./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product59.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_product59.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 bed571a327ae9eee0b2e62daa6070780d20555ec322abcda9e725c1fa87edc9c --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:19:44,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:19:44,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:19:44,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:19:44,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:19:44,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:19:44,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:19:44,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:19:44,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:19:44,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:19:44,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:19:44,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:19:44,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:19:44,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:19:44,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:19:44,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:19:44,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:19:44,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:19:44,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:19:44,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:19:44,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:19:44,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:19:44,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:19:44,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:19:44,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:19:44,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:19:44,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:19:44,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:19:44,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:19:44,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:19:44,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:19:44,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:19:44,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:19:44,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:19:44,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:19:44,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:19:44,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:19:44,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:19:44,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:19:44,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:19:44,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:19:44,594 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:19:44,630 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:19:44,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:19:44,631 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:19:44,631 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:19:44,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:19:44,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:19:44,632 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:19:44,633 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:19:44,633 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:19:44,633 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:19:44,634 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:19:44,634 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:19:44,634 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:19:44,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:19:44,635 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:19:44,635 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:19:44,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:19:44,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:19:44,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:19:44,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:19:44,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:19:44,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:19:44,636 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:19:44,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:19:44,636 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:19:44,636 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:19:44,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:19:44,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:19:44,637 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:19:44,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:19:44,637 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:19:44,638 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:19:44,639 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:19:44,639 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bed571a327ae9eee0b2e62daa6070780d20555ec322abcda9e725c1fa87edc9c [2021-12-15 17:19:44,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:19:44,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:19:44,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:19:44,913 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:19:44,914 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:19:44,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c [2021-12-15 17:19:44,967 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1c4af585/552df49a2cef40fabfa09114fee628e5/FLAG8d4bddbf7 [2021-12-15 17:19:45,471 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:19:45,472 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c [2021-12-15 17:19:45,485 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1c4af585/552df49a2cef40fabfa09114fee628e5/FLAG8d4bddbf7 [2021-12-15 17:19:45,965 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1c4af585/552df49a2cef40fabfa09114fee628e5 [2021-12-15 17:19:45,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:19:45,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:19:45,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:19:45,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:19:45,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:19:45,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:19:45" (1/1) ... [2021-12-15 17:19:45,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ce0a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:19:45, skipping insertion in model container [2021-12-15 17:19:45,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:19:45" (1/1) ... [2021-12-15 17:19:45,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:19:46,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:19:46,250 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_product59.cil.c[17002,17015] [2021-12-15 17:19:46,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:19:46,274 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:19:46,355 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_product59.cil.c[17002,17015] [2021-12-15 17:19:46,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:19:46,375 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:19:46,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:19:46 WrapperNode [2021-12-15 17:19:46,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:19:46,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:19:46,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:19:46,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:19:46,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:19:46" (1/1) ... [2021-12-15 17:19:46,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:19:46" (1/1) ... [2021-12-15 17:19:46,442 INFO L137 Inliner]: procedures = 59, calls = 161, calls flagged for inlining = 58, calls inlined = 104, statements flattened = 772 [2021-12-15 17:19:46,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:19:46,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:19:46,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:19:46,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:19:46,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:19:46" (1/1) ... [2021-12-15 17:19:46,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:19:46" (1/1) ... [2021-12-15 17:19:46,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:19:46" (1/1) ... [2021-12-15 17:19:46,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:19:46" (1/1) ... [2021-12-15 17:19:46,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:19:46" (1/1) ... [2021-12-15 17:19:46,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:19:46" (1/1) ... [2021-12-15 17:19:46,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:19:46" (1/1) ... [2021-12-15 17:19:46,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:19:46,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:19:46,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:19:46,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:19:46,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:19:46" (1/1) ... [2021-12-15 17:19:46,487 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:19:46,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:19:46,517 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 17:19:46,531 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 17:19:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:19:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:19:46,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:19:46,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:19:46,667 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:19:46,669 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:19:47,208 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:19:47,217 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:19:47,218 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 17:19:47,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:19:47 BoogieIcfgContainer [2021-12-15 17:19:47,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:19:47,221 