./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec13_product31.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_product31.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 2e77838346608929bef5ad1e655ea0710d74ebb9f10b29169ab985d305812d92 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:11:45,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:11:45,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:11:45,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:11:45,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:11:45,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:11:45,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:11:45,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:11:45,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:11:45,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:11:45,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:11:45,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:11:45,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:11:45,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:11:45,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:11:45,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:11:45,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:11:45,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:11:45,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:11:45,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:11:45,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:11:45,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:11:45,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:11:45,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:11:45,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:11:45,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:11:45,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:11:45,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:11:45,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:11:45,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:11:45,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:11:45,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:11:45,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:11:45,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:11:45,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:11:45,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:11:45,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:11:45,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:11:45,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:11:45,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:11:45,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:11:45,501 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:11:45,535 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:11:45,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:11:45,536 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:11:45,536 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:11:45,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:11:45,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:11:45,539 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:11:45,539 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:11:45,539 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:11:45,539 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:11:45,540 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:11:45,540 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:11:45,540 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:11:45,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:11:45,541 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:11:45,541 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:11:45,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:11:45,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:11:45,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:11:45,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:11:45,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:11:45,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:11:45,542 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:11:45,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:11:45,543 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:11:45,543 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:11:45,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:11:45,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:11:45,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:11:45,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:11:45,544 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:11:45,544 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:11:45,545 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:11:45,546 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e77838346608929bef5ad1e655ea0710d74ebb9f10b29169ab985d305812d92 [2021-12-15 17:11:45,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:11:45,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:11:45,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:11:45,840 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:11:45,841 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:11:45,842 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec13_product31.cil.c [2021-12-15 17:11:45,907 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/337a0d3d6/4843b953452342d1b222627b1e5e338b/FLAGf28fe3f32 [2021-12-15 17:11:46,532 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:11:46,535 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec13_product31.cil.c [2021-12-15 17:11:46,556 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/337a0d3d6/4843b953452342d1b222627b1e5e338b/FLAGf28fe3f32 [2021-12-15 17:11:46,899 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/337a0d3d6/4843b953452342d1b222627b1e5e338b [2021-12-15 17:11:46,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:11:46,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:11:46,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:11:46,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:11:46,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:11:46,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:11:46" (1/1) ... [2021-12-15 17:11:46,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ebdc2b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:46, skipping insertion in model container [2021-12-15 17:11:46,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:11:46" (1/1) ... [2021-12-15 17:11:46,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:11:46,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:11:47,151 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_product31.cil.c[1546,1559] [2021-12-15 17:11:47,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:11:47,434 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:11:47,446 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_product31.cil.c[1546,1559] [2021-12-15 17:11:47,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:11:47,581 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:11:47,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:47 