./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3a877d22 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/product-lines/minepump_spec5_product07.cil.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 005abaec2a454c7fb65798a6dda24f313852a7f1e057438fd3d0e339e7c67228 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:19:20,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:19:20,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:19:20,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:19:20,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:19:20,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:19:20,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:19:20,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:19:20,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:19:20,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:19:20,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:19:20,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:19:20,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:19:20,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:19:20,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:19:20,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:19:20,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:19:20,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:19:20,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:19:20,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:19:20,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:19:20,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:19:20,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:19:20,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:19:20,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:19:20,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:19:20,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:19:20,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:19:20,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:19:20,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:19:20,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:19:20,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:19:20,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:19:20,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:19:20,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:19:20,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:19:20,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:19:20,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:19:20,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:19:20,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:19:20,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:19:20,285 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:19:20,299 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:19:20,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:19:20,300 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:19:20,300 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:19:20,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:19:20,301 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:19:20,301 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:19:20,301 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:19:20,301 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:19:20,301 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:19:20,302 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:19:20,302 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:19:20,302 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:19:20,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:19:20,302 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:19:20,302 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:19:20,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:19:20,303 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:19:20,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:19:20,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:19:20,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:19:20,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:19:20,303 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:19:20,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:19:20,304 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:19:20,304 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:19:20,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:19:20,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:19:20,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:19:20,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:19:20,304 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:19:20,305 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:19:20,305 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:19:20,306 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 005abaec2a454c7fb65798a6dda24f313852a7f1e057438fd3d0e339e7c67228 [2021-12-15 17:19:20,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:19:20,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:19:20,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:19:20,543 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:19:20,544 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:19:20,545 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c [2021-12-15 17:19:20,604 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0136f1b48/46b992e92ffc4e8a8e0685b155939fc2/FLAGfcac1cccd [2021-12-15 17:19:21,029 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:19:21,029 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c [2021-12-15 17:19:21,041 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0136f1b48/46b992e92ffc4e8a8e0685b155939fc2/FLAGfcac1cccd [2021-12-15 17:19:21,052 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0136f1b48/46b992e92ffc4e8a8e0685b155939fc2 [2021-12-15 17:19:21,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:19:21,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:19:21,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:19:21,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:19:21,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:19:21,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:19:21" (1/1) ... [2021-12-15 17:19:21,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@177f039b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:19:21, skipping insertion in model container [2021-12-15 17:19:21,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:19:21" (1/1) ... [2021-12-15 17:19:21,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:19:21,102 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:19:21,327 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/product-lines/minepump_spec5_product07.cil.c[7574,7587] [2021-12-15 17:19:21,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:19:21,400 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:19:21,427 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/product-lines/minepump_spec5_product07.cil.c[7574,7587] [2021-12-15 17:19:21,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:19:21,467 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:19:21,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:19:21 WrapperNode [2021-12-15 17:19:21,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:19:21,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:19:21,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:19:21,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:19:21,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:19:21" (1/1) ... [2021-12-15 17:19:21,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:19:21" (1/1) ... [2021-12-15 17:19:21,548 INFO L137 Inliner]: procedures = 53, calls = 153, calls flagged for inlining = 50, calls inlined = 56, statements flattened = 406 [2021-12-15 17:19:21,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:19:21,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:19:21,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:19:21,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:19:21,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:19:21" (1/1) ... [2021-12-15 17:19:21,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:19:21" (1/1) ... [2021-12-15 17:19:21,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:19:21" (1/1) ... [2021-12-15 17:19:21,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:19:21" (1/1) ... [2021-12-15 17:19:21,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:19:21" (1/1) ... [2021-12-15 17:19:21,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:19:21" (1/1) ... [2021-12-15 17:19:21,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:19:21" (1/1) ... [2021-12-15 17:19:21,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:19:21,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:19:21,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:19:21,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:19:21,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:19:21" (1/1) ... [2021-12-15 17:19:21,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:19:21,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:19:21,642 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) [2021-12-15 17:19:21,674 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 [2021-12-15 17:19:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:19:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:19:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:19:21,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:19:21,764 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:19:21,765 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:19:21,959 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:19:21,964 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:19:21,965 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 17:19:21,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:19:21 