./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/java_Sequence-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e19ca921 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/java_Sequence-alloca.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 d628f3524885345eb9e2318f2d0dbb026e233c3bcc51319b2ad8fc1a71d35580 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 19:53:48,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 19:53:48,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 19:53:48,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 19:53:48,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 19:53:48,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 19:53:48,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 19:53:48,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 19:53:48,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 19:53:48,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 19:53:48,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 19:53:48,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 19:53:48,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 19:53:48,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 19:53:48,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 19:53:48,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 19:53:48,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 19:53:48,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 19:53:48,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 19:53:48,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 19:53:48,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 19:53:48,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 19:53:48,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 19:53:48,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 19:53:48,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 19:53:48,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 19:53:48,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 19:53:48,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 19:53:48,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 19:53:48,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 19:53:48,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 19:53:48,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 19:53:48,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 19:53:48,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 19:53:48,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 19:53:48,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 19:53:48,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 19:53:48,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 19:53:48,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 19:53:48,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 19:53:48,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 19:53:48,400 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-22 19:53:48,423 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 19:53:48,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 19:53:48,425 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 19:53:48,425 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 19:53:48,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 19:53:48,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 19:53:48,426 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 19:53:48,426 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-22 19:53:48,426 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-22 19:53:48,426 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-22 19:53:48,427 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-22 19:53:48,427 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-22 19:53:48,427 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-22 19:53:48,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 19:53:48,428 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 19:53:48,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 19:53:48,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 19:53:48,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-22 19:53:48,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-22 19:53:48,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-22 19:53:48,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 19:53:48,428 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-22 19:53:48,429 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 19:53:48,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-22 19:53:48,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 19:53:48,429 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 19:53:48,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 19:53:48,429 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 19:53:48,429 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 19:53:48,430 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-22 19:53:48,430 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d628f3524885345eb9e2318f2d0dbb026e233c3bcc51319b2ad8fc1a71d35580 [2021-12-22 19:53:48,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 19:53:48,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 19:53:48,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 19:53:48,669 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 19:53:48,670 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 19:53:48,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/java_Sequence-alloca.i [2021-12-22 19:53:48,732 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cec88f36a/d3f922e0b51f486e9f3ba38136123e1f/FLAG8ed24f80b [2021-12-22 19:53:49,171 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 19:53:49,176 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/java_Sequence-alloca.i [2021-12-22 19:53:49,194 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cec88f36a/d3f922e0b51f486e9f3ba38136123e1f/FLAG8ed24f80b [2021-12-22 19:53:49,515 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cec88f36a/d3f922e0b51f486e9f3ba38136123e1f [2021-12-22 19:53:49,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 19:53:49,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 19:53:49,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 19:53:49,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 19:53:49,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 19:53:49,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:53:49" (1/1) ... [2021-12-22 19:53:49,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66a8f09d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:49, skipping insertion in model container [2021-12-22 19:53:49,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:53:49" (1/1) ... [2021-12-22 19:53:49,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 19:53:49,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 19:53:49,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 19:53:49,763 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 19:53:49,789 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 19:53:49,810 INFO L208 MainTranslator]: Completed translation [2021-12-22 19:53:49,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:49 WrapperNode [2021-12-22 19:53:49,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 19:53:49,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 19:53:49,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 19:53:49,812 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 19:53:49,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:49" (1/1) ... [2021-12-22 19:53:49,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:49" (1/1) ... [2021-12-22 19:53:49,857 INFO L137 Inliner]: procedures = 109, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 58 [2021-12-22 19:53:49,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 19:53:49,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 19:53:49,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 19:53:49,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 19:53:49,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:49" (1/1) ... [2021-12-22 19:53:49,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:49" (1/1) ... [2021-12-22 19:53:49,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:49" (1/1) ... [2021-12-22 19:53:49,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:49" (1/1) ... [2021-12-22 19:53:49,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:49" (1/1) ... [2021-12-22 19:53:49,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:49" (1/1) ... [2021-12-22 19:53:49,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:49" (1/1) ... [2021-12-22 19:53:49,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 19:53:49,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 19:53:49,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 19:53:49,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 19:53:49,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:49" (1/1) ... [2021-12-22 19:53:49,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:53:49,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 19:53:49,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 19:53:49,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-22 19:53:49,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 19:53:49,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 19:53:49,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 19:53:49,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 19:53:49,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 19:53:49,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 19:53:50,130 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 19:53:50,131 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 19:53:50,259 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 19:53:50,264 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 19:53:50,266 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-22 19:53:50,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:53:50 BoogieIcfgContainer [2021-12-22 19:53:50,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 