./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/b.03-no-inv_assume.c --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-restricted-15/b.03-no-inv_assume.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 ad36718ab6ddfc340244cb30213fb3686e8ccacf .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:31:16,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:31:16,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:31:16,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:31:16,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:31:16,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:31:16,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:31:16,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:31:16,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:31:16,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:31:16,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:31:16,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:31:16,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:31:16,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:31:16,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:31:16,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:31:16,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:31:16,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:31:16,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:31:16,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:31:16,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:31:16,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:31:16,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:31:16,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:31:16,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:31:16,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:31:16,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:31:16,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:31:16,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:31:16,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:31:16,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:31:16,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:31:16,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:31:16,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:31:16,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:31:16,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:31:16,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:31:16,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:31:16,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:31:16,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:31:16,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:31:16,478 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:31:16,495 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:31:16,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:31:16,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:31:16,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:31:16,497 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:31:16,497 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:31:16,497 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:31:16,497 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:31:16,498 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:31:16,498 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:31:16,498 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:31:16,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:31:16,498 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:31:16,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:31:16,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:31:16,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:31:16,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:31:16,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:31:16,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:31:16,500 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:31:16,500 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:31:16,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:31:16,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:31:16,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:31:16,501 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:31:16,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:31:16,501 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:31:16,502 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:31:16,502 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:31:16,503 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:31:16,503 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> ad36718ab6ddfc340244cb30213fb3686e8ccacf [2020-07-29 01:31:16,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:31:16,881 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:31:16,887 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:31:16,891 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:31:16,891 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:31:16,892 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/b.03-no-inv_assume.c [2020-07-29 01:31:16,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f61ee85c/954edd9dc48d4d05b99e922f9659e6cf/FLAG2f7a5d158 [2020-07-29 01:31:17,458 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:31:17,458 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/b.03-no-inv_assume.c [2020-07-29 01:31:17,463 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f61ee85c/954edd9dc48d4d05b99e922f9659e6cf/FLAG2f7a5d158 [2020-07-29 01:31:17,818 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f61ee85c/954edd9dc48d4d05b99e922f9659e6cf [2020-07-29 01:31:17,821 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:31:17,825 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:31:17,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:31:17,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:31:17,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:31:17,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:31:17" (1/1) ... [2020-07-29 01:31:17,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15e9b38a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:31:17, skipping insertion in model container [2020-07-29 01:31:17,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:31:17" (1/1) ... [2020-07-29 01:31:17,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:31:17,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:31:18,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:31:18,030 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:31:18,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:31:18,062 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:31:18,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:31:18 WrapperNode [2020-07-29 01:31:18,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:31:18,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:31:18,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:31:18,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:31:18,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:31:18" (1/1) ... [2020-07-29 01:31:18,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:31:18" (1/1) ... [2020-07-29 01:31:18,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:31:18,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:31:18,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:31:18,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:31:18,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:31:18" (1/1) ... [2020-07-29 01:31:18,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:31:18" (1/1) ... [2020-07-29 01:31:18,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:31:18" (1/1) ... [2020-07-29 01:31:18,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:31:18" (1/1) ... [2020-07-29 01:31:18,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:31:18" (1/1) ... [2020-07-29 01:31:18,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:31:18" (1/1) ... [2020-07-29 01:31:18,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:31:18" (1/1) ... [2020-07-29 01:31:18,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:31:18,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:31:18,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:31:18,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:31:18,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:31:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:31:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:31:18,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:31:18,449 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:31:18,449 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-29 01:31:18,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:31:18 BoogieIcfgContainer [2020-07-29 01:31:18,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:31:18,453 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:31:18,453 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:31:18,457 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:31:18,458 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:31:18,458 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:31:17" (1/3) ... [2020-07-29 01:31:18,459 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@521a28c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:31:18, skipping insertion in model container [2020-07-29 01:31:18,460 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:31:18,460 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:31:18" (2/3) ... [2020-07-29 01:31:18,460 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@521a28c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:31:18, skipping insertion in model container [2020-07-29 01:31:18,460 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:31:18,460 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:31:18" (3/3) ... [2020-07-29 01:31:18,462 INFO L371 chiAutomizerObserver]: Analyzing ICFG b.03-no-inv_assume.c [2020-07-29 01:31:18,516 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:31:18,516 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:31:18,516 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:31:18,517 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:31:18,517 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:31:18,517 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:31:18,517 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:31:18,517 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:31:18,530 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-07-29 01:31:18,556 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:31:18,557 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:31:18,557 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:31:18,568 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 01:31:18,568 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 01:31:18,568 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:31:18,568 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-07-29 01:31:18,571 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:31:18,572 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:31:18,572 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:31:18,572 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 01:31:18,572 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 01:31:18,585 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 9#L9true assume main_~x~0 > 0; 5#L10-2true [2020-07-29 01:31:18,586 INFO L796 eck$LassoCheckResult]: Loop: 5#L10-2true assume !!