./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.05.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_afa10711-dde4-4ee7-806c-2d02a4f3c41c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_afa10711-dde4-4ee7-806c-2d02a4f3c41c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_afa10711-dde4-4ee7-806c-2d02a4f3c41c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_afa10711-dde4-4ee7-806c-2d02a4f3c41c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.05.c -s /tmp/vcloud-vcloud-master/worker/run_dir_afa10711-dde4-4ee7-806c-2d02a4f3c41c/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_afa10711-dde4-4ee7-806c-2d02a4f3c41c/bin/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 64bit --witnessprinter.graph.data.programhash 6f61032228cbbddb57774f1eddb2895cade0e780 ..................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:56:32,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:56:32,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:56:32,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:56:32,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:56:32,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:56:32,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:56:32,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:56:32,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:56:32,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:56:32,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:56:32,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:56:32,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:56:32,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:56:32,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:56:32,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:56:32,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:56:32,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:56:32,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:56:32,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:56:32,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:56:32,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:56:32,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:56:32,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:56:32,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:56:32,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:56:32,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:56:32,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:56:32,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:56:32,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:56:32,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:56:32,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:56:32,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:56:32,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:56:32,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:56:32,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:56:32,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:56:32,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:56:32,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:56:32,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:56:32,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:56:32,473 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_afa10711-dde4-4ee7-806c-2d02a4f3c41c/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-25 08:56:32,492 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:56:32,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:56:32,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:56:32,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:56:32,495 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:56:32,495 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:56:32,495 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:56:32,496 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:56:32,496 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:56:32,496 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:56:32,497 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:56:32,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:56:32,497 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:56:32,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:56:32,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:56:32,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:56:32,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:56:32,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:56:32,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:56:32,499 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:56:32,499 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:56:32,499 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:56:32,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:56:32,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:56:32,500 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:56:32,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:56:32,500 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:56:32,501 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:56:32,502 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:56:32,502 INFO L138 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/run_dir_afa10711-dde4-4ee7-806c-2d02a4f3c41c/bin/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f61032228cbbddb57774f1eddb2895cade0e780 [2019-11-25 08:56:32,681 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:56:32,690 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:56:32,693 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:56:32,694 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:56:32,694 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:56:32,695 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_afa10711-dde4-4ee7-806c-2d02a4f3c41c/bin/uautomizer/../../sv-benchmarks/c/termination-restricted-15/b.05.c [2019-11-25 08:56:32,742 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_afa10711-dde4-4ee7-806c-2d02a4f3c41c/bin/uautomizer/data/8807acb58/305b9871cfba40239190373c6ce5ff1f/FLAGcdfac8278 [2019-11-25 08:56:33,080 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:56:33,081 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_afa10711-dde4-4ee7-806c-2d02a4f3c41c/sv-benchmarks/c/termination-restricted-15/b.05.c [2019-11-25 08:56:33,086 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_afa10711-dde4-4ee7-806c-2d02a4f3c41c/bin/uautomizer/data/8807acb58/305b9871cfba40239190373c6ce5ff1f/FLAGcdfac8278 [2019-11-25 08:56:33,491 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_afa10711-dde4-4ee7-806c-2d02a4f3c41c/bin/uautomizer/data/8807acb58/305b9871cfba40239190373c6ce5ff1f [2019-11-25 08:56:33,495 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:56:33,496 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:56:33,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:56:33,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:56:33,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:56:33,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:56:33" (1/1) ... [2019-11-25 08:56:33,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@551f2460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:33, skipping insertion in model container [2019-11-25 08:56:33,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:56:33" (1/1) ... [2019-11-25 08:56:33,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:56:33,529 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:56:33,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:56:33,698 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:56:33,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:56:33,786 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:56:33,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:33 WrapperNode [2019-11-25 08:56:33,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:56:33,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:56:33,788 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:56:33,788 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:56:33,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:33" (1/1) ... [2019-11-25 08:56:33,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:33" (1/1) ... [2019-11-25 08:56:33,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:56:33,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:56:33,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:56:33,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:56:33,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:33" (1/1) ... [2019-11-25 08:56:33,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:33" (1/1) ... [2019-11-25 08:56:33,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:33" (1/1) ... [2019-11-25 08:56:33,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:33" (1/1) ... [2019-11-25 08:56:33,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:33" (1/1) ... [2019-11-25 08:56:33,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:33" (1/1) ... [2019-11-25 08:56:33,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:33" (1/1) ... [2019-11-25 08:56:33,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:56:33,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:56:33,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:56:33,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:56:33,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afa10711-dde4-4ee7-806c-2d02a4f3c41c/bin/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 [2019-11-25 08:56:33,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:56:33,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:56:34,032 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:56:34,032 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-25 08:56:34,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:56:34 BoogieIcfgContainer [2019-11-25 08:56:34,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:56:34,035 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:56:34,035 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:56:34,038 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:56:34,039 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:56:34,039 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:56:33" (1/3) ... [2019-11-25 08:56:34,040 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7324b456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:56:34, skipping insertion in model container [2019-11-25 08:56:34,040 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:56:34,040 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:33" (2/3) ... [2019-11-25 08:56:34,040 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7324b456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:56:34, skipping insertion in model container [2019-11-25 08:56:34,041 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:56:34,041 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:56:34" (3/3) ... [2019-11-25 08:56:34,042 INFO L371 chiAutomizerObserver]: Analyzing ICFG b.05.c [2019-11-25 08:56:34,093 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:56:34,093 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:56:34,093 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:56:34,093 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:56:34,093 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:56:34,094 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:56:34,094 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:56:34,094 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:56:34,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-11-25 08:56:34,129 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-25 08:56:34,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:56:34,130 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:56:34,135 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-25 08:56:34,135 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-25 08:56:34,135 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:56:34,136 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-11-25 08:56:34,136 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-25 08:56:34,136 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:56:34,137 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:56:34,137 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-25 08:56:34,137 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-25 08:56:34,144 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~tmp~0;havoc main_~x~0;havoc main_~tmp~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~tmp~0 := main_#t~nondet1;havoc main_#t~nondet1; 5#L9-2true [2019-11-25 08:56:34,144 INFO L796 eck$LassoCheckResult]: Loop: 5#L9-2true assume !!(((main_~x~0 > 0 && main_~tmp~0 < 1073741824) && -1073741824 < main_~tmp~0) && main_~x~0 == 2 * main_~tmp~0);main_~x~0 := main_~x~0 - 1;main_~tmp~0 := main_#t~nondet2;havoc main_#t~nondet2; 5#L9-2true [2019-11-25 08:56:34,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:34,150 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-25 08:56:34,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:34,158 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852569320] [2019-11-25 08:56:34,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:56:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:56:34,246 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:56:34,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:34,247 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-11-25 08:56:34,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:34,248 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205490111] [2019-11-25 08:56:34,248 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:56:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:56:34,269 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:56:34,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:34,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-11-25 08:56:34,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:34,271 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474582947] [2019-11-25 08:56:34,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:56:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:56:34,284 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:56:34,363 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:56:34,363 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:56:34,363 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:56:34,364 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:56:34,364 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-25 08:56:34,364 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:56:34,364 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:56:34,364 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:56:34,364 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.05.c_Iteration1_Loop [2019-11-25 08:56:34,364 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:56:34,365 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:56:34,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:56:34,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:56:34,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:56:34,558 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:56:34,559 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afa10711-dde4-4ee7-806c-2d02a4f3c41c/bin/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 [2019-11-25 08:56:34,569 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:56:34,569 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:56:34,579 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:56:34,579 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afa10711-dde4-4ee7-806c-2d02a4f3c41c/bin/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 [2019-11-25 08:56:34,597 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:56:34,598 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:56:34,602 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:56:34,602 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afa10711-dde4-4ee7-806c-2d02a4f3c41c/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:56:34,617 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:56:34,617 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afa10711-dde4-4ee7-806c-2d02a4f3c41c/bin/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 [2019-11-25 08:56:34,633 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:56:34,634 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:56:34,650 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-25 08:56:34,651 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:56:34,652 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:56:34,652 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:56:34,652 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:56:34,652 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:56:34,652 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:56:34,652 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:56:34,652 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:56:34,652 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.05.c_Iteration1_Loop [2019-11-25 08:56:34,652 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:56:34,653 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:56:34,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:56:34,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:56:34,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:56:34,800 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:56:34,804 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afa10711-dde4-4ee7-806c-2d02a4f3c41c/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:56:34,822 INFO L120 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 [2019-11-25 08:56:34,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:56:34,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:56:34,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:56:34,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:56:34,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:56:34,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:56:34,843 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afa10711-dde4-4ee7-806c-2d02a4f3c41c/bin/uautomizer/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:56:34,853 INFO L120 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 [2019-11-25 08:56:34,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:56:34,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:56:34,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:56:34,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:56:34,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:56:34,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:56:34,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:56:34,868 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:56:34,889 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-25 08:56:34,889 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afa10711-dde4-4ee7-806c-2d02a4f3c41c/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:56:34,893 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:56:34,894 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-25 08:56:34,894 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:56:34,894 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:56:34,899 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-25 08:56:34,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:56:34,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:56:34,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:56:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:56:34,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:56:34,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:56:34,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:56:34,957 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 [2019-11-25 08:56:34,958 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states. Second operand 2 states. [2019-11-25 08:56:34,991 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states.. Second operand 2 states. Result 15 states and 18 transitions. Complement of second has 5 states. [2019-11-25 08:56:34,992 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 [2019-11-25 08:56:34,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-25 08:56:34,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2019-11-25 08:56:34,995 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 1 letters. [2019-11-25 08:56:34,995 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:56:34,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2019-11-25 08:56:34,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:56:34,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2019-11-25 08:56:34,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:56:34,997 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2019-11-25 08:56:34,999 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:56:35,001 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2019-11-25 08:56:35,002 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:56:35,003 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:56:35,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:56:35,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:56:35,003 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:56:35,003 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:56:35,004 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:56:35,004 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:56:35,004 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:56:35,004 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:56:35,004 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:56:35,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:56:35 BoogieIcfgContainer [2019-11-25 08:56:35,010 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:56:35,010 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:56:35,010 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:56:35,010 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:56:35,011 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:56:34" (3/4) ... [2019-11-25 08:56:35,014 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:56:35,014 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:56:35,016 INFO L168 Benchmark]: Toolchain (without parser) took 1519.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.9 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -131.6 MB). Peak memory consumption was 72.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:35,016 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:56:35,017 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.9 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -248.0 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:35,017 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:56:35,018 INFO L168 Benchmark]: Boogie Preprocessor took 14.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:56:35,018 INFO L168 Benchmark]: RCFGBuilder took 202.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:35,019 INFO L168 Benchmark]: BuchiAutomizer took 975.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 99.9 MB). Peak memory consumption was 99.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:35,019 INFO L168 Benchmark]: Witness Printer took 3.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:56:35,022 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 287.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.9 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -248.0 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 202.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 975.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 99.9 MB). Peak memory consumption was 99.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. 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: 4 SDtfs, 4 SDslu, 3 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: inital21 mio100 ax157 hnf100 lsp63 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq176 hnf91 smp100 dnf100 smp100 tf105 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 37ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...