WrapperNode [2021-12-15 17:11:47,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:11:47,582 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:11:47,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:11:47,582 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:11:47,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:47" (1/1) ... [2021-12-15 17:11:47,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:47" (1/1) ... [2021-12-15 17:11:47,974 INFO L137 Inliner]: procedures = 95, calls = 348, calls flagged for inlining = 201, calls inlined = 1065, statements flattened = 36562 [2021-12-15 17:11:47,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:11:47,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:11:47,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:11:47,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:11:48,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:47" (1/1) ... [2021-12-15 17:11:48,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:47" (1/1) ... [2021-12-15 17:11:48,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:47" (1/1) ... [2021-12-15 17:11:48,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:47" (1/1) ... [2021-12-15 17:11:48,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:47" (1/1) ... [2021-12-15 17:11:48,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:47" (1/1) ... [2021-12-15 17:11:48,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:47" (1/1) ... [2021-12-15 17:11:48,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:11:48,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:11:48,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:11:48,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:11:48,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:47" (1/1) ... [2021-12-15 17:11:48,849 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:11:48,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:11:48,881 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 17:11:48,903 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 17:11:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:11:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:11:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:11:48,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:11:49,061 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:11:49,063 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:11:59,194 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:11:59,240 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:11:59,240 INFO L301 CfgBuilder]: Removed 61 assume(true) statements. [2021-12-15 17:11:59,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:11:59 BoogieIcfgContainer [2021-12-15 17:11:59,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:11:59,254 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:11:59,256 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:11:59,259 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:11:59,260 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:11:59,260 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:11:46" (1/3) ... [2021-12-15 17:11:59,261 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10444721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:11:59, skipping insertion in model container [2021-12-15 17:11:59,261 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:11:59,261 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:11:47" (2/3) ... [2021-12-15 17:11:59,261 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10444721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:11:59, skipping insertion in model container [2021-12-15 17:11:59,261 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:11:59,261 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:11:59" (3/3) ... [2021-12-15 17:11:59,262 INFO L388 chiAutomizerObserver]: Analyzing ICFG elevator_spec13_product31.cil.c [2021-12-15 17:11:59,305 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:11:59,306 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:11:59,306 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:11:59,306 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:11:59,306 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:11:59,306 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:11:59,306 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:11:59,306 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:11:59,471 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9727 states, 9726 states have (on average 1.8738433066008637) internal successors, (18225), 9726 states have internal predecessors, (18225), 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 17:11:59,773 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2431 [2021-12-15 17:11:59,775 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:11:59,776 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:11:59,787 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, 1] [2021-12-15 17:11:59,788 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:11:59,788 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:11:59,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9727 states, 9726 states have (on average 1.8738433066008637) internal successors, (18225), 9726 states have internal predecessors, (18225), 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 17:11:59,950 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2431 [2021-12-15 17:11:59,952 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:11:59,953 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:11:59,958 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, 1] [2021-12-15 17:11:59,959 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:11:59,980 INFO L791 eck$LassoCheckResult]: Stem: 7900#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~prevDir~0 := 0;~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;~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; 4675#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~10#1, main_~tmp~12#1;havoc main_~retValue_acc~10#1;havoc main_~tmp~12#1;assume { :begin_inline_select_helpers } true; 8727#L1702true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 7738#L1695true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1; 6128#L1710true main_#t~ret47#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~12#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 2915#L1651true assume 0 != main_~tmp~12#1;assume { :begin_inline_setup } true; 6190#L1624true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret36#1, aliceCall_~tmp~5#1;havoc aliceCall_~tmp~5#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; 5438#L564true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~4#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~4#1; 5580#L589true aliceCall_#t~ret36#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~5#1 := aliceCall_#t~ret36#1;havoc aliceCall_#t~ret36#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 1174#L999true assume 0 == initPersonOnFloor_~floor#1; 4587#L1000true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 