./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec13_product29.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/elevator_spec13_product29.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 63ce65fdf446745f64534f105010543d07f1d807cf17249eadefb49fdfafb832 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:11:42,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:11:42,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:11:43,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:11:43,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:11:43,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:11:43,006 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:11:43,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:11:43,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:11:43,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:11:43,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:11:43,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:11:43,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:11:43,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:11:43,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:11:43,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:11:43,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:11:43,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:11:43,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:11:43,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:11:43,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:11:43,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:11:43,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:11:43,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:11:43,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:11:43,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:11:43,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:11:43,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:11:43,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:11:43,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:11:43,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:11:43,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:11:43,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:11:43,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:11:43,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:11:43,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:11:43,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:11:43,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:11:43,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:11:43,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:11:43,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:11:43,046 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:11:43,072 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:11:43,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:11:43,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:11:43,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:11:43,074 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:11:43,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:11:43,075 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:11:43,075 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:11:43,075 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:11:43,075 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:11:43,076 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:11:43,076 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:11:43,076 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:11:43,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:11:43,077 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:11:43,077 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:11:43,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:11:43,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:11:43,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:11:43,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:11:43,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:11:43,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:11:43,078 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:11:43,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:11:43,078 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:11:43,078 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:11:43,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:11:43,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:11:43,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:11:43,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:11:43,079 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:11:43,080 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:11:43,081 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:11:43,082 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63ce65fdf446745f64534f105010543d07f1d807cf17249eadefb49fdfafb832 [2021-12-15 17:11:43,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:11:43,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:11:43,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:11:43,310 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:11:43,310 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:11:43,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec13_product29.cil.c [2021-12-15 17:11:43,369 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0b075631/fcbc2708ace24ec8a3071b1646ffba01/FLAG333b12207 [2021-12-15 17:11:43,844 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:11:43,845 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec13_product29.cil.c [2021-12-15 17:11:43,865 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0b075631/fcbc2708ace24ec8a3071b1646ffba01/FLAG333b12207 [2021-12-15 17:11:44,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0b075631/fcbc2708ace24ec8a3071b1646ffba01 [2021-12-15 17:11:44,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:11:44,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:11:44,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:11:44,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:11:44,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:11:44,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:11:44" (1/1) ... [2021-12-15 17:11:44,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ecc4f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:44, skipping insertion in model container [2021-12-15 17:11:44,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:11:44" (1/1) ... [2021-12-15 17:11:44,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:11:44,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:11:44,693 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/elevator_spec13_product29.cil.c[54440,54453] [2021-12-15 17:11:44,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:11:44,743 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:11:44,806 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/elevator_spec13_product29.cil.c[54440,54453] [2021-12-15 17:11:44,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:11:44,850 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:11:44,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:44 WrapperNode [2021-12-15 17:11:44,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:11:44,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:11:44,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:11:44,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:11:44,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:44" (1/1) ... [2021-12-15 17:11:44,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:44" (1/1) ... [2021-12-15 17:11:45,180 INFO L137 Inliner]: procedures = 91, calls = 340, calls flagged for inlining = 193, calls inlined = 975, statements flattened = 34881 [2021-12-15 17:11:45,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:11:45,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:11:45,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:11:45,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:11:45,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:44" (1/1) ... [2021-12-15 17:11:45,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:44" (1/1) ... [2021-12-15 17:11:45,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:44" (1/1) ... [2021-12-15 17:11:45,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:44" (1/1) ... [2021-12-15 17:11:45,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:44" (1/1) ... [2021-12-15 17:11:45,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:44" (1/1) ... [2021-12-15 17:11:45,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:44" (1/1) ... [2021-12-15 17:11:45,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:11:45,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:11:45,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:11:45,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:11:45,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:44" (1/1) ... [2021-12-15 17:11:45,863 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:11:45,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:11:45,883 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 17:11:45,899 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 17:11:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:11:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:11:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:11:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:11:46,110 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:11:46,111 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:11:53,988 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:11:54,030 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:11:54,031 INFO L301 CfgBuilder]: Removed 61 assume(true) statements. [2021-12-15 17:11:54,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:11:54 BoogieIcfgContainer [2021-12-15 17:11:54,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:11:54,043 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:11:54,043 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:11:54,045 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:11:54,046 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:11:54,046 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:11:44" (1/3) ... [2021-12-15 17:11:54,047 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2fa1e510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:11:54, skipping insertion in model container [2021-12-15 17:11:54,047 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:11:54,047 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:44" (2/3) ... [2021-12-15 17:11:54,047 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2fa1e510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:11:54, skipping insertion in model container [2021-12-15 17:11:54,047 