./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/loop-lit/gj2007_true-unreach-call_true-termination.c.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_074a9636-e91c-4b3c-96f1-361a73e0b897/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_074a9636-e91c-4b3c-96f1-361a73e0b897/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_074a9636-e91c-4b3c-96f1-361a73e0b897/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_074a9636-e91c-4b3c-96f1-361a73e0b897/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/gj2007_true-unreach-call_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_074a9636-e91c-4b3c-96f1-361a73e0b897/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_074a9636-e91c-4b3c-96f1-361a73e0b897/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 1a9963030a13e3c679db84f21688cc66372a5ac3 .................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:38:29,495 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:38:29,496 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:38:29,505 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:38:29,505 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:38:29,505 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:38:29,506 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:38:29,507 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:38:29,508 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:38:29,509 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:38:29,510 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:38:29,510 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:38:29,510 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:38:29,511 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:38:29,512 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:38:29,512 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:38:29,513 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:38:29,514 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:38:29,515 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:38:29,516 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:38:29,517 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:38:29,517 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:38:29,519 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:38:29,519 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:38:29,519 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:38:29,520 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:38:29,520 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:38:29,521 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:38:29,521 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:38:29,522 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:38:29,522 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:38:29,523 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:38:29,523 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:38:29,523 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:38:29,524 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:38:29,524 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:38:29,524 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_074a9636-e91c-4b3c-96f1-361a73e0b897/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 11:38:29,534 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:38:29,534 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:38:29,535 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:38:29,535 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:38:29,536 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:38:29,536 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 11:38:29,536 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 11:38:29,536 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 11:38:29,536 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 11:38:29,536 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 11:38:29,536 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 11:38:29,537 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:38:29,537 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:38:29,537 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:38:29,537 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:38:29,537 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:38:29,537 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:38:29,537 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 11:38:29,538 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 11:38:29,538 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 11:38:29,538 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:38:29,538 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:38:29,538 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 11:38:29,538 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:38:29,538 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 11:38:29,539 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:38:29,539 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:38:29,539 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 11:38:29,539 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:38:29,539 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:38:29,539 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 11:38:29,540 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 11:38:29,540 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_074a9636-e91c-4b3c-96f1-361a73e0b897/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 -> 1a9963030a13e3c679db84f21688cc66372a5ac3 [2018-11-18 11:38:29,561 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:38:29,571 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:38:29,572 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:38:29,573 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:38:29,573 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:38:29,574 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_074a9636-e91c-4b3c-96f1-361a73e0b897/bin-2019/uautomizer/../../sv-benchmarks/c/loop-lit/gj2007_true-unreach-call_true-termination.c.i [2018-11-18 11:38:29,605 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_074a9636-e91c-4b3c-96f1-361a73e0b897/bin-2019/uautomizer/data/08cf9f43d/bcd5c91b2f42436fb12da0460eac9012/FLAG2561f50fe [2018-11-18 11:38:29,990 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:38:29,990 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_074a9636-e91c-4b3c-96f1-361a73e0b897/sv-benchmarks/c/loop-lit/gj2007_true-unreach-call_true-termination.c.i [2018-11-18 11:38:29,994 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_074a9636-e91c-4b3c-96f1-361a73e0b897/bin-2019/uautomizer/data/08cf9f43d/bcd5c91b2f42436fb12da0460eac9012/FLAG2561f50fe [2018-11-18 11:38:30,002 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_074a9636-e91c-4b3c-96f1-361a73e0b897/bin-2019/uautomizer/data/08cf9f43d/bcd5c91b2f42436fb12da0460eac9012 [2018-11-18 11:38:30,004 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:38:30,005 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:38:30,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:38:30,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:38:30,008 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:38:30,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:38:30" (1/1) ... [2018-11-18 11:38:30,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@649eab1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:38:30, skipping insertion in model container [2018-11-18 11:38:30,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:38:30" (1/1) ... [2018-11-18 11:38:30,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:38:30,026 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:38:30,126 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:38:30,129 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:38:30,138 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:38:30,148 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:38:30,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:38:30 WrapperNode [2018-11-18 11:38:30,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:38:30,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:38:30,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:38:30,149 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:38:30,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:38:30" (1/1) ... [2018-11-18 11:38:30,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:38:30" (1/1) ... [2018-11-18 11:38:30,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:38:30,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:38:30,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:38:30,167 