./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/MenloPark.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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-crafted/MenloPark.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 6dae4b60aa9efa1955ef5fbb576e87a787ed072bbe9c11eb4417a5220402d102 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 14:12:11,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 14:12:11,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 14:12:12,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 14:12:12,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 14:12:12,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 14:12:12,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 14:12:12,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 14:12:12,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 14:12:12,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 14:12:12,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 14:12:12,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 14:12:12,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 14:12:12,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 14:12:12,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 14:12:12,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 14:12:12,030 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 14:12:12,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 14:12:12,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 14:12:12,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 14:12:12,038 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 14:12:12,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 14:12:12,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 14:12:12,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 14:12:12,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 14:12:12,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 14:12:12,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 14:12:12,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 14:12:12,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 14:12:12,047 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 14:12:12,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 14:12:12,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 14:12:12,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 14:12:12,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 14:12:12,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 14:12:12,051 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 14:12:12,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 14:12:12,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 14:12:12,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 14:12:12,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 14:12:12,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 14:12:12,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 14:12:12,055 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-23 14:12:12,078 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 14:12:12,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 14:12:12,079 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 14:12:12,079 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 14:12:12,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 14:12:12,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 14:12:12,081 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 14:12:12,081 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 14:12:12,081 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 14:12:12,081 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 14:12:12,082 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 14:12:12,082 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 14:12:12,082 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 14:12:12,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 14:12:12,082 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 14:12:12,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 14:12:12,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 14:12:12,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 14:12:12,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 14:12:12,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 14:12:12,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 14:12:12,084 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 14:12:12,084 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 14:12:12,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 14:12:12,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 14:12:12,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 14:12:12,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 14:12:12,085 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 14:12:12,086 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 14:12:12,086 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dae4b60aa9efa1955ef5fbb576e87a787ed072bbe9c11eb4417a5220402d102 [2022-07-23 14:12:12,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 14:12:12,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 14:12:12,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 14:12:12,319 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 14:12:12,319 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 14:12:12,320 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/MenloPark.c [2022-07-23 14:12:12,368 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74ff26ad7/b970d3f38ff3445e86f479c628a5bf0a/FLAG8fdf4c3c1 [2022-07-23 14:12:12,674 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 14:12:12,674 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/MenloPark.c [2022-07-23 14:12:12,679 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74ff26ad7/b970d3f38ff3445e86f479c628a5bf0a/FLAG8fdf4c3c1 [2022-07-23 14:12:13,102 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74ff26ad7/b970d3f38ff3445e86f479c628a5bf0a [2022-07-23 14:12:13,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 14:12:13,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 14:12:13,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 14:12:13,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 14:12:13,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 14:12:13,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:12:13" (1/1) ... [2022-07-23 14:12:13,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31422606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:12:13, skipping insertion in model container [2022-07-23 14:12:13,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:12:13" (1/1) ... [2022-07-23 14:12:13,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 14:12:13,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 14:12:13,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 14:12:13,239 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 14:12:13,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 14:12:13,257 INFO L208 MainTranslator]: Completed translation [2022-07-23 14:12:13,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:12:13 WrapperNode [2022-07-23 14:12:13,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 14:12:13,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 14:12:13,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 14:12:13,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 14:12:13,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:12:13" (1/1) ... [2022-07-23 14:12:13,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:12:13" (1/1) ... [2022-07-23 14:12:13,279 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2022-07-23 14:12:13,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 14:12:13,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 14:12:13,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 14:12:13,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 14:12:13,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:12:13" (1/1) ... [2022-07-23 14:12:13,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:12:13" (1/1) ... [2022-07-23 14:12:13,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:12:13" (1/1) ... [2022-07-23 14:12:13,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:12:13" (1/1) ... [2022-07-23 14:12:13,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:12:13" (1/1) ... [2022-07-23 14:12:13,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:12:13" (1/1) ... [2022-07-23 14:12:13,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:12:13" (1/1) ... [2022-07-23 14:12:13,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 14:12:13,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 14:12:13,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 14:12:13,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 14:12:13,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:12:13" (1/1) ... [2022-07-23 14:12:13,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:13,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:13,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:12:13,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-23 14:12:13,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 14:12:13,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 14:12:13,398 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 14:12:13,400 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 14:12:13,462 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 14:12:13,466 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 14:12:13,467 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 14:12:13,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:12:13 BoogieIcfgContainer [2022-07-23 14:12:13,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 14:12:13,470 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 14:12:13,470 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 14:12:13,472 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 14:12:13,472 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:12:13,473 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 02:12:13" (1/3) ... [2022-07-23 14:12:13,474 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f1fe511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 02:12:13, skipping insertion in model container [2022-07-23 14:12:13,474 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:12:13,474 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:12:13" (2/3) ... [2022-07-23 14:12:13,474 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f1fe511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 02:12:13, skipping insertion in model container [2022-07-23 14:12:13,474 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:12:13,474 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:12:13" (3/3) ... [2022-07-23 14:12:13,476 INFO L354 chiAutomizerObserver]: Analyzing ICFG MenloPark.c [2022-07-23 14:12:13,522 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 14:12:13,523 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 14:12:13,523 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 14:12:13,523 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 14:12:13,523 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 14:12:13,523 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 14:12:13,523 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 14:12:13,524 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 14:12:13,527 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:12:13,542 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-07-23 14:12:13,542 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:12:13,542 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:12:13,546 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-23 14:12:13,546 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-23 14:12:13,546 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 