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:19:47,222 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:19:47,225 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:19:47,226 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:19:47,226 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:19:45" (1/3) ... [2021-12-15 17:19:47,227 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39af96ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:19:47, skipping insertion in model container [2021-12-15 17:19:47,228 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:19:47,228 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:19:46" (2/3) ... [2021-12-15 17:19:47,228 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39af96ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:19:47, skipping insertion in model container [2021-12-15 17:19:47,228 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:19:47,228 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:19:47" (3/3) ... [2021-12-15 17:19:47,229 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product59.cil.c [2021-12-15 17:19:47,273 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:19:47,273 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:19:47,274 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:19:47,274 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:19:47,274 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:19:47,274 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:19:47,274 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:19:47,274 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:19:47,298 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 200 states, 199 states have (on average 1.35678391959799) internal successors, (270), 199 states have internal predecessors, (270), 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 17:19:47,345 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 130 [2021-12-15 17:19:47,345 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:19:47,345 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:19:47,353 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:19:47,353 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 17:19:47,353 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:19:47,356 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 200 states, 199 states have (on average 1.35678391959799) internal successors, (270), 199 states have internal predecessors, (270), 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 17:19:47,368 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 130 [2021-12-15 17:19:47,368 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:19:47,369 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:19:47,371 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:19:47,371 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 17:19:47,380 INFO L791 eck$LassoCheckResult]: Stem: 189#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 134#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~11#1, main_~tmp~10#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 117#L1016true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 113#L1009true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 118#L1024true main_#t~ret53#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 164#L980true assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 200#L953true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 153#L851true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 181#L174-2true [2021-12-15 17:19:47,380 INFO L793 eck$LassoCheckResult]: Loop: 181#L174-2true assume !false; 109#L175true assume test_~splverifierCounter~0#1 < 4; 135#L176true test_~tmp~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 63#L184true assume !(0 != test_~tmp~0#1); 151#L184-2true test_~tmp___0~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 166#L194true assume !(0 != test_~tmp___0~0#1); 196#L194-2true test_~tmp___2~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 93#L204true assume 0 != test_~tmp___2~0#1; 192#L210-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; 115#L376true __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 129#L861true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 91#L247true assume !(0 != ~pumpRunning~0); 149#L247-2true assume !(0 != ~systemActive~0); 9#L254-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 178#L133true __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 154#L872true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 54#L872-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 141#L264true assume { :end_inline_timeShift } true; 181#L174-2true [2021-12-15 17:19:47,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:19:47,391 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2021-12-15 17:19:47,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:19:47,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972439174] [2021-12-15 17:19:47,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:19:47,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:19:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:19:47,521 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:19:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:19:47,580 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:19:47,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:19:47,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1566070476, now seen corresponding path program 1 times [2021-12-15 17:19:47,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:19:47,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019957244] [2021-12-15 17:19:47,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:19:47,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:19:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:19:47,607 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:19:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:19:47,614 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:19:47,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:19:47,617 INFO L85 PathProgramCache]: Analyzing trace with hash 226718069, now seen corresponding path program 1 times [2021-12-15 17:19:47,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:19:47,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496244533] [2021-12-15 17:19:47,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:19:47,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:19:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:19:47,753 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 17:19:47,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:19:47,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496244533] [2021-12-15 17:19:47,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496244533] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:19:47,755 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:19:47,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-15 17:19:47,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344597076] [2021-12-15 17:19:47,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:19:47,897 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 17:19:47,901 INFO L158 Benchmark]: Toolchain (without parser) took 1929.86ms. Allocated memory was 111.1MB in the beginning and 167.8MB in the end (delta: 56.6MB). Free memory was 80.9MB in the beginning and 103.4MB in the end (delta: -22.5MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2021-12-15 17:19:47,901 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 77.6MB. Free memory is still 32.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:19:47,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.12ms. Allocated memory is still 111.1MB. Free memory was 80.6MB in the beginning and 76.8MB in the end (delta: 3.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 17:19:47,902 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.73ms. Allocated memory is still 111.1MB. Free memory was 76.8MB in the beginning and 72.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 17:19:47,903 INFO L158 Benchmark]: Boogie Preprocessor took 36.21ms. Allocated memory is still 111.1MB. Free memory was 72.7MB in the beginning and 70.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:19:47,903 INFO L158 Benchmark]: RCFGBuilder took 740.33ms. Allocated memory was 111.1MB in the beginning and 167.8MB in the end (delta: 56.6MB). Free memory was 70.3MB in the beginning and 135.7MB in the end (delta: -65.3MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2021-12-15 17:19:47,904 INFO L158 Benchmark]: BuchiAutomizer took 678.01ms. Allocated memory is still 167.8MB. Free memory was 134.8MB in the beginning and 103.4MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-12-15 17:19:47,906 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 77.6MB. Free memory is still 32.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.12ms. Allocated memory is still 111.1MB. Free memory was 80.6MB in the beginning and 76.8MB in the end (delta: 3.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.73ms. Allocated memory is still 111.1MB. Free memory was 76.8MB in the beginning and 72.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.21ms. Allocated memory is still 111.1MB. Free memory was 72.7MB in the beginning and 70.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 740.33ms. Allocated memory was 111.1MB in the beginning and 167.8MB in the end (delta: 56.6MB). Free memory was 70.3MB in the beginning and 135.7MB in the end (delta: -65.3MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 678.01ms. Allocated memory is still 167.8MB. Free memory was 134.8MB in the beginning and 103.4MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. 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 17:19:47,942 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