./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/loop-lit/cggmp2005_variant_true-unreach-call_true-termination.c.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_92c480aa-e863-4d8e-8961-69a1751ae6b1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_92c480aa-e863-4d8e-8961-69a1751ae6b1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_92c480aa-e863-4d8e-8961-69a1751ae6b1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_92c480aa-e863-4d8e-8961-69a1751ae6b1/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/cggmp2005_variant_true-unreach-call_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_92c480aa-e863-4d8e-8961-69a1751ae6b1/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_92c480aa-e863-4d8e-8961-69a1751ae6b1/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 fb13e67548d34af589d64a91d36af5946c1dd198 ...................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 06:08:10,820 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:08:10,822 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:08:10,832 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:08:10,832 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:08:10,833 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:08:10,834 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:08:10,836 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:08:10,838 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:08:10,839 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:08:10,840 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:08:10,840 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:08:10,841 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:08:10,842 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:08:10,844 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:08:10,844 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:08:10,845 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:08:10,847 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:08:10,849 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:08:10,850 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:08:10,852 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:08:10,853 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:08:10,855 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:08:10,855 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:08:10,856 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:08:10,856 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:08:10,857 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:08:10,858 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:08:10,859 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:08:10,860 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:08:10,861 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:08:10,861 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:08:10,861 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:08:10,861 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:08:10,862 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:08:10,863 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:08:10,864 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_92c480aa-e863-4d8e-8961-69a1751ae6b1/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-10-27 06:08:10,877 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:08:10,877 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:08:10,878 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 06:08:10,879 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 06:08:10,879 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 06:08:10,879 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-27 06:08:10,880 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-27 06:08:10,880 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-27 06:08:10,880 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-27 06:08:10,880 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-27 06:08:10,880 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-27 06:08:10,880 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:08:10,881 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 06:08:10,881 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 06:08:10,881 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:08:10,881 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 06:08:10,881 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:08:10,881 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-27 06:08:10,881 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-27 06:08:10,882 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-27 06:08:10,882 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 06:08:10,882 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:08:10,882 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-27 06:08:10,882 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-27 06:08:10,882 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:08:10,882 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:08:10,883 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-27 06:08:10,883 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:08:10,885 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 06:08:10,886 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-27 06:08:10,887 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-27 06:08:10,887 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_92c480aa-e863-4d8e-8961-69a1751ae6b1/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 -> fb13e67548d34af589d64a91d36af5946c1dd198 [2018-10-27 06:08:10,917 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:08:10,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:08:10,932 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:08:10,933 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:08:10,934 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:08:10,934 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_92c480aa-e863-4d8e-8961-69a1751ae6b1/bin-2019/uautomizer/../../sv-benchmarks/c/loop-lit/cggmp2005_variant_true-unreach-call_true-termination.c.i [2018-10-27 06:08:10,986 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92c480aa-e863-4d8e-8961-69a1751ae6b1/bin-2019/uautomizer/data/cd4b18453/8910301ec6754d849e224e04ae92fb56/FLAG141960a2f [2018-10-27 06:08:11,380 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:08:11,381 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_92c480aa-e863-4d8e-8961-69a1751ae6b1/sv-benchmarks/c/loop-lit/cggmp2005_variant_true-unreach-call_true-termination.c.i [2018-10-27 06:08:11,387 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92c480aa-e863-4d8e-8961-69a1751ae6b1/bin-2019/uautomizer/data/cd4b18453/8910301ec6754d849e224e04ae92fb56/FLAG141960a2f [2018-10-27 06:08:11,402 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_92c480aa-e863-4d8e-8961-69a1751ae6b1/bin-2019/uautomizer/data/cd4b18453/8910301ec6754d849e224e04ae92fb56 [2018-10-27 06:08:11,407 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:08:11,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 06:08:11,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:08:11,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:08:11,414 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:08:11,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:08:11" (1/1) ... [2018-10-27 06:08:11,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5812412a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:11, skipping insertion in model container [2018-10-27 06:08:11,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:08:11" (1/1) ... [2018-10-27 06:08:11,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:08:11,447 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:08:11,633 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:08:11,637 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:08:11,651 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:08:11,666 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:08:11,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:11 WrapperNode [2018-10-27 06:08:11,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:08:11,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:08:11,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:08:11,667 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:08:11,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:11" (1/1) ... [2018-10-27 06:08:11,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:11" (1/1) ... [2018-10-27 06:08:11,707 