19:53:50,270 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-22 19:53:50,270 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-22 19:53:50,272 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-22 19:53:50,273 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 19:53:50,273 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.12 07:53:49" (1/3) ... [2021-12-22 19:53:50,275 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fdc7962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 07:53:50, skipping insertion in model container [2021-12-22 19:53:50,275 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 19:53:50,275 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:53:49" (2/3) ... [2021-12-22 19:53:50,275 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fdc7962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 07:53:50, skipping insertion in model container [2021-12-22 19:53:50,275 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 19:53:50,275 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:53:50" (3/3) ... [2021-12-22 19:53:50,276 INFO L388 chiAutomizerObserver]: Analyzing ICFG java_Sequence-alloca.i [2021-12-22 19:53:50,314 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-22 19:53:50,315 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-22 19:53:50,315 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-22 19:53:50,315 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-22 19:53:50,315 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-22 19:53:50,315 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-22 19:53:50,315 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-22 19:53:50,316 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-22 19:53:50,327 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) [2021-12-22 19:53:50,343 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-22 19:53:50,343 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 19:53:50,344 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 19:53:50,347 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-22 19:53:50,347 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-22 19:53:50,348 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-22 19:53:50,348 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) [2021-12-22 19:53:50,350 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-22 19:53:50,351 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 19:53:50,351 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 19:53:50,351 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-22 19:53:50,351 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-22 19:53:50,356 INFO L791 eck$LassoCheckResult]: Stem: 4#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~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~mem8#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem12#1, main_~i~0#1.base, main_~i~0#1.offset, main_~j~0#1.base, main_~j~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~j~0#1.base, main_~j~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(0, main_~i~0#1.base, main_~i~0#1.offset, 4); 6#L552-4true [2021-12-22 19:53:50,356 INFO L793 eck$LassoCheckResult]: Loop: 6#L552-4true call main_#t~mem7#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4); 11#L552-1true assume !!(main_#t~mem7#1 < 100);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem8#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1; 5#L552-3true call main_#t~mem5#1 := read~int(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1; 6#L552-4true [2021-12-22 19:53:50,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:53:50,361 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-22 19:53:50,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:53:50,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354041407] [2021-12-22 19:53:50,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:53:50,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:53:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:53:50,504 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:53:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:53:50,544 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:53:50,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:53:50,546 INFO L85 PathProgramCache]: Analyzing trace with hash 35911, now seen corresponding path program 1 times [2021-12-22 19:53:50,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:53:50,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568667083] [2021-12-22 19:53:50,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:53:50,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:53:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:53:50,576 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:53:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:53:50,586 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:53:50,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 19:53:50,596 INFO L85 PathProgramCache]: Analyzing trace with hash 28694853, now seen corresponding path program 1 times [2021-12-22 19:53:50,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 19:53:50,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796761577] [2021-12-22 19:53:50,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 19:53:50,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 19:53:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:53:50,636 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 19:53:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 19:53:50,657 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 19:53:51,184 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 19:53:51,185 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 19:53:51,185 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 19:53:51,185 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 19:53:51,185 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-22 19:53:51,186 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 19:53:51,186 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 19:53:51,186 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 19:53:51,186 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_Sequence-alloca.i_Iteration1_Lasso [2021-12-22 19:53:51,187 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 19:53:51,187 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 19:53:51,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:53:51,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:53:51,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:53:51,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:53:51,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:53:51,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:53:51,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:53:51,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:53:51,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:53:51,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:53:51,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:53:51,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:53:51,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 19:53:51,507 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:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:953) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:862) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-12-22 19:53:51,516 INFO L158 Benchmark]: Toolchain (without parser) took 1994.13ms. Allocated memory was 79.7MB in the beginning and 123.7MB in the end (delta: 44.0MB). Free memory was 50.4MB in the beginning and 89.1MB in the end (delta: -38.8MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2021-12-22 19:53:51,517 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 79.7MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 19:53:51,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.33ms. Allocated memory was 79.7MB in the beginning and 123.7MB in the end (delta: 44.0MB). Free memory was 50.2MB in the beginning and 94.9MB in the end (delta: -44.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-22 19:53:51,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.64ms. Allocated memory is still 123.7MB. Free memory was 94.9MB in the beginning and 93.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 19:53:51,520 INFO L158 Benchmark]: Boogie Preprocessor took 29.92ms. Allocated memory is still 123.7MB. Free memory was 93.3MB in the beginning and 92.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 19:53:51,521 INFO L158 Benchmark]: RCFGBuilder took 380.16ms. Allocated memory is still 123.7MB. Free memory was 91.8MB in the beginning and 81.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-22 19:53:51,521 INFO L158 Benchmark]: BuchiAutomizer took 1243.79ms. Allocated memory is still 123.7MB. Free memory was 81.1MB in the beginning and 89.1MB in the end (delta: -8.1MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2021-12-22 19:53:51,528 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 79.7MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.33ms. Allocated memory was 79.7MB in the beginning and 123.7MB in the end (delta: 44.0MB). Free memory was 50.2MB in the beginning and 94.9MB in the end (delta: -44.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.64ms. Allocated memory is still 123.7MB. Free memory was 94.9MB in the beginning and 93.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.92ms. Allocated memory is still 123.7MB. Free memory was 93.3MB in the beginning and 92.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 380.16ms. Allocated memory is still 123.7MB. Free memory was 91.8MB in the beginning and 81.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1243.79ms. Allocated memory is still 123.7MB. Free memory was 81.1MB in the beginning and 89.1MB in the end (delta: -8.1MB). Peak memory consumption was 28.4MB. 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. [2021-12-22 19:53:51,573 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*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