./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec2_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b 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_spec2_product09.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 4cb164e6307f0ddcae5850d7f4578967441d1456f6ed5a5be472ba090758b873 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 23:30:31,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 23:30:31,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 23:30:31,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 23:30:31,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 23:30:31,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 23:30:31,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 23:30:31,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 23:30:31,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 23:30:31,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 23:30:31,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 23:30:31,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 23:30:31,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 23:30:31,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 23:30:31,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 23:30:31,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 23:30:31,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 23:30:31,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 23:30:31,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 23:30:31,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 23:30:31,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 23:30:31,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 23:30:31,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 23:30:31,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 23:30:31,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 23:30:31,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 23:30:31,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 23:30:31,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 23:30:31,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 23:30:31,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 23:30:31,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 23:30:31,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 23:30:31,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 23:30:31,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 23:30:31,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 23:30:31,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 23:30:31,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 23:30:31,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 23:30:31,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 23:30:31,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 23:30:31,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 23:30:31,606 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-14 23:30:31,619 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 23:30:31,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 23:30:31,624 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 23:30:31,624 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 23:30:31,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 23:30:31,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 23:30:31,625 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 23:30:31,625 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-14 23:30:31,625 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-14 23:30:31,626 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-14 23:30:31,626 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-14 23:30:31,626 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-14 23:30:31,626 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-14 23:30:31,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 23:30:31,627 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 23:30:31,627 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 23:30:31,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 23:30:31,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 23:30:31,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 23:30:31,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-14 23:30:31,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-14 23:30:31,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-14 23:30:31,628 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 23:30:31,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 23:30:31,629 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-14 23:30:31,629 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 23:30:31,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-14 23:30:31,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 23:30:31,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 23:30:31,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 23:30:31,630 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 23:30:31,630 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 23:30:31,630 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-14 23:30:31,631 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cb164e6307f0ddcae5850d7f4578967441d1456f6ed5a5be472ba090758b873 [2021-12-14 23:30:31,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 23:30:31,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 23:30:31,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 23:30:31,841 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 23:30:31,843 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 23:30:31,844 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec2_product09.cil.c [2021-12-14 23:30:31,889 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1df60559/b0a727004ec24f9cb2d109a458363b93/FLAG33370ccd2 [2021-12-14 23:30:32,308 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 23:30:32,308 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec2_product09.cil.c [2021-12-14 23:30:32,338 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1df60559/b0a727004ec24f9cb2d109a458363b93/FLAG33370ccd2 [2021-12-14 23:30:32,664 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1df60559/b0a727004ec24f9cb2d109a458363b93 [2021-12-14 23:30:32,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 23:30:32,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 23:30:32,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 23:30:32,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 23:30:32,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 23:30:32,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:30:32" (1/1) ... [2021-12-14 23:30:32,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@551e3878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:32, skipping insertion in model container [2021-12-14 23:30:32,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:30:32" (1/1) ... [2021-12-14 23:30:32,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 23:30:32,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 23:30:32,949 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_spec2_product09.cil.c[28842,28855] [2021-12-14 23:30:33,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:30:33,073 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 23:30:33,117 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_spec2_product09.cil.c[28842,28855] [2021-12-14 23:30:33,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:30:33,179 INFO L208 MainTranslator]: Completed translation [2021-12-14 23:30:33,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:33 WrapperNode [2021-12-14 23:30:33,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 23:30:33,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 23:30:33,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 23:30:33,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 23:30:33,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:33" (1/1) ... [2021-12-14 23:30:33,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:33" (1/1) ... [2021-12-14 23:30:33,360 INFO L137 Inliner]: procedures = 89, calls = 330, calls flagged for inlining = 183, calls inlined = 252, statements flattened = 8075 [2021-12-14 23:30:33,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 23:30:33,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 23:30:33,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 23:30:33,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 23:30:33,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:33" (1/1) ... [2021-12-14 23:30:33,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:33" (1/1) ... [2021-12-14 23:30:33,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:33" (1/1) ... [2021-12-14 23:30:33,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:33" (1/1) ... [2021-12-14 23:30:33,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:33" (1/1) ... [2021-12-14 23:30:33,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:33" (1/1) ... [2021-12-14 23:30:33,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:33" (1/1) ... [2021-12-14 23:30:33,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 23:30:33,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 23:30:33,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 23:30:33,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 23:30:33,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:33" (1/1) ... [2021-12-14 23:30:33,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:30:33,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:30:33,528 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) [2021-12-14 23:30:33,545 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 [2021-12-14 23:30:33,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 23:30:33,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 23:30:33,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 23:30:33,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 23:30:33,712 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 23:30:33,713 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 23:30:36,003 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 23:30:36,021 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 23:30:36,022 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 23:30:36,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:30:36 BoogieIcfgContainer [2021-12-14 23:30:36,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 23:30:36,025 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-14 23:30:36,025 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-14 23:30:36,027 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-14 23:30:36,028 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:30:36,028 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.12 11:30:32" (1/3) ... [2021-12-14 23:30:36,029 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71ae7a48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:30:36, skipping insertion in model container [2021-12-14 23:30:36,029 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:30:36,029 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:30:33" (2/3) ... [2021-12-14 23:30:36,029 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71ae7a48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:30:36, skipping insertion in model container [2021-12-14 23:30:36,029 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:30:36,029 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:30:36" (3/3) ... [2021-12-14 23:30:36,030 INFO L388 chiAutomizerObserver]: Analyzing ICFG elevator_spec2_product09.cil.c [2021-12-14 23:30:36,054 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-14 23:30:36,055 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-14 23:30:36,055 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-14 23:30:36,055 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-14 23:30:36,055 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-14 23:30:36,055 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-14 23:30:36,055 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-14 23:30:36,055 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-14 23:30:36,084 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 2387 states, 2386 states have (on average 1.8725901089689858) internal successors, (4468), 2386 states have internal predecessors, (4468), 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) [2021-12-14 23:30:36,138 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1177 [2021-12-14 23:30:36,138 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:30:36,139 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:30:36,148 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] [2021-12-14 23:30:36,148 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-14 23:30:36,148 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-14 23:30:36,152 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 2387 states, 2386 states have (on average 1.8725901089689858) internal successors, (4468), 2386 states have internal predecessors, (4468), 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) [2021-12-14 23:30:36,170 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1177 [2021-12-14 23:30:36,170 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:30:36,170 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:30:36,173 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] [2021-12-14 23:30:36,173 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-14 23:30:36,178 INFO L791 eck$LassoCheckResult]: Stem: 570#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);~cleanupTimeShifts~0 := 12;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 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;~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;~head~0.base, ~head~0.offset := 0, 0; 2300#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~1#1, main_~tmp~8#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 538#L1406true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 390#L1399true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 1462#L1414true main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 1867#L399true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 1774#L368true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 2247#L550true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~3#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~3#1; 1351#L458true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 547#L483true bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 1066#L1076true assume 0 == initPersonOnFloor_~floor#1; 785#L1077true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 146#L1184-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 2119#L868true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 2080#L880-2true assume { :end_inline_callOnFloor } true; 138#L1220true assume { :end_inline_initPersonOnFloor } true; 437#L168true assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 1602#L805true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 1802#L832true stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 1511#L2265true assume 0 != stopRequestedAtCurrentFloor_~tmp___0~5#1;stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 1;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 1444#L2277true timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 1910#L2413true assume !(0 != timeShift_~tmp___9~2#1); 1897#L2504true assume !(1 == ~doorState~0); 1913#L2504-2true 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 446#L1856true assume !(1 == stopRequestedInDirection_~dir#1); 1659#L2025true assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 1197#L2178true timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 2084#L2512true assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 2383#L2232true assume !(1 == ~currentHeading~0); 1043#L2242true assume !(0 == ~currentFloorID~0); 758#L2242-2true assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 1488#L2248-1true assume { :end_inline_continueInDirection } true; 1416#L2521-2true assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 1692#L1652true __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 292#L595true assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 2303#L596true assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 2278#L1661true __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 108#L600true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 627#L655true assume { :end_inline___utac_acc__Specification2_spec__3 } true; 2353#L2536true assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 2337#L198-2true [2021-12-14 23:30:36,179 INFO L793 eck$LassoCheckResult]: Loop: 2337#L198-2true assume !false; 1992#L199true cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 526#L202true assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~10#1;havoc isBlocked_~retValue_acc~10#1;isBlocked_~retValue_acc~10#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~10#1; 183#L1499true cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 626#L206true assume 1 != cleanup_~tmp___0~0#1; 2036#L206-1true assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret31#1, isIdle_~retValue_acc~17#1, isIdle_~tmp~12#1;havoc isIdle_~retValue_acc~17#1;havoc isIdle_~tmp~12#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret26#1, anyStopRequested_#t~ret27#1, anyStopRequested_#t~ret28#1, anyStopRequested_#t~ret29#1, anyStopRequested_#t~ret30#1, anyStopRequested_~retValue_acc~16#1, anyStopRequested_~tmp~11#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~2#1, anyStopRequested_~tmp___2~2#1, anyStopRequested_~tmp___3~1#1;havoc anyStopRequested_~retValue_acc~16#1;havoc anyStopRequested_~tmp~11#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~2#1;havoc anyStopRequested_~tmp___2~2#1;havoc anyStopRequested_~tmp___3~1#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 1785#L805-21true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 783#L832-21true anyStopRequested_#t~ret26#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~1#1 := anyStopRequested_#t~ret26#1;havoc anyStopRequested_#t~ret26#1; 1735#L1760true assume 0 != anyStopRequested_~tmp___3~1#1;anyStopRequested_~retValue_acc~16#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; 2028#L1824true isIdle_#t~ret31#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~12#1 := isIdle_#t~ret31#1;havoc isIdle_#t~ret31#1;isIdle_~retValue_acc~17#1 := (if 0 == isIdle_~tmp~12#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~17#1; 588#L1837true cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 804#L218true assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 1093#L805-26true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 1076#L832-26true stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 701#L2265-1true assume 0 != stopRequestedAtCurrentFloor_~tmp___0~5#1;stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 1;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 1576#L2277-1true timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 2252#L2413-2true assume !(0 != timeShift_~tmp___9~2#1); 1942#L2504-3true assume 1 == ~doorState~0;~doorState~0 := 0; 1951#L2504-5true 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 2092#L1856-2true assume !(1 == stopRequestedInDirection_~dir#1); 2127#L2025-2true assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 1214#L2178-2true timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 1681#L2512-2true assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 2238#L2232-3true assume !(1 == ~currentHeading~0); 2347#L2242-9true assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 1284#L2242-11true assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 76#L2248-7true assume { :end_inline_continueInDirection } true; 1256#L2521-5true assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 750#L1652-1true __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 1825#L595-1true assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 857#L596-1true assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 668#L1661-5true __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 115#L600-2true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 801#L655-1true assume { :end_inline___utac_acc__Specification2_spec__3 } true; 328#L2536-1true assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 2337#L198-2true [2021-12-14 23:30:36,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:36,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1870806649, now seen corresponding path program 1 times [2021-12-14 23:30:36,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:36,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180356329] [2021-12-14 23:30:36,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:36,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:36,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:36,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:36,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180356329] [2021-12-14 23:30:36,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180356329] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:36,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:36,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:30:36,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368629372] [2021-12-14 23:30:36,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:36,337 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:30:36,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:36,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1058429863, now seen corresponding path program 1 times [2021-12-14 23:30:36,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:36,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825615553] [2021-12-14 23:30:36,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:36,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:36,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:36,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:36,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825615553] [2021-12-14 23:30:36,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825615553] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:36,409 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:36,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 23:30:36,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138637517] [2021-12-14 23:30:36,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:36,410 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:30:36,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:30:36,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 23:30:36,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 23:30:36,464 INFO L87 Difference]: Start difference. First operand has 2387 states, 2386 states have (on average 1.8725901089689858) internal successors, (4468), 2386 states have internal predecessors, (4468), 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) Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 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) [2021-12-14 23:30:36,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:30:36,716 INFO L93 Difference]: Finished difference Result 4306 states and 7959 transitions. [2021-12-14 23:30:36,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-14 23:30:36,720 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4306 states and 7959 transitions. [2021-12-14 23:30:36,743 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2137 [2021-12-14 23:30:36,766 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4306 states to 4198 states and 7847 transitions. [2021-12-14 23:30:36,767 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4198 [2021-12-14 23:30:36,815 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4198 [2021-12-14 23:30:36,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4198 states and 7847 transitions. [2021-12-14 23:30:36,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:30:36,823 INFO L681 BuchiCegarLoop]: Abstraction has 4198 states and 7847 transitions. [2021-12-14 23:30:36,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4198 states and 7847 transitions. [2021-12-14 23:30:36,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4198 to 2368. [2021-12-14 23:30:36,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2368 states, 2368 states have (on average 1.8745777027027026) internal successors, (4439), 2367 states have internal predecessors, (4439), 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) [2021-12-14 23:30:36,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 2368 states and 4439 transitions. [2021-12-14 23:30:36,881 INFO L704 BuchiCegarLoop]: Abstraction has 2368 states and 4439 transitions. [2021-12-14 23:30:36,881 INFO L587 BuchiCegarLoop]: Abstraction has 2368 states and 4439 transitions. [2021-12-14 23:30:36,881 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-14 23:30:36,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2368 states and 4439 transitions. [2021-12-14 23:30:36,890 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1179 [2021-12-14 23:30:36,890 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:30:36,890 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:30:36,892 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] [2021-12-14 23:30:36,892 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-14 23:30:36,893 INFO L791 eck$LassoCheckResult]: Stem: 7824#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);~cleanupTimeShifts~0 := 12;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 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;~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;~head~0.base, ~head~0.offset := 0, 0; 7825#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~1#1, main_~tmp~8#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 7779#L1406 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 7534#L1399 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 7535#L1414 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 8777#L399 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 8955#L368 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 8956#L550 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~3#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~3#1; 8688#L458 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 7792#L483 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 7793#L1076 assume 0 == initPersonOnFloor_~floor#1; 8121#L1077 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 7066#L1184-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 7067#L868 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 7233#L880-2 assume { :end_inline_callOnFloor } true; 7049#L1220 assume { :end_inline_initPersonOnFloor } true; 7050#L168 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 7615#L805 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 6860#L832 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 8812#L2265 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 8360#L1669 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 6792#L1690 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 6793#L2272 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 7888#L2277 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 9090#L2413 assume !(0 != timeShift_~tmp___9~2#1); 9011#L2504 assume !(1 == ~doorState~0); 9012#L2504-2 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 7631#L1856 assume !(1 == stopRequestedInDirection_~dir#1); 7632#L2025 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 6889#L2178 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 8575#L2512 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 9058#L2232 assume !(1 == ~currentHeading~0); 8425#L2242 assume !(0 == ~currentFloorID~0); 8089#L2242-2 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 8090#L2248-1 assume { :end_inline_continueInDirection } true; 8578#L2521-2 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 8735#L1652 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 7354#L595 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 7355#L596 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 9086#L1661 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 6989#L600 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 6990#L655 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 7907#L2536 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 7426#L198-2 [2021-12-14 23:30:36,893 INFO L793 eck$LassoCheckResult]: Loop: 7426#L198-2 assume !false; 9036#L199 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 7763#L202 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~10#1;havoc isBlocked_~retValue_acc~10#1;isBlocked_~retValue_acc~10#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~10#1; 7140#L1499 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 7141#L206 assume 1 != cleanup_~tmp___0~0#1; 7906#L206-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret31#1, isIdle_~retValue_acc~17#1, isIdle_~tmp~12#1;havoc isIdle_~retValue_acc~17#1;havoc isIdle_~tmp~12#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret26#1, anyStopRequested_#t~ret27#1, anyStopRequested_#t~ret28#1, anyStopRequested_#t~ret29#1, anyStopRequested_#t~ret30#1, anyStopRequested_~retValue_acc~16#1, anyStopRequested_~tmp~11#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~2#1, anyStopRequested_~tmp___2~2#1, anyStopRequested_~tmp___3~1#1;havoc anyStopRequested_~retValue_acc~16#1;havoc anyStopRequested_~tmp~11#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~2#1;havoc anyStopRequested_~tmp___2~2#1;havoc anyStopRequested_~tmp___3~1#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 8960#L805-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 7195#L832-21 anyStopRequested_#t~ret26#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~1#1 := anyStopRequested_#t~ret26#1;havoc anyStopRequested_#t~ret26#1; 8119#L1760 assume 0 != anyStopRequested_~tmp___3~1#1;anyStopRequested_~retValue_acc~16#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; 6970#L1824 isIdle_#t~ret31#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~12#1 := isIdle_#t~ret31#1;havoc isIdle_#t~ret31#1;isIdle_~retValue_acc~17#1 := (if 0 == isIdle_~tmp~12#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~17#1; 7847#L1837 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 7848#L218 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 8140#L805-26 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 8459#L832-26 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 8012#L2265-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 8014#L1669-1 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 7549#L1690-1 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 8508#L2272-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 8509#L2277-1 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 9091#L2413-2 assume !(0 != timeShift_~tmp___9~2#1); 9023#L2504-3 assume 1 == ~doorState~0;~doorState~0 := 0; 9024#L2504-5 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 9026#L1856-2 assume !(1 == stopRequestedInDirection_~dir#1); 9060#L2025-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 6937#L2178-2 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 8590#L2512-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 8913#L2232-3 assume !(1 == ~currentHeading~0); 9080#L2242-9 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 8642#L2242-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 6910#L2248-7 assume { :end_inline_continueInDirection } true; 6777#L2521-5 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 8081#L1652-1 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 8082#L595-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 8204#L596-1 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 7971#L1661-5 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 7002#L600-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 6872#L655-1 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 7425#L2536-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 7426#L198-2 [2021-12-14 23:30:36,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:36,894 INFO L85 PathProgramCache]: Analyzing trace with hash 236095066, now seen corresponding path program 1 times [2021-12-14 23:30:36,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:36,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859271323] [2021-12-14 23:30:36,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:36,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:36,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:36,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:36,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859271323] [2021-12-14 23:30:36,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859271323] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:36,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:36,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:30:36,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332675676] [2021-12-14 23:30:36,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:36,936 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:30:36,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:36,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1763980808, now seen corresponding path program 1 times [2021-12-14 23:30:36,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:36,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347806832] [2021-12-14 23:30:36,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:36,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:36,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:36,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:36,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347806832] [2021-12-14 23:30:36,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347806832] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:36,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:36,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 23:30:36,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290203702] [2021-12-14 23:30:36,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:36,972 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:30:36,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:30:36,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 23:30:36,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-14 23:30:36,972 INFO L87 Difference]: Start difference. First operand 2368 states and 4439 transitions. cyclomatic complexity: 2072 Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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) [2021-12-14 23:30:38,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:30:38,476 INFO L93 Difference]: Finished difference Result 22211 states and 41537 transitions. [2021-12-14 23:30:38,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-14 23:30:38,477 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22211 states and 41537 transitions. [2021-12-14 23:30:38,596 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14714 [2021-12-14 23:30:38,689 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22211 states to 22211 states and 41537 transitions. [2021-12-14 23:30:38,690 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22211 [2021-12-14 23:30:38,711 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22211 [2021-12-14 23:30:38,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22211 states and 41537 transitions. [2021-12-14 23:30:38,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:30:38,734 INFO L681 BuchiCegarLoop]: Abstraction has 22211 states and 41537 transitions. [2021-12-14 23:30:38,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22211 states and 41537 transitions. [2021-12-14 23:30:38,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22211 to 4688. [2021-12-14 23:30:38,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4688 states, 4688 states have (on average 1.8739334470989761) internal successors, (8785), 4687 states have internal predecessors, (8785), 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) [2021-12-14 23:30:38,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4688 states to 4688 states and 8785 transitions. [2021-12-14 23:30:38,951 INFO L704 BuchiCegarLoop]: Abstraction has 4688 states and 8785 transitions. [2021-12-14 23:30:38,952 INFO L587 BuchiCegarLoop]: Abstraction has 4688 states and 8785 transitions. [2021-12-14 23:30:38,952 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-14 23:30:38,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4688 states and 8785 transitions. [2021-12-14 23:30:38,966 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2364 [2021-12-14 23:30:38,966 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:30:38,966 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:30:38,968 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] [2021-12-14 23:30:38,968 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-14 23:30:38,968 INFO L791 eck$LassoCheckResult]: Stem: 32467#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);~cleanupTimeShifts~0 := 12;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 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;~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;~head~0.base, ~head~0.offset := 0, 0; 32468#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~1#1, main_~tmp~8#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 32418#L1406 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 32164#L1399 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 32165#L1414 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 33480#L399 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 33693#L368 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 33694#L550 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~3#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~3#1; 33382#L458 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 32431#L483 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 32432#L1076 assume 0 == initPersonOnFloor_~floor#1; 32777#L1077 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 31692#L1184-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 31693#L868 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 33834#L880-2 assume { :end_inline_callOnFloor } true; 31675#L1220 assume { :end_inline_initPersonOnFloor } true; 31676#L168 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 33587#L805 assume !(0 == isFloorCalling_~floorID#1); 33589#L809 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 34062#L832 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 34061#L2265 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 34059#L1669 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 34055#L1690 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 34054#L2272 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 34053#L2277 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 34051#L2413 assume !(0 != timeShift_~tmp___9~2#1); 34050#L2504 assume !(1 == ~doorState~0); 34049#L2504-2 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 34047#L1856 assume !(1 == stopRequestedInDirection_~dir#1); 33627#L2025 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 31515#L2178 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 33824#L2512 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 33826#L2232 assume !(1 == ~currentHeading~0); 33892#L2242 assume !