./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_13cec290-b252-4aa5-ac6d-eba1a1983824/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_13cec290-b252-4aa5-ac6d-eba1a1983824/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_13cec290-b252-4aa5-ac6d-eba1a1983824/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_13cec290-b252-4aa5-ac6d-eba1a1983824/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_13cec290-b252-4aa5-ac6d-eba1a1983824/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_13cec290-b252-4aa5-ac6d-eba1a1983824/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 77e92a11a4549a6f714898b45c2d349723607a29 ................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 18:41:07,425 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 18:41:07,426 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 18:41:07,432 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 18:41:07,433 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 18:41:07,433 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 18:41:07,434 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 18:41:07,434 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 18:41:07,435 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 18:41:07,436 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 18:41:07,436 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 18:41:07,436 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 18:41:07,437 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 18:41:07,437 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 18:41:07,438 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 18:41:07,438 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 18:41:07,438 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 18:41:07,439 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 18:41:07,440 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 18:41:07,441 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 18:41:07,441 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 18:41:07,442 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 18:41:07,443 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 18:41:07,443 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 18:41:07,443 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 18:41:07,444 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 18:41:07,444 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 18:41:07,444 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 18:41:07,445 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 18:41:07,445 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 18:41:07,445 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 18:41:07,446 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 18:41:07,446 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 18:41:07,446 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 18:41:07,446 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 18:41:07,447 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 18:41:07,447 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_13cec290-b252-4aa5-ac6d-eba1a1983824/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-02 18:41:07,455 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 18:41:07,455 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 18:41:07,455 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 18:41:07,456 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 18:41:07,456 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 18:41:07,456 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-02 18:41:07,456 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-02 18:41:07,456 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-02 18:41:07,456 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-02 18:41:07,456 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-02 18:41:07,456 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-02 18:41:07,456 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 18:41:07,456 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 18:41:07,456 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 18:41:07,457 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 18:41:07,457 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 18:41:07,457 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 18:41:07,457 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-02 18:41:07,457 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-02 18:41:07,457 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-02 18:41:07,457 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 18:41:07,457 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 18:41:07,457 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-02 18:41:07,457 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 18:41:07,457 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-02 18:41:07,458 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 18:41:07,458 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 18:41:07,458 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-02 18:41:07,458 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 18:41:07,458 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 18:41:07,458 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-02 18:41:07,458 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-02 18:41:07,459 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_13cec290-b252-4aa5-ac6d-eba1a1983824/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 -> 77e92a11a4549a6f714898b45c2d349723607a29 [2018-12-02 18:41:07,476 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 18:41:07,483 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 18:41:07,485 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 18:41:07,486 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 18:41:07,486 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 18:41:07,487 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_13cec290-b252-4aa5-ac6d-eba1a1983824/bin-2019/uautomizer/../../sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i [2018-12-02 18:41:07,523 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_13cec290-b252-4aa5-ac6d-eba1a1983824/bin-2019/uautomizer/data/04f6b0a11/a27c78ab1efd459a905b65599065a1e8/FLAG8f701a375 [2018-12-02 18:41:07,870 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 18:41:07,870 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_13cec290-b252-4aa5-ac6d-eba1a1983824/sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i [2018-12-02 18:41:07,875 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_13cec290-b252-4aa5-ac6d-eba1a1983824/bin-2019/uautomizer/data/04f6b0a11/a27c78ab1efd459a905b65599065a1e8/FLAG8f701a375 [2018-12-02 18:41:07,884 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_13cec290-b252-4aa5-ac6d-eba1a1983824/bin-2019/uautomizer/data/04f6b0a11/a27c78ab1efd459a905b65599065a1e8 [2018-12-02 18:41:07,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 18:41:07,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 18:41:07,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 18:41:07,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 18:41:07,890 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 18:41:07,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:41:07" (1/1) ... [2018-12-02 18:41:07,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@531953ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:07, skipping insertion in model container [2018-12-02 18:41:07,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:41:07" (1/1) ... [2018-12-02 18:41:07,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 18:41:07,907 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 18:41:07,998 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:41:08,000 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 18:41:08,010 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:41:08,018 INFO L195 MainTranslator]: Completed translation [2018-12-02 18:41:08,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:08 WrapperNode [2018-12-02 18:41:08,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 18:41:08,019 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 18:41:08,019 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 18:41:08,019 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 18:41:08,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:08" (1/1) ... [2018-12-02 18:41:08,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:08" (1/1) ... [2018-12-02 18:41:08,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 18:41:08,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 18:41:08,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 18:41:08,037 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 18:41:08,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:08" (1/1) ... [2018-12-02 