./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-new/half_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5e586a63-0761-4368-85ac-4468ffee0a87/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5e586a63-0761-4368-85ac-4468ffee0a87/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5e586a63-0761-4368-85ac-4468ffee0a87/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5e586a63-0761-4368-85ac-4468ffee0a87/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-new/half_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5e586a63-0761-4368-85ac-4468ffee0a87/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5e586a63-0761-4368-85ac-4468ffee0a87/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 14367fbcb63815bbc35abe1c5a8e938762f99ead ..................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 22:25:50,807 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:25:50,808 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:25:50,815 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:25:50,815 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:25:50,816 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:25:50,816 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:25:50,817 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:25:50,819 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:25:50,819 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:25:50,820 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:25:50,820 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:25:50,821 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:25:50,821 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:25:50,822 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:25:50,822 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:25:50,822 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:25:50,823 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:25:50,825 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:25:50,826 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:25:50,827 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:25:50,827 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:25:50,829 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:25:50,829 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:25:50,829 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:25:50,830 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:25:50,831 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:25:50,831 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:25:50,832 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:25:50,833 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:25:50,833 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:25:50,833 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:25:50,834 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:25:50,834 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:25:50,834 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:25:50,835 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:25:50,835 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5e586a63-0761-4368-85ac-4468ffee0a87/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-22 22:25:50,843 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:25:50,844 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:25:50,844 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 22:25:50,845 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 22:25:50,845 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 22:25:50,845 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-22 22:25:50,845 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-22 22:25:50,845 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-22 22:25:50,845 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-22 22:25:50,845 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-22 22:25:50,846 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-22 22:25:50,846 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:25:50,846 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:25:50,846 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-22 22:25:50,846 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:25:50,846 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:25:50,846 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:25:50,847 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-22 22:25:50,847 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-22 22:25:50,847 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-22 22:25:50,847 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:25:50,847 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:25:50,847 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-22 22:25:50,847 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:25:50,847 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-22 22:25:50,848 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:25:50,848 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:25:50,848 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-22 22:25:50,848 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:25:50,848 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 22:25:50,848 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-22 22:25:50,849 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-22 22:25:50,849 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_5e586a63-0761-4368-85ac-4468ffee0a87/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 -> 14367fbcb63815bbc35abe1c5a8e938762f99ead [2018-11-22 22:25:50,872 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:25:50,881 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:25:50,884 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:25:50,885 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:25:50,885 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:25:50,886 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5e586a63-0761-4368-85ac-4468ffee0a87/bin-2019/uautomizer/../../sv-benchmarks/c/loop-new/half_true-unreach-call_true-termination.i [2018-11-22 22:25:50,929 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5e586a63-0761-4368-85ac-4468ffee0a87/bin-2019/uautomizer/data/ecd4b7044/bf78a8dfae524f6083a1553462edd57e/FLAG3de8c85a6 [2018-11-22 22:25:51,232 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:25:51,232 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5e586a63-0761-4368-85ac-4468ffee0a87/sv-benchmarks/c/loop-new/half_true-unreach-call_true-termination.i [2018-11-22 22:25:51,236 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5e586a63-0761-4368-85ac-4468ffee0a87/bin-2019/uautomizer/data/ecd4b7044/bf78a8dfae524f6083a1553462edd57e/FLAG3de8c85a6 [2018-11-22 22:25:51,245 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5e586a63-0761-4368-85ac-4468ffee0a87/bin-2019/uautomizer/data/ecd4b7044/bf78a8dfae524f6083a1553462edd57e [2018-11-22 22:25:51,248 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:25:51,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:25:51,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:25:51,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:25:51,253 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:25:51,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:25:51" (1/1) ... [2018-11-22 22:25:51,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337624aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:51, skipping insertion in model container [2018-11-22 22:25:51,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:25:51" (1/1) ... [2018-11-22 22:25:51,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:25:51,278 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:25:51,391 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:25:51,393 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:25:51,402 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:25:51,410 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:25:51,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:51 WrapperNode [2018-11-22 22:25:51,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:25:51,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:25:51,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:25:51,411 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:25:51,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:51" (1/1) ... [2018-11-22 22:25:51,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:51" (1/1) ... [2018-11-22 22:25:51,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:25:51,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:25:51,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:25:51,429 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:25:51,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:51" (1/1) ... [2018-11-22 22:25:51,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:51" (1/1) ... [2018-11-22 22:25:51,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:51" (1/1) ... [2018-11-22 22:25:51,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:51" (1/1) ... [2018-11-22 