./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec13_product21.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_product21.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 bb3dce9b114483214f320874a7aac06c61be45c777f03f63c22a8ddab1e62ece --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:11:40,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:11:40,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:11:41,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:11:41,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:11:41,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:11:41,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:11:41,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:11:41,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:11:41,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:11:41,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:11:41,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:11:41,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:11:41,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:11:41,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:11:41,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:11:41,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:11:41,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:11:41,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:11:41,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:11:41,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:11:41,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:11:41,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:11:41,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:11:41,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:11:41,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:11:41,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:11:41,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:11:41,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:11:41,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:11:41,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:11:41,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:11:41,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:11:41,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:11:41,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:11:41,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:11:41,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:11:41,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:11:41,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:11:41,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:11:41,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:11:41,078 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:11:41,104 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:11:41,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:11:41,104 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:11:41,104 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:11:41,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:11:41,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:11:41,106 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:11:41,106 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:11:41,106 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:11:41,106 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:11:41,107 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:11:41,107 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:11:41,107 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:11:41,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:11:41,108 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:11:41,108 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:11:41,108 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:11:41,108 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:11:41,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:11:41,108 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:11:41,108 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:11:41,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:11:41,109 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:11:41,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:11:41,109 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:11:41,109 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:11:41,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:11:41,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:11:41,110 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:11:41,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:11:41,110 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:11:41,110 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:11:41,111 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:11:41,111 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb3dce9b114483214f320874a7aac06c61be45c777f03f63c22a8ddab1e62ece [2021-12-15 17:11:41,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:11:41,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:11:41,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:11:41,309 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:11:41,309 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:11:41,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec13_product21.cil.c [2021-12-15 17:11:41,352 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f71bea4dd/10f38d678d2f40a2a6d52a64b5909926/FLAG47788a018 [2021-12-15 17:11:41,793 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:11:41,793 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec13_product21.cil.c [2021-12-15 17:11:41,821 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f71bea4dd/10f38d678d2f40a2a6d52a64b5909926/FLAG47788a018 [2021-12-15 17:11:41,834 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f71bea4dd/10f38d678d2f40a2a6d52a64b5909926 [2021-12-15 