./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/b.11.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-restricted-15/b.11.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 5b4c99d0b33a566b40cf4365ddd1611945e8961cf9631a2c233f1ae25de30e8d --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 14:19:45,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 14:19:45,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 14:19:45,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 14:19:45,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 14:19:45,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 14:19:45,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 14:19:45,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 14:19:45,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 14:19:45,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 14:19:45,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 14:19:45,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 14:19:45,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 14:19:46,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 14:19:46,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 14:19:46,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 14:19:46,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 14:19:46,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 14:19:46,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 14:19:46,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 14:19:46,017 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 14:19:46,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 14:19:46,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 14:19:46,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 14:19:46,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 14:19:46,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 14:19:46,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 14:19:46,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 14:19:46,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 14:19:46,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 14:19:46,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 14:19:46,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 14:19:46,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 14:19:46,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 14:19:46,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 14:19:46,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 14:19:46,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 14:19:46,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 14:19:46,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 14:19:46,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 14:19:46,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 14:19:46,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 14:19:46,046 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-23 14:19:46,074 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 14:19:46,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 14:19:46,075 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 14:19:46,076 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 14:19:46,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 14:19:46,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 14:19:46,079 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 14:19:46,079 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 14:19:46,079 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 14:19:46,080 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 14:19:46,080 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 14:19:46,081 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 14:19:46,081 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 14:19:46,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 14:19:46,081 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 14:19:46,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 14:19:46,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 14:19:46,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 14:19:46,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 14:19:46,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 14:19:46,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 14:19:46,084 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 14:19:46,084 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 14:19:46,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 14:19:46,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 14:19:46,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 14:19:46,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 14:19:46,085 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 14:19:46,086 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 14:19:46,086 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b4c99d0b33a566b40cf4365ddd1611945e8961cf9631a2c233f1ae25de30e8d [2022-07-23 14:19:46,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 14:19:46,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 14:19:46,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 14:19:46,317 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 14:19:46,318 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 14:19:46,319 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/b.11.c [2022-07-23 14:19:46,372 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d385a1f5/c6e2414620b240948dda9c5a164f769a/FLAGac006850e [2022-07-23 14:19:46,774 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 14:19:46,774 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/b.11.c [2022-07-23 14:19:46,779 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d385a1f5/c6e2414620b240948dda9c5a164f769a/FLAGac006850e [2022-07-23 14:19:46,793 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d385a1f5/c6e2414620b240948dda9c5a164f769a [2022-07-23 14:19:46,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 14:19:46,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 14:19:46,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 14:19:46,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 14:19:46,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 14:19:46,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:19:46" (1/1) ... [2022-07-23 14:19:46,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@533669dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:19:46, skipping insertion in model container [2022-07-23 14:19:46,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:19:46" (1/1) ... [2022-07-23 14:19:46,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 14:19:46,822 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 14:19:46,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 14:19:46,937 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 14:19:46,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 14:19:46,958 INFO L208 MainTranslator]: Completed translation [2022-07-23 14:19:46,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:19:46 WrapperNode [2022-07-23 14:19:46,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 14:19:46,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 14:19:46,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 14:19:46,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 14:19:46,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:19:46" (1/1) ... [2022-07-23 14:19:46,970 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:19:46" (1/1) ... [2022-07-23 14:19:46,983 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-07-23 14:19:46,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 14:19:46,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 14:19:46,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 14:19:46,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 14:19:46,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:19:46" (1/1) ... [2022-07-23 14:19:46,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:19:46" (1/1) ... [2022-07-23 14:19:46,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:19:46" (1/1) ... [2022-07-23 14:19:46,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:19:46" (1/1) ... [2022-07-23 14:19:46,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:19:46" (1/1) ... [2022-07-23 14:19:46,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:19:46" (1/1) ... [2022-07-23 14:19:46,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:19:46" (1/1) ... [2022-07-23 