./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/NO_01.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ae007674 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/NO_01.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 fb88f4e3847928194a09ee7421ca208530ca40554291ef14571bd7868fcf839b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 09:04:20,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 09:04:20,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 09:04:20,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 09:04:20,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 09:04:20,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 09:04:20,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 09:04:20,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 09:04:20,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 09:04:20,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 09:04:20,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 09:04:20,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 09:04:20,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 09:04:20,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 09:04:20,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 09:04:20,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 09:04:20,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 09:04:20,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 09:04:20,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 09:04:20,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 09:04:20,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 09:04:20,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 09:04:20,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 09:04:20,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 09:04:20,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 09:04:20,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 09:04:20,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 09:04:20,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 09:04:20,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 09:04:20,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 09:04:20,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 09:04:20,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 09:04:20,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 09:04:20,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 09:04:20,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 09:04:20,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 09:04:20,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 09:04:20,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 09:04:20,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 09:04:20,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 09:04:20,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 09:04:20,741 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-28 09:04:20,776 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 09:04:20,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 09:04:20,777 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 09:04:20,777 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 09:04:20,778 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 09:04:20,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 09:04:20,779 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 09:04:20,779 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-28 09:04:20,779 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-28 09:04:20,779 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-28 09:04:20,780 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-28 09:04:20,780 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-28 09:04:20,780 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-28 09:04:20,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 09:04:20,780 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-28 09:04:20,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 09:04:20,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 09:04:20,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-28 09:04:20,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-28 09:04:20,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-28 09:04:20,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 09:04:20,782 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-28 09:04:20,782 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 09:04:20,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-28 09:04:20,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 09:04:20,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 09:04:20,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 09:04:20,783 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 09:04:20,784 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-28 09:04:20,784 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb88f4e3847928194a09ee7421ca208530ca40554291ef14571bd7868fcf839b [2021-12-28 09:04:21,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 09:04:21,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 09:04:21,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 09:04:21,144 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 09:04:21,144 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 09:04:21,145 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/NO_01.c [2021-12-28 09:04:21,181 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77186a7ec/710071b65609489abef6f02cc528b838/FLAGb3c5d7ca3 [2021-12-28 09:04:21,540 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 09:04:21,540 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/NO_01.c [2021-12-28 09:04:21,544 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77186a7ec/710071b65609489abef6f02cc528b838/FLAGb3c5d7ca3 [2021-12-28 09:04:21,556 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77186a7ec/710071b65609489abef6f02cc528b838 [2021-12-28 09:04:21,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 09:04:21,559 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 09:04:21,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 09:04:21,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 09:04:21,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 09:04:21,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:04:21" (1/1) ... [2021-12-28 09:04:21,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c7d3252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:04:21, skipping insertion in model container [2021-12-28 09:04:21,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:04:21" (1/1) ... [2021-12-28 09:04:21,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 09:04:21,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 09:04:21,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:04:21,676 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 09:04:21,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:04:21,692 INFO L208 MainTranslator]: Completed translation [2021-12-28 09:04:21,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:04:21 WrapperNode [2021-12-28 09:04:21,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 09:04:21,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 09:04:21,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 09:04:21,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 09:04:21,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:04:21" (1/1) ... [2021-12-28 09:04:21,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:04:21" (1/1) ... [2021-12-28 09:04:21,712 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2021-12-28 09:04:21,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 09:04:21,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 09:04:21,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 09:04:21,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 09:04:21,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:04:21" (1/1) ... [2021-12-28 09:04:21,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:04:21" (1/1) ... [2021-12-28 09:04:21,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:04:21" (1/1) ... [2021-12-28 09:04:21,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:04:21" (1/1) ... [2021-12-28 09:04:21,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:04:21" (1/1) ... [2021-12-28 09:04:21,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:04:21" (1/1) ... [2021-12-28 09:04:21,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:04:21" (1/1) ... [2021-12-28 09:04:21,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 09:04:21,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 09:04:21,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 09:04:21,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 