17:11:41,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:11:41,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:11:41,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:11:41,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:11:41,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:11:41,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:11:41" (1/1) ... [2021-12-15 17:11:41,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e10b68e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:41, skipping insertion in model container [2021-12-15 17:11:41,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:11:41" (1/1) ... [2021-12-15 17:11:41,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:11:41,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:11:42,204 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_product21.cil.c[58922,58935] [2021-12-15 17:11:42,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:11:42,250 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:11:42,345 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_product21.cil.c[58922,58935] [2021-12-15 17:11:42,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:11:42,372 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:11:42,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:42 WrapperNode [2021-12-15 17:11:42,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:11:42,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:11:42,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:11:42,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:11:42,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:42" (1/1) ... [2021-12-15 17:11:42,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:42" (1/1) ... [2021-12-15 17:11:42,677 INFO L137 Inliner]: procedures = 90, calls = 338, calls flagged for inlining = 191, calls inlined = 915, statements flattened = 33591 [2021-12-15 17:11:42,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:11:42,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:11:42,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:11:42,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:11:42,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:42" (1/1) ... [2021-12-15 17:11:42,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:42" (1/1) ... [2021-12-15 17:11:42,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:42" (1/1) ... [2021-12-15 17:11:42,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:42" (1/1) ... [2021-12-15 17:11:42,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:42" (1/1) ... [2021-12-15 17:11:43,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:42" (1/1) ... [2021-12-15 17:11:43,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:42" (1/1) ... [2021-12-15 17:11:43,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:11:43,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:11:43,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:11:43,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:11:43,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:42" (1/1) ... [2021-12-15 17:11:43,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:11:43,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:11:43,247 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 17:11:43,259 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 17:11:43,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:11:43,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:11:43,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:11:43,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:11:43,459 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:11:43,460 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:11:50,955 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:11:50,993 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:11:50,994 INFO L301 CfgBuilder]: Removed 61 assume(true) statements. [2021-12-15 17:11:51,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:11:51 BoogieIcfgContainer [2021-12-15 17:11:51,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:11:51,004 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:11:51,005 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:11:51,007 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:11:51,008 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:11:51,008 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:11:41" (1/3) ... [2021-12-15 17:11:51,009 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@516221cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:11:51, skipping insertion in model container [2021-12-15 17:11:51,009 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:11:51,009 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:42" (2/3) ... [2021-12-15 17:11:51,009 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@516221cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:11:51, skipping insertion in model container [2021-12-15 17:11:51,009 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:11:51,009 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:11:51" (3/3) ... [2021-12-15 17:11:51,010 INFO L388 chiAutomizerObserver]: Analyzing ICFG elevator_spec13_product21.cil.c [2021-12-15 17:11:51,052 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:11:51,053 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:11:51,053 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:11:51,053 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:11:51,053 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:11:51,053 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:11:51,053 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:11:51,053 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:11:51,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9182 states, 9181 states have (on average 1.882692517154994) internal successors, (17285), 9181 states have internal predecessors, (17285), 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 17:11:51,311 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2322 [2021-12-15 17:11:51,312 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:11:51,312 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:11:51,321 