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:08:11,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:08:11,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:08:11,708 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:08:11,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:11" (1/1) ... [2018-10-27 06:08:11,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:11" (1/1) ... [2018-10-27 06:08:11,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:11" (1/1) ... [2018-10-27 06:08:11,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:11" (1/1) ... [2018-10-27 06:08:11,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:11" (1/1) ... [2018-10-27 06:08:11,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:11" (1/1) ... [2018-10-27 06:08:11,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:11" (1/1) ... [2018-10-27 06:08:11,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:08:11,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:08:11,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:08:11,726 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:08:11,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92c480aa-e863-4d8e-8961-69a1751ae6b1/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 [2018-10-27 06:08:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:08:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:08:12,092 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:08:12,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:08:12 BoogieIcfgContainer [2018-10-27 06:08:12,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:08:12,094 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-10-27 06:08:12,095 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-10-27 06:08:12,099 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-10-27 06:08:12,100 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:08:12,100 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:08:11" (1/3) ... [2018-10-27 06:08:12,102 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ecc4684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:08:12, skipping insertion in model container [2018-10-27 06:08:12,102 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:08:12,102 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:08:11" (2/3) ... [2018-10-27 06:08:12,102 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ecc4684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:08:12, skipping insertion in model container [2018-10-27 06:08:12,103 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:08:12,103 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:08:12" (3/3) ... [2018-10-27 06:08:12,106 INFO L375 chiAutomizerObserver]: Analyzing ICFG cggmp2005_variant_true-unreach-call_true-termination.c.i [2018-10-27 06:08:12,168 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 06:08:12,169 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-10-27 06:08:12,169 INFO L375 BuchiCegarLoop]: Hoare is false [2018-10-27 06:08:12,169 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-10-27 06:08:12,169 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:08:12,169 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:08:12,169 INFO L379 BuchiCegarLoop]: Difference is false [2018-10-27 06:08:12,169 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:08:12,170 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-10-27 06:08:12,196 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2018-10-27 06:08:12,228 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-10-27 06:08:12,228 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:08:12,229 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:08:12,236 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-10-27 06:08:12,237 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-10-27 06:08:12,237 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-10-27 06:08:12,237 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2018-10-27 06:08:12,238 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-10-27 06:08:12,238 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:08:12,238 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:08:12,239 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-10-27 06:08:12,239 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-10-27 06:08:12,249 INFO L793 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet1, main_~lo~0, main_~mid~0, main_~hi~0;havoc main_~lo~0;havoc main_~mid~0;havoc main_~hi~0;main_~lo~0 := 0;main_~mid~0 := main_#t~nondet1;havoc main_#t~nondet1; 13#L14true assume !!(main_~mid~0 > 0 && main_~mid~0 <= 1000000);main_~hi~0 := 2 * main_~mid~0; 11#L16-3true [2018-10-27 06:08:12,255 INFO L795 eck$LassoCheckResult]: Loop: 11#L16-3true assume true; 4#L16-1true assume !!(main_~mid~0 > 0);main_~lo~0 := main_~lo~0 + 1;main_~hi~0 := main_~hi~0 - 1;main_~mid~0 := main_~mid~0 - 1; 11#L16-3true [2018-10-27 06:08:12,264 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:12,266 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2018-10-27 06:08:12,268 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:08:12,269 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:08:12,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:12,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:08:12,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:12,380 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:12,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1319, now seen corresponding path program 1 times [2018-10-27 06:08:12,381 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:08:12,381 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:08:12,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:12,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:08:12,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:12,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:12,404 INFO L82 PathProgramCache]: Analyzing trace with hash 28695818, now seen corresponding path program 1 times [2018-10-27 06:08:12,405 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:08:12,405 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:08:12,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:12,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:08:12,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:08:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:08:12,618 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-27 06:08:12,632 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:08:12,633 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:08:12,633 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:08:12,634 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:08:12,634 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:08:12,634 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:08:12,634 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:08:12,634 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:08:12,635 INFO L131 ssoRankerPreferences]: Filename of dumped script: cggmp2005_variant_true-unreach-call_true-termination.c.i_Iteration1_Loop [2018-10-27 06:08:12,635 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:08:12,635 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:08:12,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:08:12,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:08:12,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:08:12,799 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:08:12,799 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92c480aa-e863-4d8e-8961-69a1751ae6b1/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 [2018-10-27 06:08:12,804 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:08:12,804 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92c480aa-e863-4d8e-8961-69a1751ae6b1/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 [2018-10-27 06:08:12,831 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:08:12,831 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:08:12,849 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:08:12,850 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~hi~0=0} Honda state: {ULTIMATE.start_main_~hi~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~hi~0=-3}, {ULTIMATE.start_main_~hi~0=2}, {ULTIMATE.start_main_~hi~0=0}] Lambdas: [1, 1, 0] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92c480aa-e863-4d8e-8961-69a1751ae6b1/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) [2018-10-27 06:08:12,892 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:08:12,893 