22:25:51,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:51" (1/1) ... [2018-11-22 22:25:51,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:51" (1/1) ... [2018-11-22 22:25:51,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:51" (1/1) ... [2018-11-22 22:25:51,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:25:51,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:25:51,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:25:51,474 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:25:51,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e586a63-0761-4368-85ac-4468ffee0a87/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 [2018-11-22 22:25:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:25:51,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:25:51,606 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:25:51,606 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-22 22:25:51,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:25:51 BoogieIcfgContainer [2018-11-22 22:25:51,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:25:51,607 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-22 22:25:51,607 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-22 22:25:51,610 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-22 22:25:51,610 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 22:25:51,611 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 10:25:51" (1/3) ... [2018-11-22 22:25:51,611 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@600d676a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 10:25:51, skipping insertion in model container [2018-11-22 22:25:51,612 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 22:25:51,612 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:25:51" (2/3) ... [2018-11-22 22:25:51,612 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@600d676a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 10:25:51, skipping insertion in model container [2018-11-22 22:25:51,612 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 22:25:51,612 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:25:51" (3/3) ... [2018-11-22 22:25:51,613 INFO L375 chiAutomizerObserver]: Analyzing ICFG half_true-unreach-call_true-termination.i [2018-11-22 22:25:51,654 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 22:25:51,655 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-22 22:25:51,655 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-22 22:25:51,655 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-22 22:25:51,655 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 22:25:51,655 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 22:25:51,655 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-22 22:25:51,655 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 22:25:51,655 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-22 22:25:51,663 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2018-11-22 22:25:51,676 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-22 22:25:51,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 22:25:51,677 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 22:25:51,681 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-22 22:25:51,681 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-22 22:25:51,681 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-22 22:25:51,681 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2018-11-22 22:25:51,682 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-22 22:25:51,682 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 22:25:51,682 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 22:25:51,682 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-22 22:25:51,683 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-22 22:25:51,687 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~post3, main_#t~post2, main_~i~0, main_~n~0, main_~k~0;main_~i~0 := 0;main_~n~0 := 0;main_~k~0 := main_#t~nondet1;havoc main_#t~nondet1; 13#L14true assume !!(main_~k~0 <= 1000000 && main_~k~0 >= -1000000);main_~i~0 := 0; 8#L15-3true [2018-11-22 22:25:51,687 INFO L796 eck$LassoCheckResult]: Loop: 8#L15-3true assume !!(main_~i~0 < 2 * main_~k~0); 6#L16true assume 0 == (if main_~i~0 < 0 && 0 != main_~i~0 % 2 then main_~i~0 % 2 - 2 else main_~i~0 % 2);main_#t~post3 := main_~n~0;main_~n~0 := 1 + main_#t~post3;havoc main_#t~post3; 11#L15-2true main_#t~post2 := main_~i~0;main_~i~0 := 1 + main_#t~post2;havoc main_#t~post2; 8#L15-3true [2018-11-22 22:25:51,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:25:51,691 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2018-11-22 22:25:51,692 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:25:51,692 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:25:51,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:25:51,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:25:51,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:25:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:25:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:25:51,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:25:51,759 INFO L82 PathProgramCache]: Analyzing trace with hash 43793, now seen corresponding path program 1 times [2018-11-22 22:25:51,759 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:25:51,759 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:25:51,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:25:51,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:25:51,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:25:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:25:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:25:51,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:25:51,777 INFO L82 PathProgramCache]: Analyzing trace with hash 29745420, now seen corresponding path program 1 times [2018-11-22 22:25:51,778 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:25:51,778 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:25:51,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:25:51,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:25:51,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:25:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:25:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:25:51,841 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 22:25:51,841 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 22:25:51,842 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 22:25:51,842 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 22:25:51,842 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-22 22:25:51,842 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 22:25:51,842 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 22:25:51,842 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 22:25:51,842 INFO L131 ssoRankerPreferences]: Filename of dumped script: half_true-unreach-call_true-termination.i_Iteration1_Loop [2018-11-22 22:25:51,843 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 22:25:51,843 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 22:25:51,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 22:25:51,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 22:25:51,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 22:25:51,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 22:25:51,995 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 22:25:51,996 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e586a63-0761-4368-85ac-4468ffee0a87/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 [2018-11-22 22:25:52,000 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 22:25:52,000 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e586a63-0761-4368-85ac-4468ffee0a87/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 [2018-11-22 22:25:52,020 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-22 22:25:52,020 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 22:25:52,031 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-22 22:25:52,031 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~n~0=0} Honda state: {ULTIMATE.start_main_~n~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~n~0=0}, {ULTIMATE.start_main_~n~0=1}, {ULTIMATE.start_main_~n~0=0}] Lambdas: [0, 1, 0] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e586a63-0761-4368-85ac-4468ffee0a87/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 [2018-11-22 22:25:52,046 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 22:25:52,046 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 22:25:52,050 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-22 22:25:52,050 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2=0} Honda state: {ULTIMATE.start_main_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e586a63-0761-4368-85ac-4468ffee0a87/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 [2018-11-22 22:25:52,064 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 22:25:52,064 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e586a63-0761-4368-85ac-4468ffee0a87/bin-2019/uautomizer/z3 Starting monitored process 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 