18:41:08,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:08" (1/1) ... [2018-12-02 18:41:08,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:08" (1/1) ... [2018-12-02 18:41:08,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:08" (1/1) ... [2018-12-02 18:41:08,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:08" (1/1) ... [2018-12-02 18:41:08,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:08" (1/1) ... [2018-12-02 18:41:08,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:08" (1/1) ... [2018-12-02 18:41:08,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 18:41:08,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 18:41:08,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 18:41:08,076 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 18:41:08,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_13cec290-b252-4aa5-ac6d-eba1a1983824/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 [2018-12-02 18:41:08,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 18:41:08,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 18:41:08,199 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 18:41:08,199 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-12-02 18:41:08,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:41:08 BoogieIcfgContainer [2018-12-02 18:41:08,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 18:41:08,200 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-02 18:41:08,200 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-02 18:41:08,202 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-02 18:41:08,202 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 18:41:08,202 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 06:41:07" (1/3) ... [2018-12-02 18:41:08,203 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e56ec86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 06:41:08, skipping insertion in model container [2018-12-02 18:41:08,203 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 18:41:08,203 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:41:08" (2/3) ... [2018-12-02 18:41:08,203 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e56ec86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 06:41:08, skipping insertion in model container [2018-12-02 18:41:08,204 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 18:41:08,204 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:41:08" (3/3) ... [2018-12-02 18:41:08,205 INFO L375 chiAutomizerObserver]: Analyzing ICFG MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i [2018-12-02 18:41:08,237 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 18:41:08,237 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-02 18:41:08,237 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-02 18:41:08,237 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-02 18:41:08,237 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 18:41:08,237 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 18:41:08,237 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-02 18:41:08,237 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 18:41:08,237 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-02 18:41:08,246 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2018-12-02 18:41:08,258 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2018-12-02 18:41:08,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 18:41:08,258 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 18:41:08,262 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:41:08,262 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-12-02 18:41:08,262 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-02 18:41:08,262 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2018-12-02 18:41:08,263 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2018-12-02 18:41:08,263 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 18:41:08,263 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 18:41:08,264 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:41:08,264 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-12-02 18:41:08,268 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~post4, main_~p~0, main_~i~0, main_~leader_len~0, main_~bufsize~0, main_~bufsize_0~0, main_~ielen~0;havoc main_~p~0;havoc main_~i~0;havoc main_~leader_len~0;havoc main_~bufsize~0;havoc main_~bufsize_0~0;havoc main_~ielen~0;main_~leader_len~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~bufsize~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~ielen~0 := main_#t~nondet3;havoc main_#t~nondet3; 7#L21true assume !!(main_~leader_len~0 < 1000000); 10#L22true assume !!(main_~bufsize~0 < 1000000); 14#L23true assume !!(main_~ielen~0 < 1000000); 18#L24true assume main_~leader_len~0 > 0; 16#L24-1true assume main_~bufsize~0 > 0; 20#L25true assume main_~ielen~0 > 0; 3#L26true assume !(main_~bufsize~0 < main_~leader_len~0);main_~p~0 := 0;main_~bufsize_0~0 := main_~bufsize~0;main_~bufsize~0 := main_~bufsize~0 - main_~leader_len~0;main_~p~0 := main_~p~0 + main_~leader_len~0; 11#L33true assume !(main_~bufsize~0 < 2 * main_~ielen~0);main_~i~0 := 0; 9#L35-3true [2018-12-02 18:41:08,269 INFO L796 eck$LassoCheckResult]: Loop: 9#L35-3true assume !!(main_~i~0 < main_~ielen~0 && main_~bufsize~0 > 2);__VERIFIER_assert_#in~cond := (if 0 <= main_~p~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 21#L4true assume !(0 == __VERIFIER_assert_~cond); 17#L4-2true __VERIFIER_assert_#in~cond := (if 1 + main_~p~0 < main_~bufsize_0~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 12#L4-3true assume !(0 == __VERIFIER_assert_~cond); 6#L4-5true main_~p~0 := 2 + main_~p~0; 13#L35-2true main_#t~post4 := main_~i~0;main_~i~0 := 1 + main_#t~post4;havoc main_#t~post4; 9#L35-3true [2018-12-02 18:41:08,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:41:08,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1511954483, now seen corresponding path program 1 times [2018-12-02 18:41:08,273 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:41:08,273 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:41:08,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:41:08,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:41:08,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:41:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:41:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:41:08,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:41:08,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1862344367, now seen corresponding path program 1 times [2018-12-02 18:41:08,340 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:41:08,340 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:41:08,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:41:08,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:41:08,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:41:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:41:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:41:08,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:41:08,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1690504195, now seen corresponding path program 1 times [2018-12-02 18:41:08,353 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:41:08,353 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:41:08,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:41:08,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:41:08,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:41:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:41:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:41:08,461 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 18:41:08,462 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 18:41:08,462 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 18:41:08,462 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 18:41:08,462 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-02 18:41:08,462 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 18:41:08,462 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 18:41:08,463 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 18:41:08,463 INFO L131 ssoRankerPreferences]: Filename of dumped script: MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i_Iteration1_Loop [2018-12-02 18:41:08,463 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 18:41:08,463 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 18:41:08,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 18:41:08,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 18:41:08,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 18:41:08,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 18:41:08,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 18:41:08,560 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 18:41:08,561 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_13cec290-b252-4aa5-ac6d-eba1a1983824/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 [2018-12-02 18:41:08,563 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 18:41:08,564 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_13cec290-b252-4aa5-ac6d-eba1a1983824/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 [2018-12-02 18:41:08,581 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-02 18:41:08,581 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 18:41:08,682 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-02 18:41:08,684 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 18:41:08,684 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 18:41:08,684 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 18:41:08,684 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 18:41:08,684 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-02 18:41:08,684 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 18:41:08,684 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 18:41:08,684 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 18:41:08,684 INFO L131 ssoRankerPreferences]: Filename of dumped script: MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i_Iteration1_Loop [2018-12-02 18:41:08,684 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 18:41:08,684 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 18:41:08,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 18:41:08,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 18:41:08,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 18:41:08,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 18:41:08,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 18:41:08,741 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 18:41:08,744 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-02 18:41:08,745 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 [2018-12-02 18:41:08,746 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 18:41:08,746 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 18:41:08,746 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 18:41:08,746 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 18:41:08,746 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 18:41:08,748 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 18:41:08,748 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 18:41:08,753 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 18:41:08,753 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 [2018-12-02 18:41:08,754 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 18:41:08,754 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 18:41:08,754 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 18:41:08,754 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 18:41:08,754 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 18:41:08,754 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 18:41:08,754 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 18:41:08,757 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-02 18:41:08,761 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-12-02 18:41:08,761 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-12-02 18:41:08,762 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-02 18:41:08,762 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-02 18:41:08,763 INFO L518 LassoAnalysis]: Proved termination. [2018-12-02 18:41:08,763 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~ielen~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~ielen~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2018-12-02 18:41:08,763 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-02 18:41:08,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:41:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:41:08,794 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 18:41:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:41:08,804 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 18:41:08,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:41:08,820 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 [2018-12-02 18:41:08,821 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states. Second operand 3 states. [2018-12-02 18:41:08,848 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states.. Second operand 3 states. Result 45 states and 62 transitions. Complement of second has 7 states. [2018-12-02 18:41:08,848 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 [2018-12-02 18:41:08,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-12-02 18:41:08,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 47 transitions. [2018-12-02 18:41:08,851 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 9 letters. Loop has 6 letters. [2018-12-02 18:41:08,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 18:41:08,851 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 15 letters. Loop has 6 letters. [2018-12-02 18:41:08,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 18:41:08,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 9 letters. Loop has 12 letters. [2018-12-02 18:41:08,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 18:41:08,853 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 62 transitions. [2018-12-02 18:41:08,854 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-02 18:41:08,856 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 0 states and 0 transitions. [2018-12-02 18:41:08,857 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-02 18:41:08,857 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-02 18:41:08,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-02 18:41:08,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 18:41:08,857 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 18:41:08,857 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 18:41:08,857 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 18:41:08,858 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-02 18:41:08,858 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-02 18:41:08,858 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-02 18:41:08,858 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-02 18:41:08,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 06:41:08 BoogieIcfgContainer [2018-12-02 18:41:08,861 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-02 18:41:08,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 18:41:08,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 18:41:08,862 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 18:41:08,862 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:41:08" (3/4) ... [2018-12-02 18:41:08,864 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 18:41:08,864 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 18:41:08,865 INFO L168 Benchmark]: Toolchain (without parser) took 978.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 953.3 MB in the beginning and 1.0 GB in the end (delta: -50.7 MB). Peak memory consumption was 56.8 MB. Max. memory is 11.5 GB. [2018-12-02 18:41:08,866 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:41:08,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 131.21 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 18:41:08,866 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.82 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:41:08,867 INFO L168 Benchmark]: Boogie Preprocessor took 39.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -162.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-12-02 18:41:08,867 INFO L168 Benchmark]: RCFGBuilder took 123.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-02 18:41:08,867 INFO L168 Benchmark]: BuchiAutomizer took 661.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 87.1 MB). Peak memory consumption was 87.1 MB. Max. memory is 11.5 GB. [2018-12-02 18:41:08,868 INFO L168 Benchmark]: Witness Printer took 2.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:41:08,869 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 131.21 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.82 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -162.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 123.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 661.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 87.1 MB). Peak memory consumption was 87.1 MB. Max. memory is 11.5 GB. * Witness Printer took 2.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function ielen + -1 * i and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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: 27 SDtfs, 34 SDslu, 10 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital32 mio100 ax100 hnf100 lsp46 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq139 hnf95 smp100 dnf100 smp100 tf110 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 8ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 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...