(0 == ~currentFloorID~0); 32744#L2242-2 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 32745#L2248-1 assume { :end_inline_continueInDirection } true; 33971#L2521-2 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 33970#L1652 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 33969#L595 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 33968#L596 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 33965#L1661 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 33958#L600 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 33949#L655 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 33948#L2536 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 33946#L198-2 [2021-12-14 23:30:38,969 INFO L793 eck$LassoCheckResult]: Loop: 33946#L198-2 assume !false; 33945#L199 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 33944#L202 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~10#1;havoc isBlocked_~retValue_acc~10#1;isBlocked_~retValue_acc~10#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~10#1; 33943#L1499 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 33942#L206 assume 1 != cleanup_~tmp___0~0#1; 33901#L206-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret31#1, isIdle_~retValue_acc~17#1, isIdle_~tmp~12#1;havoc isIdle_~retValue_acc~17#1;havoc isIdle_~tmp~12#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret26#1, anyStopRequested_#t~ret27#1, anyStopRequested_#t~ret28#1, anyStopRequested_#t~ret29#1, anyStopRequested_#t~ret30#1, anyStopRequested_~retValue_acc~16#1, anyStopRequested_~tmp~11#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~2#1, anyStopRequested_~tmp___2~2#1, anyStopRequested_~tmp___3~1#1;havoc anyStopRequested_~retValue_acc~16#1;havoc anyStopRequested_~tmp~11#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~2#1;havoc anyStopRequested_~tmp___2~2#1;havoc anyStopRequested_~tmp___3~1#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 33702#L805-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 32774#L832-21 anyStopRequested_#t~ret26#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~1#1 := anyStopRequested_#t~ret26#1;havoc anyStopRequested_#t~ret26#1; 32775#L1760 assume 0 != anyStopRequested_~tmp___3~1#1;anyStopRequested_~retValue_acc~16#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; 33670#L1824 isIdle_#t~ret31#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~12#1 := isIdle_#t~ret31#1;havoc isIdle_#t~ret31#1;isIdle_~retValue_acc~17#1 := (if 0 == isIdle_~tmp~12#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~17#1; 33903#L1837 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 33902#L218 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 33155#L805-26 assume !(0 == isFloorCalling_~floorID#1); 33156#L809-26 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 35092#L832-26 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 35091#L2265-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 35089#L1669-1 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 35085#L1690-1 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 35084#L2272-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 35083#L2277-1 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 35081#L2413-2 assume !(0 != timeShift_~tmp___9~2#1); 35080#L2504-3 assume 1 == ~doorState~0;~doorState~0 := 0; 35079#L2504-5 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 35077#L1856-2 assume !(1 == stopRequestedInDirection_~dir#1); 35054#L2025-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 35048#L2178-2 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 33645#L2512-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 33647#L2232-3 assume !(1 == ~currentHeading~0); 33860#L2242-9 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 33329#L2242-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 33330#L2248-7 assume { :end_inline_continueInDirection } true; 35016#L2521-5 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 35015#L1652-1 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 35014#L595-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 35013#L596-1 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 35010#L1661-5 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 35003#L600-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 34994#L655-1 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 33947#L2536-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 33946#L198-2 [2021-12-14 23:30:38,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:38,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1284691731, now seen corresponding path program 1 times [2021-12-14 23:30:38,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:38,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092932618] [2021-12-14 23:30:38,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:38,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:38,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:38,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:38,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092932618] [2021-12-14 23:30:38,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092932618] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:38,999 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:38,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:30:39,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146720431] [2021-12-14 23:30:39,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:39,000 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:30:39,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:39,001 INFO L85 PathProgramCache]: Analyzing trace with hash 172725313, now seen corresponding path program 1 times [2021-12-14 23:30:39,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:39,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012681031] [2021-12-14 23:30:39,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:39,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:39,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:39,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:39,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012681031] [2021-12-14 23:30:39,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012681031] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:39,034 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:39,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 23:30:39,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441437623] [2021-12-14 23:30:39,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:39,035 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:30:39,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:30:39,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 23:30:39,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-14 23:30:39,036 INFO L87 Difference]: Start difference. First operand 4688 states and 8785 transitions. cyclomatic complexity: 4098 Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 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) [2021-12-14 23:30:41,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:30:41,395 INFO L93 Difference]: Finished difference Result 16542 states and 30910 transitions. [2021-12-14 23:30:41,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-14 23:30:41,396 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16542 states and 30910 transitions. [2021-12-14 23:30:41,460 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8863 [2021-12-14 23:30:41,545 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16542 states to 16542 states and 30910 transitions. [2021-12-14 23:30:41,545 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16542 [2021-12-14 23:30:41,558 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16542 [2021-12-14 23:30:41,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16542 states and 30910 transitions. [2021-12-14 23:30:41,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:30:41,572 INFO L681 BuchiCegarLoop]: Abstraction has 16542 states and 30910 transitions. [2021-12-14 23:30:41,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16542 states and 30910 transitions. [2021-12-14 23:30:41,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16542 to 8414. [2021-12-14 23:30:41,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8414 states, 8414 states have (on average 1.8716425005942476) internal successors, (15748), 8413 states have internal predecessors, (15748), 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) [2021-12-14 23:30:41,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8414 states to 8414 states and 15748 transitions. [2021-12-14 23:30:41,705 INFO L704 BuchiCegarLoop]: Abstraction has 8414 states and 15748 transitions. [2021-12-14 23:30:41,705 INFO L587 BuchiCegarLoop]: Abstraction has 8414 states and 15748 transitions. [2021-12-14 23:30:41,705 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-14 23:30:41,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8414 states and 15748 transitions. [2021-12-14 23:30:41,723 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4279 [2021-12-14 23:30:41,723 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:30:41,723 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:30:41,725 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] [2021-12-14 23:30:41,725 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-14 23:30:41,726 INFO L791 eck$LassoCheckResult]: Stem: 53766#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);~cleanupTimeShifts~0 := 12;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 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;~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;~head~0.base, ~head~0.offset := 0, 0; 53767#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~1#1, main_~tmp~8#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 53716#L1406 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 53459#L1399 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 53460#L1414 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 54782#L399 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 54983#L368 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 54984#L550 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~3#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~3#1; 54686#L458 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 53730#L483 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 53731#L1076 assume 0 == initPersonOnFloor_~floor#1; 54081#L1077 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 52980#L1184-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 52981#L868 assume !(0 == callOnFloor_~floorID#1); 55125#L871 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 53149#L880-2 assume { :end_inline_callOnFloor } true; 55112#L1220 assume { :end_inline_initPersonOnFloor } true; 53546#L168 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 53547#L805 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 55188#L832 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 55243#L2265 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 55242#L1669 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 52705#L1690 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 52706#L2272 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 53836#L2277 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 55244#L2413 assume !(0 != timeShift_~tmp___9~2#1); 55046#L2504 assume !(1 == ~doorState~0); 55047#L2504-2 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 53564#L1856 assume !(1 == stopRequestedInDirection_~dir#1); 53565#L2025 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 54563#L2178 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 54564#L2512 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 55178#L2232 assume !(1 == ~currentHeading~0); 55179#L2242 assume !(0 == ~currentFloorID~0); 54048#L2242-2 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 54049#L2248-1 assume { :end_inline_continueInDirection } true; 54806#L2521-2 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 54942#L1652 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 53272#L595 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 53273#L596 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 55156#L1661 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 52903#L600 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 52904#L655 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 53855#L2536 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 53347#L198-2 [2021-12-14 23:30:41,726 INFO L793 eck$LassoCheckResult]: Loop: 53347#L198-2 assume !false; 55079#L199 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 53699#L202 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~10#1;havoc isBlocked_~retValue_acc~10#1;isBlocked_~retValue_acc~10#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~10#1; 53700#L1499 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 55241#L206 assume 1 != cleanup_~tmp___0~0#1; 55240#L206-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret31#1, isIdle_~retValue_acc~17#1, isIdle_~tmp~12#1;havoc isIdle_~retValue_acc~17#1;havoc isIdle_~tmp~12#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret26#1, anyStopRequested_#t~ret27#1, anyStopRequested_#t~ret28#1, anyStopRequested_#t~ret29#1, anyStopRequested_#t~ret30#1, anyStopRequested_~retValue_acc~16#1, anyStopRequested_~tmp~11#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~2#1, anyStopRequested_~tmp___2~2#1, anyStopRequested_~tmp___3~1#1;havoc anyStopRequested_~retValue_acc~16#1;havoc anyStopRequested_~tmp~11#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~2#1;havoc anyStopRequested_~tmp___2~2#1;havoc anyStopRequested_~tmp___3~1#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 55235#L805-21 assume !(0 == isFloorCalling_~floorID#1); 55225#L809-21 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 55212#L832-21 anyStopRequested_#t~ret26#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~1#1 := anyStopRequested_#t~ret26#1;havoc anyStopRequested_#t~ret26#1; 55201#L1760 assume 0 != anyStopRequested_~tmp___3~1#1;anyStopRequested_~retValue_acc~16#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; 55196#L1824 isIdle_#t~ret31#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~12#1 := isIdle_#t~ret31#1;havoc isIdle_#t~ret31#1;isIdle_~retValue_acc~17#1 := (if 0 == isIdle_~tmp~12#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~17#1; 55195#L1837 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 55194#L218 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 55193#L805-26 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 55192#L832-26 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 55191#L2265-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 55190#L1669-1 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 53475#L1690-1 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 54489#L2272-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 54491#L2277-1 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 55245#L2413-2 assume !(0 != timeShift_~tmp___9~2#1); 55063#L2504-3 assume 1 == ~doorState~0;~doorState~0 := 0; 55064#L2504-5 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 55066#L1856-2 assume !(1 == stopRequestedInDirection_~dir#1); 55117#L2025-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 52851#L2178-2 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 54579#L2512-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 60896#L2232-3 assume !(1 == ~currentHeading~0); 60895#L2242-9 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 54636#L2242-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 52823#L2248-7 assume { :end_inline_continueInDirection } true; 52690#L2521-5 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 54037#L1652-1 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 54038#L595-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 54173#L596-1 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 53921#L1661-5 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 52916#L600-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 52785#L655-1 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 53346#L2536-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 53347#L198-2 [2021-12-14 23:30:41,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:41,727 INFO L85 PathProgramCache]: Analyzing trace with hash 215036937, now seen corresponding path program 1 times [2021-12-14 23:30:41,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:41,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019226662] [2021-12-14 23:30:41,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:41,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:41,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:41,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:41,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019226662] [2021-12-14 23:30:41,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019226662] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:41,766 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:41,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:30:41,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231837654] [2021-12-14 23:30:41,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:41,766 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:30:41,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:41,767 INFO L85 PathProgramCache]: Analyzing trace with hash 322819123, now seen corresponding path program 1 times [2021-12-14 23:30:41,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:41,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471732158] [2021-12-14 23:30:41,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:41,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:41,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:41,778 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:41,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471732158] [2021-12-14 23:30:41,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471732158] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:41,779 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:41,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:30:41,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325767562] [2021-12-14 23:30:41,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:41,779 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:30:41,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:30:41,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 23:30:41,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 23:30:41,780 INFO L87 Difference]: Start difference. First operand 8414 states and 15748 transitions. cyclomatic complexity: 7335 Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2021-12-14 23:30:42,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:30:42,112 INFO L93 Difference]: Finished difference Result 9184 states and 17068 transitions. [2021-12-14 23:30:42,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 23:30:42,113 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9184 states and 17068 transitions. [2021-12-14 23:30:42,146 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4640 [2021-12-14 23:30:42,173 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9184 states to 9184 states and 17068 transitions. [2021-12-14 23:30:42,173 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9184 [2021-12-14 23:30:42,232 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9184 [2021-12-14 23:30:42,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9184 states and 17068 transitions. [2021-12-14 23:30:42,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:30:42,237 INFO L681 BuchiCegarLoop]: Abstraction has 9184 states and 17068 transitions. [2021-12-14 23:30:42,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9184 states and 17068 transitions. [2021-12-14 23:30:42,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9184 to 8260. [2021-12-14 23:30:42,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8260 states, 8260 states have (on average 1.8682808716707022) internal successors, (15432), 8259 states have internal predecessors, (15432), 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) [2021-12-14 23:30:42,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8260 states to 8260 states and 15432 transitions. [2021-12-14 23:30:42,326 INFO L704 BuchiCegarLoop]: Abstraction has 8260 states and 15432 transitions. [2021-12-14 23:30:42,326 INFO L587 BuchiCegarLoop]: Abstraction has 8260 states and 15432 transitions. [2021-12-14 23:30:42,326 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-14 23:30:42,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8260 states and 15432 transitions. [2021-12-14 23:30:42,348 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4157 [2021-12-14 23:30:42,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:30:42,348 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:30:42,350 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] [2021-12-14 23:30:42,350 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-14 23:30:42,350 INFO L791 eck$LassoCheckResult]: Stem: 71331#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);~cleanupTimeShifts~0 := 12;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 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;~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;~head~0.base, ~head~0.offset := 0, 0; 71332#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~1#1, main_~tmp~8#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 71285#L1406 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 71049#L1399 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 71050#L1414 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 72304#L399 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 72493#L368 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 72494#L550 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~3#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~3#1; 72211#L458 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 71299#L483 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 71300#L1076 assume 0 == initPersonOnFloor_~floor#1; 71636#L1077 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 70583#L1184-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 70584#L868 assume !(0 == callOnFloor_~floorID#1); 72616#L871 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 70748#L880-2 assume { :end_inline_callOnFloor } true; 70566#L1220 assume { :end_inline_initPersonOnFloor } true; 70567#L168 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 71130#L805 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 72400#L832 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 77894#L2265 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 77888#L1669 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 77883#L1690 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 77881#L2272 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 77880#L2277 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 77877#L2413 assume !(0 != timeShift_~tmp___9~2#1); 77876#L2504 assume !(1 == ~doorState~0); 77874#L2504-2 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 77873#L1856 assume !(1 == stopRequestedInDirection_~dir#1); 77853#L2025 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 77840#L2178 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 77838#L2512 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 77839#L2232 assume !(1 == ~currentHeading~0); 78500#L2242 assume !(0 == ~currentFloorID~0); 71836#L2242-2 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 72758#L2248-1 assume { :end_inline_continueInDirection } true; 72755#L2521-2 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 72753#L1652 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 72751#L595 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 72746#L596 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 72740#L1661 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 72721#L600 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 72711#L655 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 72709#L2536 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 72708#L198-2 [2021-12-14 23:30:42,351 INFO L793 eck$LassoCheckResult]: Loop: 72708#L198-2 assume !false; 72703#L199 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 72698#L202 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~10#1;havoc isBlocked_~retValue_acc~10#1;isBlocked_~retValue_acc~10#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~10#1; 72693#L1499 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 72688#L206 assume 1 != cleanup_~tmp___0~0#1; 72683#L206-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret31#1, isIdle_~retValue_acc~17#1, isIdle_~tmp~12#1;havoc isIdle_~retValue_acc~17#1;havoc isIdle_~tmp~12#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret26#1, anyStopRequested_#t~ret27#1, anyStopRequested_#t~ret28#1, anyStopRequested_#t~ret29#1, anyStopRequested_#t~ret30#1, anyStopRequested_~retValue_acc~16#1, anyStopRequested_~tmp~11#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~2#1, anyStopRequested_~tmp___2~2#1, anyStopRequested_~tmp___3~1#1;havoc anyStopRequested_~retValue_acc~16#1;havoc anyStopRequested_~tmp~11#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~2#1;havoc anyStopRequested_~tmp___2~2#1;havoc anyStopRequested_~tmp___3~1#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 72660#L805-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 72661#L832-21 anyStopRequested_#t~ret26#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~1#1 := anyStopRequested_#t~ret26#1;havoc anyStopRequested_#t~ret26#1; 72655#L1760 assume !(0 != anyStopRequested_~tmp___3~1#1); 72657#L1764 assume 0 != ~floorButtons_0~0;anyStopRequested_~retValue_acc~16#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; 72670#L1824 isIdle_#t~ret31#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~12#1 := isIdle_#t~ret31#1;havoc isIdle_#t~ret31#1;isIdle_~retValue_acc~17#1 := (if 0 == isIdle_~tmp~12#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~17#1; 72669#L1837 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 72668#L218 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 72667#L805-26 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 72666#L832-26 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 72665#L2265-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 72664#L1669-1 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 71064#L1690-1 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 72022#L2272-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 72024#L2277-1 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 78485#L2413-2 assume !(0 != timeShift_~tmp___9~2#1); 72564#L2504-3 assume 1 == ~doorState~0;~doorState~0 := 0; 72565#L2504-5 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 72567#L1856-2 assume !(1 == stopRequestedInDirection_~dir#1); 72609#L2025-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 70451#L2178-2 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 72106#L2512-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 72453#L2232-3 assume !(1 == ~currentHeading~0); 78251#L2242-9 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 78221#L2242-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 72775#L2248-7 assume { :end_inline_continueInDirection } true; 72756#L2521-5 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 72754#L1652-1 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 72752#L595-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 72749#L596-1 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 72745#L1661-5 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 72732#L600-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 72712#L655-1 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 72710#L2536-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 72708#L198-2 [2021-12-14 23:30:42,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:42,351 INFO L85 PathProgramCache]: Analyzing trace with hash 215036937, now seen corresponding path program 2 times [2021-12-14 23:30:42,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:42,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414383629] [2021-12-14 23:30:42,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:42,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:42,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:42,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:42,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414383629] [2021-12-14 23:30:42,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414383629] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:42,373 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:42,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:30:42,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145598334] [2021-12-14 23:30:42,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:42,374 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:30:42,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:42,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1626448610, now seen corresponding path program 1 times [2021-12-14 23:30:42,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:42,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245074460] [2021-12-14 23:30:42,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:42,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:42,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:42,395 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:42,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245074460] [2021-12-14 23:30:42,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245074460] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:42,395 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:42,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 23:30:42,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739879899] [2021-12-14 23:30:42,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:42,396 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:30:42,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:30:42,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 23:30:42,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 23:30:42,397 INFO L87 Difference]: Start difference. First operand 8260 states and 15432 transitions. cyclomatic complexity: 7173 Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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) [2021-12-14 23:30:42,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:30:42,778 INFO L93 Difference]: Finished difference Result 33051 states and 61824 transitions. [2021-12-14 23:30:42,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 23:30:42,779 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33051 states and 61824 transitions. [2021-12-14 23:30:42,914 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 22048 [2021-12-14 23:30:43,021 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33051 states to 33051 states and 61824 transitions. [2021-12-14 23:30:43,021 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33051 [2021-12-14 23:30:43,050 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33051 [2021-12-14 23:30:43,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33051 states and 61824 transitions. [2021-12-14 23:30:43,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:30:43,081 INFO L681 BuchiCegarLoop]: Abstraction has 33051 states and 61824 transitions. [2021-12-14 23:30:43,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33051 states and 61824 transitions. [2021-12-14 23:30:43,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33051 to 14983. [2021-12-14 23:30:43,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14983 states, 14983 states have (on average 1.8682506841086566) internal successors, (27992), 14982 states have internal predecessors, (27992), 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) [2021-12-14 23:30:43,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14983 states to 14983 states and 27992 transitions. [2021-12-14 23:30:43,352 INFO L704 BuchiCegarLoop]: Abstraction has 14983 states and 27992 transitions. [2021-12-14 23:30:43,352 INFO L587 BuchiCegarLoop]: Abstraction has 14983 states and 27992 transitions. [2021-12-14 23:30:43,352 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-14 23:30:43,352 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14983 states and 27992 transitions. [2021-12-14 23:30:43,396 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8252 [2021-12-14 23:30:43,396 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:30:43,396 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:30:43,399 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] [2021-12-14 23:30:43,399 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-14 23:30:43,400 INFO L791 eck$LassoCheckResult]: Stem: 112680#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);~cleanupTimeShifts~0 := 12;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 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;~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;~head~0.base, ~head~0.offset := 0, 0; 112681#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~1#1, main_~tmp~8#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 112631#L1406 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 112386#L1399 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 112387#L1414 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 113731#L399 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 113961#L368 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 113962#L550 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~3#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~3#1; 113621#L458 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 112644#L483 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 112645#L1076 assume 0 == initPersonOnFloor_~floor#1; 112997#L1077 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 111916#L1184-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 111917#L868 assume !(0 == callOnFloor_~floorID#1); 114136#L871 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 112085#L880-2 assume { :end_inline_callOnFloor } true; 114118#L1220 assume { :end_inline_initPersonOnFloor } true; 112469#L168 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 112470#L805 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 114231#L832 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 114230#L2265 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 114227#L1669 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 114228#L1690 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 114375#L2272 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 114373#L2277 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 114371#L2413 assume !(0 != timeShift_~tmp___9~2#1); 114369#L2504 assume !(1 == ~doorState~0); 114363#L2504-2 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 114349#L1856 assume !(1 == stopRequestedInDirection_~dir#1); 114321#L2025 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 114308#L2178 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 114286#L2512 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 114287#L2232 assume !(1 == ~currentHeading~0); 114667#L2242 assume !(0 == ~currentFloorID~0); 114668#L2242-2 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 121004#L2248-1 assume { :end_inline_continueInDirection } true; 121002#L2521-2 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 121001#L1652 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 121000#L595 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 120999#L596 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 120996#L1661 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 120989#L600 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 120980#L655 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 120979#L2536 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 120976#L198-2 [2021-12-14 23:30:43,400 INFO L793 eck$LassoCheckResult]: Loop: 120976#L198-2 assume !false; 120974#L199 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 120972#L202 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~10#1;havoc isBlocked_~retValue_acc~10#1;isBlocked_~retValue_acc~10#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~10#1; 120970#L1499 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 120958#L206 assume 1 != cleanup_~tmp___0~0#1; 120916#L206-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret31#1, isIdle_~retValue_acc~17#1, isIdle_~tmp~12#1;havoc isIdle_~retValue_acc~17#1;havoc isIdle_~tmp~12#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret26#1, anyStopRequested_#t~ret27#1, anyStopRequested_#t~ret28#1, anyStopRequested_#t~ret29#1, anyStopRequested_#t~ret30#1, anyStopRequested_~retValue_acc~16#1, anyStopRequested_~tmp~11#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~2#1, anyStopRequested_~tmp___2~2#1, anyStopRequested_~tmp___3~1#1;havoc anyStopRequested_~retValue_acc~16#1;havoc anyStopRequested_~tmp~11#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~2#1;havoc anyStopRequested_~tmp___2~2#1;havoc anyStopRequested_~tmp___3~1#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 120743#L805-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 114573#L832-21 anyStopRequested_#t~ret26#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~1#1 := anyStopRequested_#t~ret26#1;havoc anyStopRequested_#t~ret26#1; 114572#L1760 assume !(0 != anyStopRequested_~tmp___3~1#1); 114567#L1764 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 114566#L805-22 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 114552#L832-22 anyStopRequested_#t~ret27#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~2#1 := anyStopRequested_#t~ret27#1;havoc anyStopRequested_#t~ret27#1; 114546#L1771 assume 0 != anyStopRequested_~tmp___2~2#1;anyStopRequested_~retValue_acc~16#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; 114537#L1824 isIdle_#t~ret31#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~12#1 := isIdle_#t~ret31#1;havoc isIdle_#t~ret31#1;isIdle_~retValue_acc~17#1 := (if 0 == isIdle_~tmp~12#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~17#1; 114535#L1837 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 114508#L218 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 114506#L805-26 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 114502#L832-26 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 114499#L2265-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 114497#L1669-1 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 114494#L1690-1 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 114485#L2272-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 114486#L2277-1 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 114474#L2413-2 assume !(0 != timeShift_~tmp___9~2#1); 114475#L2504-3 assume 1 == ~doorState~0;~doorState~0 := 0; 114470#L2504-5 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 114471#L1856-2 assume !(1 == stopRequestedInDirection_~dir#1); 114420#L2025-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 114405#L2178-2 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 114406#L2512-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 117259#L2232-3 assume !