09:04:21,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:04:21" (1/1) ... [2021-12-28 09:04:21,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:04:21,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:04:21,801 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) [2021-12-28 09:04:21,808 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 [2021-12-28 09:04:21,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 09:04:21,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 09:04:21,865 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 09:04:21,866 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 09:04:21,944 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 09:04:21,948 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 09:04:21,948 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-28 09:04:21,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:04:21 BoogieIcfgContainer [2021-12-28 09:04:21,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 09:04:21,950 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-28 09:04:21,950 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-28 09:04:21,951 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-28 09:04:21,952 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:04:21,952 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.12 09:04:21" (1/3) ... [2021-12-28 09:04:21,952 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28f7fda2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:04:21, skipping insertion in model container [2021-12-28 09:04:21,953 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:04:21,953 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:04:21" (2/3) ... [2021-12-28 09:04:21,953 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28f7fda2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:04:21, skipping insertion in model container [2021-12-28 09:04:21,953 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:04:21,953 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:04:21" (3/3) ... [2021-12-28 09:04:21,954 INFO L388 chiAutomizerObserver]: Analyzing ICFG NO_01.c [2021-12-28 09:04:21,979 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-28 09:04:21,979 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-28 09:04:21,979 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-28 09:04:21,979 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-28 09:04:21,979 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-28 09:04:21,979 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-28 09:04:21,979 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-28 09:04:21,979 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-28 09:04:21,987 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 12 states have internal predecessors, (23), 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) [2021-12-28 09:04:22,003 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 4 [2021-12-28 09:04:22,003 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:04:22,003 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:04:22,008 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-28 09:04:22,008 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-28 09:04:22,008 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-28 09:04:22,008 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 12 states have internal predecessors, (23), 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) [2021-12-28 09:04:22,010 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 4 [2021-12-28 09:04:22,010 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:04:22,010 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:04:22,010 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-28 09:04:22,010 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-28 09:04:22,015 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~c~0#1, main_~i~0#1;havoc main_~c~0#1;havoc main_~i~0#1;main_~c~0#1 := 864; 12#L10true assume main_~c~0#1 <= 10;main_~i~0#1 := 0; 3#L12-2true [2021-12-28 09:04:22,015 INFO L793 eck$LassoCheckResult]: Loop: 3#L12-2true assume !!(main_~i~0#1 < 100);main_~i~0#1 := 1 + main_~i~0#1; 3#L12-2true [2021-12-28 09:04:22,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:04:22,019 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-12-28 09:04:22,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:04:22,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742076194] [2021-12-28 09:04:22,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:04:22,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:04:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:04:22,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:04:22,133 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:04:22,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742076194] [2021-12-28 09:04:22,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742076194] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:04:22,134 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:04:22,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-28 09:04:22,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862633077] [2021-12-28 09:04:22,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:04:22,138 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-28 09:04:22,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:04:22,138 INFO L85 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 1 times [2021-12-28 09:04:22,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:04:22,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935608541] [2021-12-28 09:04:22,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:04:22,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:04:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:04:22,144 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:04:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:04:22,157 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:04:22,208 INFO L210 LassoAnalysis]: Preferences: [2021-12-28 09:04:22,208 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-28 09:04:22,209 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-28 09:04:22,209 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-28 09:04:22,209 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-28 09:04:22,209 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:04:22,209 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-28 09:04:22,209 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-28 09:04:22,209 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_01.c_Iteration1_Loop [2021-12-28 09:04:22,210 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-28 09:04:22,210 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-28 09:04:22,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:04:22,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:04:22,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:04:22,313 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-28 09:04:22,324 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-28 09:04:22,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:04:22,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:04:22,351 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) [2021-12-28 09:04:22,355 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:04:22,355 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:04:22,373 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 [2021-12-28 09:04:22,390 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-28 09:04:22,390 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: [] [2021-12-28 09:04:22,408 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 [2021-12-28 09:04:22,408 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:04:22,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:04:22,424 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) [2021-12-28 09:04:22,455 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:04:22,455 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:04:22,468 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 [2021-12-28 09:04:22,469 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-28 09:04:22,469 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: [] [2021-12-28 09:04:22,485 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 [2021-12-28 09:04:22,485 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:04:22,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:04:22,486 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) [2021-12-28 09:04:22,491 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 [2021-12-28 09:04:22,492 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:04:22,501 