./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/loop-acceleration/array_true-unreach-call2_true-termination.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_7cda03db-d211-434a-89ce-d582e011d040/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7cda03db-d211-434a-89ce-d582e011d040/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7cda03db-d211-434a-89ce-d582e011d040/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7cda03db-d211-434a-89ce-d582e011d040/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/array_true-unreach-call2_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7cda03db-d211-434a-89ce-d582e011d040/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7cda03db-d211-434a-89ce-d582e011d040/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 6cf45fad85d859bd49993135d653eb18d378c433 .............................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-09 23:09:42,857 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-09 23:09:42,859 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-09 23:09:42,866 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-09 23:09:42,866 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-09 23:09:42,867 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-09 23:09:42,867 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-09 23:09:42,868 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-09 23:09:42,870 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-09 23:09:42,870 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-09 23:09:42,871 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-09 23:09:42,871 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-09 23:09:42,871 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-09 23:09:42,872 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-09 23:09:42,873 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-09 23:09:42,873 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-09 23:09:42,874 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-09 23:09:42,875 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-09 23:09:42,876 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-09 23:09:42,877 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-09 23:09:42,878 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-09 23:09:42,879 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-09 23:09:42,880 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-09 23:09:42,881 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-09 23:09:42,881 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-09 23:09:42,882 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-09 23:09:42,882 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-09 23:09:42,883 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-09 23:09:42,883 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-09 23:09:42,884 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-09 23:09:42,884 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-09 23:09:42,884 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-09 23:09:42,884 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-09 23:09:42,884 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-09 23:09:42,885 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-09 23:09:42,885 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-09 23:09:42,885 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7cda03db-d211-434a-89ce-d582e011d040/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-09 23:09:42,895 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-09 23:09:42,895 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-09 23:09:42,896 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-09 23:09:42,896 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-09 23:09:42,896 INFO L133 SettingsManager]: * Use SBE=true [2018-11-09 23:09:42,897 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-09 23:09:42,897 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-09 23:09:42,897 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-09 23:09:42,897 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-09 23:09:42,897 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-09 23:09:42,897 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-09 23:09:42,897 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-09 23:09:42,897 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-09 23:09:42,898 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-09 23:09:42,898 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-09 23:09:42,898 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-09 23:09:42,898 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-09 23:09:42,898 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-09 23:09:42,898 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-09 23:09:42,898 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-09 23:09:42,899 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-09 23:09:42,899 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-09 23:09:42,899 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-09 23:09:42,899 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-09 23:09:42,899 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-09 23:09:42,899 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-09 23:09:42,899 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-09 23:09:42,900 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-09 23:09:42,900 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-09 23:09:42,900 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-09 23:09:42,900 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-09 23:09:42,901 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_7cda03db-d211-434a-89ce-d582e011d040/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 -> 6cf45fad85d859bd49993135d653eb18d378c433 [2018-11-09 23:09:42,920 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-09 23:09:42,928 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-09 23:09:42,931 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-09 23:09:42,932 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-09 23:09:42,932 INFO L276 PluginConnector]: CDTParser initialized [2018-11-09 23:09:42,932 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7cda03db-d211-434a-89ce-d582e011d040/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/array_true-unreach-call2_true-termination.i [2018-11-09 23:09:42,967 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7cda03db-d211-434a-89ce-d582e011d040/bin-2019/uautomizer/data/8fb45ac8c/7521ef21260d4b0f844e00d4f3a540c1/FLAG059326446 [2018-11-09 23:09:43,260 INFO L298 CDTParser]: Found 1 translation units. [2018-11-09 23:09:43,260 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7cda03db-d211-434a-89ce-d582e011d040/sv-benchmarks/c/loop-acceleration/array_true-unreach-call2_true-termination.i [2018-11-09 23:09:43,264 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7cda03db-d211-434a-89ce-d582e011d040/bin-2019/uautomizer/data/8fb45ac8c/7521ef21260d4b0f844e00d4f3a540c1/FLAG059326446 [2018-11-09 23:09:43,274 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7cda03db-d211-434a-89ce-d582e011d040/bin-2019/uautomizer/data/8fb45ac8c/7521ef21260d4b0f844e00d4f3a540c1 [2018-11-09 23:09:43,276 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-09 23:09:43,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-09 23:09:43,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-09 23:09:43,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-09 23:09:43,280 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-09 23:09:43,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:09:43" (1/1) ... [2018-11-09 23:09:43,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc2202b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:09:43, skipping insertion in model container [2018-11-09 23:09:43,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:09:43" (1/1) ... [2018-11-09 23:09:43,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-09 23:09:43,299 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-09 23:09:43,385 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:09:43,388 INFO L189 MainTranslator]: Completed pre-run [2018-11-09 23:09:43,398 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:09:43,408 INFO L193 MainTranslator]: Completed translation [2018-11-09 23:09:43,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:09:43 WrapperNode [2018-11-09 23:09:43,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-09 23:09:43,409 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-09 23:09:43,409 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-09 23:09:43,409 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-09 23:09:43,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:09:43" (1/1) ... [2018-11-09 23:09:43,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:09:43" (1/1) ... [2018-11-09 23:09:43,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-09 