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 17:11:51,322 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:11:51,322 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:11:51,341 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9182 states, 9181 states have (on average 1.882692517154994) internal successors, (17285), 9181 states have internal predecessors, (17285), 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 17:11:51,418 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2322 [2021-12-15 17:11:51,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:11:51,419 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:11:51,423 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 17:11:51,423 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:11:51,436 INFO L791 eck$LassoCheckResult]: Stem: 7459#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;~cleanupTimeShifts~0 := 12;~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;~head~0.base, ~head~0.offset := 0, 0; 4503#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret18#1, main_~retValue_acc~9#1, main_~tmp~8#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 343#L742true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 8577#L735true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 273#L750true main_#t~ret18#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret18#1;havoc main_#t~ret18#1; 3105#L1217true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 4832#L1193true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret7#1, aliceCall_~tmp~1#1;havoc aliceCall_~tmp~1#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 856#L801true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 6082#L826true aliceCall_#t~ret7#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~1#1 := aliceCall_#t~ret7#1;havoc aliceCall_#t~ret7#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~1#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 9014#L409true assume 0 == initPersonOnFloor_~floor#1; 7833#L410true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 1042#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; 2534#L201true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 7606#L213-2true assume { :end_inline_callOnFloor } true; 2549#L553true assume { :end_inline_initPersonOnFloor } true; 203#L949true assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret8#1, angelinaCall_~tmp~2#1;havoc angelinaCall_~tmp~2#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 498#L801-1true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 5797#L826-1true angelinaCall_#t~ret8#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~2#1 := angelinaCall_#t~ret8#1;havoc angelinaCall_#t~ret8#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~2#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 5512#L409-1true assume 0 == initPersonOnFloor_~floor#1; 6032#L410-2true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 3486#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; 8140#L201-2true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 6232#L213-5true assume { :end_inline_callOnFloor } true; 1691#L553-1true assume { :end_inline_initPersonOnFloor } true; 6033#L960true assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_#t~ret62#1, timeShift_#t~ret63#1, timeShift_#t~ret64#1, timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_~tmp~19#1, timeShift_~tmp___0~7#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#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~19#1;havoc timeShift_~tmp___0~7#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#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~ret103#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~14#1;havoc getCurrentHeading_~retValue_acc~14#1;getCurrentHeading_~retValue_acc~14#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~14#1; 3103#L1511true __utac_acc__Specification13_spec__1_#t~ret103#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret103#1;havoc __utac_acc__Specification13_spec__1_#t~ret103#1; 7334#L2870true assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_#t~ret46#1, stopRequestedAtCurrentFloor_#t~ret47#1, stopRequestedAtCurrentFloor_~retValue_acc~22#1, stopRequestedAtCurrentFloor_~tmp~17#1, stopRequestedAtCurrentFloor_~tmp___0~5#1, stopRequestedAtCurrentFloor_~__cil_tmp4~1#1, stopRequestedAtCurrentFloor_~__cil_tmp5~0#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~22#1;havoc stopRequestedAtCurrentFloor_~tmp~17#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp4~1#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp5~0#1;stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 := 2 * ~maximumWeight~0;stopRequestedAtCurrentFloor_~__cil_tmp5~0#1 := (if stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 < 0 && 0 != stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 % 3 then 1 + stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 / 3 else stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 / 3); 4671#L2140true assume ~weight~0 > stopRequestedAtCurrentFloor_~__cil_tmp5~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~11#1;havoc getCurrentFloorID_~retValue_acc~11#1;getCurrentFloorID_~retValue_acc~11#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~11#1; 8028#L1459true stopRequestedAtCurrentFloor_#t~ret45#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp~17#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1;assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := stopRequestedAtCurrentFloor_~tmp~17#1;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~13#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~13#1; 3436#L1476true assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 4118#L1497true stopRequestedAtCurrentFloor_#t~ret46#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret46#1;havoc stopRequestedAtCurrentFloor_#t~ret46#1;stopRequestedAtCurrentFloor_~retValue_acc~22#1 := (if 1 == stopRequestedAtCurrentFloor_~tmp___0~5#1 then 1 else 0);stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~22#1; 71#L2151true timeShift_#t~ret60#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret60#1;havoc timeShift_#t~ret60#1; 4820#L2290true assume !