7844#L1107-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 324#L791true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 1194#L803-2true assume { :end_inline_callOnFloor } true; 6763#L1143true assume { :end_inline_initPersonOnFloor } true; 7062#L1380true assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret37#1, angelinaCall_~tmp~6#1;havoc angelinaCall_~tmp~6#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; 5025#L564-1true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~4#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~4#1; 8023#L589-1true angelinaCall_#t~ret37#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~6#1 := angelinaCall_#t~ret37#1;havoc angelinaCall_#t~ret37#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~6#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 3826#L999-1true assume 0 == initPersonOnFloor_~floor#1; 9453#L1000-2true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 3379#L1107-3true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 8365#L791-2true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 8215#L803-5true assume { :end_inline_callOnFloor } true; 5068#L1143-1true assume { :end_inline_initPersonOnFloor } true; 1733#L1391true assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret98#1, timeShift_#t~ret99#1, timeShift_#t~ret100#1, timeShift_#t~ret101#1, timeShift_#t~ret102#1, timeShift_#t~ret103#1, timeShift_#t~ret104#1, timeShift_#t~ret105#1, timeShift_#t~ret106#1, timeShift_#t~ret107#1, timeShift_#t~ret108#1, timeShift_~tmp~26#1, timeShift_~tmp___0~10#1, timeShift_~tmp___1~5#1, timeShift_~tmp___2~5#1, timeShift_~tmp___3~4#1, timeShift_~tmp___4~3#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~26#1;havoc timeShift_~tmp___0~10#1;havoc timeShift_~tmp___1~5#1;havoc timeShift_~tmp___2~5#1;havoc timeShift_~tmp___3~4#1;havoc timeShift_~tmp___4~3#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~ret27#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;havoc getCurrentHeading_~retValue_acc~17#1;getCurrentHeading_~retValue_acc~17#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~17#1; 3513#L2015true __utac_acc__Specification13_spec__1_#t~ret27#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret27#1;havoc __utac_acc__Specification13_spec__1_#t~ret27#1; 468#L436true assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret82#1, stopRequestedAtCurrentFloor_#t~ret83#1, stopRequestedAtCurrentFloor_#t~ret84#1, stopRequestedAtCurrentFloor_#t~ret85#1, stopRequestedAtCurrentFloor_~retValue_acc~27#1, stopRequestedAtCurrentFloor_~tmp~24#1, stopRequestedAtCurrentFloor_~tmp___0~8#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~27#1;havoc stopRequestedAtCurrentFloor_~tmp~24#1;havoc stopRequestedAtCurrentFloor_~tmp___0~8#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret135#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~6#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~6#1; 9180#L728true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~6#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~6#1; 604#L755true isExecutiveFloorCalling_#t~ret135#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret135#1;havoc isExecutiveFloorCalling_#t~ret135#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 3137#L3316true stopRequestedAtCurrentFloor_#t~ret82#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedAtCurrentFloor_~tmp~24#1 := stopRequestedAtCurrentFloor_#t~ret82#1;havoc stopRequestedAtCurrentFloor_#t~ret82#1; 4876#L2700true assume 0 != stopRequestedAtCurrentFloor_~tmp~24#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;havoc getCurrentFloorID_~retValue_acc~14#1;getCurrentFloorID_~retValue_acc~14#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~14#1; 2991#L1963true stopRequestedAtCurrentFloor_#t~ret83#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp___0~8#1 := stopRequestedAtCurrentFloor_#t~ret83#1;havoc stopRequestedAtCurrentFloor_#t~ret83#1; 2706#L2704true assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~8#1);stopRequestedAtCurrentFloor_~retValue_acc~27#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~27#1; 868#L2717true timeShift_#t~ret98#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret98#1;havoc timeShift_#t~ret98#1; 586#L2853true assume !(0 != timeShift_~tmp___9~2#1); 3156#L2944true assume 1 == ~doorState~0;~doorState~0 := 0; 900#L2944-2true 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~ret73#1, stopRequestedInDirection_#t~ret74#1, stopRequestedInDirection_#t~ret75#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~23#1, stopRequestedInDirection_~tmp~20#1, stopRequestedInDirection_~tmp___0~5#1, stopRequestedInDirection_~__cil_tmp7~6#1, stopRequestedInDirection_~__cil_tmp8~7#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~23#1;havoc stopRequestedInDirection_~tmp~20#1;havoc stopRequestedInDirection_~tmp___0~5#1;havoc stopRequestedInDirection_~__cil_tmp7~6#1;havoc stopRequestedInDirection_~__cil_tmp8~7#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret135#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~6#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~6#1; 8469#L728-3true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~6#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~6#1; 8592#L755-3true isExecutiveFloorCalling_#t~ret135#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret135#1;havoc isExecutiveFloorCalling_#t~ret135#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 2754#L3316-1true stopRequestedInDirection_#t~ret73#1 := isExecutiveFloorCalling_#res#1;assume { :end_inline_isExecutiveFloorCalling } true;stopRequestedInDirection_~tmp___0~5#1 := stopRequestedInDirection_#t~ret73#1;havoc stopRequestedInDirection_#t~ret73#1; 408#L2555true assume 0 != stopRequestedInDirection_~tmp___0~5#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;havoc getCurrentFloorID_~retValue_acc~14#1;getCurrentFloorID_~retValue_acc~14#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~14#1; 4925#L1963-3true stopRequestedInDirection_#t~ret74#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedInDirection_~tmp~20#1 := stopRequestedInDirection_#t~ret74#1;havoc stopRequestedInDirection_#t~ret74#1;stopRequestedInDirection_~__cil_tmp7~6#1 := (if 1 == stopRequestedInDirection_~dir#1 then 1 else 0);stopRequestedInDirection_~__cil_tmp8~7#1 := (if stopRequestedInDirection_~tmp~20#1 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~23#1 := (if stopRequestedInDirection_~__cil_tmp8~7#1 == stopRequestedInDirection_~__cil_tmp7~6#1 then 1 else 0);stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~23#1; 289#L2568true timeShift_#t~ret105#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret105#1;havoc timeShift_#t~ret105#1; 208#L2952true assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret76#1, continueInDirection_~dir#1, continueInDirection_~tmp~21#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~21#1;~currentHeading~0 := continueInDirection_~dir#1; 8804#L2612true assume !(1 == ~currentHeading~0); 2637#L2622true assume !