./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Singapore-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2f093938-e889-4de6-9937-ed5946cefa71/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2f093938-e889-4de6-9937-ed5946cefa71/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2f093938-e889-4de6-9937-ed5946cefa71/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2f093938-e889-4de6-9937-ed5946cefa71/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Singapore-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2f093938-e889-4de6-9937-ed5946cefa71/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2f093938-e889-4de6-9937-ed5946cefa71/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 8798031d313d45f01361b1d24672bc4cca6c5157 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:30:54,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:30:54,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:30:54,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:30:54,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:30:54,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:30:54,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:30:54,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:30:54,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:30:54,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:30:54,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:30:54,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:30:54,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:30:54,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:30:54,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:30:54,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:30:54,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:30:54,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:30:54,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:30:54,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:30:54,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:30:54,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:30:54,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:30:54,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:30:54,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:30:54,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:30:54,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:30:54,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:30:54,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:30:54,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:30:54,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:30:54,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:30:54,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:30:54,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:30:54,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:30:54,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:30:54,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:30:54,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:30:54,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:30:54,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:30:54,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:30:54,442 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2f093938-e889-4de6-9937-ed5946cefa71/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-16 00:30:54,459 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:30:54,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:30:54,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:30:54,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:30:54,461 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:30:54,462 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-16 00:30:54,462 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-16 00:30:54,462 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-16 00:30:54,462 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-16 00:30:54,462 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-16 00:30:54,463 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-16 00:30:54,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:30:54,463 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 00:30:54,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:30:54,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:30:54,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-16 00:30:54,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-16 00:30:54,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-16 00:30:54,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:30:54,465 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-16 00:30:54,465 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:30:54,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-16 00:30:54,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:30:54,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:30:54,466 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-16 00:30:54,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:30:54,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:30:54,467 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-16 00:30:54,468 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-16 00:30:54,468 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_2f093938-e889-4de6-9937-ed5946cefa71/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 -> 8798031d313d45f01361b1d24672bc4cca6c5157 [2019-11-16 00:30:54,495 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:30:54,506 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:30:54,509 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:30:54,511 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:30:54,511 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:30:54,512 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2f093938-e889-4de6-9937-ed5946cefa71/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Singapore-2.c [2019-11-16 00:30:54,569 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2f093938-e889-4de6-9937-ed5946cefa71/bin/uautomizer/data/179abe21a/4971eb9a4645404eb708bb784042fadb/FLAGdf504fb28 [2019-11-16 00:30:54,922 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:30:54,922 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2f093938-e889-4de6-9937-ed5946cefa71/sv-benchmarks/c/termination-crafted/Singapore-2.c [2019-11-16 00:30:54,928 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2f093938-e889-4de6-9937-ed5946cefa71/bin/uautomizer/data/179abe21a/4971eb9a4645404eb708bb784042fadb/FLAGdf504fb28 [2019-11-16 00:30:55,312 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2f093938-e889-4de6-9937-ed5946cefa71/bin/uautomizer/data/179abe21a/4971eb9a4645404eb708bb784042fadb [2019-11-16 00:30:55,315 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:30:55,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:30:55,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:30:55,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:30:55,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:30:55,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:30:55" (1/1) ... [2019-11-16 00:30:55,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b4d7fa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:55, skipping insertion in model container [2019-11-16 00:30:55,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:30:55" (1/1) ... [2019-11-16 00:30:55,345 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:30:55,366 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:30:55,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:30:55,586 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:30:55,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:30:55,710 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:30:55,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:55 WrapperNode [2019-11-16 00:30:55,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:30:55,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:30:55,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:30:55,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:30:55,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:55" (1/1) ... [2019-11-16 00:30:55,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:55" (1/1) ... [2019-11-16 00:30:55,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:30:55,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:30:55,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:30:55,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:30:55,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:55" (1/1) ... [2019-11-16 00:30:55,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:55" (1/1) ... [2019-11-16 00:30:55,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:55" (1/1) ... [2019-11-16 00:30:55,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:55" (1/1) ... [2019-11-16 