14:19:46,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 14:19:47,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 14:19:47,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 14:19:47,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 14:19:47,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:19:46" (1/1) ... [2022-07-23 14:19:47,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:19:47,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:19:47,037 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 14:19:47,039 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 14:19:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 14:19:47,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 14:19:47,106 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 14:19:47,107 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 14:19:47,173 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 14:19:47,178 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 14:19:47,178 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 14:19:47,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:19:47 BoogieIcfgContainer [2022-07-23 14:19:47,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 14:19:47,181 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 14:19:47,181 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 14:19:47,183 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 14:19:47,184 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:19:47,184 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 02:19:46" (1/3) ... [2022-07-23 14:19:47,185 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6514a1a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 02:19:47, skipping insertion in model container [2022-07-23 14:19:47,185 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:19:47,185 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:19:46" (2/3) ... [2022-07-23 14:19:47,186 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6514a1a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 02:19:47, skipping insertion in model container [2022-07-23 14:19:47,186 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:19:47,186 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:19:47" (3/3) ... [2022-07-23 14:19:47,187 INFO L354 chiAutomizerObserver]: Analyzing ICFG b.11.c [2022-07-23 14:19:47,229 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 14:19:47,229 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 14:19:47,230 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 14:19:47,230 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 14:19:47,230 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 14:19:47,230 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 14:19:47,230 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 14:19:47,230 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 14:19:47,233 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 14:19:47,246 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-23 14:19:47,246 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:19:47,246 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:19:47,252 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-23 14:19:47,252 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 14:19:47,252 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 14:19:47,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 14:19:47,254 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-23 14:19:47,254 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:19:47,254 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:19:47,254 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-23 14:19:47,254 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 14:19:47,260 INFO L752 eck$LassoCheckResult]: Stem: 4#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_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 8#L15-2true [2022-07-23 14:19:47,260 INFO L754 eck$LassoCheckResult]: Loop: 8#L15-2true assume !!(((main_~x~0#1 >= 0 && main_~y~0#1 < 2147483647 - main_~x~0#1) || (main_~x~0#1 < 0 && main_~y~0#1 > -2147483648 - main_~x~0#1)) && main_~x~0#1 + main_~y~0#1 > 0); 9#L12true assume main_~x~0#1 > main_~y~0#1;main_~x~0#1 := main_~x~0#1 - 1; 8#L15-2true [2022-07-23 14:19:47,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:19:47,265 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-07-23 14:19:47,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:19:47,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812862583] [2022-07-23 14:19:47,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:19:47,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:19:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:19:47,352 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:19:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:19:47,389 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:19:47,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:19:47,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 1 times [2022-07-23 14:19:47,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:19:47,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333340153] [2022-07-23 14:19:47,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:19:47,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:19:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:19:47,412 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:19:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:19:47,430 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:19:47,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:19:47,432 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2022-07-23 14:19:47,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:19:47,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672625444] [2022-07-23 14:19:47,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:19:47,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:19:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:19:47,448 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:19:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:19:47,460 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:19:47,564 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:19:47,564 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:19:47,564 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:19:47,565 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:19:47,565 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-23 14:19:47,565 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:19:47,565 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:19:47,565 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:19:47,565 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.11.c_Iteration1_Loop [2022-07-23 14:19:47,565 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:19:47,566 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:19:47,578 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 14:19:47,598 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 14:19:47,602 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 14:19:47,680 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:19:47,680 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-23 14:19:47,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:19:47,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:19:47,685 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 14:19:47,688 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 14:19:47,689 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:19:47,705 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 14:19:47,722 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-23 14:19:47,723 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 14:19:47,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-23 14:19:47,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:19:47,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:19:47,751 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 14:19:47,753 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 14:19:47,754 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 14:19:47,754 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:19:47,781 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-23 14:19:47,781 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 14:19:47,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-23 