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:38:30,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:38:30" (1/1) ... [2018-11-18 11:38:30,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:38:30" (1/1) ... [2018-11-18 11:38:30,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:38:30" (1/1) ... [2018-11-18 11:38:30,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:38:30" (1/1) ... [2018-11-18 11:38:30,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:38:30" (1/1) ... [2018-11-18 11:38:30,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:38:30" (1/1) ... [2018-11-18 11:38:30,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:38:30" (1/1) ... [2018-11-18 11:38:30,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:38:30,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:38:30,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:38:30,179 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:38:30,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:38:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_074a9636-e91c-4b3c-96f1-361a73e0b897/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 11:38:30,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:38:30,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:38:30,358 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:38:30,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:38:30 BoogieIcfgContainer [2018-11-18 11:38:30,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:38:30,359 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 11:38:30,359 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 11:38:30,361 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 11:38:30,361 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:38:30,361 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 11:38:30" (1/3) ... [2018-11-18 11:38:30,362 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a0c4c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:38:30, skipping insertion in model container [2018-11-18 11:38:30,363 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:38:30,363 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:38:30" (2/3) ... [2018-11-18 11:38:30,363 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a0c4c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:38:30, skipping insertion in model container [2018-11-18 11:38:30,363 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:38:30,363 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:38:30" (3/3) ... [2018-11-18 11:38:30,364 INFO L375 chiAutomizerObserver]: Analyzing ICFG gj2007_true-unreach-call_true-termination.c.i [2018-11-18 11:38:30,409 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:38:30,410 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 11:38:30,410 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 11:38:30,410 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 11:38:30,410 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:38:30,410 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:38:30,411 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 11:38:30,411 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:38:30,411 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 11:38:30,422 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2018-11-18 11:38:30,438 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-18 11:38:30,438 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:38:30,438 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:38:30,443 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-18 11:38:30,443 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-18 11:38:30,443 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 11:38:30,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2018-11-18 11:38:30,444 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-18 11:38:30,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:38:30,445 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:38:30,445 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-18 11:38:30,445 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-18 11:38:30,451 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 50; 8#L14-2true [2018-11-18 11:38:30,451 INFO L796 eck$LassoCheckResult]: Loop: 8#L14-2true assume true; 9#L13-1true assume !!(main_~x~0 < 100); 13#L14true assume !(main_~x~0 < 50);main_~x~0 := 1 + main_~x~0;main_~y~0 := 1 + main_~y~0; 8#L14-2true [2018-11-18 11:38:30,455 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:38:30,455 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-18 11:38:30,456 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:38:30,456 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:38:30,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:38:30,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:38:30,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:38:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:38:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:38:30,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:38:30,516 INFO L82 PathProgramCache]: Analyzing trace with hash 35946, now seen corresponding path program 1 times [2018-11-18 11:38:30,516 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:38:30,516 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:38:30,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:38:30,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:38:30,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:38:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:38:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:38:30,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:38:30,524 INFO L82 PathProgramCache]: Analyzing trace with hash 28694888, now seen corresponding path program 1 times [2018-11-18 11:38:30,524 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:38:30,524 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:38:30,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:38:30,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:38:30,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:38:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:30,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:38:30,557 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:38:30,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:38:30,593 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 11:38:30,594 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 11:38:30,594 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 11:38:30,594 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 11:38:30,595 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 11:38:30,595 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 11:38:30,595 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 11:38:30,595 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 11:38:30,595 INFO L131 ssoRankerPreferences]: Filename of dumped script: gj2007_true-unreach-call_true-termination.c.i_Iteration1_Loop [2018-11-18 11:38:30,595 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 11:38:30,595 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 11:38:30,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:38:30,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:38:30,668 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 11:38:30,669 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_074a9636-e91c-4b3c-96f1-361a73e0b897/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 11:38:30,672 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 11:38:30,672 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_074a9636-e91c-4b3c-96f1-361a73e0b897/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 11:38:30,689 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 11:38:30,689 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 11:38:30,701 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 11:38:30,701 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=2}, {ULTIMATE.start_main_~y~0=1}, {ULTIMATE.start_main_~y~0=-2}] Lambdas: [1, 1, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_074a9636-e91c-4b3c-96f1-361a73e0b897/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 11:38:30,716 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 11:38:30,716 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_074a9636-e91c-4b3c-96f1-361a73e0b897/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 11:38:30,733 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 11:38:30,733 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 11:38:30,737 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-18 11:38:30,751 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 