14:12:13,547 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:12:13,547 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-07-23 14:12:13,547 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:12:13,547 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:12:13,548 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-23 14:12:13,548 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-23 14:12:13,552 INFO L752 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 100;main_~z~0#1 := 1; 7#L22-2true [2022-07-23 14:12:13,553 INFO L754 eck$LassoCheckResult]: Loop: 7#L22-2true assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~y~0#1 := main_~y~0#1 - main_~z~0#1;main_~z~0#1 := -main_~z~0#1; 7#L22-2true [2022-07-23 14:12:13,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:12:13,558 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-07-23 14:12:13,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:12:13,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590445669] [2022-07-23 14:12:13,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:12:13,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:12:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:13,621 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:12:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:13,645 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:12:13,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:12:13,650 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2022-07-23 14:12:13,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:12:13,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533912526] [2022-07-23 14:12:13,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:12:13,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:12:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:13,667 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:12:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:13,676 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:12:13,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:12:13,683 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-07-23 14:12:13,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:12:13,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865352075] [2022-07-23 14:12:13,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:12:13,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:12:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:13,696 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:12:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:12:13,707 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:12:13,781 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:12:13,782 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:12:13,782 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:12:13,782 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:12:13,782 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-23 14:12:13,782 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:13,782 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:12:13,783 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:12:13,783 INFO L133 ssoRankerPreferences]: Filename of dumped script: MenloPark.c_Iteration1_Lasso [2022-07-23 14:12:13,783 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:12:13,783 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:12:13,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:13,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:13,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:13,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:13,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:13,925 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:12:13,926 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-23 14:12:13,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:13,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:13,929 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:12:13,947 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 14:12:13,947 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:12:13,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-23 14:12:13,962 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-23 14:12:13,962 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: [] [2022-07-23 14:12:13,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-07-23 14:12:13,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:13,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:13,980 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:12:13,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-23 14:12:13,982 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 14:12:13,982 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:12:13,995 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-23 14:12:13,995 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: [] [2022-07-23 14:12:14,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-07-23 14:12:14,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:14,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:14,012 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:12:14,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-23 14:12:14,017 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 14:12:14,017 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:12:14,038 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-23 14:12:14,038 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-23 14:12:14,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:14,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:14,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:14,056 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:12:14,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-23 14:12:14,058 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 14:12:14,058 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:12:14,073 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-23 14:12:14,074 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-23 14:12:14,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:14,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:14,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:14,091 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:12:14,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-23 14:12:14,096 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 14:12:14,096 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:12:14,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:14,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:14,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:14,134 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:12:14,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-23 14:12:14,136 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-23 14:12:14,136 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:12:14,172 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-23 14:12:14,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:14,176 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:12:14,176 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:12:14,176 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:12:14,176 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:12:14,176 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 14:12:14,176 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:14,176 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:12:14,176 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:12:14,177 INFO L133 ssoRankerPreferences]: Filename of dumped script: MenloPark.c_Iteration1_Lasso [2022-07-23 14:12:14,177 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:12:14,177 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:12:14,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:14,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:14,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:14,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:14,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:12:14,264 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:12:14,268 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 14:12:14,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:14,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:14,270 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:12:14,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-23 14:12:14,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:12:14,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:14,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:14,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:14,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:12:14,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:12:14,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:12:14,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:14,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:14,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:14,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:14,324 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:12:14,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-23 14:12:14,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:12:14,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:14,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:14,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:14,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:14,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:12:14,334 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:12:14,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:14,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:14,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:14,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:14,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:14,375 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:12:14,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-23 14:12:14,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:12:14,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:14,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:14,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:14,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:12:14,390 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:12:14,390 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:12:14,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:14,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-07-23 14:12:14,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:14,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:14,426 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:12:14,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-23 14:12:14,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:12:14,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:14,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:14,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:14,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:14,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:12:14,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:12:14,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:14,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:14,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:14,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:14,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:14,455 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:12:14,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-23 14:12:14,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:12:14,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:14,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:14,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:14,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:12:14,469 