23:09:43,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-09 23:09:43,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-09 23:09:43,433 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-09 23:09:43,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:09:43" (1/1) ... [2018-11-09 23:09:43,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:09:43" (1/1) ... [2018-11-09 23:09:43,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:09:43" (1/1) ... [2018-11-09 23:09:43,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:09:43" (1/1) ... [2018-11-09 23:09:43,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:09:43" (1/1) ... [2018-11-09 23:09:43,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:09:43" (1/1) ... [2018-11-09 23:09:43,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:09:43" (1/1) ... [2018-11-09 23:09:43,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-09 23:09:43,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-09 23:09:43,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-09 23:09:43,448 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-09 23:09:43,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:09:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7cda03db-d211-434a-89ce-d582e011d040/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 [2018-11-09 23:09:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-09 23:09:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-09 23:09:43,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-09 23:09:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-09 23:09:43,666 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-09 23:09:43,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:09:43 BoogieIcfgContainer [2018-11-09 23:09:43,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-09 23:09:43,668 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-09 23:09:43,668 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-09 23:09:43,671 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-09 23:09:43,672 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-09 23:09:43,672 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 11:09:43" (1/3) ... [2018-11-09 23:09:43,673 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b2c2b6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 11:09:43, skipping insertion in model container [2018-11-09 23:09:43,673 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-09 23:09:43,673 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:09:43" (2/3) ... [2018-11-09 23:09:43,674 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b2c2b6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 11:09:43, skipping insertion in model container [2018-11-09 23:09:43,674 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-09 23:09:43,674 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:09:43" (3/3) ... [2018-11-09 23:09:43,675 INFO L375 chiAutomizerObserver]: Analyzing ICFG array_true-unreach-call2_true-termination.i [2018-11-09 23:09:43,724 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-09 23:09:43,725 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-09 23:09:43,725 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-09 23:09:43,725 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-09 23:09:43,725 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-09 23:09:43,725 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-09 23:09:43,725 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-09 23:09:43,725 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-09 23:09:43,725 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-09 23:09:43,737 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2018-11-09 23:09:43,755 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-09 23:09:43,755 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-09 23:09:43,755 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-09 23:09:43,761 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-09 23:09:43,761 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-09 23:09:43,761 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-09 23:09:43,761 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2018-11-09 23:09:43,762 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-09 23:09:43,762 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-09 23:09:43,762 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-09 23:09:43,763 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-09 23:09:43,763 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-09 23:09:43,771 INFO L793 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~mem1, main_#t~post0, main_#t~mem2, main_#t~mem3, main_~#A~0.base, main_~#A~0.offset, main_~#B~0.base, main_~#B~0.offset, main_~i~0, main_~tmp~0;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 8192;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_~#A~0.base, main_~#A~0.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 8192;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_~#B~0.base, main_~#B~0.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;havoc main_~i~0;havoc main_~tmp~0;main_~i~0 := 0; 9#L13-3true [2018-11-09 23:09:43,771 INFO L795 eck$LassoCheckResult]: Loop: 9#L13-3true assume true; 12#L13-1true assume !!(main_~i~0 < 2048); 17#L14true SUMMARY for call main_#t~mem1 := read~int(main_~#A~0.base, main_~#A~0.offset + main_~i~0 * 4, 4); srcloc: L14 14#L14-1true main_~tmp~0 := main_#t~mem1;havoc main_#t~mem1; 3#L15true SUMMARY for call write~int(main_~tmp~0, main_~#B~0.base, main_~#B~0.offset + main_~i~0 * 4, 4); srcloc: L15 18#L15-1true main_#t~post0 := main_~i~0;main_~i~0 := main_#t~post0 + 1;havoc main_#t~post0; 9#L13-3true [2018-11-09 23:09:43,775 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:09:43,775 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-09 23:09:43,776 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:09:43,777 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:09:43,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:09:43,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:09:43,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:09:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:09:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:09:43,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:09:43,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1069807753, now seen corresponding path program 1 times [2018-11-09 23:09:43,846 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:09:43,846 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:09:43,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:09:43,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:09:43,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:09:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:09:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:09:43,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:09:43,871 INFO L82 PathProgramCache]: Analyzing trace with hash 149856971, now seen corresponding path program 1 times [2018-11-09 23:09:43,871 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 23:09:43,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 23:09:43,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:09:43,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 23:09:43,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 23:09:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:09:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:09:44,085 INFO L214 LassoAnalysis]: Preferences: [2018-11-09 23:09:44,086 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-09 23:09:44,086 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-09 23:09:44,086 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-09 23:09:44,086 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-09 23:09:44,086 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-09 23:09:44,087 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-09 23:09:44,087 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-09 23:09:44,087 INFO L131 ssoRankerPreferences]: Filename of dumped script: array_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-09 23:09:44,087 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-09 23:09:44,087 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-09 23:09:44,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:09:44,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:09:44,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:09:44,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:09:44,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:09:44,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:09:44,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:09:44,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-09 23:09:44,578 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-09 23:09:44,581 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-09 23:09:44,583 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 [2018-11-09 23:09:44,584 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:09:44,584 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-09 23:09:44,584 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:09:44,585 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-09 23:09:44,585 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:09:44,586 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-09 23:09:44,586 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-09 23:09:44,588 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-09 23:09:44,588 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 [2018-11-09 23:09:44,589 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:09:44,589 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-09 23:09:44,589 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:09:44,589 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-09 23:09:44,589 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:09:44,589 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-09 23:09:44,589 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-09 23:09:44,590 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-09 23:09:44,590 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 [2018-11-09 23:09:44,591 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:09:44,591 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-09 23:09:44,591 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:09:44,591 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-09 23:09:44,591 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:09:44,592 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-09 23:09:44,592 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-09 23:09:44,593 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-09 23:09:44,594 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 [2018-11-09 23:09:44,594 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:09:44,595 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:09:44,595 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-09 23:09:44,595 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:09:44,597 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-09 23:09:44,597 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-09 23:09:44,602 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-09 23:09:44,603 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 [2018-11-09 23:09:44,603 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-09 23:09:44,604 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-09 23:09:44,604 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-09 23:09:44,604 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-09 23:09:44,610 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-09 23:09:44,610 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-09 23:09:44,656 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-09 23:09:44,683 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-09 23:09:44,683 INFO L444 ModelExtractionUtils]: 23 out of 28 variables were initially zero. Simplification set additionally 2 variables to zero. [2018-11-09 23:09:44,686 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-09 23:09:44,688 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-09 23:09:44,688 INFO L517 LassoAnalysis]: Proved termination. [2018-11-09 23:09:44,689 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 4095 Supporting invariants [] [2018-11-09 23:09:44,725 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2018-11-09 23:09:44,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:09:44,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:09:44,751 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 23:09:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:09:44,763 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 23:09:44,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:09:44,790 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 [2018-11-09 23:09:44,791 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 4 states. [2018-11-09 23:09:44,830 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 4 states. Result 41 states and 45 transitions. Complement of second has 7 states. [2018-11-09 23:09:44,830 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 [2018-11-09 23:09:44,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-09 23:09:44,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2018-11-09 23:09:44,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 6 letters. [2018-11-09 23:09:44,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-09 23:09:44,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 8 letters. Loop has 6 letters. [2018-11-09 23:09:44,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-09 23:09:44,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 12 letters. [2018-11-09 23:09:44,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-09 23:09:44,836 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 45 transitions. [2018-11-09 23:09:44,838 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-09 23:09:44,840 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2018-11-09 23:09:44,840 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-09 23:09:44,841 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-09 23:09:44,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-09 23:09:44,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-09 23:09:44,841 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-09 23:09:44,842 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-09 23:09:44,842 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-09 23:09:44,842 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-09 23:09:44,842 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-09 23:09:44,842 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-09 23:09:44,842 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-09 23:09:44,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 11:09:44 BoogieIcfgContainer [2018-11-09 23:09:44,846 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-09 23:09:44,847 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-09 23:09:44,847 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-09 23:09:44,847 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-09 23:09:44,847 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:09:43" (3/4) ... [2018-11-09 23:09:44,849 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-09 23:09:44,850 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-09 23:09:44,850 INFO L168 Benchmark]: Toolchain (without parser) took 1573.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 960.3 MB in the beginning and 958.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 143.3 MB. Max. memory is 11.5 GB. [2018-11-09 23:09:44,851 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-11-09 23:09:44,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 131.13 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-09 23:09:44,853 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.62 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 945.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2018-11-09 23:09:44,853 INFO L168 Benchmark]: Boogie Preprocessor took 14.51 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:09:44,853 INFO L168 Benchmark]: RCFGBuilder took 219.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -180.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-11-09 23:09:44,854 INFO L168 Benchmark]: BuchiAutomizer took 1178.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 958.0 MB in the end (delta: 168.6 MB). Peak memory consumption was 168.6 MB. Max. memory is 11.5 GB. [2018-11-09 23:09:44,855 INFO L168 Benchmark]: Witness Printer took 2.94 ms. Allocated memory is still 1.2 GB. Free memory is still 958.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:09:44,857 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 131.13 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.62 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 945.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.51 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 219.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -180.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1178.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 958.0 MB in the end (delta: 168.6 MB). Peak memory consumption was 168.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.94 ms. Allocated memory is still 1.2 GB. Free memory is still 958.0 MB. 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 * i + 4095 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. 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: 12 SDtfs, 14 SDslu, 19 SDs, 0 SdLazy, 10 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital152 mio100 ax100 hnf100 lsp96 ukn96 mio100 lsp56 div100 bol100 ite100 ukn100 eq178 hnf69 smp100 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 8ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...