(0 == ~currentFloorID~0); 3834#L2622-2true assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 2495#L2628-1true assume { :end_inline_continueInDirection } true; 11#L2961-2true assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret28#1, __utac_acc__Specification13_spec__2_#t~ret29#1, __utac_acc__Specification13_spec__2_#t~ret30#1, __utac_acc__Specification13_spec__2_#t~ret31#1, __utac_acc__Specification13_spec__2_#t~ret32#1, __utac_acc__Specification13_spec__2_#t~ret33#1, __utac_acc__Specification13_spec__2_~tmp~3#1, __utac_acc__Specification13_spec__2_~tmp___0~0#1, __utac_acc__Specification13_spec__2_~tmp___1~0#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~5#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~5#1;havoc __utac_acc__Specification13_spec__2_~tmp~3#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~5#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~5#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~5#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~5#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~5#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~5#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~5#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~5#1 / 3); 1814#L454true assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~5#1; 1044#L455true 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~29#1, existInLiftCallsInDirection_~i~1#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~29#1;havoc existInLiftCallsInDirection_~i~1#1;havoc existInLiftCallsInDirection_~i___0~0#1; 2127#L3156true assume 1 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i~1#1 := 0;existInLiftCallsInDirection_~i~1#1 := 1 + ~currentFloorID~0; 5266#L3160-2true [2021-12-15 17:11:59,981 INFO L793 eck$LassoCheckResult]: Loop: 5266#L3160-2true assume !false; 3479#L3161true assume existInLiftCallsInDirection_~i~1#1 < 5; 5#L3162true assume !(0 == existInLiftCallsInDirection_~i~1#1); 3720#L3175true assume !(1 == existInLiftCallsInDirection_~i~1#1); 4622#L3184true assume !(2 == existInLiftCallsInDirection_~i~1#1); 3139#L3193true assume !(3 == existInLiftCallsInDirection_~i~1#1); 5256#L3202true assume !(4 == existInLiftCallsInDirection_~i~1#1); 1636#L3203-1true existInLiftCallsInDirection_~i~1#1 := 1 + existInLiftCallsInDirection_~i~1#1; 5266#L3160-2true [2021-12-15 17:11:59,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:11:59,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1456644332, now seen corresponding path program 1 times [2021-12-15 17:12:00,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:12:00,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818809951] [2021-12-15 17:12:00,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:12:00,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:12:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:12:00,288 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 17:12:00,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:12:00,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818809951] [2021-12-15 17:12:00,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818809951] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:12:00,290 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:12:00,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-15 17:12:00,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377674062] [2021-12-15 17:12:00,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:12:00,296 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:12:00,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:12:00,297 INFO L85 PathProgramCache]: Analyzing trace with hash -462995331, now seen corresponding path program 1 times [2021-12-15 17:12:00,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:12:00,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794425892] [2021-12-15 17:12:00,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:12:00,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:12:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:12:00,304 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:12:00,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:12:00,324 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:12:00,367 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 17:12:00,371 INFO L158 Benchmark]: Toolchain (without parser) took 13467.53ms. Allocated memory was 115.3MB in the beginning and 960.5MB in the end (delta: 845.2MB). Free memory was 83.4MB in the beginning and 684.7MB in the end (delta: -601.4MB). Peak memory consumption was 242.6MB. Max. memory is 16.1GB. [2021-12-15 17:12:00,371 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 115.3MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:12:00,372 INFO L158 Benchmark]: CACSL2BoogieTranslator took 674.00ms. Allocated memory is still 115.3MB. Free memory was 83.4MB in the beginning and 62.3MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 17:12:00,373 INFO L158 Benchmark]: Boogie Procedure Inliner took 393.19ms. Allocated memory was 115.3MB in the beginning and 140.5MB in the end (delta: 25.2MB). Free memory was 62.3MB in the beginning and 63.5MB in the end (delta: -1.2MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2021-12-15 17:12:00,374 INFO L158 Benchmark]: Boogie Preprocessor took 863.69ms. Allocated memory was 140.5MB in the beginning and 234.9MB in the end (delta: 94.4MB). Free memory was 63.5MB in the beginning and 121.2MB in the end (delta: -57.6MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB. [2021-12-15 17:12:00,374 INFO L158 Benchmark]: RCFGBuilder took 10410.78ms. Allocated memory was 234.9MB in the beginning and 960.5MB in the end (delta: 725.6MB). Free memory was 120.4MB in the beginning and 522.5MB in the end (delta: -402.2MB). Peak memory consumption was 334.5MB. Max. memory is 16.1GB. [2021-12-15 17:12:00,375 INFO L158 Benchmark]: BuchiAutomizer took 1115.48ms. Allocated memory is still 960.5MB. Free memory was 522.5MB in the beginning and 684.7MB in the end (delta: -162.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:12:00,378 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 115.3MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 674.00ms. Allocated memory is still 115.3MB. Free memory was 83.4MB in the beginning and 62.3MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 393.19ms. Allocated memory was 115.3MB in the beginning and 140.5MB in the end (delta: 25.2MB). Free memory was 62.3MB in the beginning and 63.5MB in the end (delta: -1.2MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 863.69ms. Allocated memory was 140.5MB in the beginning and 234.9MB in the end (delta: 94.4MB). Free memory was 63.5MB in the beginning and 121.2MB in the end (delta: -57.6MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB. * RCFGBuilder took 10410.78ms. Allocated memory was 234.9MB in the beginning and 960.5MB in the end (delta: 725.6MB). Free memory was 120.4MB in the beginning and 522.5MB in the end (delta: -402.2MB). Peak memory consumption was 334.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1115.48ms. Allocated memory is still 960.5MB. Free memory was 522.5MB in the beginning and 684.7MB in the end (delta: -162.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 17:12:00,454 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