./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-regression/test24-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 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/test24-1.c -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 61e163c7079e2ec105ad677de51f27ac7eccc49ef492909c4fa51ebc02ead9b7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 02:16:27,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 02:16:27,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 02:16:27,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 02:16:27,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 02:16:27,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 02:16:27,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 02:16:27,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 02:16:27,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 02:16:27,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 02:16:27,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 02:16:27,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 02:16:27,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 02:16:27,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 02:16:27,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 02:16:27,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 02:16:27,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 02:16:27,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 02:16:27,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 02:16:27,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 02:16:27,590 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 02:16:27,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 02:16:27,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 02:16:27,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 02:16:27,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 02:16:27,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 02:16:27,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 02:16:27,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 02:16:27,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 02:16:27,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 02:16:27,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 02:16:27,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 02:16:27,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 02:16:27,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 02:16:27,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 02:16:27,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 02:16:27,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 02:16:27,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 02:16:27,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 02:16:27,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 02:16:27,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 02:16:27,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 02:16:27,612 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-22 02:16:27,644 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 02:16:27,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 02:16:27,645 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 02:16:27,645 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 02:16:27,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 02:16:27,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 02:16:27,646 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 02:16:27,647 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 02:16:27,647 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 02:16:27,647 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 02:16:27,648 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 02:16:27,648 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 02:16:27,648 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 02:16:27,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 02:16:27,648 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 02:16:27,648 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 02:16:27,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 02:16:27,649 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 02:16:27,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 02:16:27,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 02:16:27,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 02:16:27,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 02:16:27,650 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 02:16:27,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 02:16:27,650 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 02:16:27,650 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 02:16:27,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 02:16:27,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 02:16:27,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 02:16:27,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 02:16:27,651 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 02:16:27,653 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 02:16:27,653 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61e163c7079e2ec105ad677de51f27ac7eccc49ef492909c4fa51ebc02ead9b7 [2022-07-22 02:16:27,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 02:16:27,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 02:16:27,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 02:16:27,937 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 02:16:27,937 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 02:16:27,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test24-1.c [2022-07-22 02:16:27,984 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8e7486a9/194ddd4dd053464eb69a5e1692e6da2e/FLAGe5cf71652 [2022-07-22 02:16:28,433 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 02:16:28,434 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test24-1.c [2022-07-22 02:16:28,439 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8e7486a9/194ddd4dd053464eb69a5e1692e6da2e/FLAGe5cf71652 [2022-07-22 02:16:28,842 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8e7486a9/194ddd4dd053464eb69a5e1692e6da2e [2022-07-22 02:16:28,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 02:16:28,848 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 02:16:28,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 02:16:28,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 02:16:28,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 02:16:28,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:16:28" (1/1) ... [2022-07-22 02:16:28,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b358a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:16:28, skipping insertion in model container [2022-07-22 02:16:28,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:16:28" (1/1) ... [2022-07-22 02:16:28,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 02:16:28,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 02:16:28,982 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/test24-1.c[704,717] [2022-07-22 02:16:28,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:16:28,990 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 02:16:29,012 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/test24-1.c[704,717] [2022-07-22 02:16:29,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:16:29,033 INFO L208 MainTranslator]: Completed translation [2022-07-22 02:16:29,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:16:29 WrapperNode [2022-07-22 02:16:29,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 02:16:29,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 02:16:29,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 02:16:29,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 02:16:29,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:16:29" (1/1) ... [2022-07-22 02:16:29,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:16:29" (1/1) ... [2022-07-22 02:16:29,087 INFO L137 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57 [2022-07-22 02:16:29,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 02:16:29,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 02:16:29,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 02:16:29,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 02:16:29,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:16:29" (1/1) ... [2022-07-22 02:16:29,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:16:29" (1/1) ... [2022-07-22 02:16:29,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:16:29" (1/1) ... [2022-07-22 02:16:29,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:16:29" (1/1) ... [2022-07-22 02:16:29,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:16:29" (1/1) ... [2022-07-22 02:16:29,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:16:29" (1/1) ... [2022-07-22 02:16:29,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:16:29" (1/1) ... [2022-07-22 02:16:29,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 02:16:29,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 02:16:29,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 02:16:29,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 02:16:29,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:16:29" (1/1) ... [2022-07-22 02:16:29,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:16:29,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:16:29,156 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) [2022-07-22 02:16:29,163 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 [2022-07-22 02:16:29,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 02:16:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 02:16:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 02:16:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 02:16:29,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 02:16:29,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 02:16:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 02:16:29,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 02:16:29,264 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 02:16:29,266 