./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d.c --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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-lit/AliasDarteFeautrierGonnord-SAS2010-random2d.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 1978406b317087fc6936fcfda9d4ee773e4c87c61c4595e0ff4751e61b0b216a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 03:24:37,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 03:24:37,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 03:24:37,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 03:24:37,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 03:24:37,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 03:24:37,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 03:24:37,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 03:24:37,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 03:24:37,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 03:24:37,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 03:24:37,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 03:24:37,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 03:24:37,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 03:24:37,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 03:24:37,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 03:24:37,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 03:24:37,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 03:24:37,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 03:24:37,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 03:24:37,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 03:24:37,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 03:24:37,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 03:24:37,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 03:24:37,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 03:24:37,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 03:24:37,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 03:24:37,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 03:24:37,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 03:24:37,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 03:24:37,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 03:24:37,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 03:24:37,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 03:24:37,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 03:24:37,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 03:24:37,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 03:24:37,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 03:24:37,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 03:24:37,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 03:24:37,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 03:24:37,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 03:24:37,821 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-02-21 03:24:37,844 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 03:24:37,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 03:24:37,845 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 03:24:37,845 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 03:24:37,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 03:24:37,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 03:24:37,846 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 03:24:37,846 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 03:24:37,847 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 03:24:37,847 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 03:24:37,847 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 03:24:37,848 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 03:24:37,848 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 03:24:37,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 03:24:37,848 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 03:24:37,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 03:24:37,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 03:24:37,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 03:24:37,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 03:24:37,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 03:24:37,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 03:24:37,849 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 03:24:37,849 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 03:24:37,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 03:24:37,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 03:24:37,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 03:24:37,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 03:24:37,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 03:24:37,850 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 03:24:37,851 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1978406b317087fc6936fcfda9d4ee773e4c87c61c4595e0ff4751e61b0b216a [2022-02-21 03:24:38,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 03:24:38,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 03:24:38,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 03:24:38,044 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 03:24:38,044 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 03:24:38,045 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d.c [2022-02-21 03:24:38,105 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c64e6361/64ad1f338b0d4c2e9a352a677548bcdc/FLAGbfadf06c9 [2022-02-21 03:24:38,438 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 03:24:38,439 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d.c [2022-02-21 03:24:38,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c64e6361/64ad1f338b0d4c2e9a352a677548bcdc/FLAGbfadf06c9 [2022-02-21 03:24:38,884 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c64e6361/64ad1f338b0d4c2e9a352a677548bcdc [2022-02-21 03:24:38,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 03:24:38,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 03:24:38,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 03:24:38,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 03:24:38,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 03:24:38,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:24:38" (1/1) ... [2022-02-21 03:24:38,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd7bd85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:38, skipping insertion in model container [2022-02-21 03:24:38,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:24:38" (1/1) ... [2022-02-21 03:24:38,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 03:24:38,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 03:24:39,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:24:39,003 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 03:24:39,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:24:39,021 INFO L208 MainTranslator]: Completed translation [2022-02-21 03:24:39,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:39 WrapperNode [2022-02-21 03:24:39,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 03:24:39,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 03:24:39,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 03:24:39,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 03:24:39,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:39" (1/1) ... [2022-02-21 03:24:39,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:39" (1/1) ... [2022-02-21 03:24:39,052 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2022-02-21 03:24:39,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 03:24:39,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 03:24:39,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 03:24:39,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 03:24:39,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:39" (1/1) ... [2022-02-21 03:24:39,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:39" (1/1) ... [2022-02-21 03:24:39,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:39" (1/1) ... [2022-02-21 03:24:39,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:39" (1/1) ... [2022-02-21 03:24:39,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:39" (1/1) ... [2022-02-21 