(0 != timeShift_~tmp___9~2#1); 1521#L2381true assume 1 == ~doorState~0;~doorState~0 := 0; 5040#L2381-2true 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~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~19#1, stopRequestedInDirection_~overload~0#1, stopRequestedInDirection_~buttonPressed~0#1, stopRequestedInDirection_~tmp~14#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~19#1;havoc stopRequestedInDirection_~overload~0#1;havoc stopRequestedInDirection_~buttonPressed~0#1;havoc stopRequestedInDirection_~tmp~14#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~20#1;havoc isAnyLiftButtonPressed_~retValue_acc~20#1; 9025#L2043true assume 0 != ~floorButtons_0~0;isAnyLiftButtonPressed_~retValue_acc~20#1 := 1;isAnyLiftButtonPressed_#res#1 := isAnyLiftButtonPressed_~retValue_acc~20#1; 6325#L2064true stopRequestedInDirection_#t~ret38#1 := isAnyLiftButtonPressed_#res#1;assume { :end_inline_isAnyLiftButtonPressed } true;stopRequestedInDirection_~tmp~14#1 := stopRequestedInDirection_#t~ret38#1;havoc stopRequestedInDirection_#t~ret38#1;stopRequestedInDirection_~buttonPressed~0#1 := stopRequestedInDirection_~tmp~14#1; 3339#L2016true assume !(0 != stopRequestedInDirection_~overload~0#1);assume { :begin_inline_stopRequestedInDirection__wrappee__weight } true;stopRequestedInDirection__wrappee__weight_#in~dir#1, stopRequestedInDirection__wrappee__weight_#in~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_#in~respectInLiftCalls#1 := stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__weight_#res#1;havoc stopRequestedInDirection__wrappee__weight_#t~ret27#1, stopRequestedInDirection__wrappee__weight_#t~ret28#1, stopRequestedInDirection__wrappee__weight_#t~ret29#1, stopRequestedInDirection__wrappee__weight_#t~ret30#1, stopRequestedInDirection__wrappee__weight_#t~ret31#1, stopRequestedInDirection__wrappee__weight_#t~ret32#1, stopRequestedInDirection__wrappee__weight_#t~ret33#1, stopRequestedInDirection__wrappee__weight_#t~ret34#1, stopRequestedInDirection__wrappee__weight_#t~ret35#1, stopRequestedInDirection__wrappee__weight_#t~ret36#1, stopRequestedInDirection__wrappee__weight_#t~ret37#1, stopRequestedInDirection__wrappee__weight_~dir#1, stopRequestedInDirection__wrappee__weight_~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_~respectInLiftCalls#1, stopRequestedInDirection__wrappee__weight_~retValue_acc~18#1, stopRequestedInDirection__wrappee__weight_~tmp~13#1, stopRequestedInDirection__wrappee__weight_~tmp___0~3#1, stopRequestedInDirection__wrappee__weight_~tmp___1~2#1, stopRequestedInDirection__wrappee__weight_~tmp___2~2#1, stopRequestedInDirection__wrappee__weight_~tmp___3~1#1, stopRequestedInDirection__wrappee__weight_~tmp___4~0#1, stopRequestedInDirection__wrappee__weight_~tmp___5~0#1, stopRequestedInDirection__wrappee__weight_~tmp___6~0#1, stopRequestedInDirection__wrappee__weight_~tmp___7~0#1, stopRequestedInDirection__wrappee__weight_~tmp___8~0#1, stopRequestedInDirection__wrappee__weight_~tmp___9~0#1;stopRequestedInDirection__wrappee__weight_~dir#1 := stopRequestedInDirection__wrappee__weight_#in~dir#1;stopRequestedInDirection__wrappee__weight_~respectFloorCalls#1 := stopRequestedInDirection__wrappee__weight_#in~respectFloorCalls#1;stopRequestedInDirection__wrappee__weight_~respectInLiftCalls#1 := stopRequestedInDirection__wrappee__weight_#in~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__weight_~retValue_acc~18#1;havoc stopRequestedInDirection__wrappee__weight_~tmp~13#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___0~3#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___1~2#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___2~2#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___3~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___4~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___5~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___6~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___7~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___8~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___9~0#1; 2180#L1663-2true assume !(1 == stopRequestedInDirection__wrappee__weight_~dir#1); 7011#L1832-2true assume 0 == ~currentFloorID~0;stopRequestedInDirection__wrappee__weight_~retValue_acc~18#1 := 0;stopRequestedInDirection__wrappee__weight_#res#1 := stopRequestedInDirection__wrappee__weight_~retValue_acc~18#1; 7318#L1985-2true stopRequestedInDirection_#t~ret41#1 := stopRequestedInDirection__wrappee__weight_#res#1;assume { :end_inline_stopRequestedInDirection__wrappee__weight } true;stopRequestedInDirection_~retValue_acc~19#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~19#1; 4990#L2034true timeShift_#t~ret67#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 6204#L2389true assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret42#1, continueInDirection_~dir#1, continueInDirection_~tmp~15#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~15#1;~currentHeading~0 := continueInDirection_~dir#1; 6698#L2078true assume !(1 == ~currentHeading~0); 6851#L2088true assume !(0 == ~currentFloorID~0); 8460#L2088-2true assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 1016#L2094-1true assume { :end_inline_continueInDirection } true; 256#L2398-2true assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret104#1, __utac_acc__Specification13_spec__2_#t~ret105#1, __utac_acc__Specification13_spec__2_#t~ret106#1, __utac_acc__Specification13_spec__2_#t~ret107#1, __utac_acc__Specification13_spec__2_#t~ret108#1, __utac_acc__Specification13_spec__2_#t~ret109#1, __utac_acc__Specification13_spec__2_~tmp~23#1, __utac_acc__Specification13_spec__2_~tmp___0~11#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#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~23#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#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); 2605#L2887true assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~2#1; 4851#L2888true 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~24#1, existInLiftCallsInDirection_~i~1#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~24#1;havoc existInLiftCallsInDirection_~i~1#1;havoc existInLiftCallsInDirection_~i___0~0#1; 497#L2593true assume 1 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i~1#1 := 0;existInLiftCallsInDirection_~i~1#1 := 1 + ~currentFloorID~0; 6976#L2597-2true [2021-12-15 17:11:51,438 INFO L793 eck$LassoCheckResult]: Loop: 6976#L2597-2true assume !false; 3537#L2598true assume existInLiftCallsInDirection_~i~1#1 < 5; 1144#L2599true assume !