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92c480aa-e863-4d8e-8961-69a1751ae6b1/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 [2018-10-27 06:08:12,925 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:08:12,926 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:08:12,951 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-10-27 06:08:12,953 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:08:12,954 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:08:12,954 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:08:12,954 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:08:12,954 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:08:12,954 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:08:12,954 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:08:12,954 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:08:12,954 INFO L131 ssoRankerPreferences]: Filename of dumped script: cggmp2005_variant_true-unreach-call_true-termination.c.i_Iteration1_Loop [2018-10-27 06:08:12,955 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:08:12,955 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:08:12,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:08:12,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:08:12,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:08:13,251 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:08:13,256 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:08:13,258 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 [2018-10-27 06:08:13,260 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:08:13,260 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:13,261 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:13,261 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:13,261 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:08:13,264 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:08:13,264 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:13,273 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:08:13,273 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 [2018-10-27 06:08:13,274 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:08:13,274 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:08:13,274 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:08:13,274 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:08:13,275 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:08:13,276 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:08:13,277 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:08:13,282 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:08:13,286 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-10-27 06:08:13,287 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-10-27 06:08:13,289 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:08:13,289 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-10-27 06:08:13,289 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:08:13,290 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~mid~0) = 1*ULTIMATE.start_main_~mid~0 Supporting invariants [] [2018-10-27 06:08:13,292 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-10-27 06:08:13,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:08:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:08:13,395 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:08:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:08:13,406 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:08:13,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:08:13,419 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2018-10-27 06:08:13,420 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2018-10-27 06:08:13,472 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 31 states and 35 transitions. Complement of second has 5 states. [2018-10-27 06:08:13,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-10-27 06:08:13,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-10-27 06:08:13,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2018-10-27 06:08:13,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 3 letters. Loop has 2 letters. [2018-10-27 06:08:13,477 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:08:13,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. [2018-10-27 06:08:13,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:08:13,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 3 letters. Loop has 4 letters. [2018-10-27 06:08:13,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:08:13,479 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 35 transitions. [2018-10-27 06:08:13,481 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:08:13,484 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2018-10-27 06:08:13,485 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-10-27 06:08:13,485 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-10-27 06:08:13,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-10-27 06:08:13,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:08:13,486 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:08:13,486 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:08:13,486 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:08:13,486 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-10-27 06:08:13,486 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-10-27 06:08:13,487 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:08:13,487 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-10-27 06:08:13,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:08:13 BoogieIcfgContainer [2018-10-27 06:08:13,494 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-10-27 06:08:13,494 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 06:08:13,494 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 06:08:13,494 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 06:08:13,496 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:08:12" (3/4) ... [2018-10-27 06:08:13,499 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 06:08:13,499 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 06:08:13,500 INFO L168 Benchmark]: Toolchain (without parser) took 2092.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 961.1 MB in the beginning and 1.1 GB in the end (delta: -100.6 MB). Peak memory consumption was 47.8 MB. Max. memory is 11.5 GB. [2018-10-27 06:08:13,501 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:08:13,501 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.11 ms. Allocated memory is still 1.0 GB. Free memory was 961.1 MB in the beginning and 943.7 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-10-27 06:08:13,502 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.20 ms. Allocated memory is still 1.0 GB. Free memory is still 943.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:08:13,502 INFO L168 Benchmark]: Boogie Preprocessor took 17.81 ms. Allocated memory is still 1.0 GB. Free memory is still 943.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:08:13,504 INFO L168 Benchmark]: RCFGBuilder took 367.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -189.9 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-10-27 06:08:13,505 INFO L168 Benchmark]: BuchiAutomizer took 1400.30 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: 65.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. [2018-10-27 06:08:13,505 INFO L168 Benchmark]: Witness Printer took 4.95 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-10-27 06:08:13,511 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 257.11 ms. Allocated memory is still 1.0 GB. Free memory was 961.1 MB in the beginning and 943.7 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.20 ms. Allocated memory is still 1.0 GB. Free memory is still 943.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.81 ms. Allocated memory is still 1.0 GB. Free memory is still 943.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 367.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -189.9 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1400.30 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: 65.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.95 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: 3.3 MB). Peak memory consumption was 3.3 MB. 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 mid and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 13 SDtfs, 13 SDslu, 7 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp50 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 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...