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:11:54,047 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:11:54" (3/3) ... [2021-12-15 17:11:54,048 INFO L388 chiAutomizerObserver]: Analyzing ICFG elevator_spec13_product29.cil.c [2021-12-15 17:11:54,084 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:11:54,084 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:11:54,085 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:11:54,085 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:11:54,085 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:11:54,085 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:11:54,085 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:11:54,085 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:11:54,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9452 states, 9451 states have (on average 1.8796952703417629) internal successors, (17765), 9451 states have internal predecessors, (17765), 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 17:11:54,362 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2376 [2021-12-15 17:11:54,363 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:11:54,363 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:11:54,372 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:11:54,372 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:11:54,372 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:11:54,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9452 states, 9451 states have (on average 1.8796952703417629) internal successors, (17765), 9451 states have internal predecessors, (17765), 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 17:11:54,484 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2376 [2021-12-15 17:11:54,485 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:11:54,485 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:11:54,489 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:11:54,489 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:11:54,494 INFO L791 eck$LassoCheckResult]: Stem: 7706#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(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 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(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~weight~0 := 0;~maximumWeight~0 := 100;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~prevDir~0 := 0;~cleanupTimeShifts~0 := 12;~head~0.base, ~head~0.offset := 0, 0; 4637#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret109#1, main_~retValue_acc~22#1, main_~tmp~24#1;havoc main_~retValue_acc~22#1;havoc main_~tmp~24#1;assume { :begin_inline_select_helpers } true; 8568#L2963true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 9086#L2956true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~24#1;havoc valid_product_~retValue_acc~24#1;valid_product_~retValue_acc~24#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~24#1; 93#L2971true main_#t~ret109#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~24#1 := main_#t~ret109#1;havoc main_#t~ret109#1; 7732#L2927true assume 0 != main_~tmp~24#1;assume { :begin_inline_setup } true; 8672#L2901true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret98#1, aliceCall_~tmp~17#1;havoc aliceCall_~tmp~17#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~4#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~4#1; 1816#L783true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~4#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~4#1; 3966#L808true aliceCall_#t~ret98#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~17#1 := aliceCall_#t~ret98#1;havoc aliceCall_#t~ret98#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~17#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 9284#L409true assume 0 == initPersonOnFloor_~floor#1; 8089#L410true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 1054#L517-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 2576#L201true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 7867#L213-2true assume { :end_inline_callOnFloor } true; 2595#L553true assume { :end_inline_initPersonOnFloor } true; 1555#L2662true assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret99#1, angelinaCall_~tmp~18#1;havoc angelinaCall_~tmp~18#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~4#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~4#1; 8984#L783-1true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~4#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~4#1; 3206#L808-1true angelinaCall_#t~ret99#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~18#1 := angelinaCall_#t~ret99#1;havoc angelinaCall_#t~ret99#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~18#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 5674#L409-1true assume 0 == initPersonOnFloor_~floor#1; 6211#L410-2true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 3553#L517-3true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 8374#L201-2true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 6428#L213-5true assume { :end_inline_callOnFloor } true; 1709#L553-1true assume { :end_inline_initPersonOnFloor } true; 4080#L2673true assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret46#1, timeShift_#t~ret47#1, timeShift_#t~ret48#1, timeShift_#t~ret49#1, timeShift_#t~ret50#1, timeShift_#t~ret51#1, timeShift_#t~ret52#1, timeShift_#t~ret53#1, timeShift_#t~ret54#1, timeShift_#t~ret55#1, timeShift_#t~ret56#1, timeShift_~tmp~11#1, timeShift_~tmp___0~5#1, timeShift_~tmp___1~3#1, timeShift_~tmp___2~3#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~11#1;havoc