(1 == ~currentHeading~0); 114399#L2242-9 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 113757#L2242-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 111759#L2248-7 assume { :end_inline_continueInDirection } true; 111626#L2521-5 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 112953#L1652-1 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 112954#L595-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 113089#L596-1 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 112839#L1661-5 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 111852#L600-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 111721#L655-1 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 120978#L2536-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 120976#L198-2 [2021-12-14 23:30:43,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:43,401 INFO L85 PathProgramCache]: Analyzing trace with hash 215036937, now seen corresponding path program 3 times [2021-12-14 23:30:43,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:43,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291881675] [2021-12-14 23:30:43,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:43,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:43,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:43,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:43,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291881675] [2021-12-14 23:30:43,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291881675] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:43,500 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:43,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:30:43,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260048697] [2021-12-14 23:30:43,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:43,500 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:30:43,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:43,500 INFO L85 PathProgramCache]: Analyzing trace with hash -2001494560, now seen corresponding path program 1 times [2021-12-14 23:30:43,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:43,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419780582] [2021-12-14 23:30:43,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:43,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:43,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:43,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:43,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419780582] [2021-12-14 23:30:43,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419780582] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:43,529 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:43,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 23:30:43,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807094] [2021-12-14 23:30:43,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:43,530 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:30:43,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:30:43,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 23:30:43,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 23:30:43,531 INFO L87 Difference]: Start difference. First operand 14983 states and 27992 transitions. cyclomatic complexity: 13010 Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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) [2021-12-14 23:30:44,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:30:44,006 INFO L93 Difference]: Finished difference Result 16346 states and 30283 transitions. [2021-12-14 23:30:44,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 23:30:44,007 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16346 states and 30283 transitions. [2021-12-14 23:30:44,063 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8998 [2021-12-14 23:30:44,105 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16346 states to 16346 states and 30283 transitions. [2021-12-14 23:30:44,106 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16346 [2021-12-14 23:30:44,116 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16346 [2021-12-14 23:30:44,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16346 states and 30283 transitions. [2021-12-14 23:30:44,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:30:44,131 INFO L681 BuchiCegarLoop]: Abstraction has 16346 states and 30283 transitions. [2021-12-14 23:30:44,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16346 states and 30283 transitions. [2021-12-14 23:30:44,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16346 to 14983. [2021-12-14 23:30:44,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14983 states, 14983 states have (on average 1.8586397917639992) internal successors, (27848), 14982 states have internal predecessors, (27848), 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) [2021-12-14 23:30:44,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14983 states to 14983 states and 27848 transitions. [2021-12-14 23:30:44,306 INFO L704 BuchiCegarLoop]: Abstraction has 14983 states and 27848 transitions. [2021-12-14 23:30:44,306 INFO L587 BuchiCegarLoop]: Abstraction has 14983 states and 27848 transitions. [2021-12-14 23:30:44,306 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-14 23:30:44,306 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14983 states and 27848 transitions. [2021-12-14 23:30:44,340 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8252 [2021-12-14 23:30:44,340 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:30:44,340 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:30:44,343 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] [2021-12-14 23:30:44,343 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-14 23:30:44,343 INFO L791 eck$LassoCheckResult]: Stem: 144033#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);~cleanupTimeShifts~0 := 12;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 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;~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;~head~0.base, ~head~0.offset := 0, 0; 144034#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~1#1, main_~tmp~8#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 143985#L1406 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 143730#L1399 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 143731#L1414 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 145113#L399 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 145325#L368 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 145326#L550 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~3#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~3#1; 145004#L458 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 143999#L483 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 144000#L1076 assume 0 == initPersonOnFloor_~floor#1; 144362#L1077 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 143262#L1184-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 143263#L868 assume !(0 == callOnFloor_~floorID#1); 145524#L871 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 143428#L880-2 assume { :end_inline_callOnFloor } true; 145501#L1220 assume { :end_inline_initPersonOnFloor } true; 143813#L168 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 143814#L805 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 145634#L832 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 145632#L2265 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 145629#L1669 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 145630#L1690 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 153219#L2272 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 153218#L2277 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 153211#L2413 assume !(0 != timeShift_~tmp___9~2#1); 145410#L2504 assume !(1 == ~doorState~0); 145411#L2504-2 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 143832#L1856 assume !(1 == stopRequestedInDirection_~dir#1); 143833#L2025 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 157533#L2178 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 157073#L2512 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 157074#L2232 assume !(1 == ~currentHeading~0); 157535#L2242 assume !(0 == ~currentFloorID~0); 157313#L2242-2 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 156965#L2248-1 assume { :end_inline_continueInDirection } true; 156962#L2521-2 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 156961#L1652 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 156960#L595 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 156958#L596 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 156959#L1661 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 156919#L600 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 156899#L655 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 156897#L2536 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 145661#L198-2 [2021-12-14 23:30:44,343 INFO L793 eck$LassoCheckResult]: Loop: 145661#L198-2 assume !false; 145658#L199 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 145653#L202 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~10#1;havoc isBlocked_~retValue_acc~10#1;isBlocked_~retValue_acc~10#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~10#1; 145626#L1499 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 145624#L206 assume 1 != cleanup_~tmp___0~0#1; 145625#L206-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret31#1, isIdle_~retValue_acc~17#1, isIdle_~tmp~12#1;havoc isIdle_~retValue_acc~17#1;havoc isIdle_~tmp~12#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret26#1, anyStopRequested_#t~ret27#1, anyStopRequested_#t~ret28#1, anyStopRequested_#t~ret29#1, anyStopRequested_#t~ret30#1, anyStopRequested_~retValue_acc~16#1, anyStopRequested_~tmp~11#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~2#1, anyStopRequested_~tmp___2~2#1, anyStopRequested_~tmp___3~1#1;havoc anyStopRequested_~retValue_acc~16#1;havoc anyStopRequested_~tmp~11#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~2#1;havoc anyStopRequested_~tmp___2~2#1;havoc anyStopRequested_~tmp___3~1#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 145620#L805-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 145621#L832-21 anyStopRequested_#t~ret26#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~1#1 := anyStopRequested_#t~ret26#1;havoc anyStopRequested_#t~ret26#1; 145615#L1760 assume !(0 != anyStopRequested_~tmp___3~1#1); 145617#L1764 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 143542#L805-22 assume !(0 == isFloorCalling_~floorID#1); 143108#L809-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 143109#L832-22 anyStopRequested_#t~ret27#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~2#1 := anyStopRequested_#t~ret27#1;havoc anyStopRequested_#t~ret27#1; 145342#L1771 assume 0 != anyStopRequested_~tmp___2~2#1;anyStopRequested_~retValue_acc~16#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; 153787#L1824 isIdle_#t~ret31#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~12#1 := isIdle_#t~ret31#1;havoc isIdle_#t~ret31#1;isIdle_~retValue_acc~17#1 := (if 0 == isIdle_~tmp~12#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~17#1; 153786#L1837 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 153785#L218 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 153784#L805-26 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 153677#L832-26 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 153675#L2265-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 145500#L1669-1 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 143744#L1690-1 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 145531#L2272-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 145659#L2277-1 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 145655#L2413-2 assume !(0 != timeShift_~tmp___9~2#1); 145656#L2504-3 assume 1 == ~doorState~0;~doorState~0 := 0; 156808#L2504-5 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 156803#L1856-2 assume !(1 == stopRequestedInDirection_~dir#1); 156804#L2025-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 156893#L2178-2 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 157532#L2512-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 157166#L2232-3 assume !(1 == ~currentHeading~0); 157158#L2242-9 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 157153#L2242-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 157131#L2248-7 assume { :end_inline_continueInDirection } true; 157128#L2521-5 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 157127#L1652-1 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 157125#L595-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 157122#L596-1 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 157121#L1661-5 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 156908#L600-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 156898#L655-1 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 156896#L2536-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 145661#L198-2 [2021-12-14 23:30:44,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:44,344 INFO L85 PathProgramCache]: Analyzing trace with hash 215036937, now seen corresponding path program 4 times [2021-12-14 23:30:44,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:44,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246476785] [2021-12-14 23:30:44,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:44,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:44,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:44,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:44,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246476785] [2021-12-14 23:30:44,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246476785] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:44,383 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:44,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:30:44,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491069814] [2021-12-14 23:30:44,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:44,384 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:30:44,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:44,384 INFO L85 PathProgramCache]: Analyzing trace with hash -24103594, now seen corresponding path program 1 times [2021-12-14 23:30:44,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:44,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278890689] [2021-12-14 23:30:44,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:44,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:44,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:44,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:44,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278890689] [2021-12-14 23:30:44,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278890689] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:44,406 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:44,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 23:30:44,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860335070] [2021-12-14 23:30:44,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:44,407 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:30:44,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:30:44,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 23:30:44,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 23:30:44,408 INFO L87 Difference]: Start difference. First operand 14983 states and 27848 transitions. cyclomatic complexity: 12866 Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2021-12-14 23:30:44,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:30:44,579 INFO L93 Difference]: Finished difference Result 22695 states and 41981 transitions. [2021-12-14 23:30:44,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 23:30:44,579 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22695 states and 41981 transitions. [2021-12-14 23:30:44,738 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15688 [2021-12-14 23:30:44,774 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22695 states to 22695 states and 41981 transitions. [2021-12-14 23:30:44,774 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22695 [2021-12-14 23:30:44,788 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22695 [2021-12-14 23:30:44,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22695 states and 41981 transitions. [2021-12-14 23:30:44,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:30:44,814 INFO L681 BuchiCegarLoop]: Abstraction has 22695 states and 41981 transitions. [2021-12-14 23:30:44,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22695 states and 41981 transitions. [2021-12-14 23:30:44,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22695 to 15001. [2021-12-14 23:30:44,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15001 states, 15001 states have (on average 1.8576094927004867) internal successors, (27866), 15000 states have internal predecessors, (27866), 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) [2021-12-14 23:30:44,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15001 states to 15001 states and 27866 transitions. [2021-12-14 23:30:44,996 INFO L704 BuchiCegarLoop]: Abstraction has 15001 states and 27866 transitions. [2021-12-14 23:30:44,996 INFO L587 BuchiCegarLoop]: Abstraction has 15001 states and 27866 transitions. [2021-12-14 23:30:44,996 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-14 23:30:44,996 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15001 states and 27866 transitions. [2021-12-14 23:30:45,031 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8264 [2021-12-14 23:30:45,032 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:30:45,032 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:30:45,034 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] [2021-12-14 23:30:45,034 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-14 23:30:45,034 INFO L791 eck$LassoCheckResult]: Stem: 181718#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);~cleanupTimeShifts~0 := 12;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 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;~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;~head~0.base, ~head~0.offset := 0, 0; 181719#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~1#1, main_~tmp~8#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 181669#L1406 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 181419#L1399 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 181420#L1414 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 182786#L399 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 183006#L368 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 183007#L550 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~3#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~3#1; 182674#L458 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 181682#L483 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 181683#L1076 assume 0 == initPersonOnFloor_~floor#1; 182043#L1077 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 180950#L1184-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 180951#L868 assume !(0 == callOnFloor_~floorID#1); 183189#L871 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 181118#L880-2 assume { :end_inline_callOnFloor } true; 183171#L1220 assume { :end_inline_initPersonOnFloor } true; 181503#L168 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 181504#L805 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 183297#L832 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 183295#L2265 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 183292#L1669 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 183293#L1690 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 183388#L2272 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 183387#L2277 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 183385#L2413 assume !(0 != timeShift_~tmp___9~2#1); 183384#L2504 assume !(1 == ~doorState~0); 183383#L2504-2 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 183381#L1856 assume !(1 == stopRequestedInDirection_~dir#1); 183382#L2025 assume !(0 == ~currentFloorID~0); 183712#L2031 assume !(~currentFloorID~0 > 0); 183648#L2046 assume ~currentFloorID~0 > 0; 183727#L2048 assume 0 != stopRequestedInDirection_~respectInLiftCalls#1; 183726#L2049 assume 0 != ~floorButtons_0~0;stopRequestedInDirection_~retValue_acc~18#1 := 1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 183316#L2178 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 183317#L2512 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 194905#L2232 assume !(1 == ~currentHeading~0); 194903#L2242 assume !(0 == ~currentFloorID~0); 194898#L2242-2 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 194895#L2248-1 assume { :end_inline_continueInDirection } true; 194893#L2521-2 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 194892#L1652 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 194891#L595 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 194890#L596 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 194887#L1661 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 194880#L600 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 194871#L655 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 194869#L2536 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 194868#L198-2 [2021-12-14 23:30:45,035 INFO L793 eck$LassoCheckResult]: Loop: 194868#L198-2 assume !false; 194867#L199 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 194866#L202 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~10#1;havoc isBlocked_~retValue_acc~10#1;isBlocked_~retValue_acc~10#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~10#1; 194865#L1499 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 194864#L206 assume 1 != cleanup_~tmp___0~0#1; 194770#L206-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret31#1, isIdle_~retValue_acc~17#1, isIdle_~tmp~12#1;havoc isIdle_~retValue_acc~17#1;havoc isIdle_~tmp~12#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret26#1, anyStopRequested_#t~ret27#1, anyStopRequested_#t~ret28#1, anyStopRequested_#t~ret29#1, anyStopRequested_#t~ret30#1, anyStopRequested_~retValue_acc~16#1, anyStopRequested_~tmp~11#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~2#1, anyStopRequested_~tmp___2~2#1, anyStopRequested_~tmp___3~1#1;havoc anyStopRequested_~retValue_acc~16#1;havoc anyStopRequested_~tmp~11#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~2#1;havoc anyStopRequested_~tmp___2~2#1;havoc anyStopRequested_~tmp___3~1#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 194767#L805-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 194766#L832-21 anyStopRequested_#t~ret26#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~1#1 := anyStopRequested_#t~ret26#1;havoc anyStopRequested_#t~ret26#1; 188585#L1760 assume !(0 != anyStopRequested_~tmp___3~1#1); 183554#L1764 assume 0 != ~floorButtons_0~0;anyStopRequested_~retValue_acc~16#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; 183542#L1824 isIdle_#t~ret31#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~12#1 := isIdle_#t~ret31#1;havoc isIdle_#t~ret31#1;isIdle_~retValue_acc~17#1 := (if 0 == isIdle_~tmp~12#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~17#1; 183540#L1837 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 183538#L218 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 183535#L805-26 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 183532#L832-26 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 183530#L2265-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 183527#L1669-1 assume !(0 == buttonForFloorIsPressed_~floorID#1); 183521#L1673-1 assume 1 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_1~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 183516#L1690-1 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 183512#L2272-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 183510#L2277-1 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 183506#L2413-2 assume !(0 != timeShift_~tmp___9~2#1); 183504#L2504-3 assume 1 == ~doorState~0;~doorState~0 := 0; 183502#L2504-5 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 183497#L1856-2 assume !(1 == stopRequestedInDirection_~dir#1); 183498#L2025-2 assume !(0 == ~currentFloorID~0); 183192#L2031-2 assume !(~currentFloorID~0 > 0); 183397#L2046-2 assume ~currentFloorID~0 > 0; 183392#L2048-2 assume 0 != stopRequestedInDirection_~respectInLiftCalls#1; 183393#L2049-2 assume 0 != ~floorButtons_0~0;stopRequestedInDirection_~retValue_acc~18#1 := 1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 188616#L2178-2 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 188617#L2512-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 195145#L2232-3 assume !(1 == ~currentHeading~0); 195144#L2242-9 assume !(0 == ~currentFloorID~0); 183416#L2242-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 195140#L2248-7 assume { :end_inline_continueInDirection } true; 195138#L2521-5 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 195137#L1652-1 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 195136#L595-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 195135#L596-1 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 195131#L1661-5 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 195122#L600-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 195113#L655-1 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 194870#L2536-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 194868#L198-2 [2021-12-14 23:30:45,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:45,035 INFO L85 PathProgramCache]: Analyzing trace with hash -928351246, now seen corresponding path program 1 times [2021-12-14 23:30:45,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:45,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808712886] [2021-12-14 23:30:45,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:45,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:45,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:45,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:45,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808712886] [2021-12-14 23:30:45,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808712886] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:45,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:45,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:30:45,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693937218] [2021-12-14 23:30:45,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:45,069 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:30:45,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:45,069 INFO L85 PathProgramCache]: Analyzing trace with hash -889680442, now seen corresponding path program 1 times [2021-12-14 23:30:45,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:45,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650277047] [2021-12-14 23:30:45,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:45,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:45,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:45,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:45,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650277047] [2021-12-14 23:30:45,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650277047] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:45,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:45,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 23:30:45,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016454823] [2021-12-14 23:30:45,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:45,099 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:30:45,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:30:45,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 23:30:45,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 23:30:45,100 INFO L87 Difference]: Start difference. First operand 15001 states and 27866 transitions. cyclomatic complexity: 12866 Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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) [2021-12-14 23:30:45,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:30:45,884 INFO L93 Difference]: Finished difference Result 20451 states and 37908 transitions. [2021-12-14 23:30:45,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 23:30:45,885 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20451 states and 37908 transitions. [2021-12-14 23:30:45,963 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15875 [2021-12-14 23:30:46,016 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20451 states to 20451 states and 37908 transitions. [2021-12-14 23:30:46,016 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20451 [2021-12-14 23:30:46,032 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20451 [2021-12-14 23:30:46,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20451 states and 37908 transitions. [2021-12-14 23:30:46,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:30:46,047 INFO L681 BuchiCegarLoop]: Abstraction has 20451 states and 37908 transitions. [2021-12-14 23:30:46,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20451 states and 37908 transitions. [2021-12-14 23:30:46,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20451 to 11391. [2021-12-14 23:30:46,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11391 states, 11391 states have (on average 1.846896672811869) internal successors, (21038), 11390 states have internal predecessors, (21038), 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) [2021-12-14 23:30:46,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11391 states to 11391 states and 21038 transitions. [2021-12-14 23:30:46,311 INFO L704 BuchiCegarLoop]: Abstraction has 11391 states and 21038 transitions. [2021-12-14 23:30:46,311 INFO L587 BuchiCegarLoop]: Abstraction has 11391 states and 21038 transitions. [2021-12-14 23:30:46,311 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-14 23:30:46,311 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11391 states and 21038 transitions. [2021-12-14 23:30:46,337 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8308 [2021-12-14 23:30:46,337 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:30:46,337 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:30:46,342 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] [2021-12-14 23:30:46,343 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-14 23:30:46,348 INFO L791 eck$LassoCheckResult]: Stem: 217115#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);~cleanupTimeShifts~0 := 12;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 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;~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;~head~0.base, ~head~0.offset := 0, 0; 217116#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~1#1, main_~tmp~8#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 217070#L1406 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 216839#L1399 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 216840#L1414 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 218076#L399 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 218277#L368 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 218278#L550 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~3#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~3#1; 217971#L458 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 217083#L483 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 217084#L1076 assume 0 == initPersonOnFloor_~floor#1; 217412#L1077 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 216406#L1184-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 216407#L868 assume !(0 == callOnFloor_~floorID#1); 218420#L871 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 216560#L880-2 assume { :end_inline_callOnFloor } true; 218410#L1220 assume { :end_inline_initPersonOnFloor } true; 218488#L168 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 218487#L805 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 218486#L832 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 218485#L2265 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 217650#L1669 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 216144#L1690 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 216145#L2272 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 217180#L2277 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 218484#L2413 assume !(0 != timeShift_~tmp___9~2#1); 218342#L2504 assume !(1 == ~doorState~0); 218343#L2504-2 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 216935#L1856 assume !(1 == stopRequestedInDirection_~dir#1); 216936#L2025 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 217777#L2178 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 217850#L2512 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~21#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~21#1; 218332#L2287 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~21#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~21#1; 217151#L2292 timeShift_#t~ret66#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret66#1;havoc timeShift_#t~ret66#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 217152#L1856-1 assume !(1 == stopRequestedInDirection_~dir#1); 218463#L2025-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 216091#L2178-1 timeShift_#t~ret67#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 216319#L2521 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 218199#L2232-2 assume !(1 == ~currentHeading~0); 217038#L2242-6 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 216126#L2242-8 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 216127#L2248-5 assume { :end_inline_continueInDirection } true; 218100#L2521-2 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 221625#L1652 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 221624#L595 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 221623#L596 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 221620#L1661 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 221613#L600 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 221604#L655 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 221603#L2536 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 221601#L198-2 [2021-12-14 23:30:46,349 INFO L793 eck$LassoCheckResult]: Loop: 221601#L198-2 assume !false; 221600#L199 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 221599#L202 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~10#1;havoc isBlocked_~retValue_acc~10#1;isBlocked_~retValue_acc~10#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~10#1; 221598#L1499 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 221597#L206 assume 1 != cleanup_~tmp___0~0#1; 221596#L206-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret31#1, isIdle_~retValue_acc~17#1, isIdle_~tmp~12#1;havoc isIdle_~retValue_acc~17#1;havoc isIdle_~tmp~12#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret26#1, anyStopRequested_#t~ret27#1, anyStopRequested_#t~ret28#1, anyStopRequested_#t~ret29#1, anyStopRequested_#t~ret30#1, anyStopRequested_~retValue_acc~16#1, anyStopRequested_~tmp~11#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~2#1, anyStopRequested_~tmp___2~2#1, anyStopRequested_~tmp___3~1#1;havoc anyStopRequested_~retValue_acc~16#1;havoc anyStopRequested_~tmp~11#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~2#1;havoc anyStopRequested_~tmp___2~2#1;havoc anyStopRequested_~tmp___3~1#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 221595#L805-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 221594#L832-21 anyStopRequested_#t~ret26#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~1#1 := anyStopRequested_#t~ret26#1;havoc anyStopRequested_#t~ret26#1; 221424#L1760 assume !(0 != anyStopRequested_~tmp___3~1#1); 221425#L1764 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 223212#L805-22 assume !(0 == isFloorCalling_~floorID#1); 223208#L809-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 223207#L832-22 anyStopRequested_#t~ret27#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~2#1 := anyStopRequested_#t~ret27#1;havoc anyStopRequested_#t~ret27#1; 223198#L1771 assume 0 != anyStopRequested_~tmp___2~2#1;anyStopRequested_~retValue_acc~16#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; 223190#L1824 isIdle_#t~ret31#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~12#1 := isIdle_#t~ret31#1;havoc isIdle_#t~ret31#1;isIdle_~retValue_acc~17#1 := (if 0 == isIdle_~tmp~12#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~17#1; 223189#L1837 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 223188#L218 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 223187#L805-26 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 218516#L832-26 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 218515#L2265-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 218514#L1669-1 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 218513#L1690-1 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 218511#L2272-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 218510#L2277-1 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 218508#L2413-2 assume !(0 != timeShift_~tmp___9~2#1); 218358#L2504-3 assume 1 == ~doorState~0;~doorState~0 := 0; 218359#L2504-5 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 218362#L1856-2 assume !(1 == stopRequestedInDirection_~dir#1); 218412#L2025-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 217448#L2178-2 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 217863#L2512-2 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~21#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~21#1; 226701#L2287-2 assume 0 == getReverseHeading_~ofHeading#1;getReverseHeading_~retValue_acc~21#1 := 1;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~21#1; 226700#L2292-2 timeShift_#t~ret66#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret66#1;havoc timeShift_#t~ret66#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 218003#L1856-3 assume !(1 == stopRequestedInDirection_~dir#1); 218004#L2025-3 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 217254#L2178-3 timeShift_#t~ret67#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 216598#L2521-3 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 216599#L2232-5 assume !