11:38:30,751 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 11:38:30,751 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 11:38:30,752 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 11:38:30,752 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 11:38:30,752 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 11:38:30,752 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 11:38:30,752 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 11:38:30,752 INFO L131 ssoRankerPreferences]: Filename of dumped script: gj2007_true-unreach-call_true-termination.c.i_Iteration1_Loop [2018-11-18 11:38:30,752 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 11:38:30,752 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 11:38:30,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:38:30,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 11:38:30,802 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 11:38:30,805 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 11:38:30,806 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 11:38:30,807 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:38:30,807 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 11:38:30,808 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:38:30,808 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:38:30,808 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:38:30,810 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 11:38:30,810 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 11:38:30,815 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 11:38:30,815 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 11:38:30,816 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 11:38:30,816 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 11:38:30,816 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 11:38:30,816 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 11:38:30,816 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 11:38:30,817 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 11:38:30,817 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 11:38:30,822 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-18 11:38:30,826 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-18 11:38:30,826 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-18 11:38:30,827 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-18 11:38:30,828 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-18 11:38:30,828 INFO L518 LassoAnalysis]: Proved termination. [2018-11-18 11:38:30,828 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~x~0 + 199 Supporting invariants [] [2018-11-18 11:38:30,829 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-18 11:38:30,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:38:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:30,867 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:38:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:30,874 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:38:30,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:38:30,891 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 [2018-11-18 11:38:30,892 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 4 states. [2018-11-18 11:38:30,921 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 4 states. Result 29 states and 34 transitions. Complement of second has 7 states. [2018-11-18 11:38:30,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-18 11:38:30,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-18 11:38:30,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2018-11-18 11:38:30,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 3 letters. [2018-11-18 11:38:30,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 11:38:30,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 5 letters. Loop has 3 letters. [2018-11-18 11:38:30,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 11:38:30,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 6 letters. [2018-11-18 11:38:30,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 11:38:30,927 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2018-11-18 11:38:30,928 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 11:38:30,930 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2018-11-18 11:38:30,931 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-18 11:38:30,931 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-18 11:38:30,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-18 11:38:30,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:38:30,932 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:38:30,932 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:38:30,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:38:30,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:38:30,935 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2018-11-18 11:38:30,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:38:30,938 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-18 11:38:30,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:38:30,938 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-18 11:38:30,938 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 11:38:30,938 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:38:30,938 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-18 11:38:30,939 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-18 11:38:30,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-18 11:38:30,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:38:30,939 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:38:30,939 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:38:30,939 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:38:30,939 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 11:38:30,939 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:38:30,939 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 11:38:30,939 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-18 11:38:30,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 11:38:30 BoogieIcfgContainer [2018-11-18 11:38:30,944 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 11:38:30,945 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:38:30,945 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:38:30,945 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:38:30,945 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:38:30" (3/4) ... [2018-11-18 11:38:30,948 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 11:38:30,948 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:38:30,948 INFO L168 Benchmark]: Toolchain (without parser) took 943.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 953.8 MB in the beginning and 1.1 GB in the end (delta: -124.3 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:38:30,950 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:38:30,950 INFO L168 Benchmark]: CACSL2BoogieTranslator took 143.18 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:38:30,950 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.21 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:38:30,951 INFO L168 Benchmark]: Boogie Preprocessor took 10.86 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:38:30,951 INFO L168 Benchmark]: RCFGBuilder took 179.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 940.3 MB in the beginning and 1.2 GB in the end (delta: -214.1 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:38:30,952 INFO L168 Benchmark]: BuchiAutomizer took 585.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 76.3 MB). Peak memory consumption was 76.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:38:30,952 INFO L168 Benchmark]: Witness Printer took 3.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:38:30,954 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 143.18 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 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 18.21 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.86 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 179.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 940.3 MB in the beginning and 1.2 GB in the end (delta: -214.1 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 585.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 76.3 MB). Peak memory consumption was 76.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * x + 199 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 9 SDslu, 14 SDs, 0 SdLazy, 7 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax100 hnf94 lsp72 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 8ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...