timeShift_~tmp___0~5#1;havoc timeShift_~tmp___1~3#1;havoc timeShift_~tmp___2~3#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret83#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~10#1;havoc getCurrentHeading_~retValue_acc~10#1;getCurrentHeading_~retValue_acc~10#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~10#1; 1843#L1163true __utac_acc__Specification13_spec__1_#t~ret83#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret83#1;havoc __utac_acc__Specification13_spec__1_#t~ret83#1; 3144#L2408true assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret31#1, stopRequestedAtCurrentFloor_#t~ret32#1, stopRequestedAtCurrentFloor_#t~ret33#1, stopRequestedAtCurrentFloor_~retValue_acc~18#1, stopRequestedAtCurrentFloor_~tmp~9#1, stopRequestedAtCurrentFloor_~tmp___0~3#1, stopRequestedAtCurrentFloor_~__cil_tmp4~0#1, stopRequestedAtCurrentFloor_~__cil_tmp5~0#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~18#1;havoc stopRequestedAtCurrentFloor_~tmp~9#1;havoc stopRequestedAtCurrentFloor_~tmp___0~3#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp4~0#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp5~0#1;stopRequestedAtCurrentFloor_~__cil_tmp4~0#1 := 2 * ~maximumWeight~0;stopRequestedAtCurrentFloor_~__cil_tmp5~0#1 := (if stopRequestedAtCurrentFloor_~__cil_tmp4~0#1 < 0 && 0 != stopRequestedAtCurrentFloor_~__cil_tmp4~0#1 % 3 then 1 + stopRequestedAtCurrentFloor_~__cil_tmp4~0#1 / 3 else stopRequestedAtCurrentFloor_~__cil_tmp4~0#1 / 3); 661#L1792true assume ~weight~0 > stopRequestedAtCurrentFloor_~__cil_tmp5~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~7#1;havoc getCurrentFloorID_~retValue_acc~7#1;getCurrentFloorID_~retValue_acc~7#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~7#1; 8169#L1111true stopRequestedAtCurrentFloor_#t~ret31#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp~9#1 := stopRequestedAtCurrentFloor_#t~ret31#1;havoc stopRequestedAtCurrentFloor_#t~ret31#1;assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := stopRequestedAtCurrentFloor_~tmp~9#1;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~9#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~9#1; 635#L1128true assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~9#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~9#1; 1204#L1149true stopRequestedAtCurrentFloor_#t~ret32#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp___0~3#1 := stopRequestedAtCurrentFloor_#t~ret32#1;havoc stopRequestedAtCurrentFloor_#t~ret32#1;stopRequestedAtCurrentFloor_~retValue_acc~18#1 := (if 1 == stopRequestedAtCurrentFloor_~tmp___0~3#1 then 1 else 0);stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~18#1; 9278#L1803true timeShift_#t~ret46#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret46#1;havoc timeShift_#t~ret46#1; 8936#L1942true assume !(0 != timeShift_~tmp___9~2#1); 5969#L2033true assume 1 == ~doorState~0;~doorState~0 := 0; 164#L2033-2true assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret24#1, stopRequestedInDirection_#t~ret25#1, stopRequestedInDirection_#t~ret26#1, stopRequestedInDirection_#t~ret27#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~15#1, stopRequestedInDirection_~overload~0#1, stopRequestedInDirection_~buttonPressed~0#1, stopRequestedInDirection_~tmp~6#1, stopRequestedInDirection_~__cil_tmp8~0#1, stopRequestedInDirection_~__cil_tmp9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~15#1;havoc stopRequestedInDirection_~overload~0#1;havoc stopRequestedInDirection_~buttonPressed~0#1;havoc stopRequestedInDirection_~tmp~6#1;havoc stopRequestedInDirection_~__cil_tmp8~0#1;havoc stopRequestedInDirection_~__cil_tmp9~0#1;stopRequestedInDirection_~__cil_tmp8~0#1 := 2 * ~maximumWeight~0;stopRequestedInDirection_~__cil_tmp9~0#1 := (if stopRequestedInDirection_~__cil_tmp8~0#1 < 0 && 0 != stopRequestedInDirection_~__cil_tmp8~0#1 % 3 then 1 + stopRequestedInDirection_~__cil_tmp8~0#1 / 3 else stopRequestedInDirection_~__cil_tmp8~0#1 / 3);stopRequestedInDirection_~overload~0#1 := (if ~weight~0 > stopRequestedInDirection_~__cil_tmp9~0#1 then 1 else 0);assume { :begin_inline_isAnyLiftButtonPressed } true;havoc isAnyLiftButtonPressed_#res#1;havoc isAnyLiftButtonPressed_~retValue_acc~16#1;havoc isAnyLiftButtonPressed_~retValue_acc~16#1; 7550#L1695true assume 0 != ~floorButtons_0~0;isAnyLiftButtonPressed_~retValue_acc~16#1 := 1;isAnyLiftButtonPressed_#res#1 := isAnyLiftButtonPressed_~retValue_acc~16#1; 4370#L1716true stopRequestedInDirection_#t~ret24#1 := isAnyLiftButtonPressed_#res#1;assume { :end_inline_isAnyLiftButtonPressed } true;stopRequestedInDirection_~tmp~6#1 := stopRequestedInDirection_#t~ret24#1;havoc stopRequestedInDirection_#t~ret24#1;stopRequestedInDirection_~buttonPressed~0#1 := stopRequestedInDirection_~tmp~6#1; 4534#L1668true assume !