(1 == ~currentHeading~0); 217904#L2242-15 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 217341#L2242-17 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 222094#L2248-11 assume { :end_inline_continueInDirection } true; 222089#L2521-5 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 222088#L1652-1 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 222086#L595-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 222084#L596-1 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 222083#L1661-5 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 222080#L600-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 222071#L655-1 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 221602#L2536-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 221601#L198-2 [2021-12-14 23:30:46,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:46,350 INFO L85 PathProgramCache]: Analyzing trace with hash 2009615150, now seen corresponding path program 1 times [2021-12-14 23:30:46,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:46,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147784386] [2021-12-14 23:30:46,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:46,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:46,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:46,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:46,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147784386] [2021-12-14 23:30:46,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147784386] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:46,372 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:46,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:30:46,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826398939] [2021-12-14 23:30:46,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:46,372 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:30:46,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:46,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1396249469, now seen corresponding path program 1 times [2021-12-14 23:30:46,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:46,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369591463] [2021-12-14 23:30:46,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:46,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:46,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:46,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:46,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369591463] [2021-12-14 23:30:46,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369591463] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:46,405 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:46,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 23:30:46,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730134233] [2021-12-14 23:30:46,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:46,406 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:30:46,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:30:46,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 23:30:46,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 23:30:46,407 INFO L87 Difference]: Start difference. First operand 11391 states and 21038 transitions. cyclomatic complexity: 9648 Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2021-12-14 23:30:46,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:30:46,549 INFO L93 Difference]: Finished difference Result 34119 states and 62953 transitions. [2021-12-14 23:30:46,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 23:30:46,550 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34119 states and 62953 transitions. [2021-12-14 23:30:46,680 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 30867 [2021-12-14 23:30:46,773 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34119 states to 34119 states and 62953 transitions. [2021-12-14 23:30:46,774 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34119 [2021-12-14 23:30:46,802 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34119 [2021-12-14 23:30:46,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34119 states and 62953 transitions. [2021-12-14 23:30:46,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:30:46,824 INFO L681 BuchiCegarLoop]: Abstraction has 34119 states and 62953 transitions. [2021-12-14 23:30:46,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34119 states and 62953 transitions. [2021-12-14 23:30:47,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34119 to 11403. [2021-12-14 23:30:47,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11403 states, 11403 states have (on average 1.8460054371656582) internal successors, (21050), 11402 states have internal predecessors, (21050), 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) [2021-12-14 23:30:47,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11403 states to 11403 states and 21050 transitions. [2021-12-14 23:30:47,230 INFO L704 BuchiCegarLoop]: Abstraction has 11403 states and 21050 transitions. [2021-12-14 23:30:47,230 INFO L587 BuchiCegarLoop]: Abstraction has 11403 states and 21050 transitions. [2021-12-14 23:30:47,230 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-12-14 23:30:47,230 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11403 states and 21050 transitions. [2021-12-14 23:30:47,262 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8318 [2021-12-14 23:30:47,262 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:30:47,263 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:30:47,263 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] [2021-12-14 23:30:47,264 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-14 23:30:47,264 INFO L791 eck$LassoCheckResult]: Stem: 262648#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);~cleanupTimeShifts~0 := 12;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 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;~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;~head~0.base, ~head~0.offset := 0, 0; 262649#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~1#1, main_~tmp~8#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 262605#L1406 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 262371#L1399 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 262372#L1414 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 263603#L399 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 263794#L368 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 263795#L550 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~3#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~3#1; 263502#L458 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 262619#L483 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 262620#L1076 assume 0 == initPersonOnFloor_~floor#1; 262944#L1077 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 261927#L1184-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 261928#L868 assume !(0 == callOnFloor_~floorID#1); 263948#L871 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 262087#L880-2 assume { :end_inline_callOnFloor } true; 264027#L1220 assume { :end_inline_initPersonOnFloor } true; 264026#L168 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 264025#L805 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 264024#L832 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 264023#L2265 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 263176#L1669 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 261665#L1690 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 261666#L2272 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 262716#L2277 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 264022#L2413 assume !(0 != timeShift_~tmp___9~2#1); 263858#L2504 assume !(1 == ~doorState~0); 263859#L2504-2 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 262467#L1856 assume !(1 == stopRequestedInDirection_~dir#1); 262468#L2025 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 263303#L2178 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 263379#L2512 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~21#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~21#1; 263847#L2287 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~21#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~21#1; 263848#L2292 timeShift_#t~ret66#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret66#1;havoc timeShift_#t~ret66#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 264020#L1856-1 assume !(1 == stopRequestedInDirection_~dir#1); 264008#L2025-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 261612#L2178-1 timeShift_#t~ret67#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 261839#L2521 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 263718#L2232-2 assume !(1 == ~currentHeading~0); 262575#L2242-6 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 261647#L2242-8 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 261648#L2248-5 assume { :end_inline_continueInDirection } true; 263555#L2521-2 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 263556#L1652 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 262204#L595 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 262205#L596 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 263999#L1661 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 264000#L600 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 269481#L655 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 269478#L2536 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 269477#L198-2 [2021-12-14 23:30:47,264 INFO L793 eck$LassoCheckResult]: Loop: 269477#L198-2 assume !false; 269476#L199 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 269475#L202 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~10#1;havoc isBlocked_~retValue_acc~10#1;isBlocked_~retValue_acc~10#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~10#1; 269474#L1499 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 269473#L206 assume 1 != cleanup_~tmp___0~0#1; 269472#L206-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret31#1, isIdle_~retValue_acc~17#1, isIdle_~tmp~12#1;havoc isIdle_~retValue_acc~17#1;havoc isIdle_~tmp~12#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret26#1, anyStopRequested_#t~ret27#1, anyStopRequested_#t~ret28#1, anyStopRequested_#t~ret29#1, anyStopRequested_#t~ret30#1, anyStopRequested_~retValue_acc~16#1, anyStopRequested_~tmp~11#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~2#1, anyStopRequested_~tmp___2~2#1, anyStopRequested_~tmp___3~1#1;havoc anyStopRequested_~retValue_acc~16#1;havoc anyStopRequested_~tmp~11#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~2#1;havoc anyStopRequested_~tmp___2~2#1;havoc anyStopRequested_~tmp___3~1#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 269471#L805-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 269470#L832-21 anyStopRequested_#t~ret26#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~1#1 := anyStopRequested_#t~ret26#1;havoc anyStopRequested_#t~ret26#1; 269468#L1760 assume !(0 != anyStopRequested_~tmp___3~1#1); 269465#L1764 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 269466#L805-22 assume !(0 == isFloorCalling_~floorID#1); 269511#L809-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 264151#L832-22 anyStopRequested_#t~ret27#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~2#1 := anyStopRequested_#t~ret27#1;havoc anyStopRequested_#t~ret27#1; 264152#L1771 assume 0 != anyStopRequested_~tmp___2~2#1;anyStopRequested_~retValue_acc~16#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; 264126#L1824 isIdle_#t~ret31#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~12#1 := isIdle_#t~ret31#1;havoc isIdle_#t~ret31#1;isIdle_~retValue_acc~17#1 := (if 0 == isIdle_~tmp~12#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~17#1; 264127#L1837 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 264122#L218 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 264123#L805-26 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 264120#L832-26 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 264119#L2265-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 264118#L1669-1 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 264117#L1690-1 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 264116#L2272-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 264115#L2277-1 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 264114#L2413-2 assume !(0 != timeShift_~tmp___9~2#1); 264113#L2504-3 assume 1 == ~doorState~0;~doorState~0 := 0; 264102#L2504-5 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 264082#L1856-2 assume !(1 == stopRequestedInDirection_~dir#1); 264070#L2025-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 264056#L2178-2 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 264034#L2512-2 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~21#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~21#1; 264032#L2287-2 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~21#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~21#1; 264031#L2292-2 timeShift_#t~ret66#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret66#1;havoc timeShift_#t~ret66#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 264030#L1856-3 assume !(1 == stopRequestedInDirection_~dir#1); 263924#L2025-3 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 263717#L2178-3 timeShift_#t~ret67#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 269544#L2521-3 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 269541#L2232-5 assume !(1 == ~currentHeading~0); 269538#L2242-15 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 269537#L2242-17 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 269536#L2248-11 assume { :end_inline_continueInDirection } true; 269520#L2521-5 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 269518#L1652-1 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 269517#L595-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 269516#L596-1 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 269515#L1661-5 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 269490#L600-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 269480#L655-1 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 269479#L2536-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 269477#L198-2 [2021-12-14 23:30:47,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:47,265 INFO L85 PathProgramCache]: Analyzing trace with hash 2009615150, now seen corresponding path program 2 times [2021-12-14 23:30:47,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:47,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760332267] [2021-12-14 23:30:47,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:47,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:47,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:47,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:47,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760332267] [2021-12-14 23:30:47,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760332267] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:47,306 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:47,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:30:47,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388662416] [2021-12-14 23:30:47,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:47,308 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:30:47,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:47,308 INFO L85 PathProgramCache]: Analyzing trace with hash 904573121, now seen corresponding path program 1 times [2021-12-14 23:30:47,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:47,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519349879] [2021-12-14 23:30:47,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:47,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:47,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:47,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:47,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519349879] [2021-12-14 23:30:47,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519349879] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:47,343 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:47,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 23:30:47,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313137734] [2021-12-14 23:30:47,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:47,343 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:30:47,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:30:47,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 23:30:47,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 23:30:47,345 INFO L87 Difference]: Start difference. First operand 11403 states and 21050 transitions. cyclomatic complexity: 9648 Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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) [2021-12-14 23:30:47,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:30:47,687 INFO L93 Difference]: Finished difference Result 40139 states and 73482 transitions. [2021-12-14 23:30:47,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 23:30:47,687 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40139 states and 73482 transitions. [2021-12-14 23:30:47,853 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 36775 [2021-12-14 23:30:47,973 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40139 states to 40139 states and 73482 transitions. [2021-12-14 23:30:47,973 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40139 [2021-12-14 23:30:48,005 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40139 [2021-12-14 23:30:48,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40139 states and 73482 transitions. [2021-12-14 23:30:48,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:30:48,035 INFO L681 BuchiCegarLoop]: Abstraction has 40139 states and 73482 transitions. [2021-12-14 23:30:48,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40139 states and 73482 transitions. [2021-12-14 23:30:48,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40139 to 12999. [2021-12-14 23:30:48,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12999 states, 12999 states have (on average 1.8267559043003307) internal successors, (23746), 12998 states have internal predecessors, (23746), 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) [2021-12-14 23:30:48,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12999 states to 12999 states and 23746 transitions. [2021-12-14 23:30:48,277 INFO L704 BuchiCegarLoop]: Abstraction has 12999 states and 23746 transitions. [2021-12-14 23:30:48,277 INFO L587 BuchiCegarLoop]: Abstraction has 12999 states and 23746 transitions. [2021-12-14 23:30:48,277 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-12-14 23:30:48,278 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12999 states and 23746 transitions. [2021-12-14 23:30:48,304 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9751 [2021-12-14 23:30:48,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:30:48,304 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:30:48,305 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] [2021-12-14 23:30:48,305 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-14 23:30:48,305 INFO L791 eck$LassoCheckResult]: Stem: 314212#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);~cleanupTimeShifts~0 := 12;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 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;~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;~head~0.base, ~head~0.offset := 0, 0; 314213#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~1#1, main_~tmp~8#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 314167#L1406 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 313933#L1399 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 313934#L1414 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 315195#L399 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 315401#L368 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 315402#L550 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~3#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~3#1; 315095#L458 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 314183#L483 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 314184#L1076 assume 0 == initPersonOnFloor_~floor#1; 314509#L1077 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 313482#L1184-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 313483#L868 assume !(0 == callOnFloor_~floorID#1); 315578#L871 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 313642#L880-2 assume { :end_inline_callOnFloor } true; 315561#L1220 assume { :end_inline_initPersonOnFloor } true; 315662#L168 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 315661#L805 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 315660#L832 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 315659#L2265 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 314751#L1669 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 313226#L1690 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 313227#L2272 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 314277#L2277 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 315658#L2413 assume !(0 != timeShift_~tmp___9~2#1); 315478#L2504 assume !(1 == ~doorState~0); 315480#L2504-2 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 314030#L1856 assume !(1 == stopRequestedInDirection_~dir#1); 314031#L2025 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 314882#L2178 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 315562#L2512 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~21#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~21#1; 315563#L2287 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~21#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~21#1; 315665#L2292 timeShift_#t~ret66#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret66#1;havoc timeShift_#t~ret66#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 315666#L1856-1 assume !(1 == stopRequestedInDirection_~dir#1); 315644#L2025-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 313173#L2178-1 timeShift_#t~ret67#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 313399#L2521 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 315324#L2232-2 assume !(1 == ~currentHeading~0); 314136#L2242-6 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 314137#L2242-8 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 315486#L2248-5 assume { :end_inline_continueInDirection } true; 315217#L2521-2 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 315806#L1652 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 315807#L595 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 315801#L596 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 315802#L1661 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 315670#L600 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 314159#L655 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 314298#L2536 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 315784#L198-2 [2021-12-14 23:30:48,305 INFO L793 eck$LassoCheckResult]: Loop: 315784#L198-2 assume !false; 315781#L199 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 315779#L202 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~10#1;havoc isBlocked_~retValue_acc~10#1;isBlocked_~retValue_acc~10#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~10#1; 315775#L1499 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 315776#L206 assume 1 != cleanup_~tmp___0~0#1; 318361#L206-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret31#1, isIdle_~retValue_acc~17#1, isIdle_~tmp~12#1;havoc isIdle_~retValue_acc~17#1;havoc isIdle_~tmp~12#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret26#1, anyStopRequested_#t~ret27#1, anyStopRequested_#t~ret28#1, anyStopRequested_#t~ret29#1, anyStopRequested_#t~ret30#1, anyStopRequested_~retValue_acc~16#1, anyStopRequested_~tmp~11#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~2#1, anyStopRequested_~tmp___2~2#1, anyStopRequested_~tmp___3~1#1;havoc anyStopRequested_~retValue_acc~16#1;havoc anyStopRequested_~tmp~11#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~2#1;havoc anyStopRequested_~tmp___2~2#1;havoc anyStopRequested_~tmp___3~1#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 318360#L805-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 318358#L832-21 anyStopRequested_#t~ret26#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~1#1 := anyStopRequested_#t~ret26#1;havoc anyStopRequested_#t~ret26#1; 318356#L1760 assume !(0 != anyStopRequested_~tmp___3~1#1); 318354#L1764 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 318316#L805-22 assume !(0 == isFloorCalling_~floorID#1); 318201#L809-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 318196#L832-22 anyStopRequested_#t~ret27#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~2#1 := anyStopRequested_#t~ret27#1;havoc anyStopRequested_#t~ret27#1; 318170#L1771 assume 0 != anyStopRequested_~tmp___2~2#1;anyStopRequested_~retValue_acc~16#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; 318161#L1824 isIdle_#t~ret31#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~12#1 := isIdle_#t~ret31#1;havoc isIdle_#t~ret31#1;isIdle_~retValue_acc~17#1 := (if 0 == isIdle_~tmp~12#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~17#1; 318159#L1837 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 318157#L218 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 318146#L805-26 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 318144#L832-26 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 318143#L2265-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 317926#L1669-1 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 317925#L1690-1 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 317923#L2272-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 317922#L2277-1 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 317920#L2413-2 assume !(0 != timeShift_~tmp___9~2#1); 317918#L2504-3 assume !(1 == ~doorState~0); 317913#L2504-5 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 317910#L1856-2 assume !(1 == stopRequestedInDirection_~dir#1); 317911#L2025-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 317771#L2178-2 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 318084#L2512-2 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~21#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~21#1; 317759#L2287-2 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~21#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~21#1; 318081#L2292-2 timeShift_#t~ret66#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret66#1;havoc timeShift_#t~ret66#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 318079#L1856-3 assume !(1 == stopRequestedInDirection_~dir#1); 317825#L2025-3 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 317768#L2178-3 timeShift_#t~ret67#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 317762#L2521-3 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 317753#L2232-5 assume !(1 == ~currentHeading~0); 317744#L2242-15 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 317737#L2242-17 assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 317734#L2248-11 assume { :end_inline_continueInDirection } true; 317716#L2521-5 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 317717#L1652-1 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 317713#L595-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 317711#L596-1 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 317712#L1661-5 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 317706#L600-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 317696#L655-1 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 315787#L2536-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 315784#L198-2 [2021-12-14 23:30:48,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:48,306 INFO L85 PathProgramCache]: Analyzing trace with hash 2009615150, now seen corresponding path program 3 times [2021-12-14 23:30:48,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:48,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626709000] [2021-12-14 23:30:48,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:48,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:48,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:48,323 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:48,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626709000] [2021-12-14 23:30:48,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626709000] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:48,323 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:48,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:30:48,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65887279] [2021-12-14 23:30:48,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:48,324 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:30:48,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:48,324 INFO L85 PathProgramCache]: Analyzing trace with hash 770559615, now seen corresponding path program 1 times [2021-12-14 23:30:48,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:48,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404078674] [2021-12-14 23:30:48,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:48,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:48,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:48,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:48,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404078674] [2021-12-14 23:30:48,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404078674] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:48,365 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:48,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 23:30:48,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947357305] [2021-12-14 23:30:48,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:48,365 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:30:48,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:30:48,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 23:30:48,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-14 23:30:48,366 INFO L87 Difference]: Start difference. First operand 12999 states and 23746 transitions. cyclomatic complexity: 10748 Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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) [2021-12-14 23:30:50,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:30:50,105 INFO L93 Difference]: Finished difference Result 34582 states and 62446 transitions. [2021-12-14 23:30:50,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-14 23:30:50,106 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34582 states and 62446 transitions. [2021-12-14 23:30:50,243 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 31256 [2021-12-14 23:30:50,330 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34582 states to 34582 states and 62446 transitions. [2021-12-14 23:30:50,330 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34582 [2021-12-14 23:30:50,480 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34582 [2021-12-14 23:30:50,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34582 states and 62446 transitions. [2021-12-14 23:30:50,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:30:50,493 INFO L681 BuchiCegarLoop]: Abstraction has 34582 states and 62446 transitions. [2021-12-14 23:30:50,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34582 states and 62446 transitions. [2021-12-14 23:30:50,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34582 to 17883. [2021-12-14 23:30:50,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17883 states, 17883 states have (on average 1.819381535536543) internal successors, (32536), 17882 states have internal predecessors, (32536), 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) [2021-12-14 23:30:50,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17883 states to 17883 states and 32536 transitions. [2021-12-14 23:30:50,690 INFO L704 BuchiCegarLoop]: Abstraction has 17883 states and 32536 transitions. [2021-12-14 23:30:50,690 INFO L587 BuchiCegarLoop]: Abstraction has 17883 states and 32536 transitions. [2021-12-14 23:30:50,690 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-12-14 23:30:50,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17883 states and 32536 transitions. [2021-12-14 23:30:50,730 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14587 [2021-12-14 23:30:50,730 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:30:50,730 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:30:50,731 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] [2021-12-14 23:30:50,732 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-14 23:30:50,732 INFO L791 eck$LassoCheckResult]: Stem: 361823#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);~cleanupTimeShifts~0 := 12;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 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;~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;~head~0.base, ~head~0.offset := 0, 0; 361824#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~1#1, main_~tmp~8#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 361779#L1406 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 361544#L1399 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 361545#L1414 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 362807#L399 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 363023#L368 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 363024#L550 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~3#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~3#1; 362704#L458 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 361793#L483 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 361794#L1076 assume 0 == initPersonOnFloor_~floor#1; 362130#L1077 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 361102#L1184-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 361103#L868 assume !(0 == callOnFloor_~floorID#1); 363196#L871 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 361260#L880-2 assume { :end_inline_callOnFloor } true; 363179#L1220 assume { :end_inline_initPersonOnFloor } true; 363295#L168 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 363294#L805 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 363293#L832 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 363292#L2265 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 362368#L1669 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 360843#L1690 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 360844#L2272 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 361890#L2277 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 363290#L2413 assume !(0 != timeShift_~tmp___9~2#1); 363100#L2504 assume !(1 == ~doorState~0); 363102#L2504-2 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 365264#L1856 assume !(1 == stopRequestedInDirection_~dir#1); 365265#L2025 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 363019#L2178 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 365291#L2512 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~21#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~21#1; 363297#L2287 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~21#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~21#1; 365290#L2292 timeShift_#t~ret66#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret66#1;havoc timeShift_#t~ret66#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 365289#L1856-1 assume !(1 == stopRequestedInDirection_~dir#1); 365232#L2025-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 365228#L2178-1 timeShift_#t~ret67#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 365226#L2521 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 365227#L2232-2 assume !(1 == ~currentHeading~0); 361746#L2242-6 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 361747#L2242-8 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 363107#L2248-5 assume { :end_inline_continueInDirection } true; 362832#L2521-2 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 363357#L1652 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 363354#L595 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 363355#L596 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 363342#L1661 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 363343#L600 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 365963#L655 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 365961#L2536 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 365962#L198-2 [2021-12-14 23:30:50,732 INFO L793 eck$LassoCheckResult]: Loop: 365962#L198-2 assume !false; 372490#L199 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 372489#L202 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~10#1;havoc isBlocked_~retValue_acc~10#1;isBlocked_~retValue_acc~10#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~10#1; 372488#L1499 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 372487#L206 assume 1 != cleanup_~tmp___0~0#1; 372486#L206-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret31#1, isIdle_~retValue_acc~17#1, isIdle_~tmp~12#1;havoc isIdle_~retValue_acc~17#1;havoc isIdle_~tmp~12#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret26#1, anyStopRequested_#t~ret27#1, anyStopRequested_#t~ret28#1, anyStopRequested_#t~ret29#1, anyStopRequested_#t~ret30#1, anyStopRequested_~retValue_acc~16#1, anyStopRequested_~tmp~11#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~2#1, anyStopRequested_~tmp___2~2#1, anyStopRequested_~tmp___3~1#1;havoc anyStopRequested_~retValue_acc~16#1;havoc anyStopRequested_~tmp~11#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~2#1;havoc anyStopRequested_~tmp___2~2#1;havoc anyStopRequested_~tmp___3~1#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 372485#L805-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 372484#L832-21 anyStopRequested_#t~ret26#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~1#1 := anyStopRequested_#t~ret26#1;havoc anyStopRequested_#t~ret26#1; 372482#L1760 assume !(0 != anyStopRequested_~tmp___3~1#1); 372480#L1764 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 372479#L805-22 assume !(0 == isFloorCalling_~floorID#1); 372475#L809-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 365926#L832-22 anyStopRequested_#t~ret27#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~2#1 := anyStopRequested_#t~ret27#1;havoc anyStopRequested_#t~ret27#1; 365927#L1771 assume 0 != anyStopRequested_~tmp___2~2#1;anyStopRequested_~retValue_acc~16#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; 365905#L1824 isIdle_#t~ret31#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~12#1 := isIdle_#t~ret31#1;havoc isIdle_#t~ret31#1;isIdle_~retValue_acc~17#1 := (if 0 == isIdle_~tmp~12#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~17#1; 365906#L1837 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 365901#L218 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 365902#L805-26 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 372433#L832-26 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 372425#L2265-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 372427#L1669-1 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 372430#L1690-1 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 372431#L2272-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 378049#L2277-1 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 378048#L2413-2 assume !(0 != timeShift_~tmp___9~2#1); 378046#L2504-3 assume !(1 == ~doorState~0); 378047#L2504-5 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 363182#L1856-2 assume !(1 == stopRequestedInDirection_~dir#1); 363183#L2025-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 378399#L2178-2 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 378391#L2512-2 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~21#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~21#1; 378389#L2287-2 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~21#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~21#1; 378388#L2292-2 timeShift_#t~ret66#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret66#1;havoc timeShift_#t~ret66#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 378362#L1856-3 assume !(1 == stopRequestedInDirection_~dir#1); 378345#L2025-3 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 378340#L2178-3 timeShift_#t~ret67#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 378338#L2521-3 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 378339#L2232-5 assume !