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:12:14,469 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:12:14,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:14,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-07-23 14:12:14,499 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-07-23 14:12:14,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:14,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:14,500 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:12:14,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-23 14:12:14,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:12:14,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:14,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:14,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:14,512 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:12:14,518 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-07-23 14:12:14,518 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-07-23 14:12:14,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:14,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:14,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:14,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:14,565 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:12:14,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-23 14:12:14,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:12:14,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:14,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:14,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:14,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:14,575 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:12:14,575 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-23 14:12:14,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:14,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:14,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:14,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:14,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:14,605 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:12:14,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-23 14:12:14,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:12:14,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:14,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:14,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:14,615 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:12:14,617 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-07-23 14:12:14,618 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-07-23 14:12:14,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:14,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:14,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:14,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:14,662 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:12:14,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-23 14:12:14,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:12:14,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:14,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:12:14,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:14,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:14,671 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:12:14,672 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-07-23 14:12:14,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:12:14,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:12:14,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:14,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:14,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:14,698 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:12:14,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-23 14:12:14,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:12:14,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:12:14,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:12:14,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:12:14,707 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-07-23 14:12:14,713 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-07-23 14:12:14,713 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-07-23 14:12:14,729 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 14:12:14,742 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-07-23 14:12:14,742 INFO L444 ModelExtractionUtils]: 8 out of 21 variables were initially zero. Simplification set additionally 2 variables to zero. [2022-07-23 14:12:14,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:12:14,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:12:14,745 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:12:14,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-23 14:12:14,748 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 14:12:14,767 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 3. [2022-07-23 14:12:14,767 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 14:12:14,768 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 4*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~z~0#1 f1 = 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [2*ULTIMATE.start_main_~y~0#1 - 1*ULTIMATE.start_main_~z~0#1 - 199 >= 0] [2022-07-23 14:12:14,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:14,813 INFO L293 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-07-23 14:12:14,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:12:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:12:14,871 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 14:12:14,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:12:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:12:14,885 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-23 14:12:14,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:12:14,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:12:14,912 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 [2022-07-23 14:12:14,913 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:12:14,980 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 19 transitions. Complement of second has 5 states. [2022-07-23 14:12:14,981 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 [2022-07-23 14:12:14,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:12:14,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2022-07-23 14:12:14,990 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 1 letters. [2022-07-23 14:12:14,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:12:14,990 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 1 letters. [2022-07-23 14:12:14,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:12:14,990 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. [2022-07-23 14:12:14,991 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:12:14,991 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2022-07-23 14:12:14,994 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 14:12:14,996 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2022-07-23 14:12:14,997 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-23 14:12:14,997 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-23 14:12:14,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-23 14:12:14,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 14:12:14,997 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 14:12:14,998 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 14:12:14,998 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 14:12:14,998 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 14:12:14,998 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-23 14:12:14,998 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 14:12:14,998 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-23 14:12:15,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.07 02:12:15 BoogieIcfgContainer [2022-07-23 14:12:15,003 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-23 14:12:15,004 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 14:12:15,004 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 14:12:15,004 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 14:12:15,004 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:12:13" (3/4) ... [2022-07-23 14:12:15,006 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-23 14:12:15,006 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 14:12:15,007 INFO L158 Benchmark]: Toolchain (without parser) took 1902.34ms. Allocated memory was 111.1MB in the beginning and 140.5MB in the end (delta: 29.4MB). Free memory was 84.6MB in the beginning and 74.3MB in the end (delta: 10.3MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2022-07-23 14:12:15,007 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 111.1MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 14:12:15,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 151.34ms. Allocated memory is still 111.1MB. Free memory was 84.3MB in the beginning and 88.9MB in the end (delta: -4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-23 14:12:15,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.58ms. Allocated memory is still 111.1MB. Free memory was 88.9MB in the beginning and 87.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 14:12:15,008 INFO L158 Benchmark]: Boogie Preprocessor took 11.40ms. Allocated memory is still 111.1MB. Free memory was 87.7MB in the beginning and 86.8MB in the end (delta: 886.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 14:12:15,009 INFO L158 Benchmark]: RCFGBuilder took 176.05ms. Allocated memory is still 111.1MB. Free memory was 86.8MB in the beginning and 79.0MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-23 14:12:15,009 INFO L158 Benchmark]: BuchiAutomizer took 1533.54ms. Allocated memory was 111.1MB in the beginning and 140.5MB in the end (delta: 29.4MB). Free memory was 78.7MB in the beginning and 74.3MB in the end (delta: 4.5MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2022-07-23 14:12:15,009 INFO L158 Benchmark]: Witness Printer took 2.75ms. Allocated memory is still 140.5MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 14:12:15,011 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 111.1MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 151.34ms. Allocated memory is still 111.1MB. Free memory was 84.3MB in the beginning and 88.9MB in the end (delta: -4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.58ms. Allocated memory is still 111.1MB. Free memory was 88.9MB in the beginning and 87.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.40ms. Allocated memory is still 111.1MB. Free memory was 87.7MB in the beginning and 86.8MB in the end (delta: 886.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 176.05ms. Allocated memory is still 111.1MB. Free memory was 86.8MB in the beginning and 79.0MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1533.54ms. Allocated memory was 111.1MB in the beginning and 140.5MB in the end (delta: 29.4MB). Free memory was 78.7MB in the beginning and 74.3MB in the end (delta: 4.5MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * Witness Printer took 2.75ms. Allocated memory is still 140.5MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * 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 -1 * z + 4 * x > 0 then 1 else 0), (if -1 * z + 4 * x > 0 then -1 * z + 4 * x else 2 * x + 1) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 5 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital29 mio100 ax141 hnf100 lsp70 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq200 hnf91 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-23 14:12:15,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-23 14:12:15,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE