,362 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:03:01,363 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:03:01,366 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:02:58" (3/4) ... [2018-11-18 11:03:01,369 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 11:03:01,369 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:03:01,370 INFO L168 Benchmark]: Toolchain (without parser) took 5753.64 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 235.4 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -111.6 MB). Peak memory consumption was 123.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:03:01,370 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:03:01,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 824.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -151.2 MB). Peak memory consumption was 58.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:03:01,371 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.18 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: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:03:01,374 INFO L168 Benchmark]: Boogie Preprocessor took 86.54 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. [2018-11-18 11:03:01,375 INFO L168 Benchmark]: RCFGBuilder took 2186.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 862.1 MB in the end (delta: 227.9 MB). Peak memory consumption was 227.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:03:01,376 INFO L168 Benchmark]: BuchiAutomizer took 2545.94 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 87.6 MB). Free memory was 862.1 MB in the beginning and 1.1 GB in the end (delta: -205.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:03:01,378 INFO L168 Benchmark]: Witness Printer took 6.66 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:03:01,381 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 824.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -151.2 MB). Peak memory consumption was 58.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 100.18 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: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 86.54 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 2186.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 862.1 MB in the end (delta: 227.9 MB). Peak memory consumption was 227.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2545.94 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 87.6 MB). Free memory was 862.1 MB in the beginning and 1.1 GB in the end (delta: -205.3 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 6.66 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 960 SDtfs, 961 SDslu, 1802 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax100 hnf100 lsp24 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq209 hnf86 smp100 dnf120 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 11ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 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...