00:30:55,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:55" (1/1) ... [2019-11-16 00:30:55,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:55" (1/1) ... [2019-11-16 00:30:55,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:55" (1/1) ... [2019-11-16 00:30:55,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:30:55,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:30:55,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:30:55,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:30:55,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f093938-e889-4de6-9937-ed5946cefa71/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 [2019-11-16 00:30:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:30:55,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:30:55,988 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:30:55,988 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-16 00:30:55,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:30:55 BoogieIcfgContainer [2019-11-16 00:30:55,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:30:55,990 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-16 00:30:55,990 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-16 00:30:55,994 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-16 00:30:55,995 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:30:55,996 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:30:55" (1/3) ... [2019-11-16 00:30:55,997 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e4b6a32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:30:55, skipping insertion in model container [2019-11-16 00:30:55,997 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:30:55,998 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:55" (2/3) ... [2019-11-16 00:30:55,998 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e4b6a32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:30:55, skipping insertion in model container [2019-11-16 00:30:55,999 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:30:55,999 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:30:55" (3/3) ... [2019-11-16 00:30:56,001 INFO L371 chiAutomizerObserver]: Analyzing ICFG Singapore-2.c [2019-11-16 00:30:56,094 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-16 00:30:56,095 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-16 00:30:56,095 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-16 00:30:56,095 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:30:56,095 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:30:56,095 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-16 00:30:56,096 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:30:56,096 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-16 00:30:56,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-11-16 00:30:56,133 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-16 00:30:56,133 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:30:56,134 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:30:56,141 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-16 00:30:56,141 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-16 00:30:56,141 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-16 00:30:56,141 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-11-16 00:30:56,143 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-16 00:30:56,143 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:30:56,143 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:30:56,144 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-16 00:30:56,144 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-16 00:30:56,153 INFO L791 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 4#L17true assume !!(-65535 <= main_~x~0 && main_~x~0 <= 65535); 6#L18true assume !!(-65535 <= main_~y~0 && main_~y~0 <= 65535); 10#L19true assume main_~x~0 + main_~y~0 <= 0; 7#L20-2true [2019-11-16 00:30:56,153 INFO L793 eck$LassoCheckResult]: Loop: 7#L20-2true assume !!(main_~x~0 > 0);main_~x~0 := main_~x~0 + main_~x~0 + main_~y~0;main_~y~0 := main_~y~0 - 1; 7#L20-2true [2019-11-16 00:30:56,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:30:56,159 INFO L82 PathProgramCache]: Analyzing trace with hash 959433, now seen corresponding path program 1 times [2019-11-16 00:30:56,168 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:30:56,168 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506783492] [2019-11-16 00:30:56,169 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:30:56,169 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:30:56,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:30:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:30:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:30:56,280 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:30:56,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:30:56,281 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 1 times [2019-11-16 00:30:56,282 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:30:56,282 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908571841] [2019-11-16 00:30:56,282 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:30:56,282 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:30:56,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:30:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:30:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:30:56,298 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:30:56,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:30:56,299 INFO L82 PathProgramCache]: Analyzing trace with hash 29742446, now seen corresponding path program 1 times [2019-11-16 00:30:56,299 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:30:56,300 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475424252] [2019-11-16 00:30:56,300 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:30:56,300 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:30:56,300 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:30:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:30:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:30:56,319 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:30:56,375 INFO L210 LassoAnalysis]: Preferences: [2019-11-16 00:30:56,375 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-16 00:30:56,375 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-16 00:30:56,375 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-16 00:30:56,376 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-16 00:30:56,376 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:30:56,376 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-16 00:30:56,376 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-16 00:30:56,376 INFO L131 ssoRankerPreferences]: Filename of dumped script: Singapore-2.c_Iteration1_Loop [2019-11-16 00:30:56,376 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-16 00:30:56,377 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-16 00:30:56,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:30:56,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:30:56,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:30:56,523 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-16 00:30:56,524 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f093938-e889-4de6-9937-ed5946cefa71/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) [2019-11-16 00:30:56,538 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:30:56,538 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:30:56,545 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-16 00:30:56,546 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_2f093938-e889-4de6-9937-ed5946cefa71/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 [2019-11-16 00:30:56,553 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:30:56,553 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-16 00:30:56,561 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-16 00:30:56,561 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_2f093938-e889-4de6-9937-ed5946cefa71/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 [2019-11-16 00:30:56,576 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:30:56,576 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f093938-e889-4de6-9937-ed5946cefa71/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 [2019-11-16 00:30:56,598 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-16 00:30:56,598 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-16 00:30:56,649 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-16 00:30:56,649 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=5, ULTIMATE.start_main_~x~0=14} Honda state: {ULTIMATE.start_main_~y~0=5, ULTIMATE.start_main_~x~0=14} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=-1, ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=14}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=4}] Lambdas: [1, 2, 2] Nus: [0, 0] [2019-11-16 00:30:56,716 INFO L210 LassoAnalysis]: Preferences: [2019-11-16 00:30:56,716 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-16 00:30:56,716 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-16 00:30:56,716 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-16 00:30:56,716 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-16 00:30:56,716 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:30:56,716 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-16 00:30:56,717 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-16 00:30:56,717 INFO L131 ssoRankerPreferences]: Filename of dumped script: Singapore-2.c_Iteration1_Lasso [2019-11-16 00:30:56,717 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-16 00:30:56,717 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-16 00:30:56,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:30:56,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:30:56,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:30:56,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:30:56,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:30:56,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:30:56,877 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-16 00:30:56,877 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f093938-e889-4de6-9937-ed5946cefa71/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) [2019-11-16 00:30:56,882 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:30:56,883 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:30:56,889 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-16 00:30:56,889 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f093938-e889-4de6-9937-ed5946cefa71/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) [2019-11-16 00:30:56,901 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:30:56,902 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:30:56,907 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-16 00:30:56,907 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f093938-e889-4de6-9937-ed5946cefa71/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) [2019-11-16 00:30:56,933 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:30:56,933 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:30:56,942 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-16 00:30:56,942 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f093938-e889-4de6-9937-ed5946cefa71/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-16 00:30:56,956 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:30:56,956 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:30:56,961 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-16 00:30:56,961 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f093938-e889-4de6-9937-ed5946cefa71/bin/uautomizer/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:30:56,979 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-16 00:30:56,979 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f093938-e889-4de6-9937-ed5946cefa71/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-16 00:30:57,003 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-16 00:30:57,003 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:31:01,756 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-16 00:31:01,759 INFO L210 LassoAnalysis]: Preferences: [2019-11-16 00:31:01,760 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-16 00:31:01,760 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-16 00:31:01,760 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-16 00:31:01,760 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-16 00:31:01,760 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:31:01,760 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-16 00:31:01,760 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-16 00:31:01,760 INFO L131 ssoRankerPreferences]: Filename of dumped script: Singapore-2.c_Iteration1_Lasso [2019-11-16 00:31:01,760 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-16 00:31:01,761 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-16 00:31:01,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:31:01,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:31:01,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:31:01,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:31:01,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:31:01,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:31:01,903 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-16 00:31:01,908 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-16 00:31:01,911 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 [2019-11-16 00:31:01,914 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:31:01,915 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:31:01,915 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:31:01,915 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:31:01,920 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-16 00:31:01,921 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-16 00:31:01,940 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:31:01,941 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 [2019-11-16 00:31:01,941 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:31:01,941 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:31:01,942 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:31:01,942 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:31:01,942 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:31:01,943 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:31:01,943 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:31:01,944 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:31:01,944 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 [2019-11-16 00:31:01,953 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:31:01,953 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:31:01,953 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:31:01,954 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:31:01,954 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:31:01,954 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:31:01,955 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:31:01,956 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:31:01,957 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 [2019-11-16 00:31:01,958 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:31:01,958 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:31:01,958 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:31:01,958 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:31:01,958 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:31:01,959 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:31:01,959 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:31:01,962 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:31:01,962 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 [2019-11-16 00:31:01,964 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:31:01,964 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:31:01,964 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:31:01,964 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:31:01,968 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-16 00:31:01,968 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-16 00:31:01,992 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:31:01,992 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 [2019-11-16 00:31:01,993 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:31:01,993 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:31:01,993 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:31:01,994 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:31:01,999 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-16 00:31:01,999 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-16 00:31:02,157 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:31:02,159 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-11-16 00:31:02,159 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 [2019-11-16 00:31:02,160 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:31:02,161 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:31:02,161 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:31:02,161 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-16 00:31:02,169 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-16 00:31:02,169 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-16 00:31:02,179 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:31:02,182 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 [2019-11-16 00:31:02,183 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:31:02,184 