22:25:52,080 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-22 22:25:52,080 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 22:25:52,177 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-22 22:25:52,178 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 22:25:52,178 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 22:25:52,179 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 22:25:52,179 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 22:25:52,179 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-22 22:25:52,179 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 22:25:52,179 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 22:25:52,179 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 22:25:52,179 INFO L131 ssoRankerPreferences]: Filename of dumped script: half_true-unreach-call_true-termination.i_Iteration1_Loop [2018-11-22 22:25:52,179 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 22:25:52,179 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 22:25:52,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 22:25:52,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 22:25:52,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 22:25:52,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 22:25:52,307 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 21 [2018-11-22 22:25:52,330 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 22:25:52,335 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-22 22:25:52,336 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 [2018-11-22 22:25:52,337 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 22:25:52,337 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 22:25:52,338 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 22:25:52,338 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 22:25:52,338 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 22:25:52,340 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 22:25:52,340 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 22:25:52,344 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 22:25:52,344 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 [2018-11-22 22:25:52,345 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 22:25:52,345 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 22:25:52,345 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 22:25:52,345 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 22:25:52,345 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 22:25:52,346 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 22:25:52,346 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 22:25:52,347 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 22:25:52,347 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 [2018-11-22 22:25:52,348 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 22:25:52,348 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 22:25:52,348 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 22:25:52,348 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 22:25:52,348 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 22:25:52,349 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 22:25:52,349 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 22:25:52,356 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-22 22:25:52,362 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-22 22:25:52,362 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-22 22:25:52,364 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-22 22:25:52,364 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-22 22:25:52,364 INFO L518 LassoAnalysis]: Proved termination. [2018-11-22 22:25:52,364 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0, ULTIMATE.start_main_~i~0) = 2*ULTIMATE.start_main_~k~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2018-11-22 22:25:52,365 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-22 22:25:52,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:25:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:25:52,409 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:25:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:25:52,417 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:25:52,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:25:52,434 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 [2018-11-22 22:25:52,435 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2018-11-22 22:25:52,468 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 32 states and 40 transitions. Complement of second has 7 states. [2018-11-22 22:25:52,468 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 [2018-11-22 22:25:52,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-22 22:25:52,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2018-11-22 22:25:52,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 2 letters. Loop has 3 letters. [2018-11-22 22:25:52,471 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-22 22:25:52,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 5 letters. Loop has 3 letters. [2018-11-22 22:25:52,471 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-22 22:25:52,472 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 2 letters. Loop has 6 letters. [2018-11-22 22:25:52,472 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-22 22:25:52,472 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 40 transitions. [2018-11-22 22:25:52,474 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-22 22:25:52,476 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2018-11-22 22:25:52,476 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-22 22:25:52,477 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-22 22:25:52,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-22 22:25:52,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-22 22:25:52,477 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 22:25:52,477 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 22:25:52,477 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 22:25:52,477 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-22 22:25:52,477 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-22 22:25:52,477 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-22 22:25:52,477 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-22 22:25:52,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.11 10:25:52 BoogieIcfgContainer [2018-11-22 22:25:52,481 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-22 22:25:52,481 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:25:52,481 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:25:52,481 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:25:52,482 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:25:51" (3/4) ... [2018-11-22 22:25:52,484 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-22 22:25:52,484 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:25:52,484 INFO L168 Benchmark]: Toolchain (without parser) took 1236.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 960.3 MB in the beginning and 1.0 GB in the end (delta: -60.3 MB). Peak memory consumption was 73.9 MB. Max. memory is 11.5 GB. [2018-11-22 22:25:52,485 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:25:52,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 161.01 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-22 22:25:52,485 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.63 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:25:52,486 INFO L168 Benchmark]: Boogie Preprocessor took 44.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -185.9 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-22 22:25:52,486 INFO L168 Benchmark]: RCFGBuilder took 133.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-11-22 22:25:52,487 INFO L168 Benchmark]: BuchiAutomizer took 874.21 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: 99.5 MB). Peak memory consumption was 99.5 MB. Max. memory is 11.5 GB. [2018-11-22 22:25:52,487 INFO L168 Benchmark]: Witness Printer took 2.55 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. [2018-11-22 22:25:52,490 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 161.01 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.63 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -185.9 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 133.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 874.21 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: 99.5 MB). Peak memory consumption was 99.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.55 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 2 * k + -1 * i and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. 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: 10 SDtfs, 13 SDslu, 10 SDs, 0 SdLazy, 13 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp86 ukn100 mio100 lsp100 div206 bol100 ite117 ukn100 eq150 hnf63 smp49 dnf98 smp100 tf105 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 8ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 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...