./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6c24879c 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-memory-alloca/array01-alloca-1.i -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 edc22a27a339ef391e3ea3841daa4645b584cc0ad7185141d6d001b72dd17f19 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 03:18:58,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 03:18:58,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 03:18:58,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 03:18:58,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 03:18:58,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 03:18:58,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 03:18:58,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 03:18:58,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 03:18:58,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 03:18:58,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 03:18:58,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 03:18:58,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 03:18:58,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 03:18:58,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 03:18:58,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 03:18:58,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 03:18:58,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 03:18:58,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 03:18:58,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 03:18:58,726 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 03:18:58,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 03:18:58,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 03:18:58,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 03:18:58,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 03:18:58,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 03:18:58,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 03:18:58,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 03:18:58,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 03:18:58,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 03:18:58,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 03:18:58,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 03:18:58,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 03:18:58,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 03:18:58,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 03:18:58,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 03:18:58,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 03:18:58,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 03:18:58,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 03:18:58,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 03:18:58,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 03:18:58,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 03:18:58,737 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-13 03:18:58,758 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 03:18:58,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 03:18:58,759 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 03:18:58,759 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 03:18:58,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 03:18:58,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 03:18:58,761 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 03:18:58,761 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 03:18:58,761 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 03:18:58,761 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 03:18:58,762 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 03:18:58,762 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 03:18:58,762 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 03:18:58,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 03:18:58,762 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 03:18:58,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 03:18:58,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 03:18:58,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 03:18:58,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 03:18:58,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 03:18:58,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 03:18:58,764 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 03:18:58,764 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 03:18:58,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 03:18:58,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 03:18:58,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 03:18:58,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 03:18:58,765 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 03:18:58,766 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 03:18:58,766 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> edc22a27a339ef391e3ea3841daa4645b584cc0ad7185141d6d001b72dd17f19 [2022-07-13 03:18:58,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 03:18:59,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 03:18:59,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 03:18:59,012 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 03:18:59,012 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 03:18:59,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i [2022-07-13 03:18:59,055 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/454792199/508b5a8ff6d040b99c2bbd5ae4a17aa0/FLAGa15ee10e6 [2022-07-13 03:18:59,470 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 03:18:59,471 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i [2022-07-13 03:18:59,484 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/454792199/508b5a8ff6d040b99c2bbd5ae4a17aa0/FLAGa15ee10e6 [2022-07-13 03:18:59,495 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/454792199/508b5a8ff6d040b99c2bbd5ae4a17aa0 [2022-07-13 03:18:59,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 03:18:59,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 03:18:59,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 03:18:59,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 03:18:59,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 03:18:59,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 03:18:59" (1/1) ... [2022-07-13 03:18:59,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3662e92b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:18:59, skipping insertion in model container [2022-07-13 03:18:59,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 03:18:59" (1/1) ... [2022-07-13 03:18:59,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 03:18:59,526 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 03:18:59,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 03:18:59,805 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 03:18:59,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 03:18:59,861 INFO L208 MainTranslator]: Completed translation [2022-07-13 03:18:59,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:18:59 WrapperNode [2022-07-13 03:18:59,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 03:18:59,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 03:18:59,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 03:18:59,863 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 03:18:59,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:18:59" (1/1) ... [2022-07-13 03:18:59,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:18:59" (1/1) ... [2022-07-13 03:18:59,900 INFO L137 Inliner]: procedures = 111, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2022-07-13 03:18:59,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 03:18:59,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 03:18:59,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 03:18:59,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 03:18:59,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:18:59" (1/1) ... [2022-07-13 03:18:59,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:18:59" (1/1) ... [2022-07-13 03:18:59,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:18:59" (1/1) ... [2022-07-13 03:18:59,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:18:59" (1/1) ... [2022-07-13 03:18:59,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:18:59" (1/1) ... [2022-07-13 03:18:59,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:18:59" (1/1) ... [2022-07-13 03:18:59,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:18:59" (1/1) ... [2022-07-13 03:18:59,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 03:18:59,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 03:18:59,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 03:18:59,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 03:18:59,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:18:59" (1/1) ... [2022-07-13 03:18:59,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:18:59,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:18:59,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:18:59,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-13 03:18:59,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 03:18:59,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 03:18:59,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 03:18:59,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 03:18:59,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 03:18:59,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 03:19:00,090 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 03:19:00,091 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 03:19:00,186 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 03:19:00,190 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 03:19:00,190 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-13 03:19:00,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:19:00 BoogieIcfgContainer [2022-07-13 03:19:00,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 03:19:00,192 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-13 03:19:00,192 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-13 03:19:00,196 