03:24:39,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:39" (1/1) ... [2022-02-21 03:24:39,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:39" (1/1) ... [2022-02-21 03:24:39,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 03:24:39,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 03:24:39,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 03:24:39,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 03:24:39,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:39" (1/1) ... [2022-02-21 03:24:39,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:24:39,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:24:39,124 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) [2022-02-21 03:24:39,143 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 [2022-02-21 03:24:39,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 03:24:39,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 03:24:39,203 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 03:24:39,204 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 03:24:39,285 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 03:24:39,290 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 03:24:39,290 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-21 03:24:39,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:24:39 BoogieIcfgContainer [2022-02-21 03:24:39,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 03:24:39,292 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 03:24:39,292 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 03:24:39,295 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 03:24:39,295 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:24:39,295 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 03:24:38" (1/3) ... [2022-02-21 03:24:39,296 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@113da5f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:24:39, skipping insertion in model container [2022-02-21 03:24:39,297 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:24:39,297 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:39" (2/3) ... [2022-02-21 03:24:39,297 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@113da5f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:24:39, skipping insertion in model container [2022-02-21 03:24:39,303 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:24:39,304 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:24:39" (3/3) ... [2022-02-21 03:24:39,305 INFO L388 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random2d.c [2022-02-21 03:24:39,371 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 03:24:39,387 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 03:24:39,387 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 03:24:39,387 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 03:24:39,388 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 03:24:39,388 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 03:24:39,388 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 03:24:39,388 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 03:24:39,400 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) [2022-02-21 03:24:39,413 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-02-21 03:24:39,427 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:24:39,427 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:24:39,431 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2022-02-21 03:24:39,431 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2022-02-21 03:24:39,431 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 03:24:39,431 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) [2022-02-21 03:24:39,433 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-02-21 03:24:39,433 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:24:39,433 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:24:39,433 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2022-02-21 03:24:39,433 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2022-02-21 03:24:39,438 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 13#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~N~0#1, main_~x~0#1, main_~y~0#1, main_~i~0#1, main_~r~0#1;havoc main_~N~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~i~0#1;havoc main_~r~0#1;main_~N~0#1 := 10;main_~x~0#1 := 0;main_~y~0#1 := 0;main_~i~0#1 := 0; 7#L22-1true [2022-02-21 03:24:39,438 INFO L793 eck$LassoCheckResult]: Loop: 7#L22-1true assume !!(main_~i~0#1 < main_~N~0#1);main_~i~0#1 := 1 + main_~i~0#1;main_~r~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 5#L22true assume !(main_~r~0#1 >= 0 && main_~r~0#1 <= 3); 7#L22-1true [2022-02-21 03:24:39,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:24:39,442 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-02-21 03:24:39,465 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:24:39,465 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476709105] [2022-02-21 03:24:39,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:24:39,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:24:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:24:39,532 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:24:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:24:39,548 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:24:39,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:24:39,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1339, now seen corresponding path program 1 times [2022-02-21 03:24:39,553 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:24:39,553 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941522611] [2022-02-21 03:24:39,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:24:39,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:24:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:24:39,571 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:24:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:24:39,576 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:24:39,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:24:39,577 INFO L85 PathProgramCache]: Analyzing trace with hash 925821, now seen corresponding path program 1 times [2022-02-21 03:24:39,577 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 03:24:39,578 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068308122] [2022-02-21 03:24:39,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 03:24:39,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 03:24:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:24:39,588 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 03:24:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 03:24:39,602 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 03:24:39,696 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:24:39,697 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:24:39,697 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:24:39,697 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:24:39,697 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-02-21 03:24:39,697 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:24:39,697 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:24:39,697 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:24:39,697 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-random2d.c_Iteration1_Loop [2022-02-21 03:24:39,697 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:24:39,697 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:24:39,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:24:39,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:24:39,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:24:39,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:24:39,798 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:24:39,799 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-02-21 03:24:39,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:24:39,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:24:39,802 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) [2022-02-21 03:24:39,803 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 [2022-02-21 03:24:39,804 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 03:24:39,804 