./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-regression/ex3_forlist.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/ldv-regression/ex3_forlist.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash 33fdb29d081e8788960943f1182fbfb10ca7dcdfe7c31b22aaab16bda45fd1b8 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 15:04:26,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 15:04:26,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 15:04:26,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 15:04:26,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 15:04:26,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 15:04:26,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 15:04:26,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 15:04:26,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 15:04:26,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 15:04:26,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 15:04:26,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 15:04:26,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 15:04:26,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 15:04:26,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 15:04:26,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 15:04:26,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 15:04:26,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 15:04:26,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 15:04:26,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 15:04:26,759 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 15:04:26,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 15:04:26,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 15:04:26,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 15:04:26,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 15:04:26,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 15:04:26,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 15:04:26,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 15:04:26,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 15:04:26,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 15:04:26,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 15:04:26,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 15:04:26,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 15:04:26,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 15:04:26,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 15:04:26,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 15:04:26,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 15:04:26,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 15:04:26,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 15:04:26,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 15:04:26,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 15:04:26,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 15:04:26,785 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-23 15:04:26,806 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 15:04:26,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 15:04:26,807 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 15:04:26,807 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 15:04:26,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 15:04:26,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 15:04:26,809 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 15:04:26,809 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 15:04:26,809 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 15:04:26,810 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 15:04:26,810 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 15:04:26,810 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 15:04:26,810 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 15:04:26,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 15:04:26,810 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 15:04:26,811 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 15:04:26,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 15:04:26,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 15:04:26,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 15:04:26,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 15:04:26,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 15:04:26,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 15:04:26,813 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 15:04:26,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 15:04:26,813 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 15:04:26,813 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 15:04:26,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 15:04:26,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 15:04:26,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 15:04:26,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 15:04:26,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 15:04:26,816 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 15:04:26,816 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33fdb29d081e8788960943f1182fbfb10ca7dcdfe7c31b22aaab16bda45fd1b8 [2022-07-23 15:04:26,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 15:04:27,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 15:04:27,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 15:04:27,020 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 15:04:27,020 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 15:04:27,021 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/ex3_forlist.i [2022-07-23 15:04:27,074 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6e4a3fe0/e8a26271f9ea4912bffef0b2b4e96adc/FLAG312b3c414 [2022-07-23 15:04:27,423 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 15:04:27,423 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/ex3_forlist.i [2022-07-23 15:04:27,426 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6e4a3fe0/e8a26271f9ea4912bffef0b2b4e96adc/FLAG312b3c414 [2022-07-23 15:04:27,435 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6e4a3fe0/e8a26271f9ea4912bffef0b2b4e96adc [2022-07-23 15:04:27,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 15:04:27,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 15:04:27,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 15:04:27,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 15:04:27,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 15:04:27,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:04:27" (1/1) ... [2022-07-23 15:04:27,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e751c5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:04:27, skipping insertion in model container [2022-07-23 15:04:27,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:04:27" (1/1) ... [2022-07-23 15:04:27,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 15:04:27,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 15:04:27,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/ex3_forlist.i[293,306] [2022-07-23 15:04:27,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:04:27,602 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 15:04:27,613 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/ex3_forlist.i[293,306] [2022-07-23 15:04:27,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:04:27,633 INFO L208 MainTranslator]: Completed translation [2022-07-23 15:04:27,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:04:27 WrapperNode [2022-07-23 15:04:27,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 15:04:27,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 15:04:27,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 15:04:27,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 15:04:27,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:04:27" (1/1) ... [2022-07-23 15:04:27,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:04:27" (1/1) ... [2022-07-23 15:04:27,669 INFO L137 Inliner]: procedures = 19, calls = 29, calls flagged for inlining = 10, calls inlined = 11, statements flattened = 138 [2022-07-23 15:04:27,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 15:04:27,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 15:04:27,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 15:04:27,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 15:04:27,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:04:27" (1/1) ... [2022-07-23 15:04:27,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:04:27" (1/1) ... [2022-07-23 15:04:27,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:04:27" (1/1) ... [2022-07-23 15:04:27,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:04:27" (1/1) ... [2022-07-23 15:04:27,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:04:27" (1/1) ... [2022-07-23 15:04:27,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:04:27" (1/1) ... [2022-07-23 15:04:27,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:04:27" (1/1) ... [2022-07-23 15:04:27,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 15:04:27,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 15:04:27,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 15:04:27,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 15:04:27,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:04:27" (1/1) ... [2022-07-23 15:04:27,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:04:27,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:04:27,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:04:27,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-23 15:04:27,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 15:04:27,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 15:04:27,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 15:04:27,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 15:04:27,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 15:04:27,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 15:04:27,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 15:04:27,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 15:04:27,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 15:04:27,791 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 15:04:27,792 