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-13 03:19:00,197 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:19:00,197 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.07 03:18:59" (1/3) ... [2022-07-13 03:19:00,198 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4317373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 03:19:00, skipping insertion in model container [2022-07-13 03:19:00,198 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:19:00,198 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:18:59" (2/3) ... [2022-07-13 03:19:00,198 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4317373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 03:19:00, skipping insertion in model container [2022-07-13 03:19:00,198 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:19:00,199 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:19:00" (3/3) ... [2022-07-13 03:19:00,199 INFO L354 chiAutomizerObserver]: Analyzing ICFG array01-alloca-1.i [2022-07-13 03:19:00,233 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-13 03:19:00,233 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-13 03:19:00,233 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-13 03:19:00,233 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-13 03:19:00,234 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-13 03:19:00,234 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-13 03:19:00,234 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-13 03:19:00,234 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-13 03:19:00,236 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:19:00,247 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-13 03:19:00,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:19:00,247 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:19:00,251 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-13 03:19:00,251 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-13 03:19:00,251 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-13 03:19:00,251 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:19:00,252 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-13 03:19:00,252 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:19:00,253 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:19:00,253 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-13 03:19:00,253 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-13 03:19:00,257 INFO L752 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 4#L561true assume !(main_~array_size~0#1 < 1); 7#L561-2true call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~1#1 := 0; 11#L565-3true [2022-07-13 03:19:00,257 INFO L754 eck$LassoCheckResult]: Loop: 11#L565-3true assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 13#L565-2true main_#t~post9#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 11#L565-3true [2022-07-13 03:19:00,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:19:00,261 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2022-07-13 03:19:00,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:19:00,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170833637] [2022-07-13 03:19:00,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:19:00,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:19:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:00,333 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:19:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:00,365 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:19:00,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:19:00,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2022-07-13 03:19:00,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:19:00,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990339311] [2022-07-13 03:19:00,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:19:00,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:19:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:00,392 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:19:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:00,404 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:19:00,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:19:00,411 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2022-07-13 03:19:00,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:19:00,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334564545] [2022-07-13 03:19:00,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:19:00,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:19:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:00,432 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:19:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:00,445 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:19:00,603 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 03:19:00,603 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 03:19:00,603 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 03:19:00,604 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 03:19:00,604 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-13 03:19:00,604 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:00,604 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 03:19:00,604 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 03:19:00,604 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-1.i_Iteration1_Lasso [2022-07-13 03:19:00,604 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 03:19:00,605 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 03:19:00,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:00,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:00,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:00,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:00,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:00,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:00,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:00,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:00,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:00,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:00,948 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 03:19:00,950 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-13 03:19:00,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:00,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:00,956 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:00,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-13 03:19:00,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:00,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:00,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:19:00,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:00,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:00,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:00,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:19:00,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:19:00,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:01,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-07-13 03:19:01,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:01,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:01,032 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:01,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-13 03:19:01,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:01,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:01,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:19:01,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:01,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:01,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:01,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:19:01,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:19:01,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:01,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-13 03:19:01,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:01,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:01,133 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:01,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-13 03:19:01,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:01,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:01,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:01,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:01,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:01,145 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:19:01,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:19:01,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:01,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-13 03:19:01,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:01,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:01,195 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:01,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-13 03:19:01,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:01,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:01,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:01,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:01,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:01,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:19:01,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:19:01,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:01,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-13 03:19:01,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:01,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:01,251 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:01,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-13 03:19:01,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:01,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:01,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:19:01,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:01,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:01,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:01,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:19:01,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:19:01,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:01,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-07-13 