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:24:39,823 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 03:24:39,823 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=-1, ULTIMATE.start_main_~r~0#1=-1} Honda state: {ULTIMATE.start_main_#t~nondet0#1=-1, ULTIMATE.start_main_~r~0#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-02-21 03:24:39,839 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 [2022-02-21 03:24:39,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:24:39,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:24:39,841 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) [2022-02-21 03:24:39,843 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 [2022-02-21 03:24:39,846 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 03:24:39,846 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:24:39,858 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 03:24:39,858 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: [] [2022-02-21 03:24:39,875 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 [2022-02-21 03:24:39,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:24:39,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:24:39,877 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) [2022-02-21 03:24:39,877 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 [2022-02-21 03:24:39,879 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 03:24:39,879 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:24:39,891 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-02-21 03:24:39,892 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: [] [2022-02-21 03:24:39,906 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 [2022-02-21 03:24:39,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:24:39,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:24:39,908 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) [2022-02-21 03:24:39,915 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 [2022-02-21 03:24:39,915 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-02-21 03:24:39,915 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:24:39,942 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 [2022-02-21 03:24:39,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:24:39,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:24:39,945 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) [2022-02-21 03:24:39,946 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 [2022-02-21 03:24:39,946 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-02-21 03:24:39,946 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-02-21 03:24:40,049 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-02-21 03:24:40,055 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 [2022-02-21 03:24:40,056 INFO L210 LassoAnalysis]: Preferences: [2022-02-21 03:24:40,056 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-02-21 03:24:40,056 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-02-21 03:24:40,056 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-02-21 03:24:40,056 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-02-21 03:24:40,056 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:24:40,056 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-02-21 03:24:40,056 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-02-21 03:24:40,056 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-random2d.c_Iteration1_Loop [2022-02-21 03:24:40,056 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-02-21 03:24:40,056 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-02-21 03:24:40,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:24:40,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:24:40,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:24:40,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-02-21 03:24:40,165 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-02-21 03:24:40,168 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-02-21 03:24:40,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:24:40,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:24:40,170 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) [2022-02-21 03:24:40,173 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 [2022-02-21 03:24:40,174 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 [2022-02-21 03:24:40,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:24:40,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:24:40,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:24:40,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:24:40,183 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:24:40,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:24:40,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:24:40,235 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 [2022-02-21 03:24:40,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:24:40,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:24:40,244 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) [2022-02-21 03:24:40,246 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 [2022-02-21 03:24:40,247 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 [2022-02-21 03:24:40,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:24:40,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:24:40,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:24:40,253 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-02-21 03:24:40,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:24:40,256 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-02-21 03:24:40,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:24:40,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:24:40,288 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 [2022-02-21 03:24:40,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:24:40,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:24:40,289 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) [2022-02-21 03:24:40,293 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 [2022-02-21 03:24:40,294 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 [2022-02-21 03:24:40,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:24:40,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:24:40,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:24:40,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:24:40,302 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-02-21 03:24:40,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-02-21 03:24:40,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-02-21 03:24:40,333 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 [2022-02-21 03:24:40,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:24:40,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:24:40,334 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) [2022-02-21 03:24:40,346 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 [2022-02-21 03:24:40,347 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 [2022-02-21 03:24:40,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-02-21 03:24:40,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-02-21 03:24:40,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-02-21 03:24:40,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-02-21 03:24:40,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-02-21 03:24:40,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-02-21 03:24:40,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-02-21 03:24:40,369 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-02-21 03:24:40,373 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-02-21 03:24:40,373 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-02-21 03:24:40,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:24:40,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:24:40,376 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) [2022-02-21 03:24:40,377 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 [2022-02-21 03:24:40,378 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-02-21 03:24:40,378 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-02-21 03:24:40,378 INFO L513 LassoAnalysis]: Proved termination. [2022-02-21 03:24:40,379 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~N~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~N~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-02-21 03:24:40,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-02-21 03:24:40,402 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-02-21 03:24:40,406 INFO L390 LassoCheck]: Loop: "assume !!