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:04:22,529 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 [2021-12-28 09:04:22,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:04:22,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:04:22,531 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) [2021-12-28 09:04:22,531 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 [2021-12-28 09:04:22,540 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-28 09:04:22,540 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:04:22,566 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-28 09:04:22,569 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 [2021-12-28 09:04:22,570 INFO L210 LassoAnalysis]: Preferences: [2021-12-28 09:04:22,570 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-28 09:04:22,570 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-28 09:04:22,570 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-28 09:04:22,570 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-28 09:04:22,570 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:04:22,570 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-28 09:04:22,570 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-28 09:04:22,570 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_01.c_Iteration1_Loop [2021-12-28 09:04:22,570 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-28 09:04:22,570 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-28 09:04:22,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:04:22,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:04:22,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:04:22,616 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-28 09:04:22,618 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-28 09:04:22,619 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:04:22,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:04:22,620 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) [2021-12-28 09:04:22,621 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 [2021-12-28 09:04:22,643 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 [2021-12-28 09:04:22,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:04:22,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:04:22,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:04:22,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:04:22,661 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:04:22,661 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:04:22,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:04:22,691 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 [2021-12-28 09:04:22,692 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:04:22,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:04:22,693 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) [2021-12-28 09:04:22,694 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 [2021-12-28 09:04:22,696 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 [2021-12-28 09:04:22,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:04:22,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:04:22,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:04:22,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:04:22,708 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:04:22,708 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:04:22,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:04:22,727 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-28 09:04:22,727 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:04:22,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:04:22,728 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) [2021-12-28 09:04:22,729 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 [2021-12-28 09:04:22,730 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 [2021-12-28 09:04:22,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:04:22,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:04:22,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:04:22,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:04:22,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:04:22,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:04:22,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:04:22,748 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-28 09:04:22,760 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-28 09:04:22,760 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-28 09:04:22,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:04:22,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:04:22,762 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) [2021-12-28 09:04:22,765 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 [2021-12-28 09:04:22,766 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-28 09:04:22,766 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-28 09:04:22,767 INFO L513 LassoAnalysis]: Proved termination. [2021-12-28 09:04:22,767 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 199 Supporting invariants [] [2021-12-28 09:04:22,782 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-28 09:04:22,784 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-28 09:04:22,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:04:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:04:22,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-28 09:04:22,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:04:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:04:22,832 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-28 09:04:22,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:04:22,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:04:22,850 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-12-28 09:04:22,851 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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) [2021-12-28 09:04:22,883 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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 30 states and 46 transitions. Complement of second has 5 states. [2021-12-28 09:04:22,884 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 [2021-12-28 09:04:22,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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) [2021-12-28 09:04:22,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 37 transitions. [2021-12-28 09:04:22,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 3 letters. Loop has 1 letters. [2021-12-28 09:04:22,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:04:22,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 4 letters. Loop has 1 letters. [2021-12-28 09:04:22,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:04:22,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 3 letters. Loop has 2 letters. [2021-12-28 09:04:22,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:04:22,890 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 46 transitions. [2021-12-28 09:04:22,892 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2021-12-28 09:04:22,893 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 8 states and 11 transitions. [2021-12-28 09:04:22,894 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-12-28 09:04:22,894 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-12-28 09:04:22,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2021-12-28 09:04:22,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:04:22,895 INFO L681 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2021-12-28 09:04:22,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2021-12-28 09:04:22,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-12-28 09:04:22,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 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) [2021-12-28 09:04:22,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2021-12-28 09:04:22,909 INFO L704 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2021-12-28 09:04:22,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:04:22,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 09:04:22,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 09:04:22,911 INFO L87 Difference]: Start difference. First operand 8 states and 11 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:04:22,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:04:22,917 INFO L93 Difference]: Finished difference Result 6 states and 6 transitions. [2021-12-28 09:04:22,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 09:04:22,918 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 6 transitions. [2021-12-28 09:04:22,919 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-28 09:04:22,919 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 