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:31:02,187 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:31:02,187 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:31:02,188 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-16 00:31:02,188 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-16 00:31:02,190 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:31:02,191 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:31:02,192 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 [2019-11-16 00:31:02,192 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:31:02,193 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:31:02,193 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:31:02,194 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:31:02,194 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-16 00:31:02,194 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-16 00:31:02,195 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:31:02,195 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:31:02,196 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 [2019-11-16 00:31:02,198 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:31:02,198 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:31:02,199 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:31:02,199 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:31:02,199 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-16 00:31:02,200 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-16 00:31:02,200 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:31:02,201 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:31:02,202 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 [2019-11-16 00:31:02,203 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:31:02,203 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:31:02,203 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:31:02,204 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-16 00:31:02,209 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-16 00:31:02,210 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-16 00:31:02,218 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:31:02,221 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 [2019-11-16 00:31:02,226 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:31:02,227 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:31:02,227 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:31:02,227 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-16 00:31:02,236 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-16 00:31:02,238 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-16 00:31:02,834 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-16 00:31:02,978 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2019-11-16 00:31:02,978 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2019-11-16 00:31:02,987 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-16 00:31:02,991 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 3. [2019-11-16 00:31:02,992 INFO L510 LassoAnalysis]: Proved termination. [2019-11-16 00:31:02,993 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 3*ULTIMATE.start_main_~x~0 + 2*ULTIMATE.start_main_~y~0 f1 = 2*ULTIMATE.start_main_~x~0 Supporting invariants [-1*ULTIMATE.start_main_~y~0 - 1*ULTIMATE.start_main_~x~0 >= 0] [2019-11-16 00:31:03,000 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-11-16 00:31:03,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:31:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:31:03,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-16 00:31:03,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:31:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:31:03,092 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-16 00:31:03,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:31:03,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:31:03,108 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 [2019-11-16 00:31:03,110 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 2 states. [2019-11-16 00:31:03,230 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 2 states. Result 22 states and 27 transitions. Complement of second has 5 states. [2019-11-16 00:31:03,232 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 [2019-11-16 00:31:03,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-16 00:31:03,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2019-11-16 00:31:03,235 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 1 letters. [2019-11-16 00:31:03,237 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:31:03,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 1 letters. [2019-11-16 00:31:03,238 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:31:03,238 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-16 00:31:03,238 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:31:03,239 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. [2019-11-16 00:31:03,244 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-16 00:31:03,247 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2019-11-16 00:31:03,249 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-16 00:31:03,249 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-16 00:31:03,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-16 00:31:03,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-16 00:31:03,250 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:31:03,250 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:31:03,250 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:31:03,250 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-16 00:31:03,250 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:31:03,251 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-16 00:31:03,251 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-16 00:31:03,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:31:03 BoogieIcfgContainer [2019-11-16 00:31:03,257 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-16 00:31:03,257 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:31:03,257 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:31:03,258 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:31:03,258 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:30:55" (3/4) ... [2019-11-16 00:31:03,264 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-16 00:31:03,264 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:31:03,268 INFO L168 Benchmark]: Toolchain (without parser) took 7949.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 946.5 MB in the beginning and 1.1 GB in the end (delta: -113.9 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2019-11-16 00:31:03,269 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:31:03,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 946.5 MB in the beginning and 1.1 GB in the end (delta: -184.6 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-16 00:31:03,271 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.03 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. [2019-11-16 00:31:03,271 INFO L168 Benchmark]: Boogie Preprocessor took 18.98 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. [2019-11-16 00:31:03,272 INFO L168 Benchmark]: RCFGBuilder took 220.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:31:03,273 INFO L168 Benchmark]: BuchiAutomizer took 7266.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.7 MB). Peak memory consumption was 49.7 MB. Max. memory is 11.5 GB. [2019-11-16 00:31:03,274 INFO L168 Benchmark]: Witness Printer took 7.23 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. [2019-11-16 00:31:03,281 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 387.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 946.5 MB in the beginning and 1.1 GB in the end (delta: -184.6 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.03 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. * Boogie Preprocessor took 18.98 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. * RCFGBuilder took 220.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7266.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.7 MB). Peak memory consumption was 49.7 MB. Max. memory is 11.5 GB. * Witness Printer took 7.23 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 2-nested ranking function (if 3 * x + 2 * y > 0 then 1 else 0), (if 3 * x + 2 * y > 0 then 3 * x + 2 * y else 2 * x) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 6.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 13 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax148 hnf100 lsp68 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq156 hnf94 smp100 dnf100 smp100 tf102 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 19ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 4.9s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...