(0 != stopRequestedInDirection_~overload~0#1);assume { :begin_inline_stopRequestedInDirection__wrappee__empty } true;stopRequestedInDirection__wrappee__empty_#in~dir#1, stopRequestedInDirection__wrappee__empty_#in~respectFloorCalls#1, stopRequestedInDirection__wrappee__empty_#in~respectInLiftCalls#1 := stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__empty_#res#1;havoc stopRequestedInDirection__wrappee__empty_#t~ret13#1, stopRequestedInDirection__wrappee__empty_#t~ret14#1, stopRequestedInDirection__wrappee__empty_#t~ret15#1, stopRequestedInDirection__wrappee__empty_#t~ret16#1, stopRequestedInDirection__wrappee__empty_#t~ret17#1, stopRequestedInDirection__wrappee__empty_#t~ret18#1, stopRequestedInDirection__wrappee__empty_#t~ret19#1, stopRequestedInDirection__wrappee__empty_#t~ret20#1, stopRequestedInDirection__wrappee__empty_#t~ret21#1, stopRequestedInDirection__wrappee__empty_#t~ret22#1, stopRequestedInDirection__wrappee__empty_#t~ret23#1, stopRequestedInDirection__wrappee__empty_~dir#1, stopRequestedInDirection__wrappee__empty_~respectFloorCalls#1, stopRequestedInDirection__wrappee__empty_~respectInLiftCalls#1, stopRequestedInDirection__wrappee__empty_~retValue_acc~14#1, stopRequestedInDirection__wrappee__empty_~tmp~5#1, stopRequestedInDirection__wrappee__empty_~tmp___0~1#1, stopRequestedInDirection__wrappee__empty_~tmp___1~1#1, stopRequestedInDirection__wrappee__empty_~tmp___2~1#1, stopRequestedInDirection__wrappee__empty_~tmp___3~1#1, stopRequestedInDirection__wrappee__empty_~tmp___4~0#1, stopRequestedInDirection__wrappee__empty_~tmp___5~0#1, stopRequestedInDirection__wrappee__empty_~tmp___6~0#1, stopRequestedInDirection__wrappee__empty_~tmp___7~0#1, stopRequestedInDirection__wrappee__empty_~tmp___8~0#1, stopRequestedInDirection__wrappee__empty_~tmp___9~0#1;stopRequestedInDirection__wrappee__empty_~dir#1 := stopRequestedInDirection__wrappee__empty_#in~dir#1;stopRequestedInDirection__wrappee__empty_~respectFloorCalls#1 := stopRequestedInDirection__wrappee__empty_#in~respectFloorCalls#1;stopRequestedInDirection__wrappee__empty_~respectInLiftCalls#1 := stopRequestedInDirection__wrappee__empty_#in~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__empty_~retValue_acc~14#1;havoc stopRequestedInDirection__wrappee__empty_~tmp~5#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___0~1#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___1~1#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___2~1#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___3~1#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___4~0#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___5~0#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___6~0#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___7~0#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___8~0#1;havoc stopRequestedInDirection__wrappee__empty_~tmp___9~0#1; 4904#L1315-2true assume !(1 == stopRequestedInDirection__wrappee__empty_~dir#1); 5076#L1484-2true assume 0 == ~currentFloorID~0;stopRequestedInDirection__wrappee__empty_~retValue_acc~14#1 := 0;stopRequestedInDirection__wrappee__empty_#res#1 := stopRequestedInDirection__wrappee__empty_~retValue_acc~14#1; 232#L1637-2true stopRequestedInDirection_#t~ret27#1 := stopRequestedInDirection__wrappee__empty_#res#1;assume { :end_inline_stopRequestedInDirection__wrappee__empty } true;stopRequestedInDirection_~retValue_acc~15#1 := stopRequestedInDirection_#t~ret27#1;havoc stopRequestedInDirection_#t~ret27#1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~15#1; 1370#L1686true timeShift_#t~ret53#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret53#1;havoc timeShift_#t~ret53#1; 9151#L2041true assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret28#1, continueInDirection_~dir#1, continueInDirection_~tmp~7#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~7#1;~currentHeading~0 := continueInDirection_~dir#1; 6746#L1730true assume !(1 == ~currentHeading~0); 5299#L1740true assume !(0 == ~currentFloorID~0); 5015#L1740-2true assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 5669#L1746-1true assume { :end_inline_continueInDirection } true; 4096#L2050-2true assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret84#1, __utac_acc__Specification13_spec__2_#t~ret85#1, __utac_acc__Specification13_spec__2_#t~ret86#1, __utac_acc__Specification13_spec__2_#t~ret87#1, __utac_acc__Specification13_spec__2_#t~ret88#1, __utac_acc__Specification13_spec__2_#t~ret89#1, __utac_acc__Specification13_spec__2_~tmp~13#1, __utac_acc__Specification13_spec__2_~tmp___0~7#1, __utac_acc__Specification13_spec__2_~tmp___1~5#1, __utac_acc__Specification13_spec__2_~tmp___2~5#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~1#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~2#1;havoc __utac_acc__Specification13_spec__2_~tmp~13#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~7#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~1#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~2#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~1#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~2#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~1#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~1#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~1#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~1#1 / 3); 1037#L2425true assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~2#1; 2031#L2426true assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~20#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~20#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 6618#L2245true assume 1 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i~0#1 := 0;existInLiftCallsInDirection_~i~0#1 := 1 + ~currentFloorID~0; 895#L2249-2true [2021-12-15 17:11:54,494 INFO L793 eck$LassoCheckResult]: Loop: 895#L2249-2true assume !false; 87#L2250true assume existInLiftCallsInDirection_~i~0#1 < 5; 6842#L2251true assume !(0 == existInLiftCallsInDirection_~i~0#1); 6590#L2264true assume !(1 == existInLiftCallsInDirection_~i~0#1); 9034#L2273true assume !