6 transitions. [2021-12-28 09:04:22,919 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-12-28 09:04:22,919 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-12-28 09:04:22,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. [2021-12-28 09:04:22,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:04:22,919 INFO L681 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-12-28 09:04:22,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. [2021-12-28 09:04:22,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2021-12-28 09:04:22,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.0) internal successors, (6), 5 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) [2021-12-28 09:04:22,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2021-12-28 09:04:22,920 INFO L704 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-12-28 09:04:22,920 INFO L587 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-12-28 09:04:22,921 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-28 09:04:22,921 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 6 transitions. [2021-12-28 09:04:22,921 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-28 09:04:22,921 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:04:22,921 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:04:22,921 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-28 09:04:22,922 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-28 09:04:22,922 INFO L791 eck$LassoCheckResult]: Stem: 93#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 94#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~c~0#1, main_~i~0#1;havoc main_~c~0#1;havoc main_~i~0#1;main_~c~0#1 := 864; 95#L10 assume !(main_~c~0#1 <= 10); 91#L17 assume !(main_~c~0#1 <= 50); 92#L17-1 assume !(main_~c~0#1 <= 100);main_~i~0#1 := 0; 96#L31-2 [2021-12-28 09:04:22,922 INFO L793 eck$LassoCheckResult]: Loop: 96#L31-2 assume !!(main_~i~0#1 < 103);main_~i~0#1 := main_~i~0#1; 96#L31-2 [2021-12-28 09:04:22,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:04:22,922 INFO L85 PathProgramCache]: Analyzing trace with hash 28708162, now seen corresponding path program 1 times [2021-12-28 09:04:22,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:04:22,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664633340] [2021-12-28 09:04:22,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:04:22,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:04:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:04:22,926 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:04:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:04:22,929 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:04:22,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:04:22,929 INFO L85 PathProgramCache]: Analyzing trace with hash 94, now seen corresponding path program 1 times [2021-12-28 09:04:22,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:04:22,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654346590] [2021-12-28 09:04:22,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:04:22,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:04:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:04:22,932 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:04:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:04:22,934 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:04:22,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:04:22,934 INFO L85 PathProgramCache]: Analyzing trace with hash 889953085, now seen corresponding path program 1 times [2021-12-28 09:04:22,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:04:22,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829202370] [2021-12-28 09:04:22,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:04:22,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:04:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:04:22,938 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:04:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:04:22,941 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:04:22,979 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 [2021-12-28 09:04:23,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.12 09:04:23 BoogieIcfgContainer [2021-12-28 09:04:23,013 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-28 09:04:23,017 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-28 09:04:23,017 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-28 09:04:23,018 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-28 09:04:23,019 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:04:21" (3/4) ... [2021-12-28 09:04:23,020 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-28 09:04:23,050 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-28 09:04:23,050 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-28 09:04:23,052 INFO L158 Benchmark]: Toolchain (without parser) took 1492.71ms. Allocated memory was 77.6MB in the beginning and 121.6MB in the end (delta: 44.0MB). Free memory was 59.2MB in the beginning and 98.1MB in the end (delta: -38.9MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2021-12-28 09:04:23,052 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 77.6MB. Free memory was 58.1MB in the beginning and 58.0MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:04:23,052 INFO L158 Benchmark]: CACSL2BoogieTranslator took 132.66ms. Allocated memory is still 77.6MB. Free memory was 59.2MB in the beginning and 50.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-28 09:04:23,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.60ms. Allocated memory is still 77.6MB. Free memory was 50.4MB in the beginning and 49.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-28 09:04:23,054 INFO L158 Benchmark]: Boogie Preprocessor took 35.70ms. Allocated memory is still 77.6MB. Free memory was 49.0MB in the beginning and 60.2MB in the end (delta: -11.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-28 09:04:23,054 INFO L158 Benchmark]: RCFGBuilder took 199.14ms. Allocated memory is still 77.6MB. Free memory was 60.2MB in the beginning and 51.9MB in the end (delta: 8.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-28 09:04:23,058 INFO L158 Benchmark]: BuchiAutomizer took 1063.11ms. Allocated memory was 77.6MB in the beginning and 121.6MB in the end (delta: 44.0MB). Free memory was 51.9MB in the beginning and 99.9MB in the end (delta: -48.0MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2021-12-28 09:04:23,058 INFO L158 Benchmark]: Witness Printer took 33.77ms. Allocated memory is still 121.6MB. Free memory was 99.0MB in the beginning and 98.1MB in the end (delta: 884.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:04:23,059 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 77.6MB. Free memory was 58.1MB in the beginning and 58.0MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 132.66ms. Allocated memory is still 77.6MB. Free memory was 59.2MB in the beginning and 50.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.60ms. Allocated memory is still 77.6MB. Free memory was 50.4MB in the beginning and 49.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.70ms. Allocated memory is still 77.6MB. Free memory was 49.0MB in the beginning and 60.2MB in the end (delta: -11.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 199.14ms. Allocated memory is still 77.6MB. Free memory was 60.2MB in the beginning and 51.9MB in the end (delta: 8.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1063.11ms. Allocated memory was 77.6MB in the beginning and 121.6MB in the end (delta: 44.0MB). Free memory was 51.9MB in the beginning and 99.9MB in the end (delta: -48.0MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * Witness Printer took 33.77ms. Allocated memory is still 121.6MB. Free memory was 99.0MB in the beginning and 98.1MB in the end (delta: 884.2kB). 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 (1 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function -2 * i + 199 and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 23 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax220 hnf100 lsp45 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 57ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 31]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {i=0, \result=0, c=864} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 31]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int c; [L7] int i; [L8] c = (24*6)*6 [L10] COND FALSE !(c <= 10) [L17] COND FALSE !(c <= 50) [L23] COND FALSE !(c <= 100) [L30] i = 0 Loop: [L31] COND TRUE i < 103 [L32] i = i+0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-28 09:04:23,104 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)