(1 == ~currentHeading~0); 378656#L2242-15 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 362058#L2242-17 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 365338#L2248-11 assume { :end_inline_continueInDirection } true; 365329#L2521-5 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 365330#L1652-1 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 365324#L595-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 365325#L596-1 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 365319#L1661-5 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 365320#L600-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 372492#L655-1 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 372491#L2536-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 365962#L198-2 [2021-12-14 23:30:50,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:50,733 INFO L85 PathProgramCache]: Analyzing trace with hash 2009615150, now seen corresponding path program 4 times [2021-12-14 23:30:50,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:50,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822540509] [2021-12-14 23:30:50,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:50,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:50,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:50,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:50,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822540509] [2021-12-14 23:30:50,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822540509] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:50,752 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:50,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:30:50,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641756161] [2021-12-14 23:30:50,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:50,753 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:30:50,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:50,754 INFO L85 PathProgramCache]: Analyzing trace with hash 377532605, now seen corresponding path program 1 times [2021-12-14 23:30:50,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:50,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614141212] [2021-12-14 23:30:50,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:50,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:50,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:50,772 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:50,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614141212] [2021-12-14 23:30:50,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614141212] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:50,773 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:50,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:30:50,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538477583] [2021-12-14 23:30:50,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:50,773 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:30:50,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:30:50,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 23:30:50,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 23:30:50,774 INFO L87 Difference]: Start difference. First operand 17883 states and 32536 transitions. cyclomatic complexity: 14654 Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2021-12-14 23:30:50,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:30:50,912 INFO L93 Difference]: Finished difference Result 28484 states and 51697 transitions. [2021-12-14 23:30:50,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 23:30:50,913 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28484 states and 51697 transitions. [2021-12-14 23:30:51,029 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25186 [2021-12-14 23:30:51,108 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28484 states to 28484 states and 51697 transitions. [2021-12-14 23:30:51,108 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28484 [2021-12-14 23:30:51,130 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28484 [2021-12-14 23:30:51,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28484 states and 51697 transitions. [2021-12-14 23:30:51,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:30:51,149 INFO L681 BuchiCegarLoop]: Abstraction has 28484 states and 51697 transitions. [2021-12-14 23:30:51,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28484 states and 51697 transitions. [2021-12-14 23:30:51,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28484 to 28444. [2021-12-14 23:30:51,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28444 states, 28444 states have (on average 1.8154619603431303) internal successors, (51639), 28443 states have internal predecessors, (51639), 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) [2021-12-14 23:30:51,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28444 states to 28444 states and 51639 transitions. [2021-12-14 23:30:51,692 INFO L704 BuchiCegarLoop]: Abstraction has 28444 states and 51639 transitions. [2021-12-14 23:30:51,692 INFO L587 BuchiCegarLoop]: Abstraction has 28444 states and 51639 transitions. [2021-12-14 23:30:51,692 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-12-14 23:30:51,692 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28444 states and 51639 transitions. [2021-12-14 23:30:51,777 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25146 [2021-12-14 23:30:51,777 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:30:51,778 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:30:51,779 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] [2021-12-14 23:30:51,779 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-14 23:30:51,780 INFO L791 eck$LassoCheckResult]: Stem: 408206#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);~cleanupTimeShifts~0 := 12;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 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;~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;~head~0.base, ~head~0.offset := 0, 0; 408207#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~1#1, main_~tmp~8#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 408159#L1406 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 407923#L1399 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 407924#L1414 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 409189#L399 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 409397#L368 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 409398#L550 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~3#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~3#1; 409089#L458 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 408175#L483 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 408176#L1076 assume 0 == initPersonOnFloor_~floor#1; 408514#L1077 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 407475#L1184-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 407476#L868 assume !(0 == callOnFloor_~floorID#1); 409575#L871 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 407636#L880-2 assume { :end_inline_callOnFloor } true; 409653#L1220 assume { :end_inline_initPersonOnFloor } true; 409652#L168 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 409651#L805 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 409650#L832 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 409649#L2265 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 408755#L1669 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 407216#L1690 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 407217#L2272 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 408272#L2277 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 409648#L2413 assume !(0 != timeShift_~tmp___9~2#1); 409476#L2504 assume !(1 == ~doorState~0); 409478#L2504-2 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 408021#L1856 assume !(1 == stopRequestedInDirection_~dir#1); 408022#L2025 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 408886#L2178 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 408960#L2512 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~21#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~21#1; 409462#L2287 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~21#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~21#1; 408242#L2292 timeShift_#t~ret66#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret66#1;havoc timeShift_#t~ret66#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 408243#L1856-1 assume !(1 == stopRequestedInDirection_~dir#1); 409654#L2025-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 407389#L2178-1 timeShift_#t~ret67#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 407390#L2521 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 409523#L2232-2 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~7#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~7#1;isTopFloor_~retValue_acc~7#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~7#1; 409524#L1379-4 continueInDirection_#t~ret43#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~14#1 := continueInDirection_#t~ret43#1;havoc continueInDirection_#t~ret43#1; 409615#L2236-6 assume 0 != continueInDirection_~tmp~14#1;~currentHeading~0 := 0; 409616#L2242-8 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 409671#L2248-5 assume { :end_inline_continueInDirection } true; 409669#L2521-2 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 412932#L1652 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 412931#L595 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 412930#L596 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 412929#L1661 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 412926#L600 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 412917#L655 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 412812#L2536 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 412811#L198-2 [2021-12-14 23:30:51,780 INFO L793 eck$LassoCheckResult]: Loop: 412811#L198-2 assume !false; 412810#L199 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 412809#L202 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~10#1;havoc isBlocked_~retValue_acc~10#1;isBlocked_~retValue_acc~10#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~10#1; 412804#L1499 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 412802#L206 assume 1 != cleanup_~tmp___0~0#1; 412801#L206-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret31#1, isIdle_~retValue_acc~17#1, isIdle_~tmp~12#1;havoc isIdle_~retValue_acc~17#1;havoc isIdle_~tmp~12#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret26#1, anyStopRequested_#t~ret27#1, anyStopRequested_#t~ret28#1, anyStopRequested_#t~ret29#1, anyStopRequested_#t~ret30#1, anyStopRequested_~retValue_acc~16#1, anyStopRequested_~tmp~11#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~2#1, anyStopRequested_~tmp___2~2#1, anyStopRequested_~tmp___3~1#1;havoc anyStopRequested_~retValue_acc~16#1;havoc anyStopRequested_~tmp~11#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~2#1;havoc anyStopRequested_~tmp___2~2#1;havoc anyStopRequested_~tmp___3~1#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 412800#L805-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 412799#L832-21 anyStopRequested_#t~ret26#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~1#1 := anyStopRequested_#t~ret26#1;havoc anyStopRequested_#t~ret26#1; 412797#L1760 assume !(0 != anyStopRequested_~tmp___3~1#1); 412795#L1764 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 412794#L805-22 assume !(0 == isFloorCalling_~floorID#1); 412758#L809-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 412754#L832-22 anyStopRequested_#t~ret27#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~2#1 := anyStopRequested_#t~ret27#1;havoc anyStopRequested_#t~ret27#1; 412710#L1771 assume 0 != anyStopRequested_~tmp___2~2#1;anyStopRequested_~retValue_acc~16#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; 412702#L1824 isIdle_#t~ret31#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~12#1 := isIdle_#t~ret31#1;havoc isIdle_#t~ret31#1;isIdle_~retValue_acc~17#1 := (if 0 == isIdle_~tmp~12#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~17#1; 412701#L1837 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 412699#L218 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 412697#L805-26 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 412693#L832-26 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 412692#L2265-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 412690#L1669-1 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 412689#L1690-1 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 412685#L2272-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 412684#L2277-1 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 412681#L2413-2 assume !(0 != timeShift_~tmp___9~2#1); 412679#L2504-3 assume !(1 == ~doorState~0); 412678#L2504-5 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 412676#L1856-2 assume !(1 == stopRequestedInDirection_~dir#1); 412677#L2025-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 412597#L2178-2 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 412724#L2512-2 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~21#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~21#1; 412592#L2287-2 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~21#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~21#1; 412721#L2292-2 timeShift_#t~ret66#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret66#1;havoc timeShift_#t~ret66#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 412715#L1856-3 assume !(1 == stopRequestedInDirection_~dir#1); 412636#L2025-3 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 412612#L2178-3 timeShift_#t~ret67#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 412595#L2521-3 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 412593#L2232-5 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~7#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~7#1;isTopFloor_~retValue_acc~7#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~7#1; 411755#L1379-9 continueInDirection_#t~ret43#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~14#1 := continueInDirection_#t~ret43#1;havoc continueInDirection_#t~ret43#1; 411721#L2236-15 assume 0 != continueInDirection_~tmp~14#1;~currentHeading~0 := 0; 411660#L2242-17 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 411662#L2248-11 assume { :end_inline_continueInDirection } true; 412952#L2521-5 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 412951#L1652-1 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 412950#L595-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 412834#L596-1 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 412832#L1661-5 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 412826#L600-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 412815#L655-1 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 412813#L2536-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 412811#L198-2 [2021-12-14 23:30:51,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:51,780 INFO L85 PathProgramCache]: Analyzing trace with hash 337510327, now seen corresponding path program 1 times [2021-12-14 23:30:51,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:51,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295486535] [2021-12-14 23:30:51,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:51,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:51,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:51,944 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:51,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295486535] [2021-12-14 23:30:51,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295486535] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:51,944 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:51,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:30:51,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300875852] [2021-12-14 23:30:51,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:51,944 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:30:51,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:51,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1282564584, now seen corresponding path program 1 times [2021-12-14 23:30:51,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:51,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801090405] [2021-12-14 23:30:51,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:51,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:51,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:51,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:51,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801090405] [2021-12-14 23:30:51,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801090405] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:51,964 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:51,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 23:30:51,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261348894] [2021-12-14 23:30:51,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:51,965 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:30:51,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:30:51,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 23:30:51,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 23:30:51,966 INFO L87 Difference]: Start difference. First operand 28444 states and 51639 transitions. cyclomatic complexity: 23196 Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2021-12-14 23:30:52,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:30:52,211 INFO L93 Difference]: Finished difference Result 47954 states and 87253 transitions. [2021-12-14 23:30:52,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 23:30:52,212 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47954 states and 87253 transitions. [2021-12-14 23:30:52,405 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 44460 [2021-12-14 23:30:52,726 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47954 states to 47928 states and 87225 transitions. [2021-12-14 23:30:52,726 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 47928 [2021-12-14 23:30:52,748 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 47928 [2021-12-14 23:30:52,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47928 states and 87225 transitions. [2021-12-14 23:30:52,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:30:52,766 INFO L681 BuchiCegarLoop]: Abstraction has 47928 states and 87225 transitions. [2021-12-14 23:30:52,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47928 states and 87225 transitions. [2021-12-14 23:30:52,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47928 to 29228. [2021-12-14 23:30:53,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29228 states, 29228 states have (on average 1.8083686875598741) internal successors, (52855), 29227 states have internal predecessors, (52855), 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) [2021-12-14 23:30:53,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29228 states to 29228 states and 52855 transitions. [2021-12-14 23:30:53,170 INFO L704 BuchiCegarLoop]: Abstraction has 29228 states and 52855 transitions. [2021-12-14 23:30:53,170 INFO L587 BuchiCegarLoop]: Abstraction has 29228 states and 52855 transitions. [2021-12-14 23:30:53,170 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-12-14 23:30:53,170 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29228 states and 52855 transitions. [2021-12-14 23:30:53,243 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25806 [2021-12-14 23:30:53,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:30:53,243 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:30:53,244 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] [2021-12-14 23:30:53,244 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-14 23:30:53,245 INFO L791 eck$LassoCheckResult]: Stem: 484602#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);~cleanupTimeShifts~0 := 12;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 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;~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;~head~0.base, ~head~0.offset := 0, 0; 484603#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~1#1, main_~tmp~8#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 484560#L1406 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 484325#L1399 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 484326#L1414 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 485592#L399 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 485810#L368 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 485811#L550 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~3#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~3#1; 485490#L458 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 484573#L483 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 484574#L1076 assume 0 == initPersonOnFloor_~floor#1; 484911#L1077 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 483884#L1184-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 483885#L868 assume !(0 == callOnFloor_~floorID#1); 485977#L871 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 484042#L880-2 assume { :end_inline_callOnFloor } true; 486063#L1220 assume { :end_inline_initPersonOnFloor } true; 486062#L168 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 486061#L805 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 486060#L832 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 486059#L2265 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 485154#L1669 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 483625#L1690 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 483626#L2272 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 484667#L2277 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 486057#L2413 assume !(0 != timeShift_~tmp___9~2#1); 485882#L2504 assume !(1 == ~doorState~0); 485884#L2504-2 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 486297#L1856 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~7#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~7#1;isTopFloor_~retValue_acc~7#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~7#1; 486296#L1379 stopRequestedInDirection_#t~ret32#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~13#1 := stopRequestedInDirection_#t~ret32#1;havoc stopRequestedInDirection_#t~ret32#1; 486295#L1860 assume 0 != stopRequestedInDirection_~tmp~13#1;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 485927#L2178 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 486120#L2512 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~21#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~21#1; 486116#L2287 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~21#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~21#1; 486114#L2292 timeShift_#t~ret66#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret66#1;havoc timeShift_#t~ret66#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 486109#L1856-1 assume !(1 == stopRequestedInDirection_~dir#1); 486110#L2025-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 486071#L2178-1 timeShift_#t~ret67#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 486072#L2521 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 485924#L2232-2 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~7#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~7#1;isTopFloor_~retValue_acc~7#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~7#1; 485925#L1379-4 continueInDirection_#t~ret43#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~14#1 := continueInDirection_#t~ret43#1;havoc continueInDirection_#t~ret43#1; 486022#L2236-6 assume 0 != continueInDirection_~tmp~14#1;~currentHeading~0 := 0; 486023#L2242-8 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 486172#L2248-5 assume { :end_inline_continueInDirection } true; 486170#L2521-2 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 497528#L1652 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 497527#L595 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 497526#L596 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 497523#L1661 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 497516#L600 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 497507#L655 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 497506#L2536 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 497504#L198-2 [2021-12-14 23:30:53,245 INFO L793 eck$LassoCheckResult]: Loop: 497504#L198-2 assume !false; 497503#L199 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 497502#L202 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~10#1;havoc isBlocked_~retValue_acc~10#1;isBlocked_~retValue_acc~10#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~10#1; 497501#L1499 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 497500#L206 assume 1 != cleanup_~tmp___0~0#1; 497499#L206-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret31#1, isIdle_~retValue_acc~17#1, isIdle_~tmp~12#1;havoc isIdle_~retValue_acc~17#1;havoc isIdle_~tmp~12#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret26#1, anyStopRequested_#t~ret27#1, anyStopRequested_#t~ret28#1, anyStopRequested_#t~ret29#1, anyStopRequested_#t~ret30#1, anyStopRequested_~retValue_acc~16#1, anyStopRequested_~tmp~11#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~2#1, anyStopRequested_~tmp___2~2#1, anyStopRequested_~tmp___3~1#1;havoc anyStopRequested_~retValue_acc~16#1;havoc anyStopRequested_~tmp~11#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~2#1;havoc anyStopRequested_~tmp___2~2#1;havoc anyStopRequested_~tmp___3~1#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 497498#L805-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 497497#L832-21 anyStopRequested_#t~ret26#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~1#1 := anyStopRequested_#t~ret26#1;havoc anyStopRequested_#t~ret26#1; 497491#L1760 assume !(0 != anyStopRequested_~tmp___3~1#1); 497488#L1764 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 497487#L805-22 assume !(0 == isFloorCalling_~floorID#1); 497479#L809-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 497477#L832-22 anyStopRequested_#t~ret27#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~2#1 := anyStopRequested_#t~ret27#1;havoc anyStopRequested_#t~ret27#1; 497468#L1771 assume 0 != anyStopRequested_~tmp___2~2#1;anyStopRequested_~retValue_acc~16#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; 497460#L1824 isIdle_#t~ret31#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~12#1 := isIdle_#t~ret31#1;havoc isIdle_#t~ret31#1;isIdle_~retValue_acc~17#1 := (if 0 == isIdle_~tmp~12#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~17#1; 497458#L1837 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 497457#L218 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 497456#L805-26 assume !(0 == isFloorCalling_~floorID#1); 497412#L809-26 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 497395#L832-26 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 497297#L2265-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 488139#L1669-1 assume !(0 == buttonForFloorIsPressed_~floorID#1); 486928#L1673-1 assume 1 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_1~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 486923#L1690-1 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 486918#L2272-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 486916#L2277-1 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 486913#L2413-2 assume !(0 != timeShift_~tmp___9~2#1); 486906#L2504-3 assume !(1 == ~doorState~0); 486907#L2504-5 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 493944#L1856-2 assume !(1 == stopRequestedInDirection_~dir#1); 493943#L2025-2 assume !(0 == ~currentFloorID~0); 493941#L2031-2 assume ~currentFloorID~0 > 0; 493942#L2032-2 assume 0 != stopRequestedInDirection_~respectFloorCalls#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 494165#L805-32 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 494160#L832-32 stopRequestedInDirection_#t~ret38#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedInDirection_~tmp___9~0#1 := stopRequestedInDirection_#t~ret38#1;havoc stopRequestedInDirection_#t~ret38#1; 494142#L2036-2 assume 0 != stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~retValue_acc~18#1 := 1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 494141#L2178-2 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 494138#L2512-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 494139#L2232-3 assume !(1 == ~currentHeading~0); 497802#L2242-9 assume !(0 == ~currentFloorID~0); 493193#L2242-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 497582#L2248-7 assume { :end_inline_continueInDirection } true; 497576#L2521-5 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 497575#L1652-1 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 497574#L595-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 497563#L596-1 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 497560#L1661-5 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 497542#L600-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 497530#L655-1 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 497505#L2536-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 497504#L198-2 [2021-12-14 23:30:53,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:53,245 INFO L85 PathProgramCache]: Analyzing trace with hash 162603324, now seen corresponding path program 1 times [2021-12-14 23:30:53,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:53,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508340915] [2021-12-14 23:30:53,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:53,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:53,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:53,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:53,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508340915] [2021-12-14 23:30:53,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508340915] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:53,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:53,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:30:53,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836710095] [2021-12-14 23:30:53,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:53,286 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:30:53,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:53,287 INFO L85 PathProgramCache]: Analyzing trace with hash 507420184, now seen corresponding path program 1 times [2021-12-14 23:30:53,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:53,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357886139] [2021-12-14 23:30:53,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:53,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:53,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:53,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:53,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357886139] [2021-12-14 23:30:53,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357886139] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:53,324 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:53,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 23:30:53,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246132277] [2021-12-14 23:30:53,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:53,325 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:30:53,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:30:53,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 23:30:53,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-14 23:30:53,325 INFO L87 Difference]: Start difference. First operand 29228 states and 52855 transitions. cyclomatic complexity: 23628 Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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) [2021-12-14 23:30:55,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:30:55,241 INFO L93 Difference]: Finished difference Result 190295 states and 347482 transitions. [2021-12-14 23:30:55,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-14 23:30:55,241 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 190295 states and 347482 transitions. [2021-12-14 23:30:56,160 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 181421 [2021-12-14 23:30:56,788 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 190295 states to 190295 states and 347482 transitions. [2021-12-14 23:30:56,788 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 190295 [2021-12-14 23:30:56,887 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 190295 [2021-12-14 23:30:56,887 INFO L73 IsDeterministic]: Start isDeterministic. Operand 190295 states and 347482 transitions. [2021-12-14 23:30:56,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:30:56,968 INFO L681 BuchiCegarLoop]: Abstraction has 190295 states and 347482 transitions. [2021-12-14 23:30:57,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190295 states and 347482 transitions. [2021-12-14 23:30:57,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190295 to 57034. [2021-12-14 23:30:57,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57034 states, 57034 states have (on average 1.805800049093523) internal successors, (102992), 57033 states have internal predecessors, (102992), 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) [2021-12-14 23:30:58,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57034 states to 57034 states and 102992 transitions. [2021-12-14 23:30:58,076 INFO L704 BuchiCegarLoop]: Abstraction has 57034 states and 102992 transitions. [2021-12-14 23:30:58,076 INFO L587 BuchiCegarLoop]: Abstraction has 57034 states and 102992 transitions. [2021-12-14 23:30:58,076 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-12-14 23:30:58,076 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57034 states and 102992 transitions. [2021-12-14 23:30:58,273 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 51676 [2021-12-14 23:30:58,274 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:30:58,274 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:30:58,275 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] [2021-12-14 23:30:58,276 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-14 23:30:58,276 INFO L791 eck$LassoCheckResult]: Stem: 704167#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);~cleanupTimeShifts~0 := 12;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 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;~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;~head~0.base, ~head~0.offset := 0, 0; 704168#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~1#1, main_~tmp~8#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 704125#L1406 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 703890#L1399 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 703891#L1414 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 705165#L399 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 705381#L368 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 705382#L550 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~3#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~3#1; 705061#L458 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 704138#L483 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 704139#L1076 assume 0 == initPersonOnFloor_~floor#1; 704470#L1077 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 703453#L1184-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 703454#L868 assume !(0 == callOnFloor_~floorID#1); 705559#L871 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 705542#L880-2 assume { :end_inline_callOnFloor } true; 705543#L1220 assume { :end_inline_initPersonOnFloor } true; 703966#L168 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 703967#L805 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 705657#L832 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 705658#L2265 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 704713#L1669 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 704714#L1690 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 704231#L2272 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 704233#L2277 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 705650#L2413 assume !(0 != timeShift_~tmp___9~2#1); 705652#L2504 assume !(1 == ~doorState~0); 705893#L2504-2 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 705894#L1856 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~7#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~7#1;isTopFloor_~retValue_acc~7#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~7#1; 705888#L1379 stopRequestedInDirection_#t~ret32#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~13#1 := stopRequestedInDirection_#t~ret32#1;havoc stopRequestedInDirection_#t~ret32#1; 705889#L1860 assume 0 != stopRequestedInDirection_~tmp~13#1;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 705503#L2178 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 709734#L2512 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~21#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~21#1; 709681#L2287 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~21#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~21#1; 709731#L2292 timeShift_#t~ret66#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret66#1;havoc timeShift_#t~ret66#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 709730#L1856-1 assume !(1 == stopRequestedInDirection_~dir#1); 709690#L2025-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 705670#L2178-1 timeShift_#t~ret67#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 705671#L2521 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 705501#L2232-2 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~7#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~7#1;isTopFloor_~retValue_acc~7#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~7#1; 705502#L1379-4 continueInDirection_#t~ret43#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~14#1 := continueInDirection_#t~ret43#1;havoc continueInDirection_#t~ret43#1; 705608#L2236-6 assume 0 != continueInDirection_~tmp~14#1;~currentHeading~0 := 0; 705609#L2242-8 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 705777#L2248-5 assume { :end_inline_continueInDirection } true; 705775#L2521-2 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 713751#L1652 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 713750#L595 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 713749#L596 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 713746#L1661 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 713739#L600 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 713730#L655 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 713728#L2536 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 713727#L198-2 [2021-12-14 23:30:58,276 INFO L793 eck$LassoCheckResult]: Loop: 713727#L198-2 assume !false; 713725#L199 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 713709#L202 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~10#1;havoc isBlocked_~retValue_acc~10#1;isBlocked_~retValue_acc~10#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~10#1; 713707#L1499 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 713706#L206 assume 1 != cleanup_~tmp___0~0#1; 713579#L206-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret31#1, isIdle_~retValue_acc~17#1, isIdle_~tmp~12#1;havoc isIdle_~retValue_acc~17#1;havoc isIdle_~tmp~12#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret26#1, anyStopRequested_#t~ret27#1, anyStopRequested_#t~ret28#1, anyStopRequested_#t~ret29#1, anyStopRequested_#t~ret30#1, anyStopRequested_~retValue_acc~16#1, anyStopRequested_~tmp~11#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~2#1, anyStopRequested_~tmp___2~2#1, anyStopRequested_~tmp___3~1#1;havoc anyStopRequested_~retValue_acc~16#1;havoc anyStopRequested_~tmp~11#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~2#1;havoc anyStopRequested_~tmp___2~2#1;havoc anyStopRequested_~tmp___3~1#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 713578#L805-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 713577#L832-21 anyStopRequested_#t~ret26#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~1#1 := anyStopRequested_#t~ret26#1;havoc anyStopRequested_#t~ret26#1; 713575#L1760 assume !