14:19:47,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:19:47,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:19:47,808 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 14:19:47,810 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 14:19:47,811 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 14:19:47,812 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:19:47,859 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 14:19:47,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:19:47,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:19:47,861 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 14:19:47,869 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 14:19:47,870 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-23 14:19:47,870 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:19:47,919 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-23 14:19:47,927 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 14:19:47,927 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:19:47,927 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:19:47,927 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:19:47,927 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:19:47,928 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 14:19:47,928 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:19:47,928 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:19:47,928 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:19:47,928 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.11.c_Iteration1_Loop [2022-07-23 14:19:47,928 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:19:47,928 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:19:47,930 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 14:19:47,939 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 14:19:47,947 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 14:19:48,017 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:19:48,022 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 14:19:48,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:19:48,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:19:48,031 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 14:19:48,033 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 14:19:48,034 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 14:19:48,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:19:48,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:19:48,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:19:48,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:19:48,050 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:19:48,051 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:19:48,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:19:48,091 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 14:19:48,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:19:48,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:19:48,093 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 14:19:48,094 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 14:19:48,095 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 14:19:48,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:19:48,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:19:48,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:19:48,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:19:48,111 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:19:48,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:19:48,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:19:48,148 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 14:19:48,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:19:48,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:19:48,149 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 14:19:48,150 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 14:19:48,153 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 14:19:48,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:19:48,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:19:48,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:19:48,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:19:48,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:19:48,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:19:48,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:19:48,179 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 14:19:48,186 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-23 14:19:48,186 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. [2022-07-23 14:19:48,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:19:48,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:19:48,240 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 14:19:48,241 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 14:19:48,242 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 14:19:48,242 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-23 14:19:48,242 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 14:19:48,243 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2022-07-23 14:19:48,258 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 14:19:48,261 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-23 14:19:48,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:19:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:19:48,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 14:19:48,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:19:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:19:48,318 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-23 14:19:48,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:19:48,332 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 14:19:48,371 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-23 14:19:48,373 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 14:19:48,435 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 24 states and 34 transitions. Complement of second has 7 states. [2022-07-23 14:19:48,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-23 14:19:48,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 14:19:48,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2022-07-23 14:19:48,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 2 letters. [2022-07-23 14:19:48,445 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:19:48,445 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-23 14:19:48,445 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:19:48,445 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 4 letters. [2022-07-23 14:19:48,445 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:19:48,446 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 34 transitions. [2022-07-23 14:19:48,448 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-23 14:19:48,451 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 11 states and 15 transitions. [2022-07-23 14:19:48,452 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-07-23 14:19:48,452 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-07-23 14:19:48,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 15 transitions. [2022-07-23 14:19:48,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 14:19:48,453 INFO L369 hiAutomatonCegarLoop]: Abstraction has 11 states and 15 transitions. [2022-07-23 14:19:48,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 15 transitions. [2022-07-23 14:19:48,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2022-07-23 14:19:48,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 9 states have internal predecessors, (14), 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 14:19:48,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 14 transitions. [2022-07-23 14:19:48,473 INFO L392 hiAutomatonCegarLoop]: Abstraction has 10 states and 14 transitions. [2022-07-23 14:19:48,473 INFO L374 stractBuchiCegarLoop]: Abstraction has 10 states and 14 transitions. [2022-07-23 14:19:48,473 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 14:19:48,473 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 14 transitions. [2022-07-23 14:19:48,474 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-23 14:19:48,474 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:19:48,474 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:19:48,474 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-23 14:19:48,474 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-23 14:19:48,475 INFO L752 eck$LassoCheckResult]: Stem: 72#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 73#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 79#L15-2 assume !!