./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 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_319ce543-6967-48ea-ac7b-0d1bf4ffbcb9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_319ce543-6967-48ea-ac7b-0d1bf4ffbcb9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_319ce543-6967-48ea-ac7b-0d1bf4ffbcb9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_319ce543-6967-48ea-ac7b-0d1bf4ffbcb9/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_319ce543-6967-48ea-ac7b-0d1bf4ffbcb9/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_319ce543-6967-48ea-ac7b-0d1bf4ffbcb9/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 0.1.23-0cd3be1 [2018-11-28 12:08:22,407 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:08:22,409 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:08:22,415 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:08:22,416 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:08:22,416 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:08:22,417 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:08:22,419 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:08:22,420 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:08:22,420 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:08:22,421 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:08:22,421 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:08:22,422 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:08:22,423 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:08:22,424 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:08:22,424 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:08:22,425 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:08:22,426 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:08:22,427 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:08:22,428 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:08:22,429 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:08:22,430 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:08:22,432 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:08:22,432 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:08:22,432 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:08:22,433 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:08:22,433 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:08:22,434 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:08:22,434 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:08:22,435 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:08:22,435 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:08:22,436 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:08:22,436 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:08:22,436 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:08:22,437 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:08:22,437 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:08:22,437 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_319ce543-6967-48ea-ac7b-0d1bf4ffbcb9/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 12:08:22,445 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:08:22,446 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:08:22,447 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:08:22,447 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:08:22,447 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:08:22,447 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 12:08:22,447 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 12:08:22,447 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 12:08:22,447 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 12:08:22,448 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 12:08:22,448 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 12:08:22,448 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:08:22,448 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:08:22,448 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:08:22,448 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:08:22,448 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:08:22,449 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:08:22,449 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 12:08:22,449 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 12:08:22,449 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 12:08:22,450 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:08:22,451 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:08:22,451 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 12:08:22,451 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:08:22,451 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 12:08:22,451 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:08:22,451 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:08:22,451 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 12:08:22,452 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:08:22,452 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:08:22,452 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 12:08:22,452 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 12:08:22,453 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_319ce543-6967-48ea-ac7b-0d1bf4ffbcb9/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 [2018-11-28 12:08:22,477 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:08:22,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:08:22,488 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:08:22,489 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:08:22,490 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:08:22,490 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_319ce543-6967-48ea-ac7b-0d1bf4ffbcb9/bin-2019/uautomizer/../../sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i [2018-11-28 12:08:22,533 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_319ce543-6967-48ea-ac7b-0d1bf4ffbcb9/bin-2019/uautomizer/data/d5d4366fb/73418f4244a84c7985a8a7b1f8d412a3/FLAG0208edaf4 [2018-11-28 12:08:22,928 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:08:22,929 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_319ce543-6967-48ea-ac7b-0d1bf4ffbcb9/sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i [2018-11-28 12:08:22,932 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_319ce543-6967-48ea-ac7b-0d1bf4ffbcb9/bin-2019/uautomizer/data/d5d4366fb/73418f4244a84c7985a8a7b1f8d412a3/FLAG0208edaf4 [2018-11-28 12:08:22,941 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_319ce543-6967-48ea-ac7b-0d1bf4ffbcb9/bin-2019/uautomizer/data/d5d4366fb/73418f4244a84c7985a8a7b1f8d412a3 [2018-11-28 12:08:22,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:08:22,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:08:22,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:08:22,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:08:22,947 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:08:22,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:08:22" (1/1) ... [2018-11-28 12:08:22,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4488b516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:08:22, skipping insertion in model container [2018-11-28 12:08:22,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:08:22" (1/1) ... [2018-11-28 12:08:22,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:08:22,964 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:08:23,063 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:08:23,066 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:08:23,078 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:08:23,086 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:08:23,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:08:23 WrapperNode [2018-11-28 12:08:23,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:08:23,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:08:23,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:08:23,087 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:08:23,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:08:23" (1/1) ... [2018-11-28 12:08:23,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:08:23" (1/1) ... [2018-11-28 12:08:23,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:08:23,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:08:23,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:08:23,116 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:08:23,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:08:23" (1/1) ... [2018-11-28 12:08:23,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:08:23" (1/1) ... [2018-11-28 12:08:23,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:08:23" (1/1) ... [2018-11-28 12:08:23,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:08:23" (1/1) ... [2018-11-28 12:08:23,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:08:23" (1/1) ... [2018-11-28 12:08:23,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:08:23" (1/1) ... [2018-11-28 12:08:23,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:08:23" (1/1) ... [2018-11-28 12:08:23,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:08:23,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:08:23,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:08:23,133 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:08:23,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:08:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_319ce543-6967-48ea-ac7b-0d1bf4ffbcb9/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 [2018-11-28 12:08:23,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:08:23,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:08:23,350 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:08:23,350 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-11-28 12:08:23,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:08:23 BoogieIcfgContainer [2018-11-28 12:08:23,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:08:23,351 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 12:08:23,351 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 12:08:23,355 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 12:08:23,356 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:08:23,356 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 12:08:22" (1/3) ... [2018-11-28 12:08:23,358 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7729be52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:08:23, skipping insertion in model container [2018-11-28 12:08:23,358 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:08:23,358 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:08:23" (2/3) ... [2018-11-28 12:08:23,358 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7729be52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:08:23, skipping insertion in model container [2018-11-28 12:08:23,359 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:08:23,359 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:08:23" (3/3) ... [2018-11-28 12:08:23,361 INFO L375 chiAutomizerObserver]: Analyzing ICFG MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i [2018-11-28 12:08:23,414 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:08:23,415 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 12:08:23,415 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 12:08:23,415 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 12:08:23,415 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:08:23,416 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:08:23,416 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 12:08:23,416 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:08:23,416 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 12:08:23,430 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2018-11-28 12:08:23,449 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2018-11-28 12:08:23,449 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:08:23,449 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:08:23,455 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:08:23,455 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:08:23,455 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 12:08:23,456 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2018-11-28 12:08:23,457 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2018-11-28 12:08:23,457 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:08:23,457 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:08:23,458 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:08:23,458 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:08:23,465 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~post4, main_~p~0, main_~i~0, main_~leader_len~0, main_~bufsize~0, main_~bufsize_0~0, main_~ielen~0;havoc main_~p~0;havoc main_~i~0;havoc main_~leader_len~0;havoc main_~bufsize~0;havoc main_~bufsize_0~0;havoc main_~ielen~0;main_~leader_len~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~bufsize~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~ielen~0 := main_#t~nondet3;havoc main_#t~nondet3; 7#L21true assume !!(main_~leader_len~0 < 1000000); 10#L22true assume !!(main_~bufsize~0 < 1000000); 14#L23true assume !!(main_~ielen~0 < 1000000); 18#L24true assume main_~leader_len~0 > 0; 16#L24-1true assume main_~bufsize~0 > 0; 20#L25true assume main_~ielen~0 > 0; 3#L26true assume !(main_~bufsize~0 < main_~leader_len~0);main_~p~0 := 0;main_~bufsize_0~0 := main_~bufsize~0;main_~bufsize~0 := main_~bufsize~0 - main_~leader_len~0;main_~p~0 := main_~p~0 + main_~leader_len~0; 11#L33true assume !(main_~bufsize~0 < 2 * main_~ielen~0);main_~i~0 := 0; 9#L35-3true [2018-11-28 12:08:23,466 INFO L796 eck$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 [2018-11-28 12:08:23,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:08:23,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1511954483, now seen corresponding path program 1 times [2018-11-28 12:08:23,474 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:08:23,475 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:08:23,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:08:23,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:08:23,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:08:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:08:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:08:23,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:08:23,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1862344367, now seen corresponding path program 1 times [2018-11-28 12:08:23,557 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:08:23,557 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:08:23,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:08:23,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:08:23,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:08:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:08:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:08:23,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:08:23,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1690504195, now seen corresponding path program 1 times [2018-11-28 12:08:23,576 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:08:23,577 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:08:23,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:08:23,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:08:23,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:08:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:08:23,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:08:23,742 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:08:23,743 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:08:23,743 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:08:23,743 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:08:23,744 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 12:08:23,744 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:08:23,744 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:08:23,744 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:08:23,744 INFO L131 ssoRankerPreferences]: Filename of dumped script: MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i_Iteration1_Loop [2018-11-28 12:08:23,744 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:08:23,744 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:08:23,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:23,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:23,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:23,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:23,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:23,831 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:08:23,832 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_319ce543-6967-48ea-ac7b-0d1bf4ffbcb9/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 [2018-11-28 12:08:23,835 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:08:23,835 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_319ce543-6967-48ea-ac7b-0d1bf4ffbcb9/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 [2018-11-28 12:08:23,854 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 12:08:23,854 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:08:23,957 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 12:08:23,958 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:08:23,958 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:08:23,958 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:08:23,958 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:08:23,959 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 12:08:23,959 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:08:23,959 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:08:23,959 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:08:23,959 INFO L131 ssoRankerPreferences]: Filename of dumped script: MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i_Iteration1_Loop [2018-11-28 12:08:23,959 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:08:23,959 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:08:23,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:23,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:23,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:23,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:23,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:24,022 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:08:24,027 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 12:08:24,028 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 [2018-11-28 12:08:24,030 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:08:24,030 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:08:24,030 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:08:24,030 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:08:24,031 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:08:24,032 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:08:24,033 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:08:24,038 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:08:24,038 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 [2018-11-28 12:08:24,039 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:08:24,039 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:08:24,039 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:08:24,039 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:08:24,040 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:08:24,040 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:08:24,040 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:08:24,046 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 12:08:24,052 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-28 12:08:24,052 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-28 12:08:24,053 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 12:08:24,053 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 12:08:24,054 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 12:08:24,054 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 [] [2018-11-28 12:08:24,055 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 12:08:24,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:08:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:08:24,091 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:08:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:08:24,103 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:08:24,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:08:24,120 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 [2018-11-28 12:08:24,121 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states. Second operand 3 states. [2018-11-28 12:08:24,158 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. [2018-11-28 12:08:24,158 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 [2018-11-28 12:08:24,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-28 12:08:24,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 47 transitions. [2018-11-28 12:08:24,161 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 9 letters. Loop has 6 letters. [2018-11-28 12:08:24,162 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:08:24,162 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 15 letters. Loop has 6 letters. [2018-11-28 12:08:24,163 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:08:24,163 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 9 letters. Loop has 12 letters. [2018-11-28 12:08:24,163 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:08:24,164 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 62 transitions. [2018-11-28 12:08:24,166 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 12:08:24,168 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 0 states and 0 transitions. [2018-11-28 12:08:24,169 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 12:08:24,169 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 12:08:24,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 12:08:24,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:08:24,169 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:08:24,170 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:08:24,170 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:08:24,170 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 12:08:24,170 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:08:24,170 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 12:08:24,170 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 12:08:24,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 12:08:24 BoogieIcfgContainer [2018-11-28 12:08:24,174 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 12:08:24,175 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:08:24,175 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:08:24,175 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:08:24,175 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:08:23" (3/4) ... [2018-11-28 12:08:24,178 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 12:08:24,178 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:08:24,178 INFO L168 Benchmark]: Toolchain (without parser) took 1234.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 955.3 MB in the beginning and 1.0 GB in the end (delta: -73.5 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. [2018-11-28 12:08:24,179 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:08:24,180 INFO L168 Benchmark]: CACSL2BoogieTranslator took 141.53 ms. Allocated memory is still 1.0 GB. Free memory was 955.3 MB in the beginning and 944.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:08:24,180 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.96 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:08:24,180 INFO L168 Benchmark]: Boogie Preprocessor took 16.84 ms. Allocated memory is still 1.0 GB. Free memory was 944.6 MB in the beginning and 939.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:08:24,181 INFO L168 Benchmark]: RCFGBuilder took 217.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -179.6 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:08:24,182 INFO L168 Benchmark]: BuchiAutomizer took 823.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 90.0 MB). Peak memory consumption was 90.0 MB. Max. memory is 11.5 GB. [2018-11-28 12:08:24,182 INFO L168 Benchmark]: Witness Printer took 3.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:08:24,184 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 141.53 ms. Allocated memory is still 1.0 GB. Free memory was 955.3 MB in the beginning and 944.6 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 28.96 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.84 ms. Allocated memory is still 1.0 GB. Free memory was 944.6 MB in the beginning and 939.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 217.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -179.6 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 823.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 90.0 MB). Peak memory consumption was 90.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.09 ms. Allocated memory is still 1.2 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 0.7s 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: 10ms 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...