(main_~x~0 > main_~y~0 && main_~y~0 <= 2147483647 - main_~x~0);main_~y~0 := main_~y~0 + main_~x~0; 5#L10-2true [2020-07-29 01:31:18,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:31:18,594 INFO L82 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2020-07-29 01:31:18,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:31:18,608 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942486983] [2020-07-29 01:31:18,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:31:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:31:18,696 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:31:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:31:18,701 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:31:18,714 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:31:18,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:31:18,716 INFO L82 PathProgramCache]: Analyzing trace with hash 44, now seen corresponding path program 1 times [2020-07-29 01:31:18,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:31:18,717 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005689125] [2020-07-29 01:31:18,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:31:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:31:18,732 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:31:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:31:18,739 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:31:18,741 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:31:18,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:31:18,743 INFO L82 PathProgramCache]: Analyzing trace with hash 30889, now seen corresponding path program 1 times [2020-07-29 01:31:18,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:31:18,743 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615709477] [2020-07-29 01:31:18,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:31:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:31:18,750 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:31:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:31:18,756 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:31:18,758 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:31:18,901 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:31:18,902 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:31:18,903 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:31:18,903 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:31:18,903 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 01:31:18,903 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:31:18,903 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:31:18,904 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:31:18,904 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.03-no-inv_assume.c_Iteration1_Lasso [2020-07-29 01:31:18,904 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:31:18,904 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:31:18,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:31:18,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:31:18,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:31:18,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:31:18,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:31:18,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:31:19,207 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:31:19,209 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:31:19,215 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:31:19,216 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 [2020-07-29 01:31:19,224 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:31:19,224 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:31:19,270 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:31:19,270 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:31:19,275 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:31:19,275 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:31:19,318 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:31:19,318 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:31:19,323 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:31:19,323 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:31:19,362 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:31:19,362 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:31:19,368 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:31:19,368 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:31:19,404 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:31:19,405 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 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:31:19,451 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 01:31:19,452 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 [2020-07-29 01:31:19,499 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 01:31:19,502 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:31:19,503 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:31:19,505 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:31:19,505 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:31:19,505 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:31:19,505 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:31:19,505 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:31:19,506 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:31:19,506 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.03-no-inv_assume.c_Iteration1_Lasso [2020-07-29 01:31:19,506 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:31:19,506 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:31:19,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:31:19,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:31:19,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:31:19,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:31:19,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:31:19,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:31:19,741 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:31:19,747 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:31:19,760 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 [2020-07-29 01:31:19,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:31:19,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:31:19,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:31:19,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:31:19,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:31:19,771 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:31:19,777 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:31:19,804 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 [2020-07-29 01:31:19,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:31:19,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:31:19,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:31:19,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:31:19,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:31:19,808 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:31:19,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:31:19,816 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:31:19,841 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 [2020-07-29 01:31:19,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:31:19,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:31:19,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:31:19,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:31:19,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:31:19,845 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:31:19,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:31:19,852 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:31:19,876 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 [2020-07-29 01:31:19,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:31:19,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:31:19,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:31:19,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:31:19,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:31:19,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:31:19,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:31:19,882 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:31:19,916 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 [2020-07-29 01:31:19,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:31:19,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:31:19,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:31:19,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:31:19,925 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:31:19,925 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:31:19,934 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:31:19,948 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-07-29 01:31:19,948 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:31:19,954 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 01:31:19,960 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-07-29 01:31:19,961 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:31:19,962 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~x~0 - 1*ULTIMATE.start_main_~y~0 Supporting invariants [1*ULTIMATE.start_main_~x~0 - 1 >= 0] [2020-07-29 01:31:20,002 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-07-29 01:31:20,007 INFO L393 LassoCheck]: Loop: "assume !!