BoogieIcfgContainer [2021-12-15 17:19:21,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:19:21,967 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:19:21,967 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:19:21,969 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:19:21,970 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:19:21,970 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:19:21" (1/3) ... [2021-12-15 17:19:21,971 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d505fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:19:21, skipping insertion in model container [2021-12-15 17:19:21,971 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:19:21,971 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:19:21" (2/3) ... [2021-12-15 17:19:21,978 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d505fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:19:21, skipping insertion in model container [2021-12-15 17:19:21,979 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:19:21,979 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:19:21" (3/3) ... [2021-12-15 17:19:21,980 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product07.cil.c [2021-12-15 17:19:22,033 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:19:22,033 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:19:22,033 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:19:22,033 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:19:22,033 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:19:22,033 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:19:22,033 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:19:22,033 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:19:22,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 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) [2021-12-15 17:19:22,089 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2021-12-15 17:19:22,089 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:19:22,089 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:19:22,096 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:19:22,096 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:19:22,096 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:19:22,097 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 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) [2021-12-15 17:19:22,110 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2021-12-15 17:19:22,111 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:19:22,112 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:19:22,112 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:19:22,113 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:19:22,121 INFO L791 eck$LassoCheckResult]: Stem: 103#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 39#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 45#L543true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 59#L536true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 30#L551true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 87#L142true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 97#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 110#L248true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 101#L302-2true [2021-12-15 17:19:22,121 INFO L793 eck$LassoCheckResult]: Loop: 101#L302-2true assume !false; 106#L303true assume test_~splverifierCounter~0#1 < 4; 86#L304true test_~tmp~2#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 109#L312true assume !(0 != test_~tmp~2#1); 69#L312-2true test_~tmp___0~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 77#L322true assume !(0 != test_~tmp___0~1#1); 64#L322-2true test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 25#L332true assume 0 != test_~tmp___2~0#1; 66#L338-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret10#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 93#L456true __utac_acc__Specification5_spec__2_#t~ret10#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10#1;havoc __utac_acc__Specification5_spec__2_#t~ret10#1; 33#L258true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 58#L371true assume !(0 != ~pumpRunning~0); 44#L371-2true assume !(0 != ~systemActive~0); 12#L378-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~1#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 98#L235true __utac_acc__Specification5_spec__3_#t~ret11#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret11#1;havoc __utac_acc__Specification5_spec__3_#t~ret11#1; 57#L269true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1#1); 85#L269-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 19#L388true assume { :end_inline_timeShift } true; 101#L302-2true [2021-12-15 17:19:22,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:19:22,134 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2021-12-15 17:19:22,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:19:22,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427026156] [2021-12-15 17:19:22,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:19:22,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:19:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:19:22,260 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:19:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:19:22,304 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:19:22,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:19:22,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1362691668, now seen corresponding path program 1 times [2021-12-15 17:19:22,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:19:22,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137493718] [2021-12-15 17:19:22,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:19:22,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:19:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:19:22,330 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:19:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:19:22,337 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:19:22,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:19:22,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1592923221, now seen corresponding path program 1 times [2021-12-15 17:19:22,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:19:22,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385548177] [2021-12-15 17:19:22,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:19:22,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:19:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:19:22,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:19:22,502 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:19:22,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385548177] [2021-12-15 17:19:22,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385548177] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:19:22,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:19:22,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-15 17:19:22,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610282556] [2021-12-15 17:19:22,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:19:22,646 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:548) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLoopTermination(LassoCheck.java:944) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:834) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-12-15 17:19:22,653 INFO L158 Benchmark]: Toolchain (without parser) took 1595.73ms. Allocated memory is still 113.2MB. Free memory was 77.5MB in the beginning and 76.3MB in the end (delta: 1.2MB). Peak memory consumption was 88.7kB. Max. memory is 16.1GB. [2021-12-15 17:19:22,654 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory was 84.1MB in the beginning and 84.1MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:19:22,655 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.92ms. Allocated memory is still 113.2MB. Free memory was 77.4MB in the beginning and 81.6MB in the end (delta: -4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 17:19:22,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.03ms. Allocated memory is still 113.2MB. Free memory was 81.6MB in the beginning and 79.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:19:22,656 INFO L158 Benchmark]: Boogie Preprocessor took 45.00ms. Allocated memory is still 113.2MB. Free memory was 79.0MB in the beginning and 76.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:19:22,657 INFO L158 Benchmark]: RCFGBuilder took 366.07ms. Allocated memory is still 113.2MB. Free memory was 76.9MB in the beginning and 60.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 17:19:22,658 INFO L158 Benchmark]: BuchiAutomizer took 684.69ms. Allocated memory is still 113.2MB. Free memory was 60.1MB in the beginning and 76.3MB in the end (delta: -16.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:19:22,662 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory was 84.1MB in the beginning and 84.1MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.92ms. Allocated memory is still 113.2MB. Free memory was 77.4MB in the beginning and 81.6MB in the end (delta: -4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.03ms. Allocated memory is still 113.2MB. Free memory was 81.6MB in the beginning and 79.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.00ms. Allocated memory is still 113.2MB. Free memory was 79.0MB in the beginning and 76.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 366.07ms. Allocated memory is still 113.2MB. Free memory was 76.9MB in the beginning and 60.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 684.69ms. Allocated memory is still 113.2MB. Free memory was 60.1MB in the beginning and 76.3MB in the end (delta: -16.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 17:19:22,705 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: UnsupportedOperationException: Set is immutable