(0 != anyStopRequested_~tmp___3~1#1); 713573#L1764 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 713572#L805-22 assume !(0 == isFloorCalling_~floorID#1); 713568#L809-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 713566#L832-22 anyStopRequested_#t~ret27#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~2#1 := anyStopRequested_#t~ret27#1;havoc anyStopRequested_#t~ret27#1; 713559#L1771 assume 0 != anyStopRequested_~tmp___2~2#1;anyStopRequested_~retValue_acc~16#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; 709582#L1824 isIdle_#t~ret31#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~12#1 := isIdle_#t~ret31#1;havoc isIdle_#t~ret31#1;isIdle_~retValue_acc~17#1 := (if 0 == isIdle_~tmp~12#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~17#1; 713551#L1837 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 713120#L218 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 713121#L805-26 assume !(0 == isFloorCalling_~floorID#1); 712823#L809-26 assume !(1 == isFloorCalling_~floorID#1); 712817#L813-26 assume 2 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_2~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 712815#L832-26 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 712813#L2265-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 712811#L1669-1 assume !(0 == buttonForFloorIsPressed_~floorID#1); 712806#L1673-1 assume 1 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_1~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 712801#L1690-1 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 712798#L2272-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 712796#L2277-1 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 712793#L2413-2 assume !(0 != timeShift_~tmp___9~2#1); 712790#L2504-3 assume !(1 == ~doorState~0); 712791#L2504-5 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 714221#L1856-2 assume !(1 == stopRequestedInDirection_~dir#1); 714220#L2025-2 assume !(0 == ~currentFloorID~0); 714218#L2031-2 assume ~currentFloorID~0 > 0; 714217#L2032-2 assume 0 != stopRequestedInDirection_~respectFloorCalls#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 714216#L805-32 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 714215#L832-32 stopRequestedInDirection_#t~ret38#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedInDirection_~tmp___9~0#1 := stopRequestedInDirection_#t~ret38#1;havoc stopRequestedInDirection_#t~ret38#1; 714197#L2036-2 assume 0 != stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~retValue_acc~18#1 := 1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 714187#L2178-2 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 714175#L2512-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 714167#L2232-3 assume !(1 == ~currentHeading~0); 714159#L2242-9 assume !(0 == ~currentFloorID~0); 713911#L2242-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 714149#L2248-7 assume { :end_inline_continueInDirection } true; 714142#L2521-5 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 714130#L1652-1 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 714128#L595-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 714126#L596-1 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 714122#L1661-5 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 714114#L600-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 714100#L655-1 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 713729#L2536-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 713727#L198-2 [2021-12-14 23:30:58,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:58,277 INFO L85 PathProgramCache]: Analyzing trace with hash 162603324, now seen corresponding path program 2 times [2021-12-14 23:30:58,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:58,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100016730] [2021-12-14 23:30:58,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:58,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:58,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:58,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:58,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100016730] [2021-12-14 23:30:58,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100016730] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:58,296 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:58,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:30:58,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363746504] [2021-12-14 23:30:58,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:58,296 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:30:58,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:30:58,297 INFO L85 PathProgramCache]: Analyzing trace with hash 2132394358, now seen corresponding path program 1 times [2021-12-14 23:30:58,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:30:58,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268837847] [2021-12-14 23:30:58,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:30:58,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:30:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:30:58,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:30:58,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:30:58,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268837847] [2021-12-14 23:30:58,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268837847] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:30:58,316 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:30:58,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 23:30:58,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850509877] [2021-12-14 23:30:58,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:30:58,316 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:30:58,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:30:58,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 23:30:58,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 23:30:58,317 INFO L87 Difference]: Start difference. First operand 57034 states and 102992 transitions. cyclomatic complexity: 45959 Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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) [2021-12-14 23:30:59,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:30:59,917 INFO L93 Difference]: Finished difference Result 162784 states and 295678 transitions. [2021-12-14 23:30:59,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 23:30:59,918 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162784 states and 295678 transitions. [2021-12-14 23:31:00,862 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 154210 [2021-12-14 23:31:01,584 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162784 states to 162784 states and 295678 transitions. [2021-12-14 23:31:01,584 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 162784 [2021-12-14 23:31:01,669 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 162784 [2021-12-14 23:31:01,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 162784 states and 295678 transitions. [2021-12-14 23:31:01,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:31:01,738 INFO L681 BuchiCegarLoop]: Abstraction has 162784 states and 295678 transitions. [2021-12-14 23:31:01,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162784 states and 295678 transitions. [2021-12-14 23:31:02,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162784 to 77938. [2021-12-14 23:31:02,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77938 states, 77938 states have (on average 1.8205881598193436) internal successors, (141893), 77937 states have internal predecessors, (141893), 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) [2021-12-14 23:31:02,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77938 states to 77938 states and 141893 transitions. [2021-12-14 23:31:02,836 INFO L704 BuchiCegarLoop]: Abstraction has 77938 states and 141893 transitions. [2021-12-14 23:31:02,836 INFO L587 BuchiCegarLoop]: Abstraction has 77938 states and 141893 transitions. [2021-12-14 23:31:02,837 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-12-14 23:31:02,837 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77938 states and 141893 transitions. [2021-12-14 23:31:03,075 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72580 [2021-12-14 23:31:03,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:31:03,075 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:31:03,077 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] [2021-12-14 23:31:03,077 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-14 23:31:03,077 INFO L791 eck$LassoCheckResult]: Stem: 924008#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);~cleanupTimeShifts~0 := 12;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 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;~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;~head~0.base, ~head~0.offset := 0, 0; 924009#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~1#1, main_~tmp~8#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 923966#L1406 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 923731#L1399 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 923732#L1414 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 925011#L399 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 925223#L368 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 925224#L550 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~3#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~3#1; 924904#L458 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 923979#L483 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 923980#L1076 assume 0 == initPersonOnFloor_~floor#1; 924318#L1077 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 923289#L1184-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 923290#L868 assume !(0 == callOnFloor_~floorID#1); 925393#L871 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 925381#L880-2 assume { :end_inline_callOnFloor } true; 925382#L1220 assume { :end_inline_initPersonOnFloor } true; 923809#L168 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 923810#L805 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 925489#L832 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 925490#L2265 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 924555#L1669 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 924556#L1690 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 924070#L2272 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 924072#L2277 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 925482#L2413 assume !(0 != timeShift_~tmp___9~2#1); 925484#L2504 assume !(1 == ~doorState~0); 935258#L2504-2 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 925693#L1856 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~7#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~7#1;isTopFloor_~retValue_acc~7#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~7#1; 925694#L1379 stopRequestedInDirection_#t~ret32#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~13#1 := stopRequestedInDirection_#t~ret32#1;havoc stopRequestedInDirection_#t~ret32#1; 925689#L1860 assume 0 != stopRequestedInDirection_~tmp~13#1;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 925600#L2178 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 925599#L2512 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~21#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~21#1; 925596#L2287 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~21#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~21#1; 925594#L2292 timeShift_#t~ret66#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret66#1;havoc timeShift_#t~ret66#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 925580#L1856-1 assume !(1 == stopRequestedInDirection_~dir#1); 925581#L2025-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 925507#L2178-1 timeShift_#t~ret67#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 925508#L2521 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 925342#L2232-2 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~7#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~7#1;isTopFloor_~retValue_acc~7#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~7#1; 925343#L1379-4 continueInDirection_#t~ret43#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~14#1 := continueInDirection_#t~ret43#1;havoc continueInDirection_#t~ret43#1; 925442#L2236-6 assume 0 != continueInDirection_~tmp~14#1;~currentHeading~0 := 0; 925443#L2242-8 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 925629#L2248-5 assume { :end_inline_continueInDirection } true; 956881#L2521-2 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 956876#L1652 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 956875#L595 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 956874#L596 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 956865#L1661 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 956846#L600 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 956836#L655 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 956834#L2536 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 956833#L198-2 [2021-12-14 23:31:03,078 INFO L793 eck$LassoCheckResult]: Loop: 956833#L198-2 assume !false; 956832#L199 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 956831#L202 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~10#1;havoc isBlocked_~retValue_acc~10#1;isBlocked_~retValue_acc~10#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~10#1; 956830#L1499 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 956829#L206 assume 1 != cleanup_~tmp___0~0#1; 956828#L206-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret31#1, isIdle_~retValue_acc~17#1, isIdle_~tmp~12#1;havoc isIdle_~retValue_acc~17#1;havoc isIdle_~tmp~12#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret26#1, anyStopRequested_#t~ret27#1, anyStopRequested_#t~ret28#1, anyStopRequested_#t~ret29#1, anyStopRequested_#t~ret30#1, anyStopRequested_~retValue_acc~16#1, anyStopRequested_~tmp~11#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~2#1, anyStopRequested_~tmp___2~2#1, anyStopRequested_~tmp___3~1#1;havoc anyStopRequested_~retValue_acc~16#1;havoc anyStopRequested_~tmp~11#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~2#1;havoc anyStopRequested_~tmp___2~2#1;havoc anyStopRequested_~tmp___3~1#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 956827#L805-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 956826#L832-21 anyStopRequested_#t~ret26#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~1#1 := anyStopRequested_#t~ret26#1;havoc anyStopRequested_#t~ret26#1; 956824#L1760 assume !(0 != anyStopRequested_~tmp___3~1#1); 956822#L1764 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 956821#L805-22 assume !(0 == isFloorCalling_~floorID#1); 956819#L809-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 956820#L832-22 anyStopRequested_#t~ret27#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~2#1 := anyStopRequested_#t~ret27#1;havoc anyStopRequested_#t~ret27#1; 956795#L1771 assume 0 != anyStopRequested_~tmp___2~2#1;anyStopRequested_~retValue_acc~16#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; 956785#L1824 isIdle_#t~ret31#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~12#1 := isIdle_#t~ret31#1;havoc isIdle_#t~ret31#1;isIdle_~retValue_acc~17#1 := (if 0 == isIdle_~tmp~12#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~17#1; 956783#L1837 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 956780#L218 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 956775#L805-26 assume !(0 == isFloorCalling_~floorID#1); 956776#L809-26 assume !(1 == isFloorCalling_~floorID#1); 935658#L813-26 assume 2 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_2~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 935656#L832-26 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 935654#L2265-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 935652#L1669-1 assume !(0 == buttonForFloorIsPressed_~floorID#1); 935650#L1673-1 assume !(1 == buttonForFloorIsPressed_~floorID#1); 935644#L1677-1 assume 2 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_2~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 935642#L1690-1 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 935639#L2272-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 935637#L2277-1 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 935634#L2413-2 assume !(0 != timeShift_~tmp___9~2#1); 935630#L2504-3 assume !(1 == ~doorState~0); 935631#L2504-5 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 957004#L1856-2 assume !(1 == stopRequestedInDirection_~dir#1); 957003#L2025-2 assume !(0 == ~currentFloorID~0); 957001#L2031-2 assume ~currentFloorID~0 > 0; 957000#L2032-2 assume 0 != stopRequestedInDirection_~respectFloorCalls#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 956983#L805-32 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 956978#L832-32 stopRequestedInDirection_#t~ret38#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedInDirection_~tmp___9~0#1 := stopRequestedInDirection_#t~ret38#1;havoc stopRequestedInDirection_#t~ret38#1; 956960#L2036-2 assume 0 != stopRequestedInDirection_~tmp___9~0#1;stopRequestedInDirection_~retValue_acc~18#1 := 1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 956958#L2178-2 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 956956#L2512-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 956955#L2232-3 assume !(1 == ~currentHeading~0); 956954#L2242-9 assume !(0 == ~currentFloorID~0); 943795#L2242-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 956883#L2248-7 assume { :end_inline_continueInDirection } true; 956880#L2521-5 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 956879#L1652-1 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 956878#L595-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 956877#L596-1 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 956872#L1661-5 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 956857#L600-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 956837#L655-1 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 956835#L2536-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 956833#L198-2 [2021-12-14 23:31:03,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:31:03,078 INFO L85 PathProgramCache]: Analyzing trace with hash 162603324, now seen corresponding path program 3 times [2021-12-14 23:31:03,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:31:03,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644996848] [2021-12-14 23:31:03,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:31:03,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:31:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:31:03,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:31:03,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:31:03,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644996848] [2021-12-14 23:31:03,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644996848] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:31:03,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:31:03,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:31:03,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646991097] [2021-12-14 23:31:03,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:31:03,099 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:31:03,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:31:03,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1624838456, now seen corresponding path program 1 times [2021-12-14 23:31:03,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:31:03,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958966327] [2021-12-14 23:31:03,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:31:03,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:31:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:31:03,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:31:03,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:31:03,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958966327] [2021-12-14 23:31:03,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958966327] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:31:03,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:31:03,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 23:31:03,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694108157] [2021-12-14 23:31:03,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:31:03,129 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:31:03,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:31:03,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 23:31:03,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-14 23:31:03,130 INFO L87 Difference]: Start difference. First operand 77938 states and 141893 transitions. cyclomatic complexity: 63956 Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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) [2021-12-14 23:31:04,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:31:04,237 INFO L93 Difference]: Finished difference Result 94056 states and 170423 transitions. [2021-12-14 23:31:04,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-14 23:31:04,242 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94056 states and 170423 transitions. [2021-12-14 23:31:04,590 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 85482 [2021-12-14 23:31:05,153 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94056 states to 94056 states and 170423 transitions. [2021-12-14 23:31:05,153 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 94056 [2021-12-14 23:31:05,206 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 94056 [2021-12-14 23:31:05,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 94056 states and 170423 transitions. [2021-12-14 23:31:05,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:31:05,247 INFO L681 BuchiCegarLoop]: Abstraction has 94056 states and 170423 transitions. [2021-12-14 23:31:05,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94056 states and 170423 transitions. [2021-12-14 23:31:05,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94056 to 44360. [2021-12-14 23:31:05,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44360 states, 44360 states have (on average 1.816433724075744) internal successors, (80577), 44359 states have internal predecessors, (80577), 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) [2021-12-14 23:31:05,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44360 states to 44360 states and 80577 transitions. [2021-12-14 23:31:05,772 INFO L704 BuchiCegarLoop]: Abstraction has 44360 states and 80577 transitions. [2021-12-14 23:31:05,772 INFO L587 BuchiCegarLoop]: Abstraction has 44360 states and 80577 transitions. [2021-12-14 23:31:05,772 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-12-14 23:31:05,772 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44360 states and 80577 transitions. [2021-12-14 23:31:05,889 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39002 [2021-12-14 23:31:05,889 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:31:05,889 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:31:05,890 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] [2021-12-14 23:31:05,891 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-14 23:31:05,891 INFO L791 eck$LassoCheckResult]: Stem: 1096026#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);~cleanupTimeShifts~0 := 12;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 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;~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;~head~0.base, ~head~0.offset := 0, 0; 1096027#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~1#1, main_~tmp~8#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 1095983#L1406 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1095754#L1399 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 1095755#L1414 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 1097017#L399 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 1097234#L368 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 1097235#L550 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~3#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~3#1; 1096908#L458 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 1095996#L483 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 1095997#L1076 assume 0 == initPersonOnFloor_~floor#1; 1096332#L1077 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 1095318#L1184-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 1095319#L868 assume !(0 == callOnFloor_~floorID#1); 1097390#L871 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 1097467#L880-2 assume { :end_inline_callOnFloor } true; 1110804#L1220 assume { :end_inline_initPersonOnFloor } true; 1110803#L168 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 1110802#L805 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 1110801#L832 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 1110800#L2265 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 1110798#L1669 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 1110796#L1690 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 1110794#L2272 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 1110788#L2277 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 1110786#L2413 assume !(0 != timeShift_~tmp___9~2#1); 1097304#L2504 assume !(1 == ~doorState~0); 1097306#L2504-2 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1097310#L1856 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~7#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~7#1;isTopFloor_~retValue_acc~7#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~7#1; 1095269#L1379 stopRequestedInDirection_#t~ret32#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~13#1 := stopRequestedInDirection_#t~ret32#1;havoc stopRequestedInDirection_#t~ret32#1; 1095270#L1860 assume 0 != stopRequestedInDirection_~tmp~13#1;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 1097346#L2178 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 1097378#L2512 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~21#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~21#1; 1097379#L2287 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~21#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~21#1; 1097563#L2292 timeShift_#t~ret66#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret66#1;havoc timeShift_#t~ret66#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1097561#L1856-1 assume !(1 == stopRequestedInDirection_~dir#1); 1097562#L2025-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 1097487#L2178-1 timeShift_#t~ret67#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 1097488#L2521 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 1097344#L2232-2 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~7#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~7#1;isTopFloor_~retValue_acc~7#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~7#1; 1097345#L1379-4 continueInDirection_#t~ret43#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~14#1 := continueInDirection_#t~ret43#1;havoc continueInDirection_#t~ret43#1; 1097429#L2236-6 assume 0 != continueInDirection_~tmp~14#1;~currentHeading~0 := 0; 1097430#L2242-8 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 1097590#L2248-5 assume { :end_inline_continueInDirection } true; 1097582#L2521-2 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 1097583#L1652 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 1097578#L595 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 1097579#L596 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 1097434#L1661 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 1097435#L600 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 1095976#L655 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 1097465#L2536 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 1097466#L198-2 [2021-12-14 23:31:05,891 INFO L793 eck$LassoCheckResult]: Loop: 1097466#L198-2 assume !false; 1138257#L199 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 1137959#L202 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~10#1;havoc isBlocked_~retValue_acc~10#1;isBlocked_~retValue_acc~10#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~10#1; 1137942#L1499 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 1137937#L206 assume 1 != cleanup_~tmp___0~0#1; 1135517#L206-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret31#1, isIdle_~retValue_acc~17#1, isIdle_~tmp~12#1;havoc isIdle_~retValue_acc~17#1;havoc isIdle_~tmp~12#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret26#1, anyStopRequested_#t~ret27#1, anyStopRequested_#t~ret28#1, anyStopRequested_#t~ret29#1, anyStopRequested_#t~ret30#1, anyStopRequested_~retValue_acc~16#1, anyStopRequested_~tmp~11#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~2#1, anyStopRequested_~tmp___2~2#1, anyStopRequested_~tmp___3~1#1;havoc anyStopRequested_~retValue_acc~16#1;havoc anyStopRequested_~tmp~11#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~2#1;havoc anyStopRequested_~tmp___2~2#1;havoc anyStopRequested_~tmp___3~1#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 1135516#L805-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 1135515#L832-21 anyStopRequested_#t~ret26#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~1#1 := anyStopRequested_#t~ret26#1;havoc anyStopRequested_#t~ret26#1; 1135514#L1760 assume !(0 != anyStopRequested_~tmp___3~1#1); 1135513#L1764 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 1135512#L805-22 assume !(0 == isFloorCalling_~floorID#1); 1135511#L809-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 1135510#L832-22 anyStopRequested_#t~ret27#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~2#1 := anyStopRequested_#t~ret27#1;havoc anyStopRequested_#t~ret27#1; 1135442#L1771 assume 0 != anyStopRequested_~tmp___2~2#1;anyStopRequested_~retValue_acc~16#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; 1135396#L1824 isIdle_#t~ret31#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~12#1 := isIdle_#t~ret31#1;havoc isIdle_#t~ret31#1;isIdle_~retValue_acc~17#1 := (if 0 == isIdle_~tmp~12#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~17#1; 1135229#L1837 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 1116629#L218 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 1116630#L805-26 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 1134917#L832-26 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 1136712#L2265-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 1136711#L1669-1 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 1136710#L1690-1 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 1136709#L2272-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 1136703#L2277-1 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 1136700#L2413-2 assume !(0 != timeShift_~tmp___9~2#1); 1136699#L2504-3 assume !(1 == ~doorState~0); 1097326#L2504-5 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1097327#L1856-2 assume !(1 == stopRequestedInDirection_~dir#1); 1137763#L2025-2 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 1138481#L2178-2 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 1138480#L2512-2 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~21#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~21#1; 1138478#L2287-2 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~21#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~21#1; 1138476#L2292-2 timeShift_#t~ret66#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret66#1;havoc timeShift_#t~ret66#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1138475#L1856-3 assume !(1 == stopRequestedInDirection_~dir#1); 1138466#L2025-3 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 1138423#L2178-3 timeShift_#t~ret67#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 1138424#L2521-3 assume 0 != timeShift_~tmp___7~2#1;assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~21#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~21#1; 1138311#L2287-3 assume 0 == getReverseHeading_~ofHeading#1;getReverseHeading_~retValue_acc~21#1 := 1;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~21#1; 1138310#L2292-3 timeShift_#t~ret68#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___5~2#1 := timeShift_#t~ret68#1;havoc timeShift_#t~ret68#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := timeShift_~tmp___5~2#1;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 1138309#L2232-4 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~7#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~7#1;isTopFloor_~retValue_acc~7#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~7#1; 1095750#L1379-8 continueInDirection_#t~ret43#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~14#1 := continueInDirection_#t~ret43#1;havoc continueInDirection_#t~ret43#1; 1095751#L2236-12 assume 0 != continueInDirection_~tmp~14#1;~currentHeading~0 := 0; 1097336#L2242-14 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 1138837#L2248-9 assume { :end_inline_continueInDirection } true; 1138836#L2521-5 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 1138835#L1652-1 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 1138834#L595-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 1138832#L596-1 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 1138833#L1661-5 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 1138823#L600-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 1138814#L655-1 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 1138813#L2536-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 1097466#L198-2 [2021-12-14 23:31:05,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:31:05,891 INFO L85 PathProgramCache]: Analyzing trace with hash 162603324, now seen corresponding path program 4 times [2021-12-14 23:31:05,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:31:05,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305402595] [2021-12-14 23:31:05,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:31:05,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:31:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:31:05,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:31:05,909 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:31:05,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305402595] [2021-12-14 23:31:05,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305402595] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:31:05,909 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:31:05,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:31:05,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456579856] [2021-12-14 23:31:05,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:31:05,910 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:31:05,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:31:05,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1197255605, now seen corresponding path program 1 times [2021-12-14 23:31:05,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:31:05,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454545003] [2021-12-14 23:31:05,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:31:05,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:31:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:31:05,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:31:05,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:31:05,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454545003] [2021-12-14 23:31:05,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454545003] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:31:05,926 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:31:05,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 23:31:05,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911487573] [2021-12-14 23:31:05,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:31:05,926 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:31:05,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:31:05,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 23:31:05,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 23:31:05,927 INFO L87 Difference]: Start difference. First operand 44360 states and 80577 transitions. cyclomatic complexity: 36219 Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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) [2021-12-14 23:31:06,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:31:06,475 INFO L93 Difference]: Finished difference Result 76144 states and 138293 transitions. [2021-12-14 23:31:06,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 23:31:06,479 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76144 states and 138293 transitions. [2021-12-14 23:31:06,767 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70326 [2021-12-14 23:31:06,969 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76144 states to 76088 states and 138133 transitions. [2021-12-14 23:31:06,969 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 76088 [2021-12-14 23:31:07,025 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 76088 [2021-12-14 23:31:07,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 76088 states and 138133 transitions. [2021-12-14 23:31:07,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:31:07,069 INFO L681 BuchiCegarLoop]: Abstraction has 76088 states and 138133 transitions. [2021-12-14 23:31:07,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76088 states and 138133 transitions. [2021-12-14 23:31:07,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76088 to 44272. [2021-12-14 23:31:07,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44272 states, 44272 states have (on average 1.8124548247199133) internal successors, (80241), 44271 states have internal predecessors, (80241), 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) [2021-12-14 23:31:07,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44272 states to 44272 states and 80241 transitions. [2021-12-14 23:31:07,823 INFO L704 BuchiCegarLoop]: Abstraction has 44272 states and 80241 transitions. [2021-12-14 23:31:07,823 INFO L587 BuchiCegarLoop]: Abstraction has 44272 states and 80241 transitions. [2021-12-14 23:31:07,823 INFO L425 BuchiCegarLoop]: ======== Iteration 18============ [2021-12-14 23:31:07,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44272 states and 80241 transitions. [2021-12-14 23:31:07,952 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 38918 [2021-12-14 23:31:07,953 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:31:07,953 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:31:07,954 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] [2021-12-14 23:31:07,954 INFO L843 BuchiCegarLoop]: Counterexample loop 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, 1] [2021-12-14 23:31:07,955 INFO L791 eck$LassoCheckResult]: Stem: 1216550#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);~cleanupTimeShifts~0 := 12;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 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;~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;~head~0.base, ~head~0.offset := 0, 0; 1216551#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~1#1, main_~tmp~8#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 1216508#L1406 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1216276#L1399 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 1216277#L1414 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 1217542#L399 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 1217748#L368 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 1217749#L550 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~3#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~3#1; 1217437#L458 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 1216521#L483 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 1216522#L1076 assume 0 == initPersonOnFloor_~floor#1; 1216855#L1077 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 1215837#L1184-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 1215838#L868 assume !