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 15:04:28,002 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 15:04:28,006 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 15:04:28,006 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-07-23 15:04:28,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:04:28 BoogieIcfgContainer [2022-07-23 15:04:28,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 15:04:28,008 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 15:04:28,008 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 15:04:28,011 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 15:04:28,011 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:04:28,011 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 03:04:27" (1/3) ... [2022-07-23 15:04:28,012 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@412fd662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:04:28, skipping insertion in model container [2022-07-23 15:04:28,012 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:04:28,012 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:04:27" (2/3) ... [2022-07-23 15:04:28,012 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@412fd662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:04:28, skipping insertion in model container [2022-07-23 15:04:28,013 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:04:28,013 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:04:28" (3/3) ... [2022-07-23 15:04:28,014 INFO L354 chiAutomizerObserver]: Analyzing ICFG ex3_forlist.i [2022-07-23 15:04:28,062 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 15:04:28,062 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 15:04:28,062 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 15:04:28,062 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 15:04:28,062 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 15:04:28,063 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 15:04:28,063 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 15:04:28,063 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 15:04:28,068 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 35 states, 34 states have (on average 1.5) internal successors, (51), 34 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:04:28,090 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 22 [2022-07-23 15:04:28,091 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:04:28,091 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:04:28,101 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-23 15:04:28,101 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 15:04:28,101 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 15:04:28,102 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 35 states, 34 states have (on average 1.5) internal successors, (51), 34 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:04:28,106 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 22 [2022-07-23 15:04:28,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:04:28,106 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:04:28,107 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-23 15:04:28,107 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-23 15:04:28,112 INFO L752 eck$LassoCheckResult]: Stem: 18#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2);call #Ultimate.allocInit(12, 3);~#pp~0.base, ~#pp~0.offset := 4, 0;call #Ultimate.allocInit(8, 4);call write~init~$Pointer$(0, 0, ~#pp~0.base, ~#pp~0.offset, 4);call write~init~$Pointer$(0, 0, ~#pp~0.base, 4 + ~#pp~0.offset, 4);~#pstate~0.base, ~#pstate~0.offset := 5, 0;call #Ultimate.allocInit(8, 5);call write~init~int(0, ~#pstate~0.base, ~#pstate~0.offset, 4);call write~init~int(0, ~#pstate~0.base, 4 + ~#pstate~0.offset, 4);~counter~0 := 1; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret11#1.base, main_#t~ret11#1.offset, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~b~0#1.base, main_~b~0#1.offset;havoc main_~a~0#1.base, main_~a~0#1.offset;havoc main_~b~0#1.base, main_~b~0#1.offset;assume { :begin_inline_init } true;havoc init_#t~post4#1, init_~i~0#1;havoc init_~i~0#1;init_~i~0#1 := 0; 35#L19-3true [2022-07-23 15:04:28,113 INFO L754 eck$LassoCheckResult]: Loop: 35#L19-3true assume !!(init_~i~0#1 < 2);call write~$Pointer$(0, 0, ~#pp~0.base, ~#pp~0.offset + 4 * init_~i~0#1, 4);call write~int(0, ~#pstate~0.base, ~#pstate~0.offset + 4 * init_~i~0#1, 4); 2#L19-2true init_#t~post4#1 := init_~i~0#1;init_~i~0#1 := 1 + init_#t~post4#1;havoc init_#t~post4#1; 35#L19-3true [2022-07-23 15:04:28,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:04:28,124 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-07-23 15:04:28,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:04:28,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071416208] [2022-07-23 15:04:28,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:04:28,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:04:28,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:04:28,220 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:04:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:04:28,261 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:04:28,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:04:28,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2022-07-23 15:04:28,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:04:28,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594310463] [2022-07-23 15:04:28,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:04:28,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:04:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:04:28,314 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:04:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:04:28,353 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:04:28,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:04:28,356 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2022-07-23 15:04:28,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:04:28,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985343681] [2022-07-23 15:04:28,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:04:28,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:04:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:04:28,403 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:04:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:04:28,432 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:04:28,852 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:04:28,853 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:04:28,853 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:04:28,853 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:04:28,853 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 15:04:28,853 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:04:28,854 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:04:28,854 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:04:28,854 INFO L133 ssoRankerPreferences]: Filename of dumped script: ex3_forlist.i_Iteration1_Lasso [2022-07-23 15:04:28,854 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:04:28,854 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:04:28,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:04:28,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:04:28,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:04:28,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:04:29,017 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) [2022-07-23 15:04:29,023 INFO L158 Benchmark]: Toolchain (without parser) took 1584.74ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 73.9MB in the beginning and 98.8MB in the end (delta: -24.9MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2022-07-23 15:04:29,023 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 102.8MB. Free memory was 57.3MB in the beginning and 57.2MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:04:29,024 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.61ms. Allocated memory is still 102.8MB. Free memory was 73.9MB in the beginning and 77.8MB in the end (delta: -3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-23 15:04:29,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.76ms. Allocated memory is still 102.8MB. Free memory was 77.8MB in the beginning and 75.8MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-23 15:04:29,026 INFO L158 Benchmark]: Boogie Preprocessor took 18.77ms. Allocated memory is still 102.8MB. Free memory was 75.8MB in the beginning and 74.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:04:29,026 INFO L158 Benchmark]: RCFGBuilder took 318.53ms. Allocated memory is still 102.8MB. Free memory was 74.5MB in the beginning and 59.8MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-23 15:04:29,027 INFO L158 Benchmark]: BuchiAutomizer took 1013.58ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 59.4MB in the beginning and 98.8MB in the end (delta: -39.3MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2022-07-23 15:04:29,029 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 102.8MB. Free memory was 57.3MB in the beginning and 57.2MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 194.61ms. Allocated memory is still 102.8MB. Free memory was 73.9MB in the beginning and 77.8MB in the end (delta: -3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.76ms. Allocated memory is still 102.8MB. Free memory was 77.8MB in the beginning and 75.8MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.77ms. Allocated memory is still 102.8MB. Free memory was 75.8MB in the beginning and 74.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 318.53ms. Allocated memory is still 102.8MB. Free memory was 74.5MB in the beginning and 59.8MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 1013.58ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 59.4MB in the beginning and 98.8MB in the end (delta: -39.3MB). Peak memory consumption was 28.9MB. 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. [2022-07-23 15:04:29,054 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with 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*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: null