(0 == existInLiftCallsInDirection_~i~1#1); 8312#L2612true assume !(1 == existInLiftCallsInDirection_~i~1#1); 3632#L2621true assume !(2 == existInLiftCallsInDirection_~i~1#1); 7430#L2630true assume !(3 == existInLiftCallsInDirection_~i~1#1); 3228#L2639true assume !(4 == existInLiftCallsInDirection_~i~1#1); 4706#L2640-1true existInLiftCallsInDirection_~i~1#1 := 1 + existInLiftCallsInDirection_~i~1#1; 6976#L2597-2true [2021-12-15 17:11:51,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:11:51,448 INFO L85 PathProgramCache]: Analyzing trace with hash 958873418, now seen corresponding path program 1 times [2021-12-15 17:11:51,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:11:51,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466985731] [2021-12-15 17:11:51,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:11:51,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:11:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:11:51,717 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 17:11:51,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:11:51,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466985731] [2021-12-15 17:11:51,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466985731] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:11:51,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:11:51,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-15 17:11:51,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784626463] [2021-12-15 17:11:51,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:11:51,724 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:11:51,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:11:51,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1684916733, now seen corresponding path program 1 times [2021-12-15 17:11:51,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:11:51,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814650019] [2021-12-15 17:11:51,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:11:51,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:11:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:11:51,730 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:11:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:11:51,744 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:11:51,781 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 17:11:51,784 INFO L158 Benchmark]: Toolchain (without parser) took 9944.11ms. Allocated memory was 125.8MB in the beginning and 725.6MB in the end (delta: 599.8MB). Free memory was 87.8MB in the beginning and 405.6MB in the end (delta: -317.8MB). Peak memory consumption was 281.7MB. Max. memory is 16.1GB. [2021-12-15 17:11:51,784 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 125.8MB. Free memory was 99.1MB in the beginning and 99.1MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:11:51,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 533.25ms. Allocated memory is still 125.8MB. Free memory was 87.8MB in the beginning and 74.3MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 17:11:51,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 302.96ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 74.3MB in the beginning and 117.2MB in the end (delta: -43.0MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. [2021-12-15 17:11:51,786 INFO L158 Benchmark]: Boogie Preprocessor took 536.97ms. Allocated memory is still 180.4MB. Free memory was 117.2MB in the beginning and 77.0MB in the end (delta: 40.2MB). Peak memory consumption was 91.2MB. Max. memory is 16.1GB. [2021-12-15 17:11:51,786 INFO L158 Benchmark]: RCFGBuilder took 7788.23ms. Allocated memory was 180.4MB in the beginning and 725.6MB in the end (delta: 545.3MB). Free memory was 77.0MB in the beginning and 538.7MB in the end (delta: -461.8MB). Peak memory consumption was 385.4MB. Max. memory is 16.1GB. [2021-12-15 17:11:51,787 INFO L158 Benchmark]: BuchiAutomizer took 778.24ms. Allocated memory is still 725.6MB. Free memory was 538.7MB in the beginning and 405.6MB in the end (delta: 133.2MB). Peak memory consumption was 132.1MB. Max. memory is 16.1GB. [2021-12-15 17:11:51,789 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 125.8MB. Free memory was 99.1MB in the beginning and 99.1MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 533.25ms. Allocated memory is still 125.8MB. Free memory was 87.8MB in the beginning and 74.3MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 302.96ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 74.3MB in the beginning and 117.2MB in the end (delta: -43.0MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 536.97ms. Allocated memory is still 180.4MB. Free memory was 117.2MB in the beginning and 77.0MB in the end (delta: 40.2MB). Peak memory consumption was 91.2MB. Max. memory is 16.1GB. * RCFGBuilder took 7788.23ms. Allocated memory was 180.4MB in the beginning and 725.6MB in the end (delta: 545.3MB). Free memory was 77.0MB in the beginning and 538.7MB in the end (delta: -461.8MB). Peak memory consumption was 385.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 778.24ms. Allocated memory is still 725.6MB. Free memory was 538.7MB in the beginning and 405.6MB in the end (delta: 133.2MB). Peak memory consumption was 132.1MB. 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 17:11:51,837 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*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