(((main_~x~0#1 >= 0 && main_~y~0#1 < 2147483647 - main_~x~0#1) || (main_~x~0#1 < 0 && main_~y~0#1 > -2147483648 - main_~x~0#1)) && main_~x~0#1 + main_~y~0#1 > 0); 80#L12 [2022-07-23 14:19:48,475 INFO L754 eck$LassoCheckResult]: Loop: 80#L12 assume !(main_~x~0#1 > main_~y~0#1); 74#L15 assume !(main_~x~0#1 == main_~y~0#1);main_~y~0#1 := main_~y~0#1 - 1; 75#L15-2 assume !!(((main_~x~0#1 >= 0 && main_~y~0#1 < 2147483647 - main_~x~0#1) || (main_~x~0#1 < 0 && main_~y~0#1 > -2147483648 - main_~x~0#1)) && main_~x~0#1 + main_~y~0#1 > 0); 80#L12 [2022-07-23 14:19:48,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:19:48,475 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-07-23 14:19:48,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:19:48,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241859546] [2022-07-23 14:19:48,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:19:48,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:19:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:19:48,481 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:19:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:19:48,485 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:19:48,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:19:48,486 INFO L85 PathProgramCache]: Analyzing trace with hash 45829, now seen corresponding path program 1 times [2022-07-23 14:19:48,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:19:48,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372654922] [2022-07-23 14:19:48,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:19:48,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:19:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:19:48,497 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:19:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:19:48,502 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:19:48,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:19:48,503 INFO L85 PathProgramCache]: Analyzing trace with hash 889694462, now seen corresponding path program 1 times [2022-07-23 14:19:48,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:19:48,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920664990] [2022-07-23 14:19:48,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:19:48,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:19:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:19:48,513 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:19:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:19:48,520 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:19:48,572 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:19:48,572 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:19:48,572 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:19:48,572 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:19:48,572 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-23 14:19:48,572 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:19:48,573 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:19:48,573 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:19:48,573 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.11.c_Iteration2_Loop [2022-07-23 14:19:48,573 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:19:48,573 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:19:48,574 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 14:19:48,577 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 14:19:48,580 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 14:19:48,704 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:19:48,704 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-23 14:19:48,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:19:48,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:19:48,708 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 14:19:48,718 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 14:19:48,718 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 14:19:48,719 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:19:48,746 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-23 14:19:48,746 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-23 14:19:48,770 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 14:19:48,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:19:48,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:19:48,772 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 14:19:48,772 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 14:19:48,773 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 14:19:48,773 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:19:48,785 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-23 14:19:48,785 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-23 14:19:48,801 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 14:19:48,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:19:48,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:19:48,802 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 14:19:48,803 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 14:19:48,804 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 14:19:48,804 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:19:48,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-23 14:19:48,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:19:48,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:19:48,854 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 14:19:48,855 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 14:19:48,857 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-23 14:19:48,857 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 14:19:48,883 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-23 14:19:48,887 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 14:19:48,888 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:19:48,888 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:19:48,888 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:19:48,888 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:19:48,888 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 14:19:48,888 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:19:48,888 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:19:48,888 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:19:48,888 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.11.c_Iteration2_Loop [2022-07-23 14:19:48,888 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:19:48,888 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:19:48,889 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 14:19:48,892 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 14:19:48,895 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 14:19:49,006 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:19:49,007 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 14:19:49,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:19:49,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:19:49,008 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 14:19:49,009 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 14:19:49,011 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 14:19:49,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:19:49,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:19:49,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:19:49,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:19:49,021 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:19:49,021 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:19:49,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:19:49,054 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 14:19:49,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:19:49,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:19:49,055 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 14:19:49,056 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 14:19:49,057 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 14:19:49,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:19:49,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:19:49,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:19:49,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:19:49,067 