(main_~x~0 > main_~y~0 && main_~y~0 <= 2147483647 - main_~x~0);main_~y~0 := main_~y~0 + main_~x~0;" [2020-07-29 01:31:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:31:20,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:31:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:31:20,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-29 01:31:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:31:20,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:31:20,091 INFO L280 TraceCheckUtils]: 0: Hoare triple {17#unseeded} 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; {17#unseeded} is VALID [2020-07-29 01:31:20,093 INFO L280 TraceCheckUtils]: 1: Hoare triple {17#unseeded} assume main_~x~0 > 0; {36#(and (>= (+ ULTIMATE.start_main_~x~0 (- 1)) 0) unseeded)} is VALID [2020-07-29 01:31:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:31:20,099 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-29 01:31:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:31:20,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:31:20,106 INFO L280 TraceCheckUtils]: 0: Hoare triple {37#(and (>= oldRank0 (+ ULTIMATE.start_main_~x~0 (* (- 1) ULTIMATE.start_main_~y~0))) (>= (+ ULTIMATE.start_main_~x~0 (- 1)) 0))} assume !!(main_~x~0 > main_~y~0 && main_~y~0 <= 2147483647 - main_~x~0);main_~y~0 := main_~y~0 + main_~x~0; {39#(and (or (and (>= oldRank0 0) (> oldRank0 (+ ULTIMATE.start_main_~x~0 (* (- 1) ULTIMATE.start_main_~y~0)))) unseeded) (>= (+ ULTIMATE.start_main_~x~0 (- 1)) 0))} is VALID [2020-07-29 01:31:20,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:31:20,119 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-29 01:31:20,130 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:31:20,133 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:31:20,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,142 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 [2020-07-29 01:31:20,144 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 2 states. [2020-07-29 01:31:20,251 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states.. Second operand 2 states. Result 20 states and 23 transitions. Complement of second has 5 states. [2020-07-29 01:31:20,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-29 01:31:20,252 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:31:20,252 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-07-29 01:31:20,253 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:31:20,254 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:31:20,254 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:31:20,254 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-29 01:31:20,258 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-07-29 01:31:20,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:31:20,259 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:31:20,259 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2020-07-29 01:31:20,260 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:31:20,261 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:31:20,263 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 7 states. [2020-07-29 01:31:20,265 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:31:20,265 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 01:31:20,265 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 2 states. [2020-07-29 01:31:20,267 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-07-29 01:31:20,268 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:31:20,268 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 20 states and 23 transitions. cyclomatic complexity: 4 [2020-07-29 01:31:20,268 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. cyclomatic complexity: 4 [2020-07-29 01:31:20,268 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:31:20,269 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 01:31:20,269 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:31:20,269 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,269 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:31:20,269 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,270 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 4 Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:31:20,270 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,270 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:31:20,270 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,270 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:31:20,271 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,271 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:31:20,271 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,271 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states. Stem has 20 letters. Loop has 20 letters. [2020-07-29 01:31:20,271 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 20 letters. Loop has 20 letters. [2020-07-29 01:31:20,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 4 Stem has 20 letters. Loop has 20 letters. [2020-07-29 01:31:20,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states. Stem has 7 letters. Loop has 7 letters. [2020-07-29 01:31:20,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 7 letters. Loop has 7 letters. [2020-07-29 01:31:20,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 4 Stem has 7 letters. Loop has 7 letters. [2020-07-29 01:31:20,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,274 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:31:20,274 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,274 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:31:20,274 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,274 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 4 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:31:20,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:31:20,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:31:20,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 4 Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:31:20,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:31:20,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,277 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:31:20,277 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,277 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 4 Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:31:20,277 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,277 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:31:20,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:31:20,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 23 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:31:20,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,278 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:31:20,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-29 01:31:20,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2020-07-29 01:31:20,282 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:31:20,282 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,283 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 3 letters. Loop has 1 letters. [2020-07-29 01:31:20,283 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,283 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:31:20,283 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:31:20,284 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. cyclomatic complexity: 4 [2020-07-29 01:31:20,288 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:31:20,294 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2020-07-29 01:31:20,296 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 01:31:20,296 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 01:31:20,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 01:31:20,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 01:31:20,297 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:31:20,298 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:31:20,298 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:31:20,298 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 01:31:20,298 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 01:31:20,298 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:31:20,298 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:31:20,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:31:20 BoogieIcfgContainer [2020-07-29 01:31:20,310 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:31:20,311 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:31:20,311 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:31:20,311 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:31:20,312 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:31:18" (3/4) ... [2020-07-29 01:31:20,316 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:31:20,316 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:31:20,321 INFO L168 Benchmark]: Toolchain (without parser) took 2495.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 952.2 MB in the beginning and 882.4 MB in the end (delta: 69.8 MB). Peak memory consumption was 166.3 MB. Max. memory is 11.5 GB. [2020-07-29 01:31:20,322 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:31:20,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.64 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:31:20,323 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.34 ms. Allocated memory is still 1.0 GB. Free memory is still 941.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:31:20,325 INFO L168 Benchmark]: Boogie Preprocessor took 74.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -151.1 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2020-07-29 01:31:20,326 INFO L168 Benchmark]: RCFGBuilder took 278.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2020-07-29 01:31:20,331 INFO L168 Benchmark]: BuchiAutomizer took 1856.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 882.4 MB in the end (delta: 192.1 MB). Peak memory consumption was 192.1 MB. Max. memory is 11.5 GB. [2020-07-29 01:31:20,332 INFO L168 Benchmark]: Witness Printer took 5.67 ms. Allocated memory is still 1.1 GB. Free memory is still 882.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:31:20,343 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 236.64 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.34 ms. Allocated memory is still 1.0 GB. Free memory is still 941.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 74.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -151.1 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 278.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1856.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 882.4 MB in the end (delta: 192.1 MB). Peak memory consumption was 192.1 MB. Max. memory is 11.5 GB. * Witness Printer took 5.67 ms. Allocated memory is still 1.1 GB. Free memory is still 882.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x + -1 * y and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. 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: 9 SDtfs, 9 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: inital17 mio100 ax176 hnf100 lsp56 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq135 hnf95 smp100 dnf100 smp100 tf100 neg100 sie118 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...