(main_~i~0#1 < main_~N~0#1);main_~i~0#1 := 1 + main_~i~0#1;main_~r~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;" "assume !(main_~r~0#1 >= 0 && main_~r~0#1 <= 3);" [2022-02-21 03:24:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:24:40,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 03:24:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:24:40,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-21 03:24:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:24:40,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:24:40,451 INFO L290 TraceCheckUtils]: 0: Hoare triple {22#unseeded} assume { :begin_inline_ULTIMATE.init } true; {22#unseeded} is VALID [2022-02-21 03:24:40,451 INFO L290 TraceCheckUtils]: 1: Hoare triple {22#unseeded} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~N~0#1, main_~x~0#1, main_~y~0#1, main_~i~0#1, main_~r~0#1;havoc main_~N~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~i~0#1;havoc main_~r~0#1;main_~N~0#1 := 10;main_~x~0#1 := 0;main_~y~0#1 := 0;main_~i~0#1 := 0; {22#unseeded} is VALID [2022-02-21 03:24:40,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:24:40,457 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-21 03:24:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 03:24:40,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 03:24:40,518 INFO L290 TraceCheckUtils]: 0: Hoare triple {25#(>= oldRank0 (+ (* (- 1) |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~N~0#1|))} assume !!(main_~i~0#1 < main_~N~0#1);main_~i~0#1 := 1 + main_~i~0#1;main_~r~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; {43#(and (<= (+ |ULTIMATE.start_main_~N~0#1| 1) (+ |ULTIMATE.start_main_~i~0#1| oldRank0)) (< 0 oldRank0))} is VALID [2022-02-21 03:24:40,519 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#(and (<= (+ |ULTIMATE.start_main_~N~0#1| 1) (+ |ULTIMATE.start_main_~i~0#1| oldRank0)) (< 0 oldRank0))} assume !(main_~r~0#1 >= 0 && main_~r~0#1 <= 3); {35#(or unseeded (and (>= oldRank0 0) (> oldRank0 (+ (* (- 1) |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~N~0#1|))))} is VALID [2022-02-21 03:24:40,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 03:24:40,538 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 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) [2022-02-21 03:24:40,545 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 03:24:40,546 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:24:40,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,551 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 [2022-02-21 03:24:40,552 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) [2022-02-21 03:24:40,593 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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 28 states and 41 transitions. Complement of second has 5 states. [2022-02-21 03:24:40,594 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 [2022-02-21 03:24:40,594 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:24:40,594 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) [2022-02-21 03:24:40,595 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-02-21 03:24:40,595 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:24:40,596 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:24:40,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. 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) [2022-02-21 03:24:40,597 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:24:40,598 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 03:24:40,598 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 03:24:40,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 41 transitions. [2022-02-21 03:24:40,599 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:24:40,600 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:24:40,603 INFO L70 LassoExtractor]: Start lassoExtractor. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) [2022-02-21 03:24:40,606 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-02-21 03:24:40,609 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 6 examples of accepted words. [2022-02-21 03:24:40,611 INFO L70 LassoExtractor]: Start lassoExtractor. 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) [2022-02-21 03:24:40,612 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2022-02-21 03:24:40,613 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2022-02-21 03:24:40,614 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 28 states and 41 transitions. cyclomatic complexity: 14 [2022-02-21 03:24:40,614 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 41 transitions. cyclomatic complexity: 14 [2022-02-21 03:24:40,614 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:24:40,617 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2022-02-21 03:24:40,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:24:40,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,618 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:24:40,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 41 transitions. cyclomatic complexity: 14 Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:24:40,619 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,619 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:24:40,619 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,619 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:24:40,619 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,619 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 41 transitions. cyclomatic complexity: 14 Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:24:40,620 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,620 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) Stem has 28 letters. Loop has 28 letters. [2022-02-21 03:24:40,620 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,620 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 28 letters. Loop has 28 letters. [2022-02-21 03:24:40,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 41 transitions. cyclomatic complexity: 14 Stem has 28 letters. Loop has 28 letters. [2022-02-21 03:24:40,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) Stem has 12 letters. Loop has 12 letters. [2022-02-21 03:24:40,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,622 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 12 letters. Loop has 12 letters. [2022-02-21 03:24:40,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 41 transitions. cyclomatic complexity: 14 Stem has 12 letters. Loop has 12 letters. [2022-02-21 03:24:40,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:24:40,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,624 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:24:40,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 41 transitions. cyclomatic complexity: 14 Stem has 4 letters. Loop has 4 letters. [2022-02-21 03:24:40,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) Stem has 3 letters. Loop has 2 letters. [2022-02-21 03:24:40,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,625 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 3 letters. Loop has 2 letters. [2022-02-21 03:24:40,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 41 transitions. cyclomatic complexity: 14 Stem has 3 letters. Loop has 2 letters. [2022-02-21 03:24:40,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) Stem has 6 letters. Loop has 5 letters. [2022-02-21 03:24:40,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,627 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 6 letters. Loop has 5 letters. [2022-02-21 03:24:40,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 41 transitions. cyclomatic complexity: 14 Stem has 6 letters. Loop has 5 letters. [2022-02-21 03:24:40,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) Stem has 7 letters. Loop has 6 letters. [2022-02-21 03:24:40,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,629 