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:19:49,067 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:19:49,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:19:49,092 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 14:19:49,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:19:49,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:19:49,093 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 14:19:49,094 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 14:19:49,095 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 14:19:49,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:19:49,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:19:49,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:19:49,102 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-23 14:19:49,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:19:49,104 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 14:19:49,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:19:49,111 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 14:19:49,114 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-23 14:19:49,114 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-23 14:19:49,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:19:49,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:19:49,116 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 14:19:49,117 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 14:19:49,118 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 14:19:49,118 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-23 14:19:49,118 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 14:19:49,118 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2022-07-23 14:19:49,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-07-23 14:19:49,136 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-23 14:19:49,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:19:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:19:49,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 14:19:49,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:19:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:19:49,172 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 14:19:49,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:19:49,226 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 14:19:49,227 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-07-23 14:19:49,227 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 14 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 14:19:49,277 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 14 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 35 states and 51 transitions. Complement of second has 9 states. [2022-07-23 14:19:49,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-07-23 14:19:49,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 14:19:49,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 19 transitions. [2022-07-23 14:19:49,279 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 3 letters. Loop has 3 letters. [2022-07-23 14:19:49,279 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:19:49,279 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 6 letters. Loop has 3 letters. [2022-07-23 14:19:49,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:19:49,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 3 letters. Loop has 6 letters. [2022-07-23 14:19:49,281 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:19:49,281 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 51 transitions. [2022-07-23 14:19:49,284 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 14:19:49,285 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2022-07-23 14:19:49,285 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-23 14:19:49,285 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-23 14:19:49,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-23 14:19:49,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 14:19:49,285 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 14:19:49,285 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 14:19:49,285 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 14:19:49,286 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-23 14:19:49,286 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-23 14:19:49,286 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 14:19:49,286 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-23 14:19:49,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.07 02:19:49 BoogieIcfgContainer [2022-07-23 14:19:49,296 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-23 14:19:49,297 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 14:19:49,297 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 14:19:49,297 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 14:19:49,297 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:19:47" (3/4) ... [2022-07-23 14:19:49,300 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-23 14:19:49,301 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 14:19:49,301 INFO L158 Benchmark]: Toolchain (without parser) took 2502.43ms. Allocated memory is still 113.2MB. Free memory was 88.5MB in the beginning and 39.8MB in the end (delta: 48.7MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2022-07-23 14:19:49,302 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 86.0MB. Free memory was 54.5MB in the beginning and 54.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 14:19:49,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 159.68ms. Allocated memory is still 113.2MB. Free memory was 88.2MB in the beginning and 79.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-23 14:19:49,305 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.96ms. Allocated memory is still 113.2MB. Free memory was 79.3MB in the beginning and 78.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 14:19:49,305 INFO L158 Benchmark]: Boogie Preprocessor took 14.37ms. Allocated memory is still 113.2MB. Free memory was 78.0MB in the beginning and 76.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 14:19:49,324 INFO L158 Benchmark]: RCFGBuilder took 180.13ms. Allocated memory is still 113.2MB. Free memory was 76.9MB in the beginning and 68.6MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-23 14:19:49,324 INFO L158 Benchmark]: BuchiAutomizer took 2115.56ms. Allocated memory is still 113.2MB. Free memory was 68.2MB in the beginning and 39.8MB in the end (delta: 28.4MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2022-07-23 14:19:49,325 INFO L158 Benchmark]: Witness Printer took 4.13ms. Allocated memory is still 113.2MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 14:19:49,326 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 86.0MB. Free memory was 54.5MB in the beginning and 54.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 159.68ms. Allocated memory is still 113.2MB. Free memory was 88.2MB in the beginning and 79.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.96ms. Allocated memory is still 113.2MB. Free memory was 79.3MB in the beginning and 78.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.37ms. Allocated memory is still 113.2MB. Free memory was 78.0MB in the beginning and 76.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 180.13ms. Allocated memory is still 113.2MB. Free memory was 76.9MB in the beginning and 68.6MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2115.56ms. Allocated memory is still 113.2MB. Free memory was 68.2MB in the beginning and 39.8MB in the end (delta: 28.4MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Witness Printer took 4.13ms. Allocated memory is still 113.2MB. Free memory is still 39.8MB. 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function y and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. 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 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 8 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax150 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq132 hnf96 smp89 dnf133 smp96 tf106 neg98 sie121 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 47ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s 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 14:19:49,367 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 14:19:49,526 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 14:19:49,556 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