03:19:01,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:01,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:01,338 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:01,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-13 03:19:01,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:01,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:01,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:01,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:01,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:01,349 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:19:01,349 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:19:01,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:01,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-13 03:19:01,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:01,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:01,394 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:01,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-13 03:19:01,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:01,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:01,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:01,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:01,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:01,405 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:19:01,405 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:19:01,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:01,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-13 03:19:01,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:01,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:01,432 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:01,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-13 03:19:01,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:01,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:01,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:19:01,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:01,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:01,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:01,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:19:01,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:19:01,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:19:01,466 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-07-13 03:19:01,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:01,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:01,468 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:01,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-13 03:19:01,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:19:01,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:19:01,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:19:01,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:19:01,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:19:01,482 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:19:01,482 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:19:01,495 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-13 03:19:01,520 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2022-07-13 03:19:01,520 INFO L444 ModelExtractionUtils]: 7 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-07-13 03:19:01,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:01,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:19:01,532 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:19:01,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-13 03:19:01,560 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-13 03:19:01,584 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-13 03:19:01,585 INFO L513 LassoAnalysis]: Proved termination. [2022-07-13 03:19:01,585 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1) = -2*ULTIMATE.start_main_~i~1#1 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1 Supporting invariants [1*v_rep(select #length ULTIMATE.start_main_~numbers~0#1.base)_1 - 2*ULTIMATE.start_main_~array_size~0#1 >= 0] [2022-07-13 03:19:01,603 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-07-13 03:19:01,622 INFO L293 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2022-07-13 03:19:01,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:19:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:19:01,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 03:19:01,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:19:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:19:01,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-13 03:19:01,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:19:01,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:19:01,747 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-07-13 03:19:01,748 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:19:01,812 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 50 transitions. Complement of second has 9 states. [2022-07-13 03:19:01,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-13 03:19:01,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:19:01,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 32 transitions. [2022-07-13 03:19:01,819 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-13 03:19:01,819 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:19:01,820 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 6 letters. Loop has 2 letters. [2022-07-13 03:19:01,821 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:19:01,821 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 4 letters. Loop has 4 letters. [2022-07-13 03:19:01,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:19:01,822 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 50 transitions. [2022-07-13 03:19:01,824 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-13 03:19:01,826 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 12 states and 16 transitions. [2022-07-13 03:19:01,826 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-07-13 03:19:01,827 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-07-13 03:19:01,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2022-07-13 03:19:01,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 03:19:01,827 INFO L369 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2022-07-13 03:19:01,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2022-07-13 03:19:01,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2022-07-13 03:19:01,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:19:01,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2022-07-13 03:19:01,842 INFO L392 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2022-07-13 03:19:01,842 INFO L374 stractBuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2022-07-13 03:19:01,843 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-13 03:19:01,843 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2022-07-13 03:19:01,843 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-13 03:19:01,843 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:19:01,843 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:19:01,844 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-07-13 03:19:01,844 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-13 03:19:01,844 INFO L752 eck$LassoCheckResult]: Stem: 125#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 126#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 129#L561 assume !(main_~array_size~0#1 < 1); 130#L561-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~1#1 := 0; 121#L565-3 assume !(main_~i~1#1 < main_~array_size~0#1); 123#L565-4 assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#res#1;havoc test_fun_#t~mem4#1, test_fun_#t~post5#1, test_fun_#t~post6#1, test_fun_#t~mem3#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;test_fun_~res~0#1 := 0;test_fun_~i~0#1 := 0; 132#L551-3 [2022-07-13 03:19:01,844 INFO L754 eck$LassoCheckResult]: Loop: 132#L551-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 127#L552-3 call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 128#L552-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 131#L551-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 132#L551-3 [2022-07-13 03:19:01,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:19:01,845 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2022-07-13 03:19:01,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:19:01,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254657324] [2022-07-13 03:19:01,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:19:01,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:19:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:19:01,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:19:01,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 03:19:01,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254657324] [2022-07-13 03:19:01,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254657324] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 03:19:01,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 03:19:01,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 03:19:01,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346434773] [2022-07-13 03:19:01,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 03:19:01,883 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-13 03:19:01,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:19:01,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1882892, now seen corresponding path program 1 times [2022-07-13 03:19:01,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:19:01,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631118311] [2022-07-13 03:19:01,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:19:01,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:19:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:01,888 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:19:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:01,891 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:19:01,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 