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 7 letters. Loop has 6 letters. [2022-02-21 03:24:40,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,629 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 41 transitions. cyclomatic complexity: 14 Stem has 7 letters. Loop has 6 letters. [2022-02-21 03:24:40,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:24:40,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,630 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:24:40,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 41 transitions. cyclomatic complexity: 14 Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:24:40,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) Stem has 4 letters. Loop has 3 letters. [2022-02-21 03:24:40,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,632 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 4 letters. Loop has 3 letters. [2022-02-21 03:24:40,632 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,632 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 41 transitions. cyclomatic complexity: 14 Stem has 4 letters. Loop has 3 letters. [2022-02-21 03:24:40,632 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,633 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) Stem has 5 letters. Loop has 4 letters. [2022-02-21 03:24:40,633 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,633 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 5 letters. Loop has 4 letters. [2022-02-21 03:24:40,634 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,634 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 41 transitions. cyclomatic complexity: 14 Stem has 5 letters. Loop has 4 letters. [2022-02-21 03:24:40,634 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,634 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:24:40,635 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,636 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:24:40,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 41 transitions. cyclomatic complexity: 14 Stem has 2 letters. Loop has 1 letters. [2022-02-21 03:24:40,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:24:40,637 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,637 INFO L84 BuchiAccepts]: Start buchiAccepts 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) Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:24:40,637 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,637 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 41 transitions. cyclomatic complexity: 14 Stem has 1 letters. Loop has 1 letters. [2022-02-21 03:24:40,637 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,637 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2022-02-21 03:24:40,641 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) [2022-02-21 03:24:40,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2022-02-21 03:24:40,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 2 letters. Loop has 2 letters. [2022-02-21 03:24:40,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 4 letters. Loop has 2 letters. [2022-02-21 03:24:40,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 2 letters. Loop has 4 letters. [2022-02-21 03:24:40,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-02-21 03:24:40,647 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 41 transitions. cyclomatic complexity: 14 [2022-02-21 03:24:40,650 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:24:40,656 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2022-02-21 03:24:40,657 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-02-21 03:24:40,657 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-02-21 03:24:40,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-02-21 03:24:40,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 03:24:40,657 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:24:40,658 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:24:40,658 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-21 03:24:40,663 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 03:24:40,663 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-02-21 03:24:40,663 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:24:40,664 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:24:40,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 03:24:40 BoogieIcfgContainer [2022-02-21 03:24:40,668 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 03:24:40,669 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 03:24:40,670 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 03:24:40,670 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 03:24:40,670 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:24:39" (3/4) ... [2022-02-21 03:24:40,672 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-21 03:24:40,672 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 03:24:40,674 INFO L158 Benchmark]: Toolchain (without parser) took 1786.68ms. Allocated memory is still 94.4MB. Free memory was 64.5MB in the beginning and 46.0MB in the end (delta: 18.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-02-21 03:24:40,674 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 77.6MB. Free memory was 44.2MB in the beginning and 44.1MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:24:40,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 133.12ms. Allocated memory is still 94.4MB. Free memory was 64.3MB in the beginning and 55.3MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-21 03:24:40,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.63ms. Allocated memory is still 94.4MB. Free memory was 55.2MB in the beginning and 53.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:24:40,679 INFO L158 Benchmark]: Boogie Preprocessor took 34.62ms. Allocated memory is still 94.4MB. Free memory was 53.9MB in the beginning and 53.0MB in the end (delta: 905.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:24:40,680 INFO L158 Benchmark]: RCFGBuilder took 203.40ms. Allocated memory is still 94.4MB. Free memory was 52.9MB in the beginning and 43.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 03:24:40,680 INFO L158 Benchmark]: BuchiAutomizer took 1376.15ms. Allocated memory is still 94.4MB. Free memory was 43.8MB in the beginning and 46.4MB in the end (delta: -2.6MB). Peak memory consumption was 12.3kB. Max. memory is 16.1GB. [2022-02-21 03:24:40,681 INFO L158 Benchmark]: Witness Printer took 2.79ms. Allocated memory is still 94.4MB. Free memory was 46.4MB in the beginning and 46.0MB in the end (delta: 431.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:24:40,685 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 77.6MB. Free memory was 44.2MB in the beginning and 44.1MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 133.12ms. Allocated memory is still 94.4MB. Free memory was 64.3MB in the beginning and 55.3MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.63ms. Allocated memory is still 94.4MB. Free memory was 55.2MB in the beginning and 53.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.62ms. Allocated memory is still 94.4MB. Free memory was 53.9MB in the beginning and 53.0MB in the end (delta: 905.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 203.40ms. Allocated memory is still 94.4MB. Free memory was 52.9MB in the beginning and 43.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1376.15ms. Allocated memory is still 94.4MB. Free memory was 43.8MB in the beginning and 46.4MB in the end (delta: -2.6MB). Peak memory consumption was 12.3kB. Max. memory is 16.1GB. * Witness Printer took 2.79ms. Allocated memory is still 94.4MB. Free memory was 46.4MB in the beginning and 46.0MB in the end (delta: 431.4kB). 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 affine ranking function -1 * i + N and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 15 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax154 hnf100 lsp41 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq128 hnf94 smp100 dnf141 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 34ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-02-21 03:24:40,727 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 [2022-02-21 03:24:40,925 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