(0 == callOnFloor_~floorID#1); 1217904#L871 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 1217980#L880-2 assume { :end_inline_callOnFloor } true; 1219788#L1220 assume { :end_inline_initPersonOnFloor } true; 1219787#L168 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 1219786#L805 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 1219785#L832 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 1219784#L2265 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 1219783#L1669 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 1219782#L1690 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 1219780#L2272 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 1219779#L2277 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 1219777#L2413 assume !(0 != timeShift_~tmp___9~2#1); 1219776#L2504 assume !(1 == ~doorState~0); 1217824#L2504-2 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1216368#L1856 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~7#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~7#1;isTopFloor_~retValue_acc~7#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~7#1; 1215786#L1379 stopRequestedInDirection_#t~ret32#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~13#1 := stopRequestedInDirection_#t~ret32#1;havoc stopRequestedInDirection_#t~ret32#1; 1215787#L1860 assume 0 != stopRequestedInDirection_~tmp~13#1;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 1217227#L2178 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 1217303#L2512 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~21#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~21#1; 1240093#L2287 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~21#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~21#1; 1240184#L2292 timeShift_#t~ret66#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret66#1;havoc timeShift_#t~ret66#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1240182#L1856-1 assume !(1 == stopRequestedInDirection_~dir#1); 1240183#L2025-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 1218003#L2178-1 timeShift_#t~ret67#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 1218004#L2521 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 1240094#L2232-2 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~7#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~7#1;isTopFloor_~retValue_acc~7#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~7#1; 1240225#L1379-4 continueInDirection_#t~ret43#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~14#1 := continueInDirection_#t~ret43#1;havoc continueInDirection_#t~ret43#1; 1240224#L2236-6 assume 0 != continueInDirection_~tmp~14#1;~currentHeading~0 := 0; 1240223#L2242-8 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 1240091#L2248-5 assume { :end_inline_continueInDirection } true; 1240085#L2521-2 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 1240081#L1652 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 1240078#L595 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 1240076#L596 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 1240077#L1661 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 1239778#L600 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 1239766#L655 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 1239760#L2536 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 1239753#L198-2 [2021-12-14 23:31:07,955 INFO L793 eck$LassoCheckResult]: Loop: 1239753#L198-2 assume !false; 1239740#L199 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 1239734#L202 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~10#1;havoc isBlocked_~retValue_acc~10#1;isBlocked_~retValue_acc~10#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~10#1; 1239730#L1499 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 1239728#L206 assume 1 != cleanup_~tmp___0~0#1; 1239663#L206-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret31#1, isIdle_~retValue_acc~17#1, isIdle_~tmp~12#1;havoc isIdle_~retValue_acc~17#1;havoc isIdle_~tmp~12#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret26#1, anyStopRequested_#t~ret27#1, anyStopRequested_#t~ret28#1, anyStopRequested_#t~ret29#1, anyStopRequested_#t~ret30#1, anyStopRequested_~retValue_acc~16#1, anyStopRequested_~tmp~11#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~2#1, anyStopRequested_~tmp___2~2#1, anyStopRequested_~tmp___3~1#1;havoc anyStopRequested_~retValue_acc~16#1;havoc anyStopRequested_~tmp~11#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~2#1;havoc anyStopRequested_~tmp___2~2#1;havoc anyStopRequested_~tmp___3~1#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 1239661#L805-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 1239659#L832-21 anyStopRequested_#t~ret26#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~1#1 := anyStopRequested_#t~ret26#1;havoc anyStopRequested_#t~ret26#1; 1239653#L1760 assume !(0 != anyStopRequested_~tmp___3~1#1); 1239645#L1764 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 1239642#L805-22 assume !(0 == isFloorCalling_~floorID#1); 1239639#L809-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 1239640#L832-22 anyStopRequested_#t~ret27#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~2#1 := anyStopRequested_#t~ret27#1;havoc anyStopRequested_#t~ret27#1; 1230333#L1771 assume 0 != anyStopRequested_~tmp___2~2#1;anyStopRequested_~retValue_acc~16#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; 1230262#L1824 isIdle_#t~ret31#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~12#1 := isIdle_#t~ret31#1;havoc isIdle_#t~ret31#1;isIdle_~retValue_acc~17#1 := (if 0 == isIdle_~tmp~12#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~17#1; 1220837#L1837 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 1220757#L218 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 1220750#L805-26 assume !(0 == isFloorCalling_~floorID#1); 1220751#L809-26 assume !(1 == isFloorCalling_~floorID#1); 1219505#L813-26 assume 2 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_2~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 1219503#L832-26 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 1219501#L2265-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 1219499#L1669-1 assume !(0 == buttonForFloorIsPressed_~floorID#1); 1219497#L1673-1 assume !(1 == buttonForFloorIsPressed_~floorID#1); 1219491#L1677-1 assume 2 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_2~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 1219489#L1690-1 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 1219486#L2272-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 1219484#L2277-1 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 1219481#L2413-2 assume !(0 != timeShift_~tmp___9~2#1); 1219478#L2504-3 assume !(1 == ~doorState~0); 1219479#L2504-5 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1240323#L1856-2 assume !(1 == stopRequestedInDirection_~dir#1); 1240321#L2025-2 assume !(0 == ~currentFloorID~0); 1240317#L2031-2 assume !(~currentFloorID~0 > 0); 1240315#L2046-2 assume !(~currentFloorID~0 > 0); 1240305#L2059-2 assume !(~currentFloorID~0 > 1); 1240306#L2075-2 assume ~currentFloorID~0 > 1; 1240273#L2077-2 assume 0 != stopRequestedInDirection_~respectInLiftCalls#1; 1240260#L2078-2 assume 0 != ~floorButtons_1~0;stopRequestedInDirection_~retValue_acc~18#1 := 1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 1240249#L2178-2 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 1240243#L2512-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 1240239#L2232-3 assume !(1 == ~currentHeading~0); 1240235#L2242-9 assume !(0 == ~currentFloorID~0); 1219081#L2242-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 1240230#L2248-7 assume { :end_inline_continueInDirection } true; 1240226#L2521-5 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 1240086#L1652-1 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 1240083#L595-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 1240082#L596-1 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 1240080#L1661-5 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 1239789#L600-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 1239767#L655-1 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 1239761#L2536-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 1239753#L198-2 [2021-12-14 23:31:07,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:31:07,955 INFO L85 PathProgramCache]: Analyzing trace with hash 162603324, now seen corresponding path program 5 times [2021-12-14 23:31:07,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:31:07,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158001795] [2021-12-14 23:31:07,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:31:07,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:31:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:31:07,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:31:07,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:31:07,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158001795] [2021-12-14 23:31:07,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158001795] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:31:07,981 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:31:07,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:31:07,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504979537] [2021-12-14 23:31:07,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:31:07,981 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:31:07,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:31:07,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1311272143, now seen corresponding path program 1 times [2021-12-14 23:31:07,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:31:07,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467282133] [2021-12-14 23:31:07,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:31:07,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:31:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:31:08,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:31:08,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:31:08,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467282133] [2021-12-14 23:31:08,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467282133] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:31:08,014 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:31:08,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 23:31:08,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109371732] [2021-12-14 23:31:08,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:31:08,015 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:31:08,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:31:08,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 23:31:08,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 23:31:08,016 INFO L87 Difference]: Start difference. First operand 44272 states and 80241 transitions. cyclomatic complexity: 35971 Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2021-12-14 23:31:08,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:31:08,152 INFO L93 Difference]: Finished difference Result 44272 states and 80235 transitions. [2021-12-14 23:31:08,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 23:31:08,153 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44272 states and 80235 transitions. [2021-12-14 23:31:08,322 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 38918 [2021-12-14 23:31:08,433 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44272 states to 44272 states and 80235 transitions. [2021-12-14 23:31:08,433 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44272 [2021-12-14 23:31:08,468 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44272 [2021-12-14 23:31:08,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44272 states and 80235 transitions. [2021-12-14 23:31:08,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:31:08,502 INFO L681 BuchiCegarLoop]: Abstraction has 44272 states and 80235 transitions. [2021-12-14 23:31:08,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44272 states and 80235 transitions. [2021-12-14 23:31:09,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44272 to 44272. [2021-12-14 23:31:09,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44272 states, 44272 states have (on average 1.812319298879653) internal successors, (80235), 44271 states have internal predecessors, (80235), 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) [2021-12-14 23:31:09,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44272 states to 44272 states and 80235 transitions. [2021-12-14 23:31:09,173 INFO L704 BuchiCegarLoop]: Abstraction has 44272 states and 80235 transitions. [2021-12-14 23:31:09,173 INFO L587 BuchiCegarLoop]: Abstraction has 44272 states and 80235 transitions. [2021-12-14 23:31:09,173 INFO L425 BuchiCegarLoop]: ======== Iteration 19============ [2021-12-14 23:31:09,173 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44272 states and 80235 transitions. [2021-12-14 23:31:09,286 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 38918 [2021-12-14 23:31:09,286 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:31:09,286 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:31:09,288 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, 1, 1, 1, 1, 1] [2021-12-14 23:31:09,288 INFO L843 BuchiCegarLoop]: Counterexample loop 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, 1] [2021-12-14 23:31:09,288 INFO L791 eck$LassoCheckResult]: Stem: 1305092#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);~cleanupTimeShifts~0 := 12;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 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;~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;~head~0.base, ~head~0.offset := 0, 0; 1305093#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~1#1, main_~tmp~8#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 1305049#L1406 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1304818#L1399 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 1304819#L1414 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 1306040#L399 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 1306237#L368 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 1306238#L550 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~3#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~3#1; 1305945#L458 assume !(0 == getOrigin_~person#1); 1305946#L462 assume !(1 == getOrigin_~person#1); 1306072#L466 assume !(2 == getOrigin_~person#1); 1305687#L470 assume !(3 == getOrigin_~person#1); 1305688#L474 assume !(4 == getOrigin_~person#1); 1305904#L478 assume 5 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 1;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 1305062#L483 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 1305063#L1076 assume 0 == initPersonOnFloor_~floor#1; 1305390#L1077 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 1304384#L1184-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 1304385#L868 assume !(0 == callOnFloor_~floorID#1); 1306379#L871 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 1306433#L880-2 assume { :end_inline_callOnFloor } true; 1320436#L1220 assume { :end_inline_initPersonOnFloor } true; 1320435#L168 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 1320434#L805 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 1320433#L832 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 1320432#L2265 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 1320431#L1669 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 1320430#L1690 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 1320428#L2272 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 1320427#L2277 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 1320425#L2413 assume !(0 != timeShift_~tmp___9~2#1); 1320423#L2504 assume !(1 == ~doorState~0); 1320424#L2504-2 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1326045#L1856 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~7#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~7#1;isTopFloor_~retValue_acc~7#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~7#1; 1326044#L1379 stopRequestedInDirection_#t~ret32#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~13#1 := stopRequestedInDirection_#t~ret32#1;havoc stopRequestedInDirection_#t~ret32#1; 1326042#L1860 assume 0 != stopRequestedInDirection_~tmp~13#1;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 1325935#L2178 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 1326094#L2512 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~21#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~21#1; 1325912#L2287 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~21#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~21#1; 1326092#L2292 timeShift_#t~ret66#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret66#1;havoc timeShift_#t~ret66#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1326090#L1856-1 assume !(1 == stopRequestedInDirection_~dir#1); 1325966#L2025-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 1325926#L2178-1 timeShift_#t~ret67#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 1325915#L2521 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 1325903#L2232-2 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~7#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~7#1;isTopFloor_~retValue_acc~7#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~7#1; 1325891#L1379-4 continueInDirection_#t~ret43#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~14#1 := continueInDirection_#t~ret43#1;havoc continueInDirection_#t~ret43#1; 1325888#L2236-6 assume 0 != continueInDirection_~tmp~14#1;~currentHeading~0 := 0; 1325882#L2242-8 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 1325878#L2248-5 assume { :end_inline_continueInDirection } true; 1325874#L2521-2 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 1325872#L1652 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 1325869#L595 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 1325868#L596 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 1325861#L1661 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 1325841#L600 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 1325831#L655 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 1325829#L2536 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 1325828#L198-2 [2021-12-14 23:31:09,288 INFO L793 eck$LassoCheckResult]: Loop: 1325828#L198-2 assume !false; 1325827#L199 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 1325826#L202 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~10#1;havoc isBlocked_~retValue_acc~10#1;isBlocked_~retValue_acc~10#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~10#1; 1325825#L1499 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 1325824#L206 assume 1 != cleanup_~tmp___0~0#1; 1325823#L206-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret31#1, isIdle_~retValue_acc~17#1, isIdle_~tmp~12#1;havoc isIdle_~retValue_acc~17#1;havoc isIdle_~tmp~12#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret26#1, anyStopRequested_#t~ret27#1, anyStopRequested_#t~ret28#1, anyStopRequested_#t~ret29#1, anyStopRequested_#t~ret30#1, anyStopRequested_~retValue_acc~16#1, anyStopRequested_~tmp~11#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~2#1, anyStopRequested_~tmp___2~2#1, anyStopRequested_~tmp___3~1#1;havoc anyStopRequested_~retValue_acc~16#1;havoc anyStopRequested_~tmp~11#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~2#1;havoc anyStopRequested_~tmp___2~2#1;havoc anyStopRequested_~tmp___3~1#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 1324189#L805-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 1322193#L832-21 anyStopRequested_#t~ret26#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~1#1 := anyStopRequested_#t~ret26#1;havoc anyStopRequested_#t~ret26#1; 1320918#L1760 assume !(0 != anyStopRequested_~tmp___3~1#1); 1320916#L1764 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 1320915#L805-22 assume !(0 == isFloorCalling_~floorID#1); 1320913#L809-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 1320914#L832-22 anyStopRequested_#t~ret27#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~2#1 := anyStopRequested_#t~ret27#1;havoc anyStopRequested_#t~ret27#1; 1320555#L1771 assume 0 != anyStopRequested_~tmp___2~2#1;anyStopRequested_~retValue_acc~16#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; 1320546#L1824 isIdle_#t~ret31#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~12#1 := isIdle_#t~ret31#1;havoc isIdle_#t~ret31#1;isIdle_~retValue_acc~17#1 := (if 0 == isIdle_~tmp~12#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~17#1; 1320544#L1837 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 1320542#L218 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 1320540#L805-26 assume !(0 == isFloorCalling_~floorID#1); 1320541#L809-26 assume !(1 == isFloorCalling_~floorID#1); 1316884#L813-26 assume 2 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_2~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 1316527#L832-26 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 1316526#L2265-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 1316525#L1669-1 assume !(0 == buttonForFloorIsPressed_~floorID#1); 1316524#L1673-1 assume !(1 == buttonForFloorIsPressed_~floorID#1); 1316304#L1677-1 assume 2 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_2~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 1316214#L1690-1 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 1316212#L2272-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 1316211#L2277-1 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 1316209#L2413-2 assume !(0 != timeShift_~tmp___9~2#1); 1316199#L2504-3 assume !(1 == ~doorState~0); 1316190#L2504-5 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1316181#L1856-2 assume !(1 == stopRequestedInDirection_~dir#1); 1316182#L2025-2 assume !(0 == ~currentFloorID~0); 1326361#L2031-2 assume !(~currentFloorID~0 > 0); 1326359#L2046-2 assume !(~currentFloorID~0 > 0); 1326358#L2059-2 assume !(~currentFloorID~0 > 1); 1316033#L2075-2 assume ~currentFloorID~0 > 1; 1316034#L2077-2 assume 0 != stopRequestedInDirection_~respectInLiftCalls#1; 1325986#L2078-2 assume 0 != ~floorButtons_1~0;stopRequestedInDirection_~retValue_acc~18#1 := 1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 1325931#L2178-2 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 1325920#L2512-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 1325907#L2232-3 assume !(1 == ~currentHeading~0); 1325896#L2242-9 assume !(0 == ~currentFloorID~0); 1315013#L2242-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 1325884#L2248-7 assume { :end_inline_continueInDirection } true; 1325879#L2521-5 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 1325875#L1652-1 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 1325873#L595-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 1325871#L596-1 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 1325867#L1661-5 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 1325852#L600-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 1325832#L655-1 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 1325830#L2536-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 1325828#L198-2 [2021-12-14 23:31:09,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:31:09,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1807054515, now seen corresponding path program 1 times [2021-12-14 23:31:09,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:31:09,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670983781] [2021-12-14 23:31:09,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:31:09,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:31:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:31:09,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:31:09,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:31:09,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670983781] [2021-12-14 23:31:09,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670983781] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:31:09,325 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:31:09,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 23:31:09,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226674575] [2021-12-14 23:31:09,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:31:09,325 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:31:09,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:31:09,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1311272143, now seen corresponding path program 2 times [2021-12-14 23:31:09,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:31:09,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707100393] [2021-12-14 23:31:09,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:31:09,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:31:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:31:09,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:31:09,344 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:31:09,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707100393] [2021-12-14 23:31:09,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707100393] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:31:09,345 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:31:09,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 23:31:09,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856178468] [2021-12-14 23:31:09,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:31:09,345 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:31:09,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:31:09,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 23:31:09,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-14 23:31:09,346 INFO L87 Difference]: Start difference. First operand 44272 states and 80235 transitions. cyclomatic complexity: 35965 Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) [2021-12-14 23:31:10,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:31:10,033 INFO L93 Difference]: Finished difference Result 61924 states and 110948 transitions. [2021-12-14 23:31:10,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 23:31:10,034 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61924 states and 110948 transitions. [2021-12-14 23:31:10,569 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56146 [2021-12-14 23:31:10,721 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61924 states to 61876 states and 110892 transitions. [2021-12-14 23:31:10,722 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 61876 [2021-12-14 23:31:10,767 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 61876 [2021-12-14 23:31:10,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61876 states and 110892 transitions. [2021-12-14 23:31:10,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:31:10,803 INFO L681 BuchiCegarLoop]: Abstraction has 61876 states and 110892 transitions. [2021-12-14 23:31:10,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61876 states and 110892 transitions. [2021-12-14 23:31:11,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61876 to 57284. [2021-12-14 23:31:11,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57284 states, 57284 states have (on average 1.805111374903987) internal successors, (103404), 57283 states have internal predecessors, (103404), 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) [2021-12-14 23:31:11,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57284 states to 57284 states and 103404 transitions. [2021-12-14 23:31:11,341 INFO L704 BuchiCegarLoop]: Abstraction has 57284 states and 103404 transitions. [2021-12-14 23:31:11,341 INFO L587 BuchiCegarLoop]: Abstraction has 57284 states and 103404 transitions. [2021-12-14 23:31:11,341 INFO L425 BuchiCegarLoop]: ======== Iteration 20============ [2021-12-14 23:31:11,341 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57284 states and 103404 transitions. [2021-12-14 23:31:11,705 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51930 [2021-12-14 23:31:11,705 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:31:11,705 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:31:11,707 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, 1, 1, 1, 1, 1] [2021-12-14 23:31:11,707 INFO L843 BuchiCegarLoop]: Counterexample loop 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, 1, 1] [2021-12-14 23:31:11,707 INFO L791 eck$LassoCheckResult]: Stem: 1411295#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);~cleanupTimeShifts~0 := 12;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 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;~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;~head~0.base, ~head~0.offset := 0, 0; 1411296#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~1#1, main_~tmp~8#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 1411251#L1406 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1411024#L1399 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 1411025#L1414 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 1412276#L399 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 1412493#L368 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 1412494#L550 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~3#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~3#1; 1412175#L458 assume !(0 == getOrigin_~person#1); 1412176#L462 assume !(1 == getOrigin_~person#1); 1412315#L466 assume !(2 == getOrigin_~person#1); 1411907#L470 assume !(3 == getOrigin_~person#1); 1411908#L474 assume !(4 == getOrigin_~person#1); 1412130#L478 assume 5 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 1;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 1411265#L483 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 1411266#L1076 assume 0 == initPersonOnFloor_~floor#1; 1411601#L1077 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 1410594#L1184-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 1410595#L868 assume !(0 == callOnFloor_~floorID#1); 1412648#L871 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 1412726#L880-2 assume { :end_inline_callOnFloor } true; 1412751#L1220 assume { :end_inline_initPersonOnFloor } true; 1412747#L168 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 1412748#L805 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 1412743#L832 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 1412744#L2265 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 1411843#L1669 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 1411844#L1690 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 1411362#L2272 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 1411364#L2277 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 1412736#L2413 assume !(0 != timeShift_~tmp___9~2#1); 1412738#L2504 assume !(1 == ~doorState~0); 1412568#L2504-2 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1411117#L1856 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~7#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~7#1;isTopFloor_~retValue_acc~7#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~7#1; 1410544#L1379 stopRequestedInDirection_#t~ret32#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~13#1 := stopRequestedInDirection_#t~ret32#1;havoc stopRequestedInDirection_#t~ret32#1; 1410545#L1860 assume 0 != stopRequestedInDirection_~tmp~13#1;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 1411976#L2178 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 1412050#L2512 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~21#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~21#1; 1412547#L2287 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~21#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~21#1; 1412548#L2292 timeShift_#t~ret66#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret66#1;havoc timeShift_#t~ret66#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1412754#L1856-1 assume !(1 == stopRequestedInDirection_~dir#1); 1412720#L2025-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 1410283#L2178-1 timeShift_#t~ret67#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 1410508#L2521 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 1412410#L2232-2 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~7#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~7#1;isTopFloor_~retValue_acc~7#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~7#1; 1410638#L1379-4 continueInDirection_#t~ret43#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~14#1 := continueInDirection_#t~ret43#1;havoc continueInDirection_#t~ret43#1; 1410639#L2236-6 assume 0 != continueInDirection_~tmp~14#1;~currentHeading~0 := 0; 1412692#L2242-8 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 1437094#L2248-5 assume { :end_inline_continueInDirection } true; 1437093#L2521-2 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 1437092#L1652 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 1437091#L595 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 1437090#L596 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 1437087#L1661 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 1437080#L600 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 1437071#L655 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 1437069#L2536 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 1437070#L198-2 [2021-12-14 23:31:11,708 INFO L793 eck$LassoCheckResult]: Loop: 1437070#L198-2 assume !false; 1453547#L199 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 1453546#L202 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~10#1;havoc isBlocked_~retValue_acc~10#1;isBlocked_~retValue_acc~10#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~10#1; 1453545#L1499 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 1453544#L206 assume 1 != cleanup_~tmp___0~0#1; 1453543#L206-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret31#1, isIdle_~retValue_acc~17#1, isIdle_~tmp~12#1;havoc isIdle_~retValue_acc~17#1;havoc isIdle_~tmp~12#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret26#1, anyStopRequested_#t~ret27#1, anyStopRequested_#t~ret28#1, anyStopRequested_#t~ret29#1, anyStopRequested_#t~ret30#1, anyStopRequested_~retValue_acc~16#1, anyStopRequested_~tmp~11#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~2#1, anyStopRequested_~tmp___2~2#1, anyStopRequested_~tmp___3~1#1;havoc anyStopRequested_~retValue_acc~16#1;havoc anyStopRequested_~tmp~11#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~2#1;havoc anyStopRequested_~tmp___2~2#1;havoc anyStopRequested_~tmp___3~1#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 1453542#L805-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 1433566#L832-21 anyStopRequested_#t~ret26#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~1#1 := anyStopRequested_#t~ret26#1;havoc anyStopRequested_#t~ret26#1; 1433567#L1760 assume !(0 != anyStopRequested_~tmp___3~1#1); 1433559#L1764 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 1433561#L805-22 assume !(0 == isFloorCalling_~floorID#1); 1453937#L809-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 1453936#L832-22 anyStopRequested_#t~ret27#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~2#1 := anyStopRequested_#t~ret27#1;havoc anyStopRequested_#t~ret27#1; 1453928#L1771 assume 0 != anyStopRequested_~tmp___2~2#1;anyStopRequested_~retValue_acc~16#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; 1453916#L1824 isIdle_#t~ret31#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~12#1 := isIdle_#t~ret31#1;havoc isIdle_#t~ret31#1;isIdle_~retValue_acc~17#1 := (if 0 == isIdle_~tmp~12#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~17#1; 1453915#L1837 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 1453914#L218 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 1451656#L805-26 assume !(0 == isFloorCalling_~floorID#1); 1431950#L809-26 assume !(1 == isFloorCalling_~floorID#1); 1425749#L813-26 assume !(2 == isFloorCalling_~floorID#1); 1425745#L817-26 assume 3 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_3~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 1425743#L832-26 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 1425741#L2265-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 1425739#L1669-1 assume !(0 == buttonForFloorIsPressed_~floorID#1); 1425737#L1673-1 assume !(1 == buttonForFloorIsPressed_~floorID#1); 1425731#L1677-1 assume 2 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_2~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 1425729#L1690-1 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 1425726#L2272-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 1425724#L2277-1 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 1425721#L2413-2 assume !(0 != timeShift_~tmp___9~2#1); 1425718#L2504-3 assume !(1 == ~doorState~0); 1425719#L2504-5 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1437308#L1856-2 assume !(1 == stopRequestedInDirection_~dir#1); 1437307#L2025-2 assume !(0 == ~currentFloorID~0); 1437305#L2031-2 assume !(~currentFloorID~0 > 0); 1437303#L2046-2 assume !(~currentFloorID~0 > 0); 1437301#L2059-2 assume !(~currentFloorID~0 > 1); 1437299#L2075-2 assume ~currentFloorID~0 > 1; 1437300#L2077-2 assume 0 != stopRequestedInDirection_~respectInLiftCalls#1; 1437355#L2078-2 assume 0 != ~floorButtons_1~0;stopRequestedInDirection_~retValue_acc~18#1 := 1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 1437210#L2178-2 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 1437197#L2512-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 1437179#L2232-3 assume !(1 == ~currentHeading~0); 1437156#L2242-9 assume !