03:19:01,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 03:19:01,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 03:19:01,922 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:19:01,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 03:19:01,936 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2022-07-13 03:19:01,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 03:19:01,937 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2022-07-13 03:19:01,937 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-13 03:19:01,938 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 16 transitions. [2022-07-13 03:19:01,938 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-07-13 03:19:01,938 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-07-13 03:19:01,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2022-07-13 03:19:01,938 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 03:19:01,938 INFO L369 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-07-13 03:19:01,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2022-07-13 03:19:01,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2022-07-13 03:19:01,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:19:01,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2022-07-13 03:19:01,940 INFO L392 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-07-13 03:19:01,940 INFO L374 stractBuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-07-13 03:19:01,940 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-13 03:19:01,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2022-07-13 03:19:01,940 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-13 03:19:01,940 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:19:01,940 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:19:01,941 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 03:19:01,941 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-13 03:19:01,941 INFO L752 eck$LassoCheckResult]: Stem: 153#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 154#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 155#L561 assume !(main_~array_size~0#1 < 1); 156#L561-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~1#1 := 0; 157#L565-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 158#L565-2 main_#t~post9#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 159#L565-3 assume !(main_~i~1#1 < main_~array_size~0#1); 160#L565-4 assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#res#1;havoc test_fun_#t~mem4#1, test_fun_#t~post5#1, test_fun_#t~post6#1, test_fun_#t~mem3#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;test_fun_~res~0#1 := 0;test_fun_~i~0#1 := 0; 164#L551-3 [2022-07-13 03:19:01,941 INFO L754 eck$LassoCheckResult]: Loop: 164#L551-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 161#L552-3 call test_fun_#t~mem3#1 := read~int(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 162#L552-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 163#L551-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 164#L551-3 [2022-07-13 03:19:01,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:19:01,942 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2022-07-13 03:19:01,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:19:01,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562898629] [2022-07-13 03:19:01,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:19:01,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:19:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:01,951 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:19:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:01,960 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:19:01,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:19:01,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1882892, now seen corresponding path program 2 times [2022-07-13 03:19:01,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:19:01,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735009400] [2022-07-13 03:19:01,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:19:01,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:19:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:01,965 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:19:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:01,993 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:19:01,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:19:01,993 INFO L85 PathProgramCache]: Analyzing trace with hash -357810950, now seen corresponding path program 1 times [2022-07-13 03:19:01,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:19:01,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944647925] [2022-07-13 03:19:01,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:19:01,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:19:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:02,004 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:19:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:19:02,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-13 03:19:02,028 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:19:02,285 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 03:19:02,286 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 03:19:02,286 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 03:19:02,286 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 03:19:02,286 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-13 03:19:02,286 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:19:02,286 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 03:19:02,286 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 03:19:02,286 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-1.i_Iteration3_Lasso [2022-07-13 03:19:02,287 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 03:19:02,287 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 03:19:02,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:02,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:02,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:02,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:02,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:02,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:19:02,313 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.IllegalArgumentException at de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.put(ScopedHashMap.java:331) at java.base/java.util.AbstractMap.putAll(AbstractMap.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.PureSubstitution.(PureSubstitution.java:81) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.(Substitution.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.apply(Substitution.java:59) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceMapReads(MapEliminator.java:518) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:342) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:109) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:280) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:601) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:914) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:823) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:247) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:310) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:363) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-13 03:19:02,316 INFO L158 Benchmark]: Toolchain (without parser) took 2817.81ms. Allocated memory is still 153.1MB. Free memory was 120.0MB in the beginning and 95.5MB in the end (delta: 24.5MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2022-07-13 03:19:02,317 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 94.4MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 03:19:02,317 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.01ms. Allocated memory is still 153.1MB. Free memory was 120.0MB in the beginning and 122.8MB in the end (delta: -2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 03:19:02,317 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.08ms. Allocated memory is still 153.1MB. Free memory was 122.4MB in the beginning and 120.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 03:19:02,318 INFO L158 Benchmark]: Boogie Preprocessor took 27.79ms. Allocated memory is still 153.1MB. Free memory was 120.7MB in the beginning and 119.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 03:19:02,318 INFO L158 Benchmark]: RCFGBuilder took 261.98ms. Allocated memory is still 153.1MB. Free memory was 119.3MB in the beginning and 108.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 03:19:02,318 INFO L158 Benchmark]: BuchiAutomizer took 2122.97ms. Allocated memory is still 153.1MB. Free memory was 108.9MB in the beginning and 95.5MB in the end (delta: 13.4MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2022-07-13 03:19:02,320 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 94.4MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.01ms. Allocated memory is still 153.1MB. Free memory was 120.0MB in the beginning and 122.8MB in the end (delta: -2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.08ms. Allocated memory is still 153.1MB. Free memory was 122.4MB in the beginning and 120.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.79ms. Allocated memory is still 153.1MB. Free memory was 120.7MB in the beginning and 119.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 261.98ms. Allocated memory is still 153.1MB. Free memory was 119.3MB in the beginning and 108.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2122.97ms. Allocated memory is still 153.1MB. Free memory was 108.9MB in the beginning and 95.5MB in the end (delta: 13.4MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: IllegalArgumentException: null de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: IllegalArgumentException: null: de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.put(ScopedHashMap.java:331) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-07-13 03:19:02,343 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 Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: null