(2 == existInLiftCallsInDirection_~i~0#1); 7122#L2282true assume !(3 == existInLiftCallsInDirection_~i~0#1); 5809#L2291true assume !(4 == existInLiftCallsInDirection_~i~0#1); 103#L2292-1true existInLiftCallsInDirection_~i~0#1 := 1 + existInLiftCallsInDirection_~i~0#1; 895#L2249-2true [2021-12-15 17:11:54,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:11:54,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1983246906, now seen corresponding path program 1 times [2021-12-15 17:11:54,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:11:54,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577855736] [2021-12-15 17:11:54,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:11:54,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:11:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:11:54,730 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 17:11:54,731 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:11:54,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577855736] [2021-12-15 17:11:54,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577855736] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:11:54,732 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:11:54,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-15 17:11:54,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786603039] [2021-12-15 17:11:54,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:11:54,737 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:11:54,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:11:54,737 INFO L85 PathProgramCache]: Analyzing trace with hash 110182909, now seen corresponding path program 1 times [2021-12-15 17:11:54,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:11:54,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814399697] [2021-12-15 17:11:54,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:11:54,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:11:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:11:54,743 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:11:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:11:54,757 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:11:54,795 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:818) 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 17:11:54,799 INFO L158 Benchmark]: Toolchain (without parser) took 10439.44ms. Allocated memory was 104.9MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 72.8MB in the beginning and 861.2MB in the end (delta: -788.4MB). Peak memory consumption was 310.0MB. Max. memory is 16.1GB. [2021-12-15 17:11:54,799 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:11:54,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 490.70ms. Allocated memory was 104.9MB in the beginning and 153.1MB in the end (delta: 48.2MB). Free memory was 72.5MB in the beginning and 124.9MB in the end (delta: -52.4MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2021-12-15 17:11:54,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 327.93ms. Allocated memory is still 153.1MB. Free memory was 124.9MB in the beginning and 82.8MB in the end (delta: 42.1MB). Peak memory consumption was 92.9MB. Max. memory is 16.1GB. [2021-12-15 17:11:54,801 INFO L158 Benchmark]: Boogie Preprocessor took 674.30ms. Allocated memory was 153.1MB in the beginning and 306.2MB in the end (delta: 153.1MB). Free memory was 82.8MB in the beginning and 182.8MB in the end (delta: -99.9MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2021-12-15 17:11:54,802 INFO L158 Benchmark]: RCFGBuilder took 8185.14ms. Allocated memory was 306.2MB in the beginning and 1.2GB in the end (delta: 897.6MB). Free memory was 182.8MB in the beginning and 997.5MB in the end (delta: -814.7MB). Peak memory consumption was 358.4MB. Max. memory is 16.1GB. [2021-12-15 17:11:54,802 INFO L158 Benchmark]: BuchiAutomizer took 754.95ms. Allocated memory is still 1.2GB. Free memory was 997.5MB in the beginning and 861.2MB in the end (delta: 136.3MB). Peak memory consumption was 136.3MB. Max. memory is 16.1GB. [2021-12-15 17:11:54,805 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 104.9MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 490.70ms. Allocated memory was 104.9MB in the beginning and 153.1MB in the end (delta: 48.2MB). Free memory was 72.5MB in the beginning and 124.9MB in the end (delta: -52.4MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 327.93ms. Allocated memory is still 153.1MB. Free memory was 124.9MB in the beginning and 82.8MB in the end (delta: 42.1MB). Peak memory consumption was 92.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 674.30ms. Allocated memory was 153.1MB in the beginning and 306.2MB in the end (delta: 153.1MB). Free memory was 82.8MB in the beginning and 182.8MB in the end (delta: -99.9MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. * RCFGBuilder took 8185.14ms. Allocated memory was 306.2MB in the beginning and 1.2GB in the end (delta: 897.6MB). Free memory was 182.8MB in the beginning and 997.5MB in the end (delta: -814.7MB). Peak memory consumption was 358.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 754.95ms. Allocated memory is still 1.2GB. Free memory was 997.5MB in the beginning and 861.2MB in the end (delta: 136.3MB). Peak memory consumption was 136.3MB. 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 17:11:54,834 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