(0 == ~currentFloorID~0); 1420771#L2242-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 1437126#L2248-7 assume { :end_inline_continueInDirection } true; 1437120#L2521-5 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 1437118#L1652-1 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 1437115#L595-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 1437111#L596-1 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 1437109#L1661-5 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 1437110#L600-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 1453549#L655-1 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 1453548#L2536-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 1437070#L198-2 [2021-12-14 23:31:11,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:31:11,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1807054515, now seen corresponding path program 2 times [2021-12-14 23:31:11,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:31:11,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377087162] [2021-12-14 23:31:11,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:31:11,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:31:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:31:11,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:31:11,758 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:31:11,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377087162] [2021-12-14 23:31:11,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377087162] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:31:11,759 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:31:11,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 23:31:11,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324843934] [2021-12-14 23:31:11,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:31:11,760 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:31:11,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:31:11,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1121978036, now seen corresponding path program 1 times [2021-12-14 23:31:11,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:31:11,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922843196] [2021-12-14 23:31:11,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:31:11,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:31:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:31:11,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:31:11,781 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:31:11,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922843196] [2021-12-14 23:31:11,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922843196] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:31:11,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:31:11,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 23:31:11,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922559778] [2021-12-14 23:31:11,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:31:11,782 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:31:11,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:31:11,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 23:31:11,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 23:31:11,783 INFO L87 Difference]: Start difference. First operand 57284 states and 103404 transitions. cyclomatic complexity: 46122 Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 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) [2021-12-14 23:31:12,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:31:12,787 INFO L93 Difference]: Finished difference Result 135056 states and 242124 transitions. [2021-12-14 23:31:12,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 23:31:12,787 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 135056 states and 242124 transitions. [2021-12-14 23:31:13,690 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126478 [2021-12-14 23:31:14,087 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 135056 states to 135056 states and 242124 transitions. [2021-12-14 23:31:14,087 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 135056 [2021-12-14 23:31:14,196 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135056 [2021-12-14 23:31:14,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 135056 states and 242124 transitions. [2021-12-14 23:31:14,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:31:14,297 INFO L681 BuchiCegarLoop]: Abstraction has 135056 states and 242124 transitions. [2021-12-14 23:31:14,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135056 states and 242124 transitions. [2021-12-14 23:31:15,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135056 to 68088. [2021-12-14 23:31:15,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68088 states, 68088 states have (on average 1.8116555046410527) internal successors, (123352), 68087 states have internal predecessors, (123352), 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) [2021-12-14 23:31:15,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68088 states to 68088 states and 123352 transitions. [2021-12-14 23:31:15,573 INFO L704 BuchiCegarLoop]: Abstraction has 68088 states and 123352 transitions. [2021-12-14 23:31:15,573 INFO L587 BuchiCegarLoop]: Abstraction has 68088 states and 123352 transitions. [2021-12-14 23:31:15,573 INFO L425 BuchiCegarLoop]: ======== Iteration 21============ [2021-12-14 23:31:15,573 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68088 states and 123352 transitions. [2021-12-14 23:31:15,761 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62734 [2021-12-14 23:31:15,761 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:31:15,761 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:31:15,763 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, 1, 1, 1, 1, 1] [2021-12-14 23:31:15,763 INFO L843 BuchiCegarLoop]: Counterexample loop 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, 1, 1, 1] [2021-12-14 23:31:15,763 INFO L791 eck$LassoCheckResult]: Stem: 1603676#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);~cleanupTimeShifts~0 := 12;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 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;~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;~head~0.base, ~head~0.offset := 0, 0; 1603677#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~1#1, main_~tmp~8#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 1603633#L1406 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1603398#L1399 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 1603399#L1414 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 1604698#L399 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 1604921#L368 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 1604922#L550 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~3#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~3#1; 1604596#L458 assume !(0 == getOrigin_~person#1); 1604597#L462 assume !(1 == getOrigin_~person#1); 1604733#L466 assume !(2 == getOrigin_~person#1); 1604306#L470 assume !(3 == getOrigin_~person#1); 1604307#L474 assume !(4 == getOrigin_~person#1); 1604547#L478 assume 5 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 1;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 1603646#L483 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 1603647#L1076 assume 0 == initPersonOnFloor_~floor#1; 1603993#L1077 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 1602957#L1184-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 1602958#L868 assume !(0 == callOnFloor_~floorID#1); 1605096#L871 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 1605080#L880-2 assume { :end_inline_callOnFloor } true; 1605081#L1220 assume { :end_inline_initPersonOnFloor } true; 1603477#L168 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 1603478#L805 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 1605207#L832 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 1605208#L2265 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 1604233#L1669 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 1604234#L1690 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 1603744#L2272 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 1603746#L2277 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 1605199#L2413 assume !(0 != timeShift_~tmp___9~2#1); 1605201#L2504 assume !(1 == ~doorState~0); 1605005#L2504-2 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1605006#L1856 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~7#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~7#1;isTopFloor_~retValue_acc~7#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~7#1; 1618969#L1379 stopRequestedInDirection_#t~ret32#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~13#1 := stopRequestedInDirection_#t~ret32#1;havoc stopRequestedInDirection_#t~ret32#1; 1619004#L1860 assume 0 != stopRequestedInDirection_~tmp~13#1;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 1604458#L2178 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 1604459#L2512 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~21#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~21#1; 1604981#L2287 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~21#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~21#1; 1604982#L2292 timeShift_#t~ret66#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret66#1;havoc timeShift_#t~ret66#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1605325#L1856-1 assume !(1 == stopRequestedInDirection_~dir#1); 1619037#L2025-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 1618911#L2178-1 timeShift_#t~ret67#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 1618977#L2521 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 1618907#L2232-2 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~7#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~7#1;isTopFloor_~retValue_acc~7#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~7#1; 1603004#L1379-4 continueInDirection_#t~ret43#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~14#1 := continueInDirection_#t~ret43#1;havoc continueInDirection_#t~ret43#1; 1603005#L2236-6 assume 0 != continueInDirection_~tmp~14#1;~currentHeading~0 := 0; 1602681#L2242-8 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 1602682#L2248-5 assume { :end_inline_continueInDirection } true; 1623440#L2521-2 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 1623439#L1652 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 1623438#L595 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 1623437#L596 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 1623434#L1661 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 1623427#L600 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 1623418#L655 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 1623416#L2536 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 1623417#L198-2 [2021-12-14 23:31:15,764 INFO L793 eck$LassoCheckResult]: Loop: 1623417#L198-2 assume !false; 1649769#L199 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 1649768#L202 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~10#1;havoc isBlocked_~retValue_acc~10#1;isBlocked_~retValue_acc~10#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~10#1; 1649767#L1499 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 1649766#L206 assume 1 != cleanup_~tmp___0~0#1; 1649765#L206-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret31#1, isIdle_~retValue_acc~17#1, isIdle_~tmp~12#1;havoc isIdle_~retValue_acc~17#1;havoc isIdle_~tmp~12#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret26#1, anyStopRequested_#t~ret27#1, anyStopRequested_#t~ret28#1, anyStopRequested_#t~ret29#1, anyStopRequested_#t~ret30#1, anyStopRequested_~retValue_acc~16#1, anyStopRequested_~tmp~11#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~2#1, anyStopRequested_~tmp___2~2#1, anyStopRequested_~tmp___3~1#1;havoc anyStopRequested_~retValue_acc~16#1;havoc anyStopRequested_~tmp~11#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~2#1;havoc anyStopRequested_~tmp___2~2#1;havoc anyStopRequested_~tmp___3~1#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 1649764#L805-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 1649763#L832-21 anyStopRequested_#t~ret26#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~1#1 := anyStopRequested_#t~ret26#1;havoc anyStopRequested_#t~ret26#1; 1649762#L1760 assume !(0 != anyStopRequested_~tmp___3~1#1); 1649761#L1764 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 1623272#L805-22 assume !(0 == isFloorCalling_~floorID#1); 1623262#L809-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 1623260#L832-22 anyStopRequested_#t~ret27#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~2#1 := anyStopRequested_#t~ret27#1;havoc anyStopRequested_#t~ret27#1; 1623261#L1771 assume 0 != anyStopRequested_~tmp___2~2#1;anyStopRequested_~retValue_acc~16#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; 1618776#L1824 isIdle_#t~ret31#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~12#1 := isIdle_#t~ret31#1;havoc isIdle_#t~ret31#1;isIdle_~retValue_acc~17#1 := (if 0 == isIdle_~tmp~12#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~17#1; 1623159#L1837 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 1623056#L218 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 1623057#L805-26 assume !(0 == isFloorCalling_~floorID#1); 1620700#L809-26 assume !(1 == isFloorCalling_~floorID#1); 1620701#L813-26 assume !(2 == isFloorCalling_~floorID#1); 1609940#L817-26 assume 3 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_3~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 1609938#L832-26 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 1609936#L2265-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 1609934#L1669-1 assume !(0 == buttonForFloorIsPressed_~floorID#1); 1609932#L1673-1 assume !(1 == buttonForFloorIsPressed_~floorID#1); 1609930#L1677-1 assume !(2 == buttonForFloorIsPressed_~floorID#1); 1609926#L1681-1 assume 3 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_3~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 1609924#L1690-1 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 1609921#L2272-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 1609919#L2277-1 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 1609916#L2413-2 assume !(0 != timeShift_~tmp___9~2#1); 1609913#L2504-3 assume !(1 == ~doorState~0); 1609914#L2504-5 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1622919#L1856-2 assume !(1 == stopRequestedInDirection_~dir#1); 1622920#L2025-2 assume !(0 == ~currentFloorID~0); 1622915#L2031-2 assume !(~currentFloorID~0 > 0); 1622917#L2046-2 assume !(~currentFloorID~0 > 0); 1622909#L2059-2 assume !(~currentFloorID~0 > 1); 1622910#L2075-2 assume ~currentFloorID~0 > 1; 1630971#L2077-2 assume 0 != stopRequestedInDirection_~respectInLiftCalls#1; 1667702#L2078-2 assume 0 != ~floorButtons_1~0;stopRequestedInDirection_~retValue_acc~18#1 := 1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 1667692#L2178-2 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 1667690#L2512-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 1630626#L2232-3 assume !(1 == ~currentHeading~0); 1623492#L2242-9 assume !(0 == ~currentFloorID~0); 1619274#L2242-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 1623474#L2248-7 assume { :end_inline_continueInDirection } true; 1623473#L2521-5 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 1623468#L1652-1 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 1623469#L595-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 1649784#L596-1 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 1623458#L1661-5 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 1623459#L600-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 1649771#L655-1 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 1649770#L2536-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 1623417#L198-2 [2021-12-14 23:31:15,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:31:15,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1807054515, now seen corresponding path program 3 times [2021-12-14 23:31:15,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:31:15,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128522295] [2021-12-14 23:31:15,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:31:15,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:31:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:31:15,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:31:15,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:31:15,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128522295] [2021-12-14 23:31:15,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128522295] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:31:15,799 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:31:15,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 23:31:15,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521912096] [2021-12-14 23:31:15,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:31:15,799 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:31:15,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:31:15,800 INFO L85 PathProgramCache]: Analyzing trace with hash -567736503, now seen corresponding path program 1 times [2021-12-14 23:31:15,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:31:15,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421341664] [2021-12-14 23:31:15,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:31:15,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:31:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:31:15,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:31:15,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:31:15,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421341664] [2021-12-14 23:31:15,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421341664] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:31:15,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:31:15,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 23:31:15,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854128180] [2021-12-14 23:31:15,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:31:15,821 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:31:15,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:31:15,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 23:31:15,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-14 23:31:15,821 INFO L87 Difference]: Start difference. First operand 68088 states and 123352 transitions. cyclomatic complexity: 55266 Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2021-12-14 23:31:16,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:31:16,589 INFO L93 Difference]: Finished difference Result 98976 states and 177250 transitions. [2021-12-14 23:31:16,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 23:31:16,590 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98976 states and 177250 transitions. [2021-12-14 23:31:17,376 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 92926 [2021-12-14 23:31:17,661 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98976 states to 98656 states and 176866 transitions. [2021-12-14 23:31:17,661 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 98656 [2021-12-14 23:31:17,732 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 98656 [2021-12-14 23:31:17,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98656 states and 176866 transitions. [2021-12-14 23:31:17,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:31:17,795 INFO L681 BuchiCegarLoop]: Abstraction has 98656 states and 176866 transitions. [2021-12-14 23:31:17,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98656 states and 176866 transitions. [2021-12-14 23:31:18,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98656 to 92572. [2021-12-14 23:31:18,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92572 states, 92572 states have (on average 1.8080413083869853) internal successors, (167374), 92571 states have internal predecessors, (167374), 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) [2021-12-14 23:31:18,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92572 states to 92572 states and 167374 transitions. [2021-12-14 23:31:18,843 INFO L704 BuchiCegarLoop]: Abstraction has 92572 states and 167374 transitions. [2021-12-14 23:31:18,843 INFO L587 BuchiCegarLoop]: Abstraction has 92572 states and 167374 transitions. [2021-12-14 23:31:18,843 INFO L425 BuchiCegarLoop]: ======== Iteration 22============ [2021-12-14 23:31:18,843 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92572 states and 167374 transitions. [2021-12-14 23:31:19,097 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 87218 [2021-12-14 23:31:19,098 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:31:19,098 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:31:19,102 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, 1, 1, 1, 1, 1] [2021-12-14 23:31:19,102 INFO L843 BuchiCegarLoop]: Counterexample loop 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, 1, 1, 1, 1] [2021-12-14 23:31:19,102 INFO L791 eck$LassoCheckResult]: Stem: 1770743#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);~cleanupTimeShifts~0 := 12;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 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;~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;~head~0.base, ~head~0.offset := 0, 0; 1770744#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~1#1, main_~tmp~8#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 1770700#L1406 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1770470#L1399 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 1770471#L1414 main_#t~ret17#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 1771742#L399 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 1771965#L368 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 1771966#L550 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~3#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~3#1; 1771644#L458 assume !(0 == getOrigin_~person#1); 1771645#L462 assume !(1 == getOrigin_~person#1); 1771780#L466 assume !(2 == getOrigin_~person#1); 1771362#L470 assume !(3 == getOrigin_~person#1); 1771363#L474 assume !(4 == getOrigin_~person#1); 1771596#L478 assume 5 == getOrigin_~person#1;getOrigin_~retValue_acc~3#1 := 1;getOrigin_#res#1 := getOrigin_~retValue_acc~3#1; 1770714#L483 bigMacCall_#t~ret10#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 1770715#L1076 assume 0 == initPersonOnFloor_~floor#1; 1771054#L1077 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 1770035#L1184-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 1770036#L868 assume !(0 == callOnFloor_~floorID#1); 1772139#L871 assume 1 == callOnFloor_~floorID#1;~calls_1~0 := 1; 1772223#L880-2 assume { :end_inline_callOnFloor } true; 1772247#L1220 assume { :end_inline_initPersonOnFloor } true; 1772243#L168 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 1772244#L805 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 1772239#L832 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 1772240#L2265 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 1771299#L1669 assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 1771300#L1690 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 1770811#L2272 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 1770813#L2277 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 1772232#L2413 assume !(0 != timeShift_~tmp___9~2#1); 1772234#L2504 assume !(1 == ~doorState~0); 1782048#L2504-2 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1786312#L1856 assume 1 == stopRequestedInDirection_~dir#1;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~7#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~7#1;isTopFloor_~retValue_acc~7#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~7#1; 1786311#L1379 stopRequestedInDirection_#t~ret32#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;stopRequestedInDirection_~tmp~13#1 := stopRequestedInDirection_#t~ret32#1;havoc stopRequestedInDirection_#t~ret32#1; 1786310#L1860 assume 0 != stopRequestedInDirection_~tmp~13#1;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 1771510#L2178 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 1771511#L2512 assume !(0 != timeShift_~tmp___8~2#1);assume { :begin_inline_getReverseHeading } true;getReverseHeading_#in~ofHeading#1 := ~currentHeading~0;havoc getReverseHeading_#res#1;havoc getReverseHeading_~ofHeading#1, getReverseHeading_~retValue_acc~21#1;getReverseHeading_~ofHeading#1 := getReverseHeading_#in~ofHeading#1;havoc getReverseHeading_~retValue_acc~21#1; 1772023#L2287 assume !(0 == getReverseHeading_~ofHeading#1);getReverseHeading_~retValue_acc~21#1 := 0;getReverseHeading_#res#1 := getReverseHeading_~retValue_acc~21#1; 1772024#L2292 timeShift_#t~ret66#1 := getReverseHeading_#res#1;assume { :end_inline_getReverseHeading } true;timeShift_~tmp___6~2#1 := timeShift_#t~ret66#1;havoc timeShift_#t~ret66#1;assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := timeShift_~tmp___6~2#1, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1786204#L1856-1 assume !(1 == stopRequestedInDirection_~dir#1); 1772217#L2025-1 assume 0 == ~currentFloorID~0;stopRequestedInDirection_~retValue_acc~18#1 := 0;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 1769722#L2178-1 timeShift_#t~ret67#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___7~2#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 1769948#L2521 assume !(0 != timeShift_~tmp___7~2#1);assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 1771881#L2232-2 assume 1 == ~currentHeading~0;assume { :begin_inline_isTopFloor } true;isTopFloor_#in~floorID#1 := ~currentFloorID~0;havoc isTopFloor_#res#1;havoc isTopFloor_~floorID#1, isTopFloor_~retValue_acc~7#1;isTopFloor_~floorID#1 := isTopFloor_#in~floorID#1;havoc isTopFloor_~retValue_acc~7#1;isTopFloor_~retValue_acc~7#1 := (if 4 == isTopFloor_~floorID#1 then 1 else 0);isTopFloor_#res#1 := isTopFloor_~retValue_acc~7#1; 1770077#L1379-4 continueInDirection_#t~ret43#1 := isTopFloor_#res#1;assume { :end_inline_isTopFloor } true;continueInDirection_~tmp~14#1 := continueInDirection_#t~ret43#1;havoc continueInDirection_#t~ret43#1; 1770078#L2236-6 assume 0 != continueInDirection_~tmp~14#1;~currentHeading~0 := 0; 1772189#L2242-8 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 1789948#L2248-5 assume { :end_inline_continueInDirection } true; 1789947#L2521-2 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 1789946#L1652 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 1789945#L595 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 1789944#L596 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 1789941#L1661 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 1789934#L600 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 1789925#L655 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 1789923#L2536 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 1789921#L198-2 [2021-12-14 23:31:19,102 INFO L793 eck$LassoCheckResult]: Loop: 1789921#L198-2 assume !false; 1789917#L199 cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 1789886#L202 assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~10#1;havoc isBlocked_~retValue_acc~10#1;isBlocked_~retValue_acc~10#1 := 0;isBlocked_#res#1 := isBlocked_~retValue_acc~10#1; 1789877#L1499 cleanup_#t~ret11#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 1789821#L206 assume 1 != cleanup_~tmp___0~0#1; 1789820#L206-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret31#1, isIdle_~retValue_acc~17#1, isIdle_~tmp~12#1;havoc isIdle_~retValue_acc~17#1;havoc isIdle_~tmp~12#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret26#1, anyStopRequested_#t~ret27#1, anyStopRequested_#t~ret28#1, anyStopRequested_#t~ret29#1, anyStopRequested_#t~ret30#1, anyStopRequested_~retValue_acc~16#1, anyStopRequested_~tmp~11#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~2#1, anyStopRequested_~tmp___2~2#1, anyStopRequested_~tmp___3~1#1;havoc anyStopRequested_~retValue_acc~16#1;havoc anyStopRequested_~tmp~11#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~2#1;havoc anyStopRequested_~tmp___2~2#1;havoc anyStopRequested_~tmp___3~1#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 1789670#L805-21 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 1789669#L832-21 anyStopRequested_#t~ret26#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~1#1 := anyStopRequested_#t~ret26#1;havoc anyStopRequested_#t~ret26#1; 1789668#L1760 assume !(0 != anyStopRequested_~tmp___3~1#1); 1789666#L1764 assume !(0 != ~floorButtons_0~0);assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 1;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 1789665#L805-22 assume !(0 == isFloorCalling_~floorID#1); 1789662#L809-22 assume 1 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_1~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 1789663#L832-22 anyStopRequested_#t~ret27#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___2~2#1 := anyStopRequested_#t~ret27#1;havoc anyStopRequested_#t~ret27#1; 1789671#L1771 assume 0 != anyStopRequested_~tmp___2~2#1;anyStopRequested_~retValue_acc~16#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~16#1; 1782433#L1824 isIdle_#t~ret31#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~12#1 := isIdle_#t~ret31#1;havoc isIdle_#t~ret31#1;isIdle_~retValue_acc~17#1 := (if 0 == isIdle_~tmp~12#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~17#1; 1782434#L1837 cleanup_#t~ret12#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 1782361#L218 assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret58#1, timeShift_#t~ret59#1, 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_~tmp~17#1, timeShift_~tmp___0~7#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~17#1;havoc timeShift_~tmp___0~7#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_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1, stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_~retValue_acc~20#1, stopRequestedAtCurrentFloor_~tmp~15#1, stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~20#1;havoc stopRequestedAtCurrentFloor_~tmp~15#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~currentFloorID~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~5#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~5#1; 1782362#L805-26 assume !(0 == isFloorCalling_~floorID#1); 1787870#L809-26 assume !(1 == isFloorCalling_~floorID#1); 1787871#L813-26 assume !(2 == isFloorCalling_~floorID#1); 1781768#L817-26 assume !(3 == isFloorCalling_~floorID#1); 1781766#L821-26 assume 4 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~5#1 := ~calls_4~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~5#1; 1781764#L832-26 stopRequestedAtCurrentFloor_#t~ret44#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret44#1;havoc stopRequestedAtCurrentFloor_#t~ret44#1; 1781762#L2265-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp___0~5#1);assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := ~currentFloorID~0;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; 1781760#L1669-1 assume !(0 == buttonForFloorIsPressed_~floorID#1); 1781758#L1673-1 assume !(1 == buttonForFloorIsPressed_~floorID#1); 1781756#L1677-1 assume !(2 == buttonForFloorIsPressed_~floorID#1); 1781752#L1681-1 assume 3 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_3~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 1781750#L1690-1 stopRequestedAtCurrentFloor_#t~ret45#1 := buttonForFloorIsPressed_#res#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp~15#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1; 1781747#L2272-1 assume !(0 != stopRequestedAtCurrentFloor_~tmp~15#1);stopRequestedAtCurrentFloor_~retValue_acc~20#1 := 0;stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~20#1; 1781745#L2277-1 timeShift_#t~ret58#1 := stopRequestedAtCurrentFloor_#res#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret58#1;havoc timeShift_#t~ret58#1; 1781742#L2413-2 assume !(0 != timeShift_~tmp___9~2#1); 1781739#L2504-3 assume !(1 == ~doorState~0); 1781740#L2504-5 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~ret32#1, stopRequestedInDirection_#t~ret33#1, stopRequestedInDirection_#t~ret34#1, stopRequestedInDirection_#t~ret35#1, stopRequestedInDirection_#t~ret36#1, stopRequestedInDirection_#t~ret37#1, stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_#t~ret42#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~18#1, stopRequestedInDirection_~tmp~13#1, stopRequestedInDirection_~tmp___0~4#1, stopRequestedInDirection_~tmp___1~3#1, stopRequestedInDirection_~tmp___2~3#1, stopRequestedInDirection_~tmp___3~2#1, stopRequestedInDirection_~tmp___4~1#1, stopRequestedInDirection_~tmp___5~0#1, stopRequestedInDirection_~tmp___6~0#1, stopRequestedInDirection_~tmp___7~0#1, stopRequestedInDirection_~tmp___8~0#1, stopRequestedInDirection_~tmp___9~0#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~18#1;havoc stopRequestedInDirection_~tmp~13#1;havoc stopRequestedInDirection_~tmp___0~4#1;havoc stopRequestedInDirection_~tmp___1~3#1;havoc stopRequestedInDirection_~tmp___2~3#1;havoc stopRequestedInDirection_~tmp___3~2#1;havoc stopRequestedInDirection_~tmp___4~1#1;havoc stopRequestedInDirection_~tmp___5~0#1;havoc stopRequestedInDirection_~tmp___6~0#1;havoc stopRequestedInDirection_~tmp___7~0#1;havoc stopRequestedInDirection_~tmp___8~0#1;havoc stopRequestedInDirection_~tmp___9~0#1; 1793719#L1856-2 assume !(1 == stopRequestedInDirection_~dir#1); 1793718#L2025-2 assume !(0 == ~currentFloorID~0); 1793716#L2031-2 assume !(~currentFloorID~0 > 0); 1793714#L2046-2 assume !(~currentFloorID~0 > 0); 1793712#L2059-2 assume !(~currentFloorID~0 > 1); 1793710#L2075-2 assume ~currentFloorID~0 > 1; 1793711#L2077-2 assume 0 != stopRequestedInDirection_~respectInLiftCalls#1; 1794493#L2078-2 assume 0 != ~floorButtons_1~0;stopRequestedInDirection_~retValue_acc~18#1 := 1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~18#1; 1794474#L2178-2 timeShift_#t~ret65#1 := stopRequestedInDirection_#res#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret65#1;havoc timeShift_#t~ret65#1; 1794465#L2512-2 assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret43#1, continueInDirection_~dir#1, continueInDirection_~tmp~14#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~14#1;~currentHeading~0 := continueInDirection_~dir#1; 1790020#L2232-3 assume !(1 == ~currentHeading~0); 1790011#L2242-9 assume !(0 == ~currentFloorID~0); 1780333#L2242-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 1789988#L2248-7 assume { :end_inline_continueInDirection } true; 1789984#L2521-5 assume { :begin_inline___utac_acc__Specification2_spec__3 } true;havoc __utac_acc__Specification2_spec__3_#t~ret18#1, __utac_acc__Specification2_spec__3_#t~ret19#1, __utac_acc__Specification2_spec__3_#t~ret20#1, __utac_acc__Specification2_spec__3_#t~ret21#1, __utac_acc__Specification2_spec__3_#t~ret22#1, __utac_acc__Specification2_spec__3_#t~ret23#1, __utac_acc__Specification2_spec__3_~floor~0#1, __utac_acc__Specification2_spec__3_~tmp~9#1, __utac_acc__Specification2_spec__3_~tmp___0~2#1, __utac_acc__Specification2_spec__3_~tmp___1~1#1, __utac_acc__Specification2_spec__3_~tmp___2~1#1, __utac_acc__Specification2_spec__3_~tmp___3~0#1, __utac_acc__Specification2_spec__3_~tmp___4~0#1;havoc __utac_acc__Specification2_spec__3_~floor~0#1;havoc __utac_acc__Specification2_spec__3_~tmp~9#1;havoc __utac_acc__Specification2_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__3_~tmp___1~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___2~1#1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0#1;havoc __utac_acc__Specification2_spec__3_~tmp___4~0#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; 1789983#L1652-1 __utac_acc__Specification2_spec__3_#t~ret18#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification2_spec__3_~tmp~9#1 := __utac_acc__Specification2_spec__3_#t~ret18#1;havoc __utac_acc__Specification2_spec__3_#t~ret18#1;__utac_acc__Specification2_spec__3_~floor~0#1 := __utac_acc__Specification2_spec__3_~tmp~9#1; 1789976#L595-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0#1; 1789974#L596-1 assume 0 != ~floorButtons_spc2_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~12#1;havoc areDoorsOpen_~retValue_acc~12#1;areDoorsOpen_~retValue_acc~12#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~12#1; 1789975#L1661-5 __utac_acc__Specification2_spec__3_#t~ret19#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification2_spec__3_~tmp___4~0#1 := __utac_acc__Specification2_spec__3_#t~ret19#1;havoc __utac_acc__Specification2_spec__3_#t~ret19#1; 1789959#L600-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0#1;~floorButtons_spc2_0~0 := 0; 1789950#L655-1 assume { :end_inline___utac_acc__Specification2_spec__3 } true; 1789924#L2536-1 assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 1789921#L198-2 [2021-12-14 23:31:19,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:31:19,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1807054515, now seen corresponding path program 4 times [2021-12-14 23:31:19,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:31:19,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124685566] [2021-12-14 23:31:19,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:31:19,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:31:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:31:19,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:31:19,147 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:31:19,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124685566] [2021-12-14 23:31:19,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124685566] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:31:19,149 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:31:19,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 23:31:19,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069950091] [2021-12-14 23:31:19,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:31:19,150 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:31:19,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:31:19,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1873487691, now seen corresponding path program 1 times [2021-12-14 23:31:19,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:31:19,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509202159] [2021-12-14 23:31:19,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:31:19,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:31:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:31:19,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:31:19,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:31:19,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509202159] [2021-12-14 23:31:19,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509202159] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:31:19,176 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:31:19,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 23:31:19,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432342612] [2021-12-14 23:31:19,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:31:19,177 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:31:19,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:31:19,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 23:31:19,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 23:31:19,177 INFO L87 Difference]: Start difference. First operand 92572 states and 167374 transitions. cyclomatic complexity: 74804 Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 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) [2021-12-14 23:31:20,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:31:20,676 INFO L93 Difference]: Finished difference Result 180876 states and 325652 transitions. [2021-12-14 23:31:20,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 23:31:20,677 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 180876 states and 325652 transitions.