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 02:16:29,425 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 02:16:29,430 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 02:16:29,432 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-22 02:16:29,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:16:29 BoogieIcfgContainer [2022-07-22 02:16:29,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 02:16:29,438 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 02:16:29,438 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 02:16:29,441 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 02:16:29,451 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:16:29,451 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 02:16:28" (1/3) ... [2022-07-22 02:16:29,452 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6239f2ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:16:29, skipping insertion in model container [2022-07-22 02:16:29,452 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:16:29,453 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:16:29" (2/3) ... [2022-07-22 02:16:29,453 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6239f2ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:16:29, skipping insertion in model container [2022-07-22 02:16:29,453 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:16:29,453 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:16:29" (3/3) ... [2022-07-22 02:16:29,454 INFO L354 chiAutomizerObserver]: Analyzing ICFG test24-1.c [2022-07-22 02:16:29,503 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 02:16:29,503 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 02:16:29,503 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 02:16:29,504 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 02:16:29,504 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 02:16:29,504 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 02:16:29,504 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 02:16:29,510 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 02:16:29,512 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 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) [2022-07-22 02:16:29,523 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-22 02:16:29,523 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:16:29,524 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:16:29,529 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-22 02:16:29,529 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 02:16:29,529 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 02:16:29,530 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 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) [2022-07-22 02:16:29,531 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-22 02:16:29,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:16:29,531 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:16:29,532 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-22 02:16:29,532 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 02:16:29,537 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;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~mem6#1, main_#t~pre8#1, main_#t~mem7#1, main_#t~ret9#1, main_~#ad1~0#1.base, main_~#ad1~0#1.offset, main_~ad2~0#1.base, main_~ad2~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#ad1~0#1.base, main_~#ad1~0#1.offset := #Ultimate.allocOnStack(80);havoc main_~ad2~0#1.base, main_~ad2~0#1.offset;havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;main_~i~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10#L23true assume main_~i~0#1 >= 0 && main_~i~0#1 < 10;main_~ad2~0#1.base, main_~ad2~0#1.offset := main_~#ad1~0#1.base, main_~#ad1~0#1.offset;call write~int(main_~i~0#1, main_~#ad1~0#1.base, main_~#ad1~0#1.offset + 8 * main_~i~0#1, 4);main_~pa~0#1.base, main_~pa~0#1.offset := main_~#ad1~0#1.base, main_~#ad1~0#1.offset + 8 * main_~i~0#1;call main_#t~mem6#1 := read~int(main_~ad2~0#1.base, main_~ad2~0#1.offset + 8 * main_~i~0#1, 4);main_~i~0#1 := main_#t~mem6#1 - 10;havoc main_#t~mem6#1; 11#L28-3true [2022-07-22 02:16:29,538 INFO L754 eck$LassoCheckResult]: Loop: 11#L28-3true call main_#t~mem7#1 := read~int(main_~pa~0#1.base, main_~pa~0#1.offset, 4); 9#L28-1true assume !!(main_~i~0#1 < main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~pre8#1 := 1 + main_~i~0#1;main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~pre8#1; 11#L28-3true [2022-07-22 02:16:29,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:16:29,547 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-07-22 02:16:29,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:16:29,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794489547] [2022-07-22 02:16:29,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:16:29,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:16:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:16:29,665 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:16:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:16:29,711 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:16:29,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:16:29,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1286, now seen corresponding path program 1 times [2022-07-22 02:16:29,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:16:29,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259053212] [2022-07-22 02:16:29,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:16:29,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:16:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:16:29,732 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:16:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:16:29,744 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:16:29,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:16:29,745 INFO L85 PathProgramCache]: Analyzing trace with hash 28693863, now seen corresponding path program 1 times [2022-07-22 02:16:29,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:16:29,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614708325] [2022-07-22 02:16:29,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:16:29,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:16:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:16:29,781 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:16:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:16:29,813 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:16:30,320 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 02:16:30,321 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 02:16:30,321 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 02:16:30,321 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 02:16:30,321 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 02:16:30,321 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:16:30,321 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 02:16:30,321 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 02:16:30,321 INFO L133 ssoRankerPreferences]: Filename of dumped script: test24-1.c_Iteration1_Lasso [2022-07-22 02:16:30,322 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 02:16:30,322 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 02:16:30,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:16:30,681 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:111) 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) [2022-07-22 02:16:30,685 INFO L158 Benchmark]: Toolchain (without parser) took 1836.15ms. Allocated memory was 54.5MB in the beginning and 81.8MB in the end (delta: 27.3MB). Free memory was 31.4MB in the beginning and 46.7MB in the end (delta: -15.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-07-22 02:16:30,687 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 54.5MB. Free memory was 35.2MB in the beginning and 35.2MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:16:30,688 INFO L158 Benchmark]: CACSL2BoogieTranslator took 175.08ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.2MB in the beginning and 50.8MB in the end (delta: -19.6MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-07-22 02:16:30,689 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.58ms. Allocated memory is still 67.1MB. Free memory was 50.8MB in the beginning and 49.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:16:30,690 INFO L158 Benchmark]: Boogie Preprocessor took 36.37ms. Allocated memory is still 67.1MB. Free memory was 49.1MB in the beginning and 48.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:16:30,691 INFO L158 Benchmark]: RCFGBuilder took 310.80ms. Allocated memory is still 67.1MB. Free memory was 47.9MB in the beginning and 38.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-22 02:16:30,691 INFO L158 Benchmark]: BuchiAutomizer took 1245.25ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 38.3MB in the beginning and 46.7MB in the end (delta: -8.4MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2022-07-22 02:16:30,696 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 54.5MB. Free memory was 35.2MB in the beginning and 35.2MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 175.08ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.2MB in the beginning and 50.8MB in the end (delta: -19.6MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.58ms. Allocated memory is still 67.1MB. Free memory was 50.8MB in the beginning and 49.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.37ms. Allocated memory is still 67.1MB. Free memory was 49.1MB in the beginning and 48.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 310.80ms. Allocated memory is still 67.1MB. Free memory was 47.9MB in the beginning and 38.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1245.25ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 38.3MB in the beginning and 46.7MB in